Bibek Timsina
AI Full-Stack Engineer
I build TypeScript, Cloudflare, PostgreSQL, and LLM products end-to-end for remote teams. Currently leading engineering for Proma.ai at Growthzilla.
Featured Projects
A few projects that show how I think about product engineering, developer tooling, AI systems, and scale.
Proma.ai Engineering
Lead engineering work on an AI productivity platform: LLM integration layers, real-time collaboration, database design, and Cloudflare deployment.
Browser AI Chat
AI chat application that runs entirely in the browser using local models like Gemini Nano, Transformers.js, and WebLLM for private, serverless AI.
Callbreak Multiplayer
Real-time multiplayer card game built from zero to 1,000,000+ Google Play downloads, with Firebase-backed matchmaking and rejoin flows.
Astro MD Editor
Schema-aware editor for Astro content collections that lets you edit frontmatter and markdown together with validation on save.
DriveCellar
Self-hosted file browser for storage you already own. Point it at local folders or S3-compatible buckets—no new blob store.
Cloudflare Local Helpers
Open-source dashboard for managing Cloudflare Workers local resources including KV, D1, R2, and environment bindings during development.
Flutter Templates
Open-source catalog of production-focused Flutter widgets and full app templates, built to help developers start polished mobile interfaces faster.
Nepali Year Progress
A minimalist web app and API to visualize Nepali year progress with dynamic wallpaper generation for lock screens.
Experience
Lead Engineer
- Present
Remote
Lead Engineer
- Present
Remote
- Lead engineering for Proma.ai, an AI-powered productivity platform built with a remote US-based team.
- Own full-stack product architecture across database design, LLM integration layers, application logic, and deployment.
- Built prompt/tooling infrastructure for AI features while keeping product behavior observable and maintainable.
- Designed real-time collaboration features using WebSockets and optimized client/server state management.
- Ship end-to-end product work from ambiguous requirements through production deployment on Cloudflare.
Co-Founder and CTO
-
Remote
Co-Founder and CTO
-
Remote
- Co-founded and built Callbreak Multiplayer from zero to 1,000,000+ downloads on Google Play Store.
- Architected Firebase-backed real-time multiplayer infrastructure for mobile networks with frequent disconnects.
- Implemented matchmaking, private rooms, room lifecycle state, and rejoin flows for concurrent players.
- Optimized data synchronization and read patterns to keep real-time infrastructure affordable at scale.
- Led retention experiments and product iteration from analytics, player feedback, and release outcomes.
- Managed the full product lifecycle: from initial development and launch to marketing and rapid iteration.
Mobile Software Engineer
-
Remote
Mobile Software Engineer
-
Remote
- Conducted a feasibility study for migration of a native Android app to Flutter.
- Experimented with adding Flutter views in an existing native Android app.
Mobile Application Developer
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Remote
Mobile Application Developer
-
Remote
- Developed a podcast app using Flutter, with a focus on performance optimization.
- Implemented a custom audio player with support for offline playback.
- Wrote unit and integration tests to ensure code quality and reliability.
Freelance Mobile Engineer
-
Kathmandu
Freelance Mobile Engineer
-
Kathmandu
- Led the development of a mobile application for Sastodeal, a leading e-commerce platform in Nepal.
- Led the handover of the project to the client and provided training to the client's team.