# Parveen Kumar — Main website (full corpus)

Author: Parveen Kumar

## What this file is
Extended LLM-oriented export for https://www.parveenkumar.info/. This file inlines **services**, **projects**, **engagement process**, **service FAQs**, **testimonials**, and **contact** details from the main site data layer. For a short site index and URL map only, see https://www.parveenkumar.info/llms.txt.

## Canonical URLs for this property
- Main homepage: https://www.parveenkumar.info/
- Main sitemap: https://www.parveenkumar.info/sitemap.xml
- Short LLM index: https://www.parveenkumar.info/llms.txt

## Blog (https://www.parveenkumar.info/blog)
Long-form engineering posts: debugging stories, Next.js and Node.js fixes, SEO, and production lessons. Served under /blog on this domain as a separate app with its own LLM files:
- Blog homepage: https://www.parveenkumar.info/blog
- All posts: https://www.parveenkumar.info/blog/all
- Blog LLM index: https://www.parveenkumar.info/blog/llms.txt
- Blog full corpus (articles inlined): https://www.parveenkumar.info/blog/llms-full.txt
- Blog sitemap: https://www.parveenkumar.info/blog/sitemap.xml

### Posts (newest first)
- [Why I Standardize Every Node.js Project on UTC Time](https://www.parveenkumar.info/blog/the-utc-rule-i-follow-in-every-project): A production engineering story about standardizing Node.js applications on UTC to prevent timezone bugs, offset errors, and cron failures.
- [Separating Workers From My API Created a Deployment Problem](https://www.parveenkumar.info/blog/worker-architecture-deployment-problem): A production engineering story about separating background workers from the API, and the unexpected deployment challenges that arose.
- [Why I Added Graceful Shutdown to Every Node.js Project](https://www.parveenkumar.info/blog/why-i-added-graceful-shutdown-nodejs): A production engineering story about handling Node.js deployments safely using graceful shutdown, SIGTERM, and PM2 reload mechanisms.
- [Why I Added llms.txt to My Website](https://www.parveenkumar.info/blog/why-i-added-llmstxt-to-my-website): A low-cost experiment: llms.txt and llms-full.txt on my sites. What I think about AEO, GEO, and machine-readable context—without AI SEO hype.
- [Your App Is Fast on Wi-Fi. Your Users Are Not.](https://www.parveenkumar.info/blog/slow-network-testing-nextjs-debugging): Wi-Fi hid async bugs in my Next.js app. Chrome throttling exposed race conditions, stale UI, and wrong request order before users noticed.
- [Fixing Ghost API Calls in Next.js (AbortController & SWR)](https://www.parveenkumar.info/blog/fixing-ghost-api-calls-nextjs-abortcontroller-swr): Stale API responses overwrote fresh UI during fast navigation. AbortController and SWR fixed ghost requests in Next.js App Router.
- [Why I Stopped Using Axios in Next.js App Router](https://www.parveenkumar.info/blog/why-i-stopped-using-axios-nextjs-app-router): App Router pushed me from Axios to native fetch: caching, AbortController, and fewer layers in production—not a package comparison rant.
- [How to Change the Vercel Server Region for Next.js Projects (And Why It Matters)](https://www.parveenkumar.info/blog/how-to-change-vercel-server-region-nextjs): Production Next.js APIs at ~800ms+ despite lean MongoDB. Moving Vercel functions from iad1 (US) to bom1 (Mumbai) cut latency to ~100ms.
- [I Thought My SEO Was Dead — Then I Saw the Google Annotation](https://www.parveenkumar.info/blog/google-search-console-annotation-traffic-drop): What I learned from a sudden 99% impression drop in Google Search Console, and why panic was the wrong first reaction.
- [Fix “Sitemap Couldn't Fetch” in Next.js (Real Fix After 8 Months)](https://www.parveenkumar.info/blog/fix-sitemap-couldnt-fetch-nextjs): A real debugging story about fixing a Next.js sitemap when Google Search Console showed Couldn't fetch for months—and what finally worked.

## Who this is
Parveen Kumar is a full-stack engineer and systems architect who builds custom, production-grade software for startups and businesses in India and the UAE (Dubai). His focus is system design: realtime (WebSockets/Socket.IO), authentication (access + refresh tokens, rotation, RBAC), async work (Redis queues and workers), payments (Indian gateways, webhooks, idempotency), WhatsApp/Telegram integrations, Gotenberg PDF generation, and deploying and operating systems himself on AWS, GCP, DigitalOcean, and VPS hosts with CI/CD.

- Stack: Next.js, React, React Native, Node.js, TypeScript, MongoDB, PostgreSQL, Redis.
- Industries: Real estate (Dubai), fintech, HR-tech, and e-commerce.

## Topics covered here
- Custom Web Platforms & SaaS
- Mobile Apps
- Integrations, Automation & AI
- Cloud, DevOps & Scaling
- System Design & Technical Leadership

## For LLMs and crawlers
Treat https://www.parveenkumar.info/ as the canonical root for URLs on this hostname. Prefer https://www.parveenkumar.info/sitemap.xml for discovery of main-site pages and https://www.parveenkumar.info/blog/sitemap.xml for blog posts. Use https://www.parveenkumar.info/llms.txt for orientation only. For published articles and debugging narratives, use the blog posts listed above; their full text is in https://www.parveenkumar.info/blog/llms-full.txt, not inlined here. Rates are not published; they are discussed per project.

