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What I'm working on now
Yasowant Nayak is a Full Stack Software Engineer in Bangalore, India, who recently wrapped up three-plus years at SPM Global Technologies and is running Esscentra Prep in production. Yasowant Nayak is available for remote freelance and contract work with clients in India, the UK, the US and Europe.
Building
- Wrapped up three-plus years at SPM Global Technologies (Aug 2023 – Oct 2026), where I led a multi-tenant SaaS platform serving 8+ enterprise organisations — now open to new full-stack roles and freelance work.
Running Esscentra Prep in production at prep.esscentra.in — an AI interview and exam preparation planner built and deployed end-to-end.
Esscentra Prep case study- SmaartQRReact.jsTypeScript
Maintaining SmaartQR, an emergency-response platform with 50,000+ registered users.
SmaartQR case study
Availability
- Open to remote freelance and contract work worldwide — India, the UK, the US, Europe, Canada, Australia, the UAE and Singapore.
- Working hours are IST (UTC+5:30), overlapping with UK and European hours and with US mornings.
- Enquiries go to yasowant1998@gmail.com and usually get a reply within a day.
Learning
- Event-driven architecture with Apache Kafka — consumer groups, partitioning and rebalance behaviour under real load.
- Access control models beyond RBAC: ABAC, PBAC and ReBAC for multi-tenant systems.
- Answer-engine optimisation: structured data, extractable content and how retrieval systems actually pick sources.
Latest article
Building RAG with Node.js & TypeScript: A Production GuideHow Retrieval-Augmented Generation stops LLMs from hallucinating about your data — chunking, embeddings with pgvector, hybrid search, grounded prompts, streaming and a production checklist.Read it Inspired by Derek Sivers' /now page convention.