Nishant Kumar

Software Developer · Backend Systems & AI Applications

Bengaluru, Karnataka, India

@nishant_kumar

LinkedIn GitHub

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About

IIT Bombay graduate and software developer building production Node.js microservices, caching systems, and event-driven pipelines. Experienced in backend performance, cloud deployments, and AI-integrated applications.

Experience

Software Developer

Faclon Labs

Feb 2026 – Present
Freelance AI Trainer

Outlier.ai

Jul 2025 – Feb 2026

Education

B.Tech. in Energy Engineering + M.Tech. in Energy Systems Engineering

Indian Institute of Technology Bombay

Energy Engineering / Energy Systems Engineering

Skills

<3 months

Java React CI/CD C/C++ Python Django Docker Vitest Node.js Fastify LangChain LangGraph Express.js JavaScript TypeScript Linux/Unix MQTT protocol Google Cloud Run API Integration Understanding

Tools / apps / platforms

<3 months

Git MySQL Redis Vercel MongoDB Postman Firestore PostgreSQL Apache Kafka

Projects

Lift Off Solutions

TypeScript, React, Node.js, Fastify, Firebase, Python, LangGraph

Built a multi-tenant AI customer-service platform with six roles, 32 granular permissions, API-enforced tenant isolation, and 84 automated tests. Developed a Python RAG engine with five retrieval tiers that selects direct-context, keyword, or vector search per corpus, avoiding embeddings for small document sets. Designed cloud deployment across Vercel (React), Google Cloud Run (Node.js API), Firebase Auth/Firestore, and a separate external RAG service.
Twitter Clone

Spring Boot, React.js, PostgreSQL, Spring Security

Built a full-stack social platform with tweet creation, timelines, and follower relationships using Spring Boot and React.js, with JWT authentication and role-based authorization.
EdTech Platform

MongoDB, Express.js, React.js, Node.js, Firebase

Developed a MERN education platform with Firebase OTP authentication, role-based dashboards, and a dynamic timetable supporting real-time schedule and class-allocation updates.

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