Parveen Kumar
Service 05 / 05

System Design & Technical Leadership

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

What's included

  • 01

    Architecture reviews with a written report and prioritised fixes

  • 02

    Scaling plans: caching, queues, read replicas, and service boundaries

  • 03

    Auth and security reviews: token handling, RBAC, secrets, and OWASP risks

  • 04

    Tech stack and build-vs-buy decisions for new products

  • 05

    Fractional CTO: roadmap, code review, hiring, and vendor oversight

  • 06

    Due-diligence reviews of codebases before acquisition or investment

Fit

Who it's 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

What you get

  • 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

Process

How we work

  1. Step 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. Step 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. Step 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. Step 4

    Launch

    Production deployment with CI/CD, monitoring, backups, and a rollback path. Launch is rehearsed on staging so release day is uneventful.

  5. Step 5

    Support

    Post-launch stabilisation, then an optional monthly retainer for features, upgrades, and on-call fixes. Handover docs are included either way.

Proof

Related work

FAQ

Common questions

Something else? Ask directly.

What does an architecture review include?

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.

What is a fractional CTO?

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.

Do you write code as part of consulting?

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.

Can you review our authentication and security setup?

Yes — token storage and rotation, session handling, role-based access, secrets management, and common OWASP risks, with specific fixes rather than a generic checklist.

Do you work with teams outside India?

Yes. Most work is with startups and businesses in India and the UAE (Dubai), with overlapping working hours across both time zones.

Also available

Other services

Have something to build?

Tell me what you are building and where it is stuck. You will get a straight answer on approach, timeline, and whether I am the right fit — rates are discussed once the scope is clear.

India · UAE (Dubai) · remote-friendly