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SaurabhJain708/README.md

Hi, I'm Saurabh Jain πŸ‘‹

Full-Stack AI Engineer | RAG & Infrastructure Architect

Founding Engineer at Buildway.ai β€’ Open Source Contributor β€’ DevOps Enthusiast

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πŸš€ About Me

I am a high-impact Full Stack Engineer specializing in bridging traditional backend systems (PostgreSQL, Redis) with cutting-edge AI tooling (MCP, Vercel AI SDK).

Currently, I am a Founding Engineer at Buildway.ai, where I act as a solo lead on high-stakes billing and analytics systems. I thrive in high-velocity environments, shipping zero-downtime migrations and optimizing RAG pipelines for production.


πŸ› οΈ Tech Stack

Domain Technologies
AI & RAG Vercel AI SDK, MCP, LangChain, Vector DBs, Puppeteer, RAG Optimization
Frontend Next.js 14+, React, TypeScript, Tailwind CSS, Shadcn UI, Recharts
Backend Node.js, tRPC, PostgreSQL (Neon), Redis, Better Auth, NextAuth, Zod
DevOps Docker, Kubernetes, AWS, GitHub Actions (CI/CD), E2B Sandboxing

πŸ’Ό Featured Work

Founding Engineer @ Buildway.ai (Oct 2025 - Present)

Acting as solo lead on billing, AI infrastructure, and RAG optimization.

  • RAG Optimization: Improved citation accuracy by 90% and data retrieval by 70% via complex vector DB logic and post-hoc processing.
  • Zero-Downtime Migration: Executed a critical live production migration from NextAuth to Better Auth with 0% downtime and zero data loss.
  • AI Infrastructure: Engineered multi-agent systems with Dynamic Chain of Thought and Web Search tools using Model Context Protocol (MCP).
  • Security: Refactored tRPC infra for zip-bomb protection and implemented E2B sandboxing.

🌟 Open Source Contributions

I believe in high-velocity engineering and contributing back to the ecosystem.

πŸ† TwentyCRM (Top 4% Contributor)

  • Merged 8+ PRs in a single month working alongside core senior devs.
  • Implemented complex frontend logic for the new calendar-based Kanban feature.

πŸ€– GPT Engineer (Feature Sprint)

  • Integrated Morph AI into the codebase in a 16-hour sprint.
  • Enabled "Cursor-style" in-place editing, replacing full-file rewrites with diff-based editing (60% accuracy boost).

πŸ“ Formbricks

  • Integrated Vitest for type-safe unit testing and resolved critical UI formatting bugs.

πŸ—οΈ Projects

Stack Vault | SaaS Portfolio Builder

  • Architecture: Multi-tenant SaaS with custom domain support via Next.js Middleware.
  • AI Integration: Built an AI Assistant to automate user support and portfolio creation.
  • DevOps: Robust CI/CD pipelines via GitHub Actions for automated linting, testing, and builds.

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  1. Importer-panel Importer-panel Public

    TypeScript 2

  2. WhatsInsta WhatsInsta Public

    TypeScript 1

  3. formbricks formbricks Public

    Forked from formbricks/formbricks

    Open Source Qualtrics Alternative

    TypeScript