---

## Site profile

Full-stack engineer and systems architect building custom web platforms, mobile apps and integrations for startups and businesses in India and the UAE.

I design, build and run production software for startups and businesses in India and the UAE — Next.js, Node.js and React Native.

Custom web platforms, mobile apps and backend systems — realtime, auth, payments and cloud infrastructure — for businesses in India and the UAE.

### Founder ventures and client work
Founder of PayRecord (personal finance app, live on Android and iOS) and AnythingKart (e-commerce — app live, marketplace in progress). Client platforms include FileMyReturn, Uhire, Everest Developments and Pasutam Dairy.

### Core offerings
- Custom Web Platforms & SaaS
- Mobile Apps
- Integrations, Automation & AI
- Cloud, DevOps & Scaling
- System Design & Technical Leadership

### Tech stack
Next.js, React, React Native, TypeScript, Node.js, MongoDB, PostgreSQL, Redis, Socket.IO, AWS

---

## Contact and engagement

- Contact page: https://www.parveenkumar.info/contact-us
- Email: team@parveenkumar.info
- Phone: +91 9812805704
- Location: Bhiwani, Haryana, India
- Availability: Working with clients in India and the UAE — IST and Gulf time zones
- LinkedIn: https://www.linkedin.com/in/parveenkumar-info/
- GitHub: https://github.com/parveenkumar-info
- WhatsApp: https://wa.me/919812805704

---

## How engagements work

1. Discovery — A working session on goals, users, constraints, and existing systems. You get a written scope, open questions, and a clear recommendation on what to build first.
2. Architecture — Data model, service boundaries, auth, async work, and infrastructure are designed up front and shared as a short architecture document before any code is written.
3. Build — Milestone-based delivery with a staging environment from week one, regular demos, and code in your repository — not a black box handed over at the end.
4. Launch — Production deployment with CI/CD, monitoring, backups, and a rollback path. Launch is rehearsed on staging so release day is uneventful.
5. Support — Post-launch stabilisation, then an optional monthly retainer for features, upgrades, and on-call fixes. Handover docs are included either way.

Rates are not published. Work is quoted per project after a discovery call: fixed-scope builds with milestone payments, monthly retainers, or fixed-scope reviews. Start at the contact page.
- Contact: https://www.parveenkumar.info/contact-us

---

# Services

## Custom Web Platforms & SaaS

- URL: https://www.parveenkumar.info/services/custom-platforms
- Category: platforms
- Engagement: Fixed-scope build in milestones, or a monthly retainer for ongoing product work
- Typical timeline: 6–16 weeks for a first production release
- Rates: discussed per project (no public pricing)
- Related projects: https://www.parveenkumar.info/projects/uhire, https://www.parveenkumar.info/projects/file-my-return, https://www.parveenkumar.info/projects/everest-developments
- Technologies: Next.js, React, TypeScript, Node.js, PostgreSQL, MongoDB, Redis, Socket.IO
- Keywords: custom web application development, saas development, multi-tenant saas, next.js development, admin panel development, web platform developer dubai, full-stack developer india

### Description
Portals, dashboards, and multi-tenant SaaS — system-designed from day one.

Production-grade web platforms built on Next.js, Node.js, and a data model that holds up as usage grows: customer portals, internal dashboards, admin panels, and multi-tenant SaaS.

Most platforms that struggle in year two were never designed — they were accumulated. I start with the data model, tenancy, auth, and background work, and only then build screens on top of it.

The result is a platform your team can extend: typed end to end, with clear service boundaries, role-based access, audit trails, and the operational basics (queues, caching, monitoring) already in place.

### Capabilities
- Multi-tenant SaaS architecture with per-tenant data isolation
- Auth with access + refresh tokens, rotation, and role-based access control
- Admin panels and dashboards with audit logs and granular permissions
- Realtime updates over WebSockets / Socket.IO for live data and notifications
- Background jobs on Redis queues for emails, reports, imports, and PDFs
- SEO-ready public pages and fast server-rendered UI on Next.js

### Who it is for
- Startups building a first production version of a SaaS product
- Businesses replacing spreadsheets and manual workflows with an internal platform
- Real estate, fintech, HR-tech, and e-commerce teams that need a customer or partner portal
- Teams whose current app has outgrown a no-code tool or a rushed MVP

### Deliverables
- Architecture document: data model, tenancy, auth, and infrastructure
- Production web app deployed to your cloud account
- Admin panel with role-based access and audit trail
- CI/CD pipeline, staging environment, and monitoring
- Source code in your repository with handover documentation

### FAQs
- Q: How much does a custom platform cost?
  A: It depends on scope, integrations, and timeline, so rates are discussed per project. After a short discovery call you get a written proposal with scope, milestones, and a fixed quote or a monthly retainer option.
- Q: Can you build multi-tenant SaaS with separate data per customer?
  A: Yes. Tenancy is decided at the architecture stage — shared schema with tenant scoping, schema-per-tenant, or database-per-tenant — based on your compliance needs, customer size, and expected growth.
- Q: Which database do you use — PostgreSQL or MongoDB?
  A: Whichever fits the data. Relational, transactional data (billing, bookings, ledgers) usually goes to PostgreSQL; flexible documents and event-style data often suit MongoDB. Redis handles caching, sessions, and queues in both cases.
- Q: Can you take over or rebuild an existing platform?
  A: Yes. I start with a codebase and infrastructure review, then recommend either incremental fixes or a staged rebuild that keeps the current system running until the new one is ready.
- Q: Who owns the code?
  A: You do. Code lives in your repository and infrastructure runs in your cloud accounts from the start. Intellectual property transfers as agreed in the proposal once milestones are paid.

