Backend Engineer with 5.5+ years of experience designing and building scalable backend systems across SaaS, ERP, CRM, HealthTech, Social Platforms, AI Assistants, and high-performance 2D/3D rendering APIs — from early POC to production platforms.
I work across the full backend lifecycle: system design, API development, database optimization, cloud infrastructure, and AI integration.
Experienced in rapidly understanding complex domains and delivering reliable backend solutions in production environments.
Tech Stack:
Node.js, NestJS, Express.js, TypeScript, Java, Spring Boot, Hibernate, MySQL, PostgreSQL, MongoDB, MariaDB, Redis, Elasticsearch, pgvector, Prisma, Sequelize, Docker, AWS (S3/SES), DigitalOcean, OpenAI API, Gemini AI, WebSocket, BullMQ, Twilio, Square, In-app purchase (Play Market, App Store), JWT, Jest, ApcoPay, Zod, Yup, Threekit, ngrok
What I bring to a team:
Experience in Agile teams of 5–17 developers
Strict code review culture
Cross-domain adaptability: HealthCare compliance, payment integrations, real-time systems, AI-powered features
