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About me

Engineering with
intent.

I'm a full-stack software engineer with 5 years of hands-on experience designing and shipping production systems — from greenfield SaaS platforms to complex enterprise migrations. My work sits at the intersection of engineering excellence and product thinking. I don't just build features; I architect outcomes.

Over the last 5 years, I've worked across the full stack — from crafting pixel-perfect React interfaces to designing distributed backend systems on AWS. I've shipped products used by tens of thousands of users, led architecture reviews, and mentored engineers to write better, more maintainable code. My philosophy is simple: write code that your future self will respect, design systems that scale without drama, and always ship with intent.

Kolkata, West Bengal, India
5+ years experience
Kishor Sarkar

2

Certifications

Philosophy

How I think about engineering.

Clean code is non-negotiable

I write code that my team can read, review, and maintain without a decoder ring. Naming matters. Structure matters. Documentation matters.

Design before you build

Every decision I make starts with understanding the system boundary. I draw before I code. This saves weeks.

Speed without quality is debt

Fast shipping is a virtue. Shipping broken things is not. I move fast within quality guardrails — not around them.

Ship to users, not to repos

Code that's not deployed is theory. I prioritize getting things to production safely and iterating from real feedback.

Career

Where I've worked.

Senior Frontend Engineer

Inadev India

Apr 2024 — Present
Kolkata, IN · Full-time

Leading frontend and backend engineering across AI model training and mortgage platforms, delivering annotation workflows, data quality systems, and micro-frontend architectures.

  • Built annotation workflow interfaces and BullMQ-backed validation pipelines that reduced invalid data entering AI training pipelines by ~30%.
  • Engineered data quality systems using Survey JS, React, Node.js, and PostgreSQL — enabling reliable benchmarking at scale across structured annotation tasks.
  • Architected a micro-frontend system for admin, broker, and customer portals — reducing deployment time by 40% and enabling independent team releases.
  • Led WebSocket integration and Lighthouse-driven performance audits, improving real-time loan status visibility and reducing page load times across the mortgage portal.

Frontend Engineer

Inadev India

2022 — 2023
Kolkata, IN · Full-time

Built the operational admin portal for Dealyards from scratch, centralizing business workflows and replacing fragmented manual reporting with live real-time data.

  • Developed the full admin portal from the ground up using Angular, Node.js, and Socket.io.
  • Replaced manual, fragmented reporting with a real-time data dashboard, streamlining core business operations.
  • Implemented live Socket.io event streams for instant operational visibility across the platform.

Associate Software Engineer

Inadev India

Aug 2021 — 2022
Kolkata, IN · Full-time

Developed a centralized fraud detection platform for IACC, consolidating counterfeit and duplicate listing investigations across multiple e-commerce marketplaces.

  • Built the fraud detection platform using Angular and Node.js with cron-based scrapers targeting multiple e-commerce marketplaces.
  • Optimized frontend architecture for performance and scalability — enabling the platform to handle growing data volumes without workflow degradation.

Stack

Tools I work with.

Frontend

React 18Next.js 14TypeScriptTailwind CSSFramer MotionZustandReact Query

Backend

Node.jsExpress.jsFastifyREST APIsGraphQLPostgreSQLMongoDBRedis

Cloud & DevOps

AWS (EC2, S3, Lambda, RDS)VercelDockerGitHub ActionsNginxPM2

Tools & Practices

GitFigmaStorybookJestDockerPrismaDrizzle ORMZod

AI Engineering & Automation

Prompt EngineeringAI Workflow DesignAgentic AI SystemsLLM IntegrationOpenAI APIRAG (Retrieval-Augmented Generation)Vector DatabasesAI AutomationMCP (Model Context Protocol)Function Calling & Tool UseWorkflow OrchestrationMulti-Agent Systems

Want to build something together?

I'm available for full-time roles, freelance projects, and technical consulting. Let's talk.