---

## Mobile Apps

- URL: https://www.parveenkumar.info/services/mobile-apps
- Category: mobile
- Engagement: Fixed-scope build through store release, with an optional monthly retainer for updates
- Typical timeline: 8–16 weeks to first store release
- Rates: discussed per project (no public pricing)
- Related projects: https://www.parveenkumar.info/projects/payrecord, https://www.parveenkumar.info/projects/pasutam-dairy-app, https://www.parveenkumar.info/projects/anythingkart
- Technologies: React Native, Expo, TypeScript, Node.js, MongoDB, PostgreSQL, Firebase Cloud Messaging
- Keywords: react native app development, mobile app developer india, mobile app developer dubai, offline-first app, ios and android app development, expo

### Description
React Native apps for iOS and Android that work offline and ship to the stores.

Cross-platform iOS and Android apps in React Native — offline-first data, push notifications, deep links, and a store release handled end to end, backed by an API designed for mobile.

A good mobile app is mostly invisible engineering: local-first data that survives bad networks, sync that resolves conflicts, push that arrives, and links that open the right screen.

I build the app and the backend it talks to, so the API, auth, and notification pipeline are designed for mobile from the start — then take the app through TestFlight, Play Console, and store review.

### Capabilities
- One React Native codebase for iOS and Android, in TypeScript
- Offline-first storage with background sync and conflict handling
- Push notifications via FCM / APNs with per-user targeting
- Deep links and universal links into specific screens
- Secure auth with refresh-token rotation and biometric unlock
- App Store and Google Play release, including review and updates

### Who it is for
- Founders launching a consumer or B2B app on both platforms
- Businesses adding a customer or field-staff app to an existing web platform
- Delivery, fintech, and commerce apps that must work on patchy networks
- Teams with an existing app that needs a stable rebuild

### Deliverables
- iOS and Android apps published under your developer accounts
- Mobile-ready API with auth, push, and sync endpoints
- Crash reporting and analytics wired in
- Release process for OTA updates and store versions
- Source code and handover documentation

### FAQs
- Q: Why React Native instead of separate native apps?
  A: One TypeScript codebase ships to both iOS and Android, which roughly halves build and maintenance effort for most business apps. Native modules are added where a feature genuinely needs platform-specific code.
- Q: Can the app work without an internet connection?
  A: Yes. Offline-first apps store data locally and sync in the background when the connection returns, with conflict handling designed around how your users actually work.
- Q: Do you handle App Store and Google Play submission?
  A: Yes — builds, store listings, review submissions, and responding to review feedback. Apps are published under your own developer accounts so you keep full ownership.
- Q: Do you also build the backend for the app?
  A: Usually, yes. Auth, push notifications, sync, and payments work best when the API is designed for mobile from the start. I can also integrate with an existing backend.
- Q: How are updates shipped after launch?
  A: JavaScript-level fixes can ship over the air without a store review; native changes go through a normal store release. Both are covered under an optional monthly retainer.

---

## Integrations, Automation & AI

- URL: https://www.parveenkumar.info/services/integrations-automation
- Category: integrations
- Engagement: Fixed-scope per integration, or bundled into a platform build or retainer
- Typical timeline: 1–6 weeks depending on the number of integrations
- Rates: discussed per project (no public pricing)
- Related projects: https://www.parveenkumar.info/projects/file-my-return, https://www.parveenkumar.info/projects/anythingkart, https://www.parveenkumar.info/projects/pasutam-dairy-app
- Technologies: Node.js, TypeScript, Redis, BullMQ, WhatsApp Business API, Telegram Bot API, Gotenberg, Socket.IO, LLM APIs, Vector search
- Keywords: whatsapp business api integration, telegram bot development, payment gateway integration india, webhook integration, gotenberg pdf generation, api integration developer, ai chatbot development, rag chatbot for business, ai agent function calling

### Description
WhatsApp, payments, PDFs, webhooks and AI assistants — wired in reliably, not bolted on.

The integrations that run a business: WhatsApp Business API and Telegram bots, Indian payment gateways, webhooks, Gotenberg-generated PDFs, CRM syncs, realtime sockets, and AI chatbots that answer from your own data — idempotent and observable.

Integrations fail in predictable ways: duplicate webhooks, timeouts, expired tokens, and partial writes. I design for those cases up front with idempotency keys, retries with backoff, and dead-letter queues.

Whether it is collecting payments, sending WhatsApp notifications, generating invoices as PDFs, or syncing a CRM, the work runs on queues and workers so a slow third party never takes your app down with it.

AI assistants are built the same way: the model calls well-defined functions to fetch live data from your system (orders, bookings, account status) with the user's permissions, and answers document questions through retrieval over your own content (RAG), citing the source it used.

