Headline

Backend Engineer | Node.js | TypeScript | Python | AWS | Sustainability Economics, BIZense | NIT Calicut

About

Backend Engineer with 3+ years of experience building and optimizing production APIs, microservices, and data pipelines using Node.js, TypeScript, FastAPI, Docker, and AWS. I’ve led architecture improvements that reduced code complexity by 40%, cut debugging time by 25%, and delivered 25-30% cost and performance gains. I focus on clean architecture, maintainable systems, and practical engineering impact.

Location

Bengaluru

AI stack

claude code

claude

codex

Work experience

Software Development Engineer at Sustainability Economics.ai, Sep 2024 - Nov 2025 · 1 yr 3 mos, Bengaluru, Re-architected a production FastAPI application using Layered Architecture, reducing code complexity by 40% and debugging time by 25%. Designed and maintained RESTful APIs across Node.js and FastAPI, and containerized services with Docker to improve deployment consistency.

Software Product Engineer at BIZense, Jun 2022 - Aug 2024 · 2 yrs 3 mos, Bengaluru, Led backend development for Terragon Marketing Cloud in Node.js, contributing to a 25% increase in user engagement. Optimized Snowflake queries to reduce cloud costs by 25%, and built an AI-powered chatbot using the OpenAI API that earned a company innovation award

Education

Bachelor of Technology - BTech, Electronics and communication engineering, NIT calicut

Public links

github: https://github.com/Arjunmk06