r
rohittcodes

Rohith Singh

@rohittcodes

I build AI chatbots and AI agents trained on your data, production, not demos

India
English, Hindi
About me
I build AI chatbots and agents that answer from your own data, with citations you can check, a review step before anything irreversible happens, and code you own. Recent work: a medical AI assistant that verifies every citation before the user sees it; a production RAG pipeline answering in under 200ms; a multi-agent platform serving 5,000+ concurrent users. Not sure yet? My 3-day proof-of-concept gig runs your real documents through a working chatbot before you commit to a full build. If your data isn't a good fit, I'll say so instead of taking the order.... Read more

Skills

r
rohittcodes
Rohith Singh
Offline • 

See my services

AI Chatbot Development
I will build a whatsapp chatbot with chatgpt, trained on your data
From$125 / projectMore details
Automations & Agents
I will build custom ai agent, ai automation, n8n workflow
From$200 / projectMore details

Portfolio

Work experience

Product Engineer | AI Architect Engineer

createxp • Full-time

Oct 2025 - Present • 11 mos

• Designed and deployed a production RAG pipeline using FastAPI, PostgreSQL/pgvector, Redis, and Sentence Transformers (intfloat/e5-base-v2) for semantic document retrieval and AI-powered recommendations. • Built LLM-based intent extraction layer using Gemini Flash 3 to convert natural language queries into structured retrieval context, enabling streaming API responses with sub-200ms latency. • Implemented multi-signal ranking system combining vector similarity, spec matching, and contextual scoring, packaged as Dockerized microservice with webhook support, authentication, and structured logging.

Software Development Engineer

Grit Labs • Full-time

Jul 2025 - Oct 2025 • 3 mos

• Architected and deployed fam.cool, a multi-agent Web3 chat platform serving 5K+ users with real-time messaging, AI-powered conversations, and blockchain integration using Next.js, PostgreSQL, Redis, and RabbitMQ • Migrated legacy React application to Next.js improving Core Web Vitals from 43 to 100, reducing bundle size by 45% and implementing Docker containerization for DigitalOcean deployment with tarball optimization

Full Stack Developer

createxp • Full-time

May 2025 - Jul 2025 • 2 mos

• Engineered high-performance CRM APIs processing 15K+ requests/day using Node.js, TypeScript, and PostgreSQL with 99.5% uptime and sub-100ms response times • Implemented vector search capabilities with pgvector enabling semantic document retrieval and AI-powered client matching, increasing conversion rates by 25%