Experience
Five years building AI systems, fintech infrastructure, and high-traffic backends across EdTech, Fintech, and AI-SaaS.
- Jul 2025 — Present
Software Engineer
- Engineered the core wallet infrastructure for Priyo Pay — a USD account platform letting Bangladeshi freelancers receive global payments — on Formance Ledger, Stripe, Noah & Privy.
- Built a multi-currency cross-border payment module accepting cards, bank transfers, digital wallets & UPI with encryption and audit logging.
- Developed the backend for an AI-powered hiring platform (Django + PostgreSQL) handling 5,000+ applications and 30+ enterprise clients.
- Built an autonomous Facebook agent that analyzes engagement patterns and auto-publishes contextual posts.
- Manage multi-service deployment on GCP with Docker, health checks & monitoring.
PythonDjangoPostgreSQLStripeFormanceGCPNext.js - Dec 2025 — Mar 2026
Software Consultant (Contract)
- Built DocuSense — a PDF RAG pipeline with contextual chunking, dense & hybrid retrieval, and in-document result highlighting for source attribution.
- Built NOVA, an AI workflow builder: improved graph traversal, built Google/arXiv/Telegram connectors, and an agentic loop that self-verifies & auto-corrects.
- Led end-to-end SOC 2 compliance across the product stack — audit logging, access controls, policy enforcement.
- Managed Kubernetes deployment infra and executed a service-wide migration to PostgreSQL.
PythonRAGKubernetesPostgreSQLLangChainSOC 2 - Jul 2024 — Sep 2025
Software Engineer L2 — Backend Lead
- Led backend in a 5-person team — Node.js microservices on AWS (EC2, RDS, Docker, API Gateway) serving 100,000+ users with high availability.
- Built an autonomous browser agent (Puppeteer) for community management and a sales-bot pipeline scoring 200+ daily calls.
- Developed a context-aware RAG chatbot grounded in national curriculum textbooks and 10+ years of exam data.
- Scaled WebSocket infra & notifications for 8,000+ concurrent users with Redis/ElastiCache pub/sub.
- Orchestrated migration from serverless to containerized AWS infra, cutting cost while improving performance.
Node.jsAWSRedisDockerRAGWebSocket - Jul 2024 — Sep 2024
Software Engineer
- Implemented payment gateway integrations (Stripe / SSLCommerz), real-time WebSocket notifications, and video streaming infra for an EdTech platform serving 5,000+ users.
Node.jsStripeWebSocket - Jan 2022 — Jun 2022
Software Development Intern
- Contributed to backend of a health-tech ticketing platform using Node.js & PostgreSQL, focusing on API and query optimization.
Node.jsPostgreSQL
Nov 2023 — PresentCo-founder & Backend Developer
- Co-founded a practice-focused online exam platform helping students prepare for competitive exams.
- Built the backend with Firebase Auth, MongoDB + Mongoose, and deployed on Render.
FirebaseMongoDBMongooseRender
Educator & mentor
Alongside engineering, I teach — physics to higher-secondary students, and programming to 1,300+ undergrads at BUET.
Teaching physics to thousands of higher-secondary students preparing for university admission across one of Bangladesh's largest coaching networks.
Taught physics to higher-secondary students, building clear, intuition-first explanations of core concepts.
750+ studentsC / C++ Instructor
Taught C and C++ to fresh undergraduates — which sharpened my own command of the languages as much as theirs.
550+ studentsC++ / OOP Instructor
Taught C++ and Object-Oriented Programming. I learn best by teaching — explaining OOP made me far more confident in it.
Technical skills
Languages
Backend
Frontend
AI / ML
Databases
DevOps
Real-time