Portfolio · LinkedIn · LeetCode · Email
- 3+ years shipping scalable products (SaaS, dashboards, microservices)
- ICPC Asia 2023 — Top 10 · LeetCode Top 5% (300+ solved)
- Lead a team of 5 engineers building NestJS/Next.js platforms on AWS with solid DevOps
- Production AI/RAG with LangChain, LangGraph & vector databases
- Architect & deliver scalable backend systems (NestJS · Node.js/Express · PostgreSQL/MongoDB/Redis)
- Design event‑driven microservices with Docker, queues (Bull/Kafka), and observability
- Build AI assistants & RAG pipelines (LangChain/LangGraph, vector embeddings, conversational agents)
- Implement real‑time systems with WebSockets, Socket.io, and Redis pub/sub
- Design authorization systems (RBAC/ABAC with CASL, RLS, OAuth 2.0, JWT)
- Lead teams: code reviews, architecture decisions, CI/CD, hiring & mentoring
Tech Lead / Senior Backend Engineer · DeveloperTag (Dec 2024 – Present)
Leading 5 engineers · Architecting multi-tenant SaaS with RLS · Building AI chatbots & RAG pipelines · CI/CD with GitHub Actions, Docker & AWS ECS · 60% query performance improvement
Backend Engineer · DiveScale (Jun 2024 – Dec 2024)
NestJS + GraphQL APIs · OAuth 2.0 & session management · Real-time chat with WebSockets · 85%+ test coverage with Jest
Associate Software Engineer · Kwanso (Jun 2023 – Jun 2024)
Node.js/Express/NestJS services · PostgreSQL & MongoDB schemas · API documentation with Swagger · Code reviews & best practices
Full tech stack
| Category | Technologies |
|---|---|
| Languages | TypeScript, JavaScript, SQL, Python, Bash |
| Backend | NestJS, Node.js, Express.js, Fastify, Next.js API Routes |
| Databases | PostgreSQL, MongoDB, Redis, Supabase, Prisma, TypeORM, PostGIS, Pinecone |
| AI/ML | LangChain, LangGraph, OpenAI API, RAG Pipelines, Vector Databases, Prompt Engineering |
| Real‑time | WebSockets, Socket.io, Redis Pub/Sub, Bull Queues, Server‑Sent Events |
| Auth | RBAC, ABAC, CASL, Row Level Security, JWT, OAuth 2.0, Session Management |
| DevOps | Docker, AWS (EC2, ECS, S3, RDS, Lambda, CloudFront), GCP, GitHub Actions, Nginx |
| Practices | Clean Architecture, DRY, SOLID, TDD, Swagger/OpenAPI, Jest |
Private client repositories are intentionally not linked. Public case‑study write‑ups will live on the portfolio. For repo access, please reach out privately.
| Project | What it does | Stack | Access |
|---|---|---|---|
| SimplyFlow | Workflow automation engine with n8n + AI agent decision making | NestJS, PostgreSQL, n8n, LangGraph, Docker, AWS | 🔒 Internal |
| Terzo.ai | AI chatbot with RAG pipelines, semantic search & real‑time chat | NestJS, PostgreSQL, LangChain, OpenAI, Pinecone, Redis | 🔒 Internal |
| GuardXP | Enterprise security ops platform with multi‑tenant isolation & event sourcing | NestJS, PostgreSQL, CASL, Docker, AWS, Turborepo | 🔒 In Progress |
| FitnessAds.ai | AI‑powered ad generation with RAG & fitness consultation chatbot | NestJS, PostgreSQL, LangChain, LangGraph, Docker | 🔒 In Progress |
| SafeStreet | Geospatial incident reporting with proximity alerts & real‑time notifications | NestJS, PostgreSQL, PostGIS, Redis, WebSockets | 🔒 Internal |
| QuizApp Platform | Real‑time quiz competitions supporting 1000+ concurrent users | NestJS, PostgreSQL, WebSockets, Redis, Bull | 🔒 Internal |
| Learning Management System | Course management with video streaming & live classes | NestJS, PostgreSQL, WebSockets, AWS S3, CloudFront | 🔒 Internal |
| 4Corners | E‑commerce with Stripe payments, inventory locking & file uploads | NestJS, PostgreSQL, Stripe, Redis, Docker, AWS S3 | 🔒 Internal |
| AutoPostMD | Social media scheduling with queue‑based job processing | Node.js, PostgreSQL, Facebook/Instagram/LinkedIn APIs, Redis | 🔒 Internal |
- Write architecture decisions (ADRs) and run blameless post‑mortems
- Prefer automated quality gates: CI, coverage, lint, type‑safety
- Design for operability: logs, traces, dashboards, SLOs
- Communicate with RFCs and small, frequent releases
- ICPC Asia Online Preliminary 2023 – Top 10
- LeetCode Top 5% problem solver (300+ problems)
- Delivered 50+ projects for global clients
- Awarded Student of the Year (Akhuwat College)
PUCIT – Punjab University College of Information Technology · BS Computer Science (2019 – 2023)
Data Structures, Algorithms, Database Systems, Operating Systems, Computer Networks, Software Engineering
I build reliable software and mentor engineers. If you have a challenging platform problem or want to talk AI + product, reach out.
Passion + Precision = Innovation