Full-Stack SaaS Developer

I build scalable MVPs & SaaS products for startups

From idea to production — fast, reliable, and built to scale. I help founders launch products with clean backend systems, real-time features, and architecture that won't break as you grow.

What clients hire for

MVP delivery, API architecture, scaling plans

How I work

Weekly shipping, clean code, clear decisions

Stack confidence

Next.js, PostgreSQL, Redis, queues, real-time

Services

Built for founders and early teams who need progress, not overhead. I focus on outcomes: shipping fast and setting strong foundations.

From idea validation to a usable first release with onboarding, core workflows, and analytics-ready architecture.

  • Full-stack implementation with clean handoff
  • Auth, billing, core dashboards
  • Deployment + tracking setup

Not sure which package fits? I will suggest the smallest path to value first.

Discuss your project

Project Work

Case studies focused on business-critical outcomes: reliability, speed, and user experience under real usage.

4 showcased builds

Capabilities

Engineering Capabilities

Tooling matters, but decision quality matters more. These are the areas I use to ship practical, maintainable products.

Backend Systems

  • API design & versioning
  • Authentication & RBAC
  • Concurrency & atomic operations
  • Webhook handling & retries

Data & Reliability

  • PostgreSQL schema design
  • Transactions & constraints
  • Query optimization basics
  • Multi-tenant architecture

Product Infrastructure

  • Billing & usage systems
  • Workflow & state design
  • Failure handling & edge cases
  • Third-party integrations

Frontend

  • Next.js & React
  • Component architecture
  • Server actions & data flow
  • Responsive UI

Perspective

About

I’m a full-stack developer focused on building SaaS products and backend systems that actually hold up in real-world use — not just in ideal conditions.

My strongest work is in SaaS products, backend-heavy systems, and workflows where reliability matters. I design for edge cases early: duplicate events, race conditions, retries, and partial failure states.

Even at an early stage, I apply a senior engineering lens: clarify the trade-offs, keep architecture simple, and avoid shortcuts that become expensive later.

If you're building a product and need someone who can think through both features and failure cases, I’d be happy to help.

Notes

Writing and Insights

Thought process is part of the product. I publish practical notes on architecture and delivery decisions from real builds.

Architecture

Why I Moved from Next.js API Routes to a Dedicated Node.js Backend

Lessons from building Petrol Partner and why separating backend improved scalability.

Read insight
System Design

Designing Backend Systems That Survive Concurrency & Failures

Handling retries, race conditions, and inconsistent states in real systems.

Read insight
Payments

Designing Payment Systems That Don't Break

How to handle retries, crashes, and race conditions in payments.

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Concurrency

Preventing Double Booking in Real Systems

A deep dive into race conditions and safe booking systems.

Read insight

Contact

Ready to build your next product with confidence?

If you are shipping an MVP, fixing unstable backend flows, or preparing to scale, I can help as your full-stack delivery partner.

Typical response: within 24 hours

© 2026 Jatin Awankar