hammad2004
Core Backend Developer
3rd year CS student working at the intersection of AI systems, cloud native networks, and backend engineering. Currently an AI Systems Associate at DFX and an LFX Mentee contributing to Magma Core (Linux Foundation). Experienced in building production grade APIs, AI pipelines, and decentralized systems using LangChain, AWS Bedrock, and Ethereum smart contracts.
Experiece: 6 months
Yearly salary: $70,000
Hourly rate: $25
Nationality: 🇮🇳 India
Residency: 🇮🇳 India
Experience
Core Backend Developer Intern
TheGroomsta 2025 - 2026
Led backend development for a production grooming platform, delivering 25+ REST endpoints, 7 feature modules, and 10 database models in Node.js, TypeScript, and PostgreSQL, integrating Razorpay payments with webhook verification, partial payments, and an ACID-compliant wallet system. Implemented enterprise-grade authentication including passwordless OTP with bcrypt, JWT rotation, Redis session caching with PostgreSQL failover, 3-tier RBAC, and OWASP-aligned rate limiting, alongside a BullMQ notification engine with automated payout and membership cron jobs.
Skills
ai
aws
backend
blockchain
c-plus-plus
cloud-engineer
docker
ethereum
full-stack
git
java
javascript
kubernetes
linux
machine-learning
postgres
python
solana
solidity
sql
web-designer
web3
english
hindi