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AK

Amit Kumar Gupta

Open to work0 years experience

Full Stack Engineer

RemoteTarget Roles: Backend Engineer • Full-Stack Developer • Frontend Specialist

Full Stack Engineer specializing in React, Node.js, and scalable system architecture.

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Standing Rank

Rank Not Available

Developer Badges

Badges Pending

Skills & Technologies

39 skills
react.jsnext.jsreact nativetypescriptjavascripttailwindcsszustandredux toolkitreact querynode.jsexpress.jsnestjsrest apiswebsocketskafkaprisma ormpostgresqlmongodbredismysqltimescaledbverceldockerawsgithub actionsturborepokubernetesprometheusgrafananginxjestcypressvitestk6c++javarustsqlpython

GitHub Activity Evidence

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Work Experience

Full Stack Engineer

Milanam

Sep 2025 - Present
  • One of 4 founding engineers on a two-sided hyperlocal service marketplace - owned the full-stack architecture end-to-end across a Turborepo monorepo (React, TypeScript, Node.js), driving all framework selection, data modelling, and infrastructure decisions from day one.
  • Designed and shipped a production PostgreSQL schema (10+ models, composite indexes, soft deletes, encrypted PII via deterministic HMAC) with a type-safe generic BaseRepository over Prisma ORM – migrated from MongoDB, cutting average query response time by 45% and eliminating boilerplate by 60% across 5+ domain services.
  • Built the complete authentication system : JWT with refresh token rotation, SHA-256-hashed token storage, Redis-backed revocation list, and replay-attack detection - secured 100% of endpoints with zero post-launch security incidents; integrated NextAuth for seamless OAuth on the frontend.
  • Architected private S3 file storage with presigned URL generation for associate Aadhar card uploads and proof-of-work media – ensured no direct bucket exposure, integrated upload flow end-to-end from React frontend (Axios + React Query + Zustand) through the Node.js API to S3.
  • Configured CI/CD pipelines (GitHub Actions + Docker) and containerized all services – reduced manual deployment steps by 70% and enabled zero-downtime automated releases for a fully remote team.

Projects

Crypto Exchange – Real-Time Trading Engine

View Project
Next.jsTypeScriptRedisTimescaleDB
  • Developed a high-frequency trading platform in Next.js + TypeScript featuring a live order book, price charts, and trade history – WebSocket-powered real-time UI with sub-50ms updates.
  • Engineered the matching engine with Redis Pub/Sub sustaining 10K+ orders/sec and TimescaleDB for hybrid real-time and historical analytics, boosting kline query performance by 40%.

MoneyTxn – P2P Digital Wallet Platform

View Project
TurborepoNext.jsExpress.jsPostgreSQLPrisma ORMBullMQ
  • Constructed a Turborepo monorepo (user, merchant, webhook services) with Next.js, Express.js, PostgreSQL, Prisma ORM – ACID-compliant P2P transfers with row-level locking, HMAC-SHA256 signing, and BullMQ async reconciliation; stress-tested at 5,000+ concurrent transactions with zero data inconsistency.

TriggerHub – Distributed Workflow Automation

View Project
Next.jsNode.jsKafkaPostgreSQL
  • Orchestrated an event-driven automation engine in Next.js, Node.js, Kafka, PostgreSQL – Transactional Outbox Pattern with partition-aware Kafka messaging for at-least-once delivery at 100K+ events/day; cut manual workflow execution by 60%.

Leaderboard Standings

Leaderboard Position Pending

Global test scores, peer standing percentiles, and algorithm leaderboard ranks are updated dynamically.

Assessment Highlights

Assessments Not Completed

Coding evaluations, system assessment results, and conceptual score badges will appear here after taking a test.

AI Collaboration Score

AI Collaboration Score Pending

Developer coding behavior, assistant cooperation, and AI pair-programming indicators are evaluated during live coding sessions.

Role Compatibility Profile

Role Compatibility Analysis Pending

Custom matching reports, candidate role compatibility percentiles, and core engineer strength profiles are processed once conceptual code screenings are complete.

Achievements

Contentstack Certified Developer

Contentstack Certified Developer – Headless CMS architecture, content modelling, and API-driven content delivery.

Contentstack Hackathon

Presented an API-integrated application competing among developers nationwide.

Solved 450+ DSA problems

Solved 450+ DSA problems on LeetCode and Codeforces – strong algorithms, data structures, and systems fundamentals.

About Details

Professional Bio

Full Stack Engineer with expertise in React, TypeScript, Node.js, and PostgreSQL. Experienced in building scalable architectures, CI/CD pipelines, and high-performance systems. Passionate about clean code, system design, and solving complex algorithmic challenges.

Bachelor of Technology in Production Engineering

National Institute of Technology Calicut (2021 - 2025)

Languages: English, Hindi
Email: Locked