### Capabilities
- WhatsApp Business API and Telegram bots for notifications, support, and workflows
- Indian payment gateways with verified webhooks, idempotency, and reconciliation
- PDF generation with Gotenberg for invoices, reports, and contracts
- CRM, ERP, and third-party API syncs with retries and reconciliation
- Realtime events over WebSockets / Socket.IO
- Redis-backed queues and workers for scheduled and long-running jobs
- AI chatbots and agents with function calling to fetch live data from your APIs
- RAG over your documents and knowledge base, with answers that cite their source

### Who it is for
- Businesses running operations over WhatsApp who need it automated and auditable
- Products adding payments, subscriptions, or payouts
- Teams generating invoices, statements, or contracts by hand
- Platforms whose integrations break silently or double-process events
- Teams that want a support or sales assistant answering from their own data

### Deliverables
- Integration design covering failure modes, retries, and idempotency
- Production integrations with signed webhook verification
- Queue and worker setup with monitoring and dead-letter handling
- Admin views or logs to trace each message, payment, and document
- Runbook for rotating credentials and replaying failed events

### FAQs
- Q: Can you automate our WhatsApp notifications and customer messages?
  A: Yes, using the official WhatsApp Business API: template messages, order and payment updates, OTPs, and two-way conversations routed into your system — with logs of every message sent.
- Q: Which payment gateways do you work with?
  A: Indian payment gateways for one-time payments, subscriptions, and payouts. Every integration verifies webhook signatures, uses idempotency keys, and reconciles against the gateway so a payment is never recorded twice or missed.
- Q: What is Gotenberg and why use it for PDFs?
  A: Gotenberg is a self-hosted service that renders HTML into pixel-accurate PDFs. It lets invoices, reports, and contracts be designed as regular web templates and generated reliably in background jobs.
- Q: What happens when a third-party API is down?
  A: Work runs through Redis queues with retries and exponential backoff. Jobs that keep failing move to a dead-letter queue and raise an alert, so nothing is silently lost and events can be replayed.
- Q: Can you build an AI chatbot that uses our own data?
  A: Yes. For live data such as orders, bookings or account status, the assistant calls functions on your API with the user's permissions instead of guessing. For documents and policies, it uses retrieval (RAG) over your content and cites the source. Both run with logging, rate limits and a fallback to a human.
- Q: Can you add integrations to a system you did not build?
  A: Yes, after a short review of the codebase. If the existing structure makes an integration fragile, you get a clear note on what needs changing first.

---

## Cloud, DevOps & Scaling

- URL: https://www.parveenkumar.info/services/cloud-devops
- Category: infrastructure
- Engagement: Fixed-scope setup or audit, with an optional monthly retainer for operations
- Typical timeline: 1–4 weeks for setup or a performance pass
- Rates: discussed per project (no public pricing)
- Related projects: https://www.parveenkumar.info/projects/uhire, https://www.parveenkumar.info/projects/payrecord, https://www.parveenkumar.info/projects/everest-developments
- Technologies: AWS, GCP, DigitalOcean, Docker, GitHub Actions, Nginx, Redis, PM2, Linux
- Keywords: devops consultant india, aws deployment, ci/cd setup, docker deployment, zero downtime deployment, website performance optimization, redis caching

### Description
Deploy it, watch it, and keep it fast under real load — on AWS, GCP, DigitalOcean, or a VPS.

Infrastructure that fits the product: AWS, GCP, DigitalOcean, or a Hostinger VPS, with Docker, CI/CD, Redis caching, monitoring, and zero-downtime deploys — plus performance work when things slow down.

Not every product needs Kubernetes. I pick the simplest infrastructure that meets your load, budget, and compliance needs — and make it reproducible, so it does not depend on one person remembering what was clicked.

Existing systems get a performance and reliability pass: slow queries, missing indexes, cache strategy, memory leaks, and deploys that take the site down. Each fix is measured before and after.

### Capabilities
- Deployments on AWS, GCP, DigitalOcean, or a VPS, sized to real load
- Dockerised services with CI/CD pipelines on GitHub Actions
- Zero-downtime deploys with health checks and one-step rollback
- Load testing and fixing the bottlenecks that show up under real traffic
- Redis caching, database indexing, and query optimisation
- Monitoring, uptime alerts, centralised logs, and automated backups
- Nginx, SSL, domains, and environment and secrets management

### Who it is for
- Teams deploying by hand over SSH and hoping nothing breaks
- Products with slow pages, timeouts, or outages when traffic spikes
- Startups preparing for a launch, a campaign, or a funding round
- Businesses moving from shared hosting to a proper cloud setup

### Deliverables
- Infrastructure setup documented and reproducible
- CI/CD pipeline with staging and production environments
- Monitoring, alerting, and backup configuration
- Performance report with before/after measurements
- Runbook for deploys, rollbacks, and incident response

### FAQs
- Q: Which cloud should we use?
  A: It depends on load, budget, team, and compliance. A single well-configured VPS is often enough early on; AWS or GCP make sense when you need managed databases, autoscaling, or specific regions. You get a recommendation with the trade-offs written down.
- Q: Can you reduce our cloud bill?
  A: Often, yes. Common savings come from right-sizing instances, caching, fixing expensive queries, and removing idle resources. Changes are measured so you can see the effect.
- Q: What does zero-downtime deployment mean in practice?
  A: New versions start alongside the old ones and only receive traffic after passing health checks. If something goes wrong, rollback is a single step and users do not see an outage.
- Q: Our app is slow. Where do you start?
  A: With measurement: response times, slow query logs, and resource usage under real traffic. Fixes are prioritised by impact — usually indexes, caching, and N+1 queries before any infrastructure change.
- Q: Do you provide ongoing operations support?
  A: Yes, through an optional monthly retainer covering monitoring, upgrades, security patches, backup checks, and incident response.

