Bibek Timsina
AI Full-Stack Engineer
I build products end-to-end with TypeScript, Cloudflare, PostgreSQL, and LLMs for remote teams. Currently leading engineering for Proma.aiat 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.
Flaremender
Open-source agent that explores your app in a real browser, writes and repairs Playwright tests, and runs them on a schedule. Self-hosted on your own Cloudflare account with a one-click deploy.
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, with 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.