Open to opportunities

Sarthak Bhatele

@sarthakbhatele

Full-Stack & AI engineer shipping production web apps with RAG pipelines, LLM integrations, and scalable event-driven backends.

India

Message

What I'm looking for

I’m looking for a team where I can own end-to-end delivery for Next.js/Node systems—especially RAG + LLM features—while building scalable, event-driven backends with strong production reliability and growth.

I’m a Full-Stack & AI engineer specializing in Next.js, focused on shipping production-grade web apps with RAG pipelines, LLM integrations, and event-driven backends that scale. As a Backend Developer Intern at Techcarrel LLP, I reduced video processing latency by 80% by replacing sequential uploads with a batch processing architecture using Inngest background jobs and Server-Sent Events (SSE).

I also bring strong platform-building experience from my freelance work: I architected bilingual production SPAs with Stripe Checkout, engineered idempotent webhook signatures, and built stateless hybrid cart mechanisms to eliminate duplicate orders and client tampering. On the project side, I design end-to-end async RAG workflows (Gemini embeddings + pgvector + Groq) with streaming ATS-optimized resume output, automate job discovery using Tavily fan-out scoring, and build AI-driven interview and outreach systems—plus an AI music generator with a Python inference backend on Modal and asset storage on AWS S3.

Experience

Work history, roles, and key accomplishments

Current

Freelance Full-Stack Developer

Current

MDFLD Ecom

Dec 2025 - Present (7 months)

Developed a type-safe Next.js full-stack sportswear retail application using 14 Mongoose models and delivered a real-time admin panel across 12 management surfaces. Implemented server-side verified promotional coupon systems, automated inventory auto-deductions, and transactional PDF invoices using pdfkit and Brevo SMTP.

Next.js Mongoose Coupon Validation PDFKit

Current

Freelance Full-Stack Developer

Current

Re•otSyneidesis

Dec 2025 - Present (7 months)

Architected a bilingual production-grade SPA with React 19, Redux Toolkit, Node.js, and MongoDB, integrating a dual-mode Stripe Checkout flow. Engineered idempotent webhook signatures and a stateless hybrid cart mechanism that eliminated duplicate orders and prevented client-side tampering.

Next.js React 19 Redux toolkit MongoDB Webhook Idempotency Stateless Cart Design

Backend Developer Intern

Techcarrel LLP

Sep 2025 - Dec 2025 (3 months)

Reduced video processing latency by 80% (10 to 2 minutes) for 10-minute videos by replacing sequential uploads with an Inngest batch architecture using Server-Sent Events (SSE). Integrated OAuth 2.0 multi-cloud APIs (Google Drive, Dropbox, OneDrive) with automated token refreshing and built 50+ REST API endpoints with JWT authentication for complex video workflows.

Inngest Server Sent Events (SSE)Batch Processing REST APIs JWT Video Processing OAuth