---

## System Design & Technical Leadership

- URL: https://www.parveenkumar.info/services/architecture-consulting
- Category: consulting
- Engagement: Fixed-scope review, or a monthly fractional CTO retainer
- Typical timeline: 1–2 weeks for a review; retainers run month to month
- Rates: discussed per project (no public pricing)
- Related projects: https://www.parveenkumar.info/projects/uhire, https://www.parveenkumar.info/projects/anythingkart, https://www.parveenkumar.info/projects/file-my-return
- Technologies: System design, Node.js, Next.js, React Native, PostgreSQL, MongoDB, Redis, AWS
- Keywords: system design consultant, fractional cto, cto as a service, architecture review, startup technical advisor, software architect india, software architect dubai

### Description
Architecture reviews, scaling plans, and fractional CTO support for startups.

Senior technical judgement when you need it: architecture reviews, scaling and migration plans, auth and security reviews, and fractional CTO leadership for startups without a full-time technical lead.

Early technical decisions are cheap to make and expensive to undo. A few hours of review on data model, auth, and infrastructure choices often saves months of rework later.

For startups without a CTO, I work as a fractional technical lead: owning architecture, reviewing code, hiring and guiding developers, and translating product goals into a realistic build plan.

### Capabilities
- Architecture reviews with a written report and prioritised fixes
- Scaling plans: caching, queues, read replicas, and service boundaries
- Auth and security reviews: token handling, RBAC, secrets, and OWASP risks
- Tech stack and build-vs-buy decisions for new products
- Fractional CTO: roadmap, code review, hiring, and vendor oversight
- Due-diligence reviews of codebases before acquisition or investment

### Who it is for
- Founders without a technical co-founder or CTO
- Teams about to rebuild, re-platform, or scale for a launch
- Investors or buyers who need an independent codebase review
- Agencies and in-house teams that want a second opinion on a design

### Deliverables
- Architecture or security review report with prioritised actions
- System diagrams and a written scaling or migration plan
- Technical roadmap aligned with product milestones
- Code review and hiring support for your development team
- Regular check-ins with clear decisions recorded

### FAQs
- Q: What does an architecture review include?
  A: A review of the codebase, data model, auth, infrastructure, and deployment process, followed by a written report with risks ranked by impact and a concrete, prioritised plan to address them.
- Q: What is a fractional CTO?
  A: Senior technical leadership on a part-time basis: owning architecture decisions, the technical roadmap, code review, and hiring, without the cost of a full-time executive hire.
- Q: Do you write code as part of consulting?
  A: Reviews and fractional CTO work focus on decisions, design, and guidance. Hands-on implementation can be added as a separate engagement or included in the retainer when agreed.
- Q: Can you review our authentication and security setup?
  A: Yes — token storage and rotation, session handling, role-based access, secrets management, and common OWASP risks, with specific fixes rather than a generic checklist.
- Q: Do you work with teams outside India?
  A: Yes. Most work is with startups and businesses in India and the UAE (Dubai), with overlapping working hours across both time zones.

---

# Featured projects

## AnythingKart

- URL: https://www.parveenkumar.info/projects/anythingkart
- Ownership: founder venture
- Status: ongoing
- Dates: May 2026 - Ongoing
- Credit: Parveen Kumar — Founder
- Timeline: May 2026 — Ongoing
- Type: E-commerce Platform
- Categories: Web, Mobile, E-commerce, Product
- Technologies: Next.js, React Native, TypeScript, E-commerce
- Tags: E-commerce, Founder, Marketplace, Live
- Meta description: AnythingKart: a multi-category e-commerce marketplace founded and engineered by Parveen Kumar. Customer app live; web marketplace in development.
- Keywords: AnythingKart, e-commerce marketplace, shopping app, online shopping

### Summary
My founder venture: a multi-category e-commerce marketplace. The customer app is live and seller onboarding works; the full marketplace launch is in progress.

- Live site: https://www.anythingkart.com/
- Google Play: https://play.google.com/store/apps/details?id=com.anythingkart.customer
- App Store: https://apps.apple.com/in/app/anythingkart/id6806652877

### Key features
1. Customer app live on Google Play and App Store
2. Curated multi-category catalog
3. Seller registration and product listing
4. Courier and shipment tracking integration (in progress)
5. Web marketplace launching

### Detail
AnythingKart is a company I founded: a large-scale, multi-category e-commerce platform. The customer app is live on Google Play and the App Store. Seller registration and product listing are working; courier integration for shipping and tracking is being finalised ahead of the full marketplace launch at anythingkart.com.

Role: founder, and product and engineering lead.

