ABHISHEK VISHWAKARMA

Mumbai, India +91 8108643242
Professional Summary
Projects

ReWear – Pre-Loved Fashion Marketplace  |  Live: rewear-dusky.vercel.app

  • Delivered end-to-end AI integration with a hybrid architecture — text messages routed to Groq (LLaMA 3.1) for 14,400 req/day free-tier capacity, image uploads routed to Google Gemini for vision-based resale price estimation with Cloudinary image input; engineered fault-tolerant 3-key rotation and 2-model fallback chain per provider for production-grade quota resilience across both APIs.
  • Built a production-grade real-time MERN + Socket.io application with role-based route protection across 2 roles (Admin, User) — single User account supporting both buying and selling — with bidirectional chat and Cloudinary media uploads via upload_stream pipeline.
  • Architected an in-chat price negotiation engine with structured offer/counter-offer/decline flows (2-round limit) persisted across 5 message types using atomic MongoDB operations — eliminating inconsistent transaction states.
  • Integrated Razorpay with HMAC server-side signature verification guarding 2 checkout flows (standard + negotiated price) against race conditions; implemented CI pipelines using GitHub Actions and integrated platform-native CD via Vercel and Render — achieving zero hard-refresh failures in production.
  • Implemented a 5-status listing lifecycle (pending → approved → rejected → sold → inactive) with admin moderation as a content trust layer; secured Socket.io connections via JWT handshake middleware — rejecting unauthenticated connections before room entry.

Job Portal – Full-Stack MERN Application  |  Live: jobportal-frontend-ten.vercel.app

  • Architected a scalable Job Portal (MERN) with RBAC across 2 roles (Recruiter, Job Seeker) — 15+ RESTful APIs on MVC architecture covering job posting, applications, and user workflows with JWT-based authentication and protected routes.
  • Built secure backend services with dynamic job filtering across multiple parameters and complete application lifecycle management, following REST principles and clean separation of concerns.
  • Integrated Cloudinary for cloud-based resume storage with Multer validation and error handling; delivered a performance-optimized React frontend with code-splitting, dynamic routing, and a fully responsive UI.
  • Tested and validated 15+ APIs using Postman ensuring reliable request/response handling and robust error handling across both user roles; configured automated build validation and deployment workflows on Vercel ensuring production stability through environment-based configuration.
Technical Skills

Languages: JavaScript (ES6+), TypeScript (learning), Python, HTML5, CSS3, Java (Basics)

Frameworks & Libraries: React.js (v18), Node.js, Express.js, Socket.io, Tailwind CSS, Axios, Multer, Mongoose ODM

AI & APIs: Google Gemini API, Groq API (LLaMA 3.1), multi-turn conversational AI, REST API design, Postman (API testing & documentation)

Databases: MongoDB (atomic operations, aggregation pipelines, indexing), SQL (Basics)

Cloud & DevOps: AWS, Docker, Vercel, Render, Netlify, Cloudinary, CI/CD (GitHub Actions)

Payments & Security: Razorpay, HMAC Signature Verification, JWT, Bcrypt, RBAC, Cybersecurity Fundamentals

Methodologies: Agile, Scrum, MVC Architecture, code reviews, SDLC

Key Concepts: Real-time applications (WebSockets), race condition prevention, code splitting (Lazy Load + Suspense), SPA routing, state modeling

Certifications

J.P. Morgan – Software Engineering Job Simulation  |  AWS – Solutions Architecture Job Simulation

Deloitte Australia – Data Analytics Job Simulation  |  Walmart USA – Advanced Software Engineering Job Simulation

DataCom – Cybersecurity Fundamentals  |  Docker – Containerization & Deployment  |  Certificates: tinyurl.com/abhi-certificates

Education

Bachelor of Science in Information Technology (BSc IT)  —  L.S. Raheja College, University of Mumbai  |  2026

Higher Secondary Certificate (HSC)  —  Durga Devi Saraf Junior College  |  2020

Download Resume