AI & Full-Stack Engineer β I build the hard parts of products.
By day I'm a software engineer at Codifinary (CodeXray), working on a production observability platform. The rest of the time I ship AI and product work for startups across the π¬π§ UK, πΊπΈ US, and π¦πΊ Australia.
I like problems with real stakes β where correctness, latency, and money are on the line.
- π Telemetry & dashboards at CodeXray β
GoΒ·ClickHouseΒ·React - π€ An AI bot that reviews PRs and writes tests β
Claude Code+MCP - π Retrieval over real-world data β
QdrantΒ·LiteLLMΒ·Langfuse - π³ Payment & marketplace flows β escrow, automated payouts, disputes
| Project | What it is |
|---|---|
| AgentHub | Real-time collaborative AI dashboard β CRDT sync (Yjs), offline-first, Groq-backed model proxy |
| interceptor-engine | Published npm package for real-time API & LLM observability β patches fetch to capture latency, cost & prompts |
| Explain Code Simply | Published VS Code extension β AI-powered code explanations, right in the editor |
- πΌ Software Developer @ Codifinary (CodeXray)
- π¦ Published an npm package + a VS Code extension
- π©βπ» Ex GDSC Core Β· Ex IEEE Student Chapter Chair
- π¬ Contributor to a patent-backed project
- π§© 250+ LeetCode Β· CodeChef 3β
π¬ Open to freelance projects, collaborations, and genuinely hard problems.
π« payalm.lenka@gmail.com π Portfolio: payallenka.vercel.app Β· Studio: Lenkara βοΈ DEV Β· Medium Β· Substack Β· πΌ LinkedIn Β· π§© LeetCode
I'd rather ship one real thing than a hundred demos.