---

## FileMyReturn

- URL: https://www.parveenkumar.info/projects/file-my-return
- Ownership: client delivery (FileMyReturn)
- Status: ongoing
- Dates: March 2024 - Present
- Client: FileMyReturn
- Timeline: March 2024 — Present
- Type: Web Application
- Categories: Web, Full Stack, Backend, Fintech
- Technologies: Next.js, Node.js, Express.js, MongoDB, TypeScript, AWS
- Tags: Fintech, Tax Filing, Security, High Load
- Meta description: FileMyReturn case study: a tax filing platform for a licensed e-Return Intermediary, built on Next.js and Node.js for ITR-deadline peak load in India.
- Keywords: tax filing India, Next.js tax software, online tax filing platform, FileMyReturn

### Summary
Tax filing platform for a licensed e-Return Intermediary (ERIP001268). Next.js and Node.js, serving thousands of users daily with peak load at India's ITR deadlines.

- Live site: https://www.filemyreturn.co.in

### Key features
1. Secure document upload and management
2. Automated tax calculations and validations
3. Admin panel with audit tracking and notifications
4. Mobile-first responsive design
5. Status tracking and user alerts
6. Multi-user support for CA firms
7. Integration with government APIs

### Detail
FileMyReturn is an income tax filing platform operated by a licensed e-Return Intermediary (ERIP001268). It serves thousands of users daily, with traffic concentrated around India's ITR filing deadlines.

I built the platform with Next.js on the front end, a Node.js/Express API, and a React admin panel — covering the user dashboard, secure document management, tax computation and validation, notifications, and admin oversight for individuals and CA firms.

---

## Uhire

- URL: https://www.parveenkumar.info/projects/uhire
- Ownership: client delivery (Uhire)
- Status: ongoing
- Dates: November 2025 - Ongoing
- Credit: Reshav Anthal — Director & Founder
- Timeline: November 2025 — Ongoing
- Type: Recruitment Platform
- Categories: Web, Full Stack, SaaS, HR-Tech
- Technologies: Next.js, TypeScript, Node.js, AI
- Tags: HR-Tech, SaaS, AI, HRMS
- Meta description: Uhire case study: an AI-assisted hiring platform with a candidate portal, recruiter HRMS and task system, engineered by Parveen Kumar since November 2025.
- Keywords: Uhire, tech recruitment, hiring portal, HRMS, AI recruitment

### Summary
AI-assisted hiring platform for Uhire — candidate portal, recruiter HRMS, task system and internal hiring workflows.

- Live site: https://www.uhire.tech/

### Key features
1. Candidate registration and job applications
2. Recruiter admin and HRMS workflows
3. Task system for hiring operations
4. AI-assisted matching and requisitions
5. Internal recruiter process tooling

### Detail
Uhire (uhire.tech) is a Noida-based hiring company founded by Reshav Anthal (Director & Founder). I work across the full stack on their recruitment product — candidate login and applications, the admin HRMS, a task system, and the internal tools recruiters use day to day.

The engagement started in November 2025 and is ongoing; the platform is focused on faster tech hiring and operational clarity for their team.

---

## PayRecord

- URL: https://www.parveenkumar.info/projects/payrecord
- Ownership: founder venture
- Status: ongoing
- Dates: March 2026 - Ongoing
- Credit: Parveen Kumar — Founder
- Timeline: March 2026 — Ongoing
- Type: Mobile Application
- Categories: Mobile, Product, Fintech
- Technologies: React Native, TypeScript, Android, iOS
- Tags: Fintech, React Native, Founder, Live
- Meta description: PayRecord case study: an offline-first income and expense tracker for Android and iOS, founded and built by Parveen Kumar with React Native.
- Keywords: PayRecord, expense tracker, React Native app, offline finance app

### Summary
My own product: an offline-first income and expense tracker for Android and iOS, built for fast entry and private-by-default data.

- Live site: https://payrecord.parveenkumar.info/
- Google Play: https://play.google.com/store/apps/details?id=com.parveenkumar.payrecord
- App Store: https://apps.apple.com/app/payrecord/id6763618716

### Key features
1. Offline-first Android and iOS apps
2. Fast income and expense entry
3. Clear balance and ledger views
4. Privacy-first — data stays on device
5. Live on Google Play and App Store

### Detail
PayRecord is a product I founded and build myself: personal finance on mobile with React Native. I own product direction and engineering end to end — quick ledger entry, readable totals, and a privacy-first design that keeps personal finance data on the device.

The marketing site at payrecord.parveenkumar.info presents the app; Android and iOS builds are live on their stores.

---

## Pasutam Dairy

- URL: https://www.parveenkumar.info/projects/pasutam-dairy-app
- Ownership: client delivery (Pasutam Farm)
- Status: ongoing
- Dates: April 2026 - Ongoing
- Credit: Hanuman Rahar — Founder
- Timeline: April 2026 — Ongoing
- Type: Mobile Application
- Categories: Mobile, E-commerce
- Technologies: React Native, TypeScript, Android, iOS
- Tags: Delivery, E-commerce, React Native, Live
- Meta description: Pasutam Dairy case study: a React Native delivery app for Android and iOS with slot scheduling, order tracking and UPI checkout, built by Parveen Kumar.
- Keywords: Pasutam Dairy, dairy delivery app, React Native, milk delivery

### Summary
Consumer dairy delivery app for Pasutam Farm — catalog, delivery scheduling, order tracking and UPI checkout on Android and iOS.

