Latika s.

I help founders and product teams ship SaaS and AI-powered web apps without expensive rework later. I’m Latika Singh, a senior full-stack engineer with 18+ years of experience building and scaling web products. Core stack: React and TypeScript Python APIs and backend systems AWS cloud infrastructure PostgreSQL and MongoDB Docker, Kubernetes, and CI/CD I focus on shipping usable products quickly while keeping systems stable enough to scale. What I Build SaaS MVPs from wireframe to launch AI assistants and chat workflows inside products RAG pipelines over private docs or databases Workflow automation and content classification systems Python REST APIs with auth, monitoring, and rate limits AWS infrastructure and deployment pipelines Legacy codebase stabilization with tests and refactors AI Delivery I build production-ready AI features using OpenAI and LangChain. My work includes: Evaluation pipelines against test prompts Token usage and cost monitoring Content filtering and rate limiting Retrieval pipelines with latency targets Structured prompts and response validation Recent work includes AI assistants embedded into SaaS products, RAG search over private data, and systems designed for higher traffic growth. How I Work Clear scope and success criteria Milestone-based delivery with weekly demos Incremental releases for early user testing Clean Git history and maintainable code Final walkthrough and handover documentation Available for projects or retainers with flexible IST overlap for US and EU teams.