Skip to content
RK

Rahul Kumar

Senior Software Engineer

India

๐ŸŸขAping In

Senior Software Engineer with 5 years of experience designing, architecting, and owning scalable distributed systems. Strong expertise in asynchronous APIs, event-driven architecture, fault-tolerant microservices, cloud-native platforms, and full stack development with exposure to LLM and RAG based applications.

Work Preferences

Salary

EUR 35,998

Skills

Microservices9/10
FastAPI9/10
Python9/10
AWS8/10
Docker8/10
PostgreSQL (8/10)GraphQL (7/10)Kafka (7/10)Kubernetes (7/10)LangChain (7/10)DynamoDB (7/10)Prometheus & Grafana (7/10)RAG Pipelines (7/10)Spring Boot (7/10)Java (7/10)TypeScript (7/10)Node.js (6/10)Terraform (6/10)React (6/10)Django (6/10)

Work Experience

Senior Software Engineer

GlueX Protocol

Sept 2025 โ€” Dec 2025

Led and architected a production-ready backend from scratch, enabling an invite-only alpha release within one month. Decommissioned a standalone GraphQL microservice by consolidating tokens and pools APIs, reducing DynamoDB fetch latency by up to 75%. Configured observability dashboards using Prometheus and Grafana. Owned async FastAPI services handling blockchain workloads, transaction processing, and PnL computation. Architected a scalable rewards and referral engine and a serverless RPC proxy on AWS API Gateway. Delivered secure wallet-based authentication using SIWE with nonce validation and replay attack prevention.

Software Engineer 2

Boeing India Pvt Ltd

Nov 2021 โ€” Sept 2025

Designed and developed scalable distributed microservices for the Flight Test System validating every production aircraft including Air Force One. Built a RAG based chatbot POC using LangChain. Developed async backend services with FastAPI for document retrieval and AI response orchestration. Implemented evaluation pipelines using DeepEval. Implemented circuit breakers, retry mechanisms, and fallback strategies. Delivered a common data export framework adopted by 5+ microservices. Developed a shared React form framework reducing duplicate request handling by 60%. Built shared libraries optimizing PostgreSQL queries reducing response times by up to 40%. Built a WebSocket based real-time notification system. Mentored junior engineers and led code reviews.

Software Engineer

Growth Natives

Mar 2021 โ€” Oct 2021

Developed ERP modules and internal tools including a Leave Management System using PHP, Laravel, and Frappe Framework.

Education

Chitkara University

MCA ยท Computer Applications

? โ€“ 2021

Chitkara University

BCA ยท Computer Applications

? โ€“ 2019