- Live site: https://dairy.pasutam.com/
- Google Play: https://play.google.com/store/apps/details?id=com.pasutam.dairy
- App Store: https://apps.apple.com/app/pasutam-dairy/id6763309759

### Key features
1. Farm-fresh dairy catalog and checkout
2. Delivery scheduling and order tracking
3. Saved addresses and UPI payments
4. In-app legal and policy documents
5. Live on Google Play and App Store

### Detail
Pasutam Dairy (dairy.pasutam.com) is the mobile app for Pasutam Farm's delivery brand, founded by Hanuman Rahar. I built the React Native apps for Android and iOS; both are live on their stores.

The app covers catalog, delivery slots, order tracking, saved addresses, UPI payments and in-app policies — alongside the separate Pasutam Farm storefront.

---

# Portfolio projects

## Everest Developments

- URL: https://www.parveenkumar.info/projects/everest-developments
- Ownership: client delivery (Everest Developments)
- Status: completed
- Dates: May 2025
- Client: Everest Developments
- Timeline: April 2025 — May 2025
- Type: Corporate Website
- Categories: Web, Frontend, Real Estate
- Technologies: Next.js, Node.js, Express.js, Tailwind CSS
- Tags: Real Estate, Construction, B2B, Lead Generation
- Meta description: Everest Developments case study: a Next.js corporate platform for a construction and precast concrete company, with product catalog and lead capture.
- Keywords: precast concrete, construction website, Next.js corporate site, Everest Developments

### Summary
Corporate platform for Everest Developments, a construction and precast concrete company — product catalog, project showcase and lead capture.

- Live site: https://www.everestdevelopments.in/

### Key features
1. Responsive corporate site with SEO foundations
2. Enquiry handling with integrated contact forms
3. Product catalog with specifications
4. Project gallery and case studies
5. Lead capture across key pages

### Detail
Everest Developments manufactures precast concrete products for construction. Their site presents engineering capability, product categories and completed projects, and turns visitors into qualified enquiries.

I built it on Next.js with a Node.js/Express back end for enquiries, delivered together with a technical partner, Scrym Solution.

---

## Zafari Travel App

- URL: https://www.parveenkumar.info/projects/zafari-travel-app
- Ownership: client delivery (Zafari Travel)
- Status: ongoing
- Dates: March 2024 - Ongoing
- Client: Zafari Travel
- Timeline: March 2024 — Ongoing
- Type: Mobile Application
- Categories: Mobile, Full Stack, Backend
- Technologies: React Native, Node.js, Express.js, MongoDB, TypeScript
- Tags: Travel, Mobile App, Booking
- Meta description: Zafari case study: a React Native travel booking app with itinerary planning and push notifications, on an Express and TypeScript API with an admin panel.
- Keywords: travel booking app, itinerary planner, React Native travel, cross-platform booking

### Summary
Cross-platform travel booking app with itinerary planning, booking management and push notifications, backed by a TypeScript API and admin panel.


### Key features
1. Cross-platform mobile support (iOS/Android)
2. Itinerary builder with map integration
3. Multilingual support and recommendations
4. Integration with hotel and transport APIs
5. Push notifications and booking updates
6. Offline access to travel documents

### Detail
Zafari is a cross-platform mobile app for planning and booking trips. Users explore destinations, build itineraries and manage reservations, with notifications for booking updates.

I built the React Native app, an Express + TypeScript back end, and a React admin panel for the operations team.

---

## TravelGram Tour Packages

- URL: https://www.parveenkumar.info/projects/travelgram-tour-platform
- Ownership: client delivery (TravelGram)
- Status: completed
- Dates: June 2024 - August 2024
- Client: TravelGram
- Timeline: June 2024 — August 2024
- Type: Travel Marketplace
- Categories: Web, Full Stack, Backend, E-commerce
- Technologies: Next.js, React, Node.js, Express.js, MongoDB
- Tags: Travel, Marketplace, Payments
- Meta description: TravelGram case study: a tour package marketplace on Next.js and Node.js with vendor management, seasonal pricing logic and online booking and payments.
- Keywords: tour packages, travel marketplace, online tour booking, Next.js marketplace

### Summary
Tour package marketplace with destination listings, vendor management, seasonal pricing logic, online payments and verified reviews.

- Live site: https://travelsgram.com

### Key features
1. Tour package search with category filters
2. Online booking and payment integration
3. User ratings and reviews
4. Vendor management dashboard
5. Seasonal pricing rules and offers
6. Multi-language support

### Detail
TravelGram connects travellers with curated tour packages. It includes destination guides, user reviews, vendor listings, and booking with online payment.

The back end handles inventory, vendor onboarding and seasonal pricing rules; the front end is built for fast browsing and a clean payment flow.

---

## Engineering Blog

- URL: https://www.parveenkumar.info/projects/parveenkumar-blog
- Ownership: own product
- Status: ongoing
- Dates: 2023 - Ongoing
- Timeline: 2023 — Ongoing
- Type: Content Platform
- Categories: Web, Content, Product
- Technologies: Next.js, MDX, TypeScript
- Tags: Blog, Engineering, Next.js
- Meta description: Parveen Kumar's engineering blog: production notes, Next.js fixes and deployment lessons, run as an independent Next.js app served under /blog.
- Keywords: Parveen Kumar blog, Next.js blog, engineering blog, production notes

### Summary
My engineering blog — production notes, Next.js fixes and deployment lessons, run as its own Next.js app under /blog.

