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rohittcodes

Rohith Singh

@rohittcodes

I build production grade AI agents, RAG systems and SaaS products that scale

India
English, Hindi
About me
Need an AI system or SaaS product built for real users? I build production-grade RAG pipelines, multi-agent workflows, full-stack MVPs, and intelligent dashboards that scale. Recent work includes a sub-200ms RAG system, a multi-agent Web3 platform supporting 5,000+ concurrent users, CRM APIs processing 15,000+ requests daily at 99.5% uptime, and React apps improved from 43 to 100 Lighthouse scores. Stack: TypeScript, Next.js, Python, FastAPI, PostgreSQL/pgvector, Redis, Docker. Message before ordering so we can define the right scope and build exactly what you need.... Read more

Skills

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rohittcodes
Rohith Singh
Offline • 

See my services

AI Websites & Software
I will build your ai powered saas mvp from idea to launch
From$500 / projectMore details
AI Integrations
I will build a custom ai agent to automate your business workflow
From$500 / projectMore details

Portfolio

Work experience

Product Engineer | AI Architect Engineer

createxp • Full-time

Oct 2025 - Present • 9 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%