abhishek gautam

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🚀 Full Stack Developer (MERN) with 3+ years of experience building production-grade fintech and healthtech platforms independently — from architecture decisions through live release.

💻 What I Do: • Architect microservices backends with Node.js, Express & TypeScript • Build micro-frontend applications using Vite Module Federation • Design multi-tenant MongoDB systems with strict data isolation • Integrate LLMs & AI APIs (OpenAI GPT-4) into production microservices • Deploy cloud-native solutions on AWS (EC2, S3, Lambda, ElastiCache, KMS, CloudFront) • Secure financial data using AWS KMS field-level encryption & JWT + RBAC • Build and maintain CI/CD pipelines via GitHub Actions across dev/staging/prod

🛠️ Tech Stack: Frontend: React.js, Next.js, TypeScript, Micro Frontends (Module Federation), Material UI Backend: Node.js, Express.js, GraphQL, REST APIs, WebSockets, JWT, RBAC Database: MongoDB, PostgreSQL, Redis (AWS ElastiCache) Cloud & DevOps: AWS, Docker, Nginx, GitHub Actions, CI/CD AI & Scripting: Python, FastAPI, OpenAI API, LLM Integration Security: AWS KMS, Aadhaar & PAN APIs (Singzy), E-signature APIs

🎯 Recent Wins: ✓ Reduced new tenant provisioning from 2–3 days to under 4 hours (multi-tenant MongoDB) ✓ Cut monthly AWS cloud spend by 15–20% via infrastructure audit & right-sizing ✓ Automated KYC onboarding (Aadhaar & PAN) — eliminated 24–48 hr manual process ✓ Built GPT-4 powered customer support microservice reused across 3 fintech products ✓ Improved API response times by ~200ms via MongoDB indexing & Redis caching ✓ Reduced new engineer onboarding time by ~50% via architecture documentation

📩 Open to: • Full Stack / Backend-heavy roles • Fintech, SaaS & Healthcare product teams • Remote & pan-India opportunities

👉 Let's talk: DM me on LinkedIn 🌐 Portfolio: abhishekgautam.vercel.app 🐙 GitHub: github.com/abhishekgautam08