- Live site: https://www.parveenkumar.info/blog

### Key features
1. Featured and categorized technical posts
2. Real debugging and production write-ups
3. Search across posts
4. Independent Next.js app served under /blog

### Detail
The blog at parveenkumar.info/blog is where I write up production problems and how I solved them. It is its own Next.js app with MDX content, served under /blog on this domain through Next.js multi-zones.

Posts cover graceful shutdown, App Router pitfalls, sitemaps, and deployment lessons.

---

## Arpana Enterprises

- URL: https://www.parveenkumar.info/projects/arpana-enterprises
- Ownership: client delivery (Arpana Enterprises)
- Status: completed
- Dates: May 2025
- Client: Arpana Enterprises
- Timeline: May 2025 — May 2025
- Type: Business Website
- Categories: Web, Frontend
- Technologies: Next.js, Tailwind CSS
- Tags: Security, Local Business, Services
- Meta description: Arpana Enterprises case study: a fast Next.js website for a CCTV and surveillance provider in Bhiwani, built for mobile performance and local search.
- Keywords: CCTV services Bhiwani, surveillance solutions, Next.js business website

### Summary
Business website for a CCTV and surveillance provider in Bhiwani, Haryana — fast on mobile, built for local search and enquiries.

- Live site: https://www.arpanaenterprises.com/

### Key features
1. Clear service highlights
2. Optimised for mobile and low bandwidth
3. Quick contact and enquiry forms
4. Local SEO
5. Service area information

### Detail
Arpana Enterprises provides CCTV and surveillance systems for homes and businesses in Bhiwani, Haryana. The site presents their services, service area and contact options.

Built with Next.js and optimised for fast loading on mobile and low-bandwidth connections.

---

## Pasutam Farm Storefront

- URL: https://www.parveenkumar.info/projects/pasutam-farm
- Ownership: client delivery (Pasutam Farm)
- Status: maintenance
- Dates: April 2022 - May 2022
- Client: Pasutam Farm
- Timeline: April 2022 — May 2022
- Type: E-commerce Website
- Categories: Web, E-commerce
- Technologies: WordPress, WooCommerce, PHP
- Tags: E-commerce, Organic, WooCommerce
- Meta description: Pasutam Farm case study: a WooCommerce storefront for organic ghee, honey and farm products, built so the team can manage their own catalog and content.
- Keywords: organic ecommerce, farm products online, cow ghee, WooCommerce store

### Summary
WooCommerce storefront for Pasutam Farm's organic products — ghee, honey and farm-sourced items — built for easy in-house updates.

- Live site: https://pasutam.com/

### Key features
1. Product catalog for organic and dairy items
2. Story-led layout
3. Self-managed WordPress CMS
4. Order and enquiry features
5. SEO and performance foundations

### Detail
Pasutam Farm sells organic products including cow ghee, buffalo ghee, honey and herbs. Their storefront connects rural producers with customers in cities.

I built it on WordPress and WooCommerce so the team can manage products and stories themselves. It was an early project that I still maintain; Pasutam Farm later engaged me for the Pasutam Dairy mobile app.

---

## Testimonials

## Chaitnya Rai Garg — FileMyReturn

- Role: Co-Founder, FileMyReturn
- Date: March 2024
- Related project: https://www.parveenkumar.info/projects/file-my-return

> Parveen's deep expertise in Next.js and Node.js enabled us to build a high-performance tax filing platform that seamlessly serves thousands of users daily. His attention to detail and ability to solve complex problems were crucial to our success.

---

## Peter Hergens (PHED) — Zafari Travel

- Role: Founder, Zafari Travel
- Date: August 2024
- Related project: https://www.parveenkumar.info/projects/zafari-travel-app

> Parveen built a robust booking system that transformed our operations and significantly improved our conversion rates. His technical guidance and collaborative approach made the entire process smooth and efficient.

---

## Amit Singh — TravelGram

- Role: Founder, TravelGram
- Date: July 2024
- Related project: https://www.parveenkumar.info/projects/travelgram-tour-platform

> Thanks to Parveen, our tour package platform has scaled rapidly. The intuitive user interface and solid backend infrastructure he delivered have received tremendous feedback from both users and our internal team.

---

## Deepak Jakhal — Arpana Enterprises

- Role: Founder, Arpana Enterprises
- Date: June 2025
- Related project: https://www.parveenkumar.info/projects/arpana-enterprises

> Parveen delivered a modern and clean website for our CCTV business. It's fast, mobile-friendly, and has improved our lead generation significantly.

---

## Hanuman Rahar — Pasutam Farm

- Role: Founder, Pasutam Farm
- Date: June 2022
- Related project: https://www.parveenkumar.info/projects/pasutam-farm

> From a simple idea to a functional online store, Parveen helped us launch Pasutam Farm and bring our organic ghee and honey products to digital customers.

---

## About subpages (not inlined)
- About: https://www.parveenkumar.info/about
- Journey timeline: https://www.parveenkumar.info/about/journey