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Rohitash Kator

Senior Backend Engineer Β· Node.js Β· TypeScript Β· NestJS Β· Go Β· Python Β· GCP Β· AWS

Focused developer working at a multi-monitor setup

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πŸ‘¨πŸ»β€πŸ’» About Me

πŸš€ Senior Backend Engineer | 3+ Years

  • πŸ”§ Stack: Node.js, Express.js, JavaScript, TypeScript, NestJS, Go, Python, GraphQL, REST APIs
  • ☁️ Cloud: GCP (Certified ACE + PDE), AWS, Docker, Kubernetes
  • 🏦 Domains: FinTech, Influencer Marketing SaaS, AI/LLM document processing
  • πŸ€– AI Tools: GitHub Copilot (Certified), Cursor, OpenAI API, AWS Textract, Vertex AI
  • πŸŽ“ Education: B.Tech, CS&E β€” NIT Andhra Pradesh
  • πŸ“ Location: India Β· Open to remote globally

Built systems that hit 95%+ LLM extraction accuracy, eliminated 90%+ manual data entry, and reduced test-authoring time ~40% using AI tooling across distributed microservice repos.


🌟 Featured Projects

  • Employee Management API β€” Production-grade REST API in Go using Clean/Hexagonal Architecture (Gin, MongoDB). Request-ID middleware, structured logging (slog), graceful shutdown, health endpoint, request timeouts.

    Stack: Go Β· Gin Β· MongoDB Β· Clean Architecture Β· slog Β· Docker

  • Real-Time Chat Application β€” Full-stack chat platform with JWT + Google OAuth, Socket.IO WebSockets, Slack-style rooms, delivery/read receipts, typing indicators, and in-app notifications.

    Stack: NestJS Β· Angular Β· PostgreSQL Β· Socket.IO Β· TypeORM Β· Google OAuth Β· bcrypt

  • Contract Note Parser β€” LLM-powered PDF parser achieving 95%+ extraction accuracy on financial broker documents. Multi-threaded page chunking for high-volume ingestion. Eliminated 90%+ of manual back-office data entry.

    Stack: Python Β· Flask Β· AWS Textract Β· OpenAI Β· PostgreSQL

  • Poll Management System β€” Production-grade polling platform with role-based access, JWT auth, token blacklisting, dual frontends (React + Angular) on a single client-agnostic API, and full test coverage.

    Stack: Node.js Β· Express.js Β· MongoDB Β· React Β· Angular Β· JWT Β· Jest Β· Supertest

  • FamO Money β€” FinTech backend for family investment tracking across mutual funds, equities, bonds, real estate, and private deals. Real-time portfolio valuation via market data APIs.

    Stack: NestJS Β· PostgreSQL Β· TypeORM Β· TypeScript Β· Firebase

  • SSL Certificate Checker β€” Full-stack domain SSL monitoring tool with real-time certificate validity and expiration tracking.

    Stack: Node.js Β· Express Β· Next.js Β· TypeScript


πŸ›  Tech Stack

Node.js Express.js JavaScript TypeScript NestJS Go Python GraphQL React Angular Flask PostgreSQL MongoDB Redis MySQL Elasticsearch Docker Kubernetes GCP AWS Kafka RabbitMQ Prometheus Socket.IO Jest Git GitHub Copilot VS Code


πŸ† Certifications

GCP ACE GCP PDE GitHub Copilot


βš™οΈ GitHub Analytics

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Personal GitHub profile repository showcasing my skills, projects, and contributions as a Full Stack Developer. πŸš€

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