Projects – Sumit Vairagar

spring-ai-agent-utils: Mock Tests & Accurate Tool Descriptions (PR #92)

Contributed fixes to the official Spring AI community library — replacing live-network tests with deterministic offline mocks, and correcting a tool description that caused LLMs to hallucinate file capabilities.

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Atomic: Stage Label in TUI Chat Input (PR #3013)

Contributed a visual distinction feature to Atomic — an open-source AI coding agent runtime — showing which subagent stage is active directly in the terminal UI input areas.

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Hivemind: Fix Stale BM25 References in Docs (PR #350)

Merged contribution to Hivemind — a YC-backed AI memory layer — correcting stale technical documentation that described a removed lexical search implementation.

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Managed AI Chatbot Service

Built a self-hosted managed AI chatbot service for small businesses, with pilot deployments for a dental clinic and a church.

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AI Research Agent Workshop

Designed and delivered a hands-on AI agent workshop for engineering teams, built with 13 progressive git commits and a full speaker script.

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Event-Driven Customer Onboarding System

Architected a mission-critical event-driven system for seamless customer onboarding with resilient distributed transactions using Kafka and the SAGA pattern.

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Payment Gateway Integration — Springer Nature

Integrated multiple microservices with Razorpay for a robust payment processing system at Springer Nature.

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Route Search Performance Optimization — Lava Labs

Redesigned a route search system reducing response time from 30s to 2s — a 15x performance improvement.

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