Backend & Distributed Systems Engineer with 7+ years of experience building scalable, performance-focused Java backend systems in payments and regulated domains.

I specialize in:

• distributed backend systems & APIs
• concurrency, multithreading & throughput optimization
• production debugging & reliability engineering
• component ownership and collaboration across teams

Worldline — Application Developer (Germany)

• Own reporting module in a production payment platform
• Delivered multithreaded batch processing (~2–3× faster throughput)
• Designed Java backend components and resolved production issues
• Led code reviews and contributed to Innovation Lab PoCs

Amazon Lab126 — Software Development Engineer

• Built distributed rule-engine event processing prototype
• Focus on performance, scalability and correctness under load

FlightScanner — Microservices Architecture Demo
Containerised backend simulating a flight-search platform
Design patterns • REST APIs • concurrency • scalability trade-offs
https://github.com/nikhilbchilwant/FlightScanner

Java • OOP • DSA • Multithreading • REST APIs
PostgreSQL • Oracle SQL • JUnit • Code Reviews • Agile
Docker / Kubernetes / AWS (working knowledge)

Open to roles in backend, distributed systems, and platform engineering.