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starving-array/README.md

Hi there πŸ‘‹

I'm Archishman Das


Senior Backend Engineer

(Distributed Systems, Scalable APIs, Cloud-Native Platforms)
Building high-scale backend systems with Java, Spring Boot, Redis, Kafka, Kubernetes, and CI/CD
🌍 Based in New Delhi, India


πŸš€ What I Do

  • Architect and optimize scalable backend systems serving 10M+ users
  • Build production-grade APIs and microservices with strong focus on performance, reliability, and clean service boundaries
  • Design high-concurrency workflows using Redis locking, Kafka-driven async flows, and resilient backend patterns
  • Improve system efficiency through query tuning, caching, observability, and CI/CD automation
  • Solve real production problems with measurable impact, not just features

πŸ“Œ Recent Impact

  • Built a high-concurrency booking engine handling 1000+ concurrent requests with 100% slot allocation accuracy
  • Engineered a Redis-backed locking layer to eliminate double-booking in critical transactional flows
  • Reduced API latency by 40% and lowered database read load by ~70%
  • Improved system reliability by 25% with fault-tolerant recovery mechanisms
  • Scaled backend infrastructure for 10M+ users
  • Delivered 80+ production-grade REST APIs
  • Modernized monolithic architecture into microservices, improving DB performance by 35%
  • Strengthened access control using Keycloak RBAC across complex user flows

πŸ› οΈ Tech Stack

Languages & Backend: Java (8/11/17), SQL, JavaScript, Spring Boot, Hibernate, JPA
Architecture: Microservices, Distributed Systems, REST APIs, System Design
Infra & Messaging: Redis, Kafka, Docker, Kubernetes, AWS, GCP
DevOps & Quality: Jenkins, SonarQube, CI/CD, JUnit, Mockito, Prometheus, Grafana


πŸ‘¨πŸ»β€πŸ’» Projects

Pinned Projects: E-Commerce REST API, Blog API, Bus Reservation System, Virtual McDonald, To-Do App

I’m especially interested in building systems that are fast, observable, resilient, and easy to evolve.


⚑ Interests

Distributed Systems Β· System Design Β· Performance Engineering Β· Cloud-Native Architecture Β· Generative AI


🌐 Connect:

LinkedIn

πŸ“Š GitHub Stats:


✍️ Dev Quote


Pinned Loading

  1. seed-ops-lite seed-ops-lite Public

    SafeSeedOps Lite β€” Enterprise synthetic relational data generator. Multi-agent LLM pipeline with schema designer, topological planner, and PK-first generation. Built with FastAPI, React, AMD Develo…

    Python

  2. finpilot-ai finpilot-ai Public

    Python

  3. HotspotHunters-ai HotspotHunters-ai Public

    Java

  4. Lets-Split-App Lets-Split-App Public

    HTML

  5. pulse-26 pulse-26 Public

    GenAI tournament operations and stadium gate telemetry analysis engine for the FIFA World Cup 2026, built with Google AI Studio and Antigravity.

    TypeScript

  6. Student-Course-App Student-Course-App Public

    Student-Database spring security implementation

    Java 1