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.
Latika s. earns an estimated $8.5k/mo. That's 5.9× the typical freelancer and more than 99.82% of everyone we track.