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Senior Full Stack & AI Engineer
Surat, IN - UTC+05:30
OPEN TO WORK
~30 hrs/wk

Mitul Jagad

Senior Full Stack Developer. 6+ years shipping production for SaaS and FinTech teams. Lately building AI agents and workflow automations that have to actually run, not just demo.

Resume
FOLLOW
SERVICES

Six modes I work in. All production-grade.

Every service below ships with real metrics, a written hand-off, and a 24-hour response. No demos, no PowerPoints.

AI Agents & Automation

Multi-step LangChain and LangGraph pipelines, tool-use agents, workflow automations that hold up when the input is weird and the load isn't a demo.

  • Multi-agent orchestration with LangGraph
  • Tool-use + structured output parsing
  • Human-in-the-loop checkpoints
  • Production observability + recovery

Full-Stack SaaS Applications

Product development from first commit to paying customers - Next.js, NestJS, Postgres, the whole stack.

  • Next.js 16 + React 19 + TypeScript
  • NestJS + Prisma + PostgreSQL
  • Auth, billing, RBAC, multi-tenant
  • API design + GraphQL when it fits

Performance Optimization

I read the EXPLAIN plan first. Most performance problems are solved by understanding the system, not by clever code.

  • SQL query optimization (50s → 4s wins)
  • Index design + cardinality validation
  • Caching strategy (Redis, edge)
  • Load testing + capacity planning

Auth & Security

SSO with 2FA, passkeys (WebAuthn), magic links, and RBAC - built so the team stops noticing it exists.

  • OAuth 2.0 + OIDC integrations
  • Passkeys + WebAuthn, 2FA, magic links
  • Token exchange + claims normalization across providers
  • Session propagation across multi-product suites

Architecture & Platforms

Module Federation micro-frontends, monorepo design, internal platforms that let teams deploy independently.

  • Module Federation + Single-SPA
  • Turborepo / Nx monorepos
  • Shared design systems
  • 40% faster release cadence

Cloud & DevOps

AWS, Docker, CI/CD pipelines, deploy automation. The unglamorous part - the part that decides whether you sleep through the night.

  • AWS architecture (Lambda, S3, EC2, CloudFront)
  • Docker + Docker Compose
  • GitHub Actions + Bitbucket Pipelines
  • Observability, alerts, and incident response
HOW WE WORK TOGETHER

Three engagement modes

Consult

1 week · quoted per brief

Architecture review, performance audit, AI-agent feasibility. Written report + 30-min call.

PICK THIS MODE
MOST PICKED

Build

3-6 months · quoted per scope

Embedded as senior engineer with your team. Full-stack, AI agents, performance, auth.

PICK THIS MODE

Lead

Full time · to be discussed

Senior, staff, or tech lead role at SaaS, FinTech, HealthTech, or AI-native products.

PICK THIS MODE

Working remotely with teams in USA, Canada, Australia, Dubai & UAE and UK.