Engineer
Intelligent
Infrastructure
Bridging the gap between robust backend systems and agentic AI workflows. Specializing in RAG optimization and zero-downtime engineering.
In my own words
Who I Am
Blog
Building RAG Systems That Scale
How we improved citation accuracy by 90% and retrieval by 70% using vector DB logic, post-hoc processing, and Redis-backed MCP pagination in production.
Zero-Downtime Auth Migrations
A step-by-step account of migrating a live production app from NextAuth to Better Auth with zero downtime and zero data loss.
tRPC Security & E2B Sandboxing
Refactored tRPC infrastructure with zip-bomb protection and E2B sandboxing. Implemented Redis-backed pagination for MCP that boosted client agent accuracy by 90%.
Shipping Billing & AI Analytics in Under 3 Weeks
Solo-led billing infrastructure and a full AI chat system with dynamic interactive charts. Built with Vercel AI SDK and Recharts for a production SaaS client.
Building RAG Systems That Scale
How we improved citation accuracy by 90% and retrieval by 70% using vector DB logic, post-hoc processing, and Redis-backed MCP pagination in production.
Zero-Downtime Auth Migrations
A step-by-step account of migrating a live production app from NextAuth to Better Auth with zero downtime and zero data loss.
tRPC Security & E2B Sandboxing
Refactored tRPC infrastructure with zip-bomb protection and E2B sandboxing. Implemented Redis-backed pagination for MCP that boosted client agent accuracy by 90%.
Shipping Billing & AI Analytics in Under 3 Weeks
Solo-led billing infrastructure and a full AI chat system with dynamic interactive charts. Built with Vercel AI SDK and Recharts for a production SaaS client.
Open Source
Impact.
Global contributor rank on Twenty CRM. Architecting tools used by the modern developer ecosystem.
TwentyCRM
Merged 8+ PRs in a single month, working alongside core senior developers on high-priority tickets and received direct mentorship. Contributed a significant portion to the new calendar-based Kanban feature, implementing complex frontend logic and interactions.
Formbricks
Contributed API permission fixes, keyboard accessibility improvements, Vitest setup for the types package, and type-safety refinements for the audit logging wrapper.
KRAG
Built KRAG, a serverless RAG agent that turns PDFs and URLs into intelligent, citation-aware chat. Designed for secure, real-time ingestion and scalable retrieval.
Stack
Technical Domains
AI & RAG
Frontend
Backend
DevOps & Tools
Deployment History
TIMELINE // PRODUCTION_LOGS
Founding Engineer (Contract)
Buildway.ai
AI Infrastructure & RAG Optimization
Engineered a multi-agent system with Dynamic Chain of Thought and Web Search tools using MCP. Improved RAG citation accuracy by 90% and data retrieval by 70% via complex vector DB logic and post-hoc processing.
Solo Lead (Billing & AI)
Built complex billing infrastructure and shipped a full AI chat system with dynamic interactive charts (Vercel AI SDK, Recharts) in <2.5 weeks. Debugged critical production 'ghost migrations' with 100% reliability.
Critical Zero-Downtime Migration
Executed a high-stakes migration from NextAuth to Better Auth for a live production app, resulting in 0% downtime and zero data loss.
Advanced Security & Infrastructure
Refactored tRPC infra for security (zip-bomb protection, E2B sandboxing). Implemented 100% secure Redis-backed pagination for MCP, boosting client agent accuracy by 90%.
High-Velocity Engineering
Contributed to 3 production projects from Day 1 (zero onboarding). Parsed complex Austrian legal APIs (big data seeding, complex joins) and reduced launch times by optimizing DB load and caching.
Full-Stack Developer
Freelance Client
Secure Containerized Web Application
Delivered a secure, containerized (Docker) web application using Next.js and MongoDB.
Reusable Component Library
Built a reusable UI component library and containerized the app to reduce deployment friction and ensure environment consistency.
Professional
Endorsements.
Recommendations from colleagues and leaders in the industry.
Dev Dalia
Senior Software Engineer at Buildway.ai
Saurabh is a powerhouse engineer. I supervised him on our most critical infrastructure sprints, and he operated with the autonomy and precision of a senior from Day 1. In his very first week, he exec...
Suhotra Dey
Senior Software Engineer at Buildway.ai
I've worked with many engineers, but Saurabh stands out for his speed and technical depth. He joined our team and immediately took ownership of our most critical infrastructure. He successfully migra...
Pradip Chaudhary
Product lead at Buildway.ai
I can't recommend Saurabh highly enough. I went on leave for a few weeks and handed him the keys to a critical sprint involving a live billing system refactor and a new AI analytics suite. Saurabh di...
Live Products
Production-grade builds and architectures.
StackVault
High-performance SaaS Portfolio builder with multi-tenant routing, AI support agents, and enterprise-grade middleware. Serving 50+ active users with custom subdomains.
Product Demo
KRAG
World's first serverless RAG platform. Build intelligent knowledge bases from PDFs and web URLs with real-time chat and citation support. Built on Modal for scalable, cost-effective processing.
Initialize
Contact.
Currently reviewing opportunities for Founding Engineer & AI Infrastructure roles.