# Harjot Singh Rana - Full-Stack and AI Product Engineer Canonical URL: https://www.harjotrana.com/ > I build software from first idea to production. - I ship multi-agent AI products and multi-tenant SaaS end to end, using TypeScript and Python. - Founding engineer at [Moonshift](https://moonshift.io); raised generation success 46% → 76% for 1,200+ users. - Full-stack engineer at SignVault.io, owning the API, permissions, and billing. Bring me anything: an idea, a Figma design, or a half-built product. I can help scope it, ship it, or take ownership of the next stage. - Work with me: https://www.harjotrana.com/hire - Résumé (PDF): https://www.harjotrana.com/resume.pdf - Email: me@harjotrana.com - Status: Available for selected product work ## Selected work Six systems I designed, built, and shipped. Each one links straight to the running product or the source. ### Moonshift *Production · Founding engineer* AI app builder that turns a prompt into a deployed full-stack app. I rebuilt the multi-agent generation pipeline, taking end-to-end success from 46.2% to 76.7% and cutting median prompt-to-live time 32%, to 14.9 minutes. 1,200+ users, 800+ apps generated. - Detail page: https://www.harjotrana.com/projects/Moonshift - Live: https://moonshift.io - Stack: TypeScript, Python, Next.js, PostgreSQL, SSE, Docker ### Helicon *Open source · Solo · MIT* Desktop app and VS Code extension for Meta's Muse Code CLI (unofficial). One React UI across Tauri, web, and VS Code; native Windows support and WSL2 path translation; approvals and billing left exactly as the CLI sets them. 3,500+ installer downloads and 88 GitHub stars in five weeks. - Detail page: https://www.harjotrana.com/projects/Helicon - Code: https://github.com/HarjjotSinghh/helicon - Live: https://helicon.sh - Stack: Tauri 2, Rust, React, TypeScript, VS Code API ### Swoopcut *Service + pipeline · Solo* Launch videos for web apps, delivered in 48 hours. A Playwright recorder captures the live app in Chrome at 60 fps, then a Python renderer adds a spring camera, click ripples, motion blur, and 9:16 Shorts from the same take. - Detail page: https://www.harjotrana.com/projects/Swoopcut - Live: https://swoopcut.com - Stack: Node.js, Playwright, Python, x264 ### Brio UI *Component library · Solo* 50 interaction-first React components, one file each, installed from a shadcn registry. - Detail page: https://www.harjotrana.com/projects/Brio%20UI - Code: https://github.com/brio-ui/brio-ui - Live: https://brioui.com - Stack: React 19, TypeScript, Motion ### FixedLaunch *Service + site · Solo* Fixed-price rescue for broken AI-built apps: a bug video and written fix plan within 48 hours. - Detail page: https://www.harjotrana.com/projects/FixedLaunch - Live: https://fixedlaunch.com - Stack: Next.js, TypeScript, Neon, PostHog ### Reinstate *Open source · Solo · Apache-2.0* Go CLI that keeps Claude Code and Codex sessions alive across machines. Zero-knowledge age encryption into your own S3/R2 bucket, plus OS-aware path remapping so resume still works after switching from Windows to macOS. 23/23 cross-platform acceptance tests. - Detail page: https://www.harjotrana.com/projects/Reinstate - Code: https://github.com/HarjjotSinghh/reinstate - Live: https://reinstate.dev - Stack: Go, age, S3, GitHub Actions ### Locum *Open source · Solo · Apache-2.0* Python MCP server that lets Grok Bot hand coding jobs to Claude Code and Codex on your own machine. Built-in OAuth 2.1 with PKCE, an async job queue that survives restarts, and spend caps. - Detail page: https://www.harjotrana.com/projects/Locum - Code: https://github.com/HarjjotSinghh/locum - Stack: Python, MCP, Claude Code, Codex, Cloudflare All projects: https://www.harjotrana.com/projects ## Experience ### [The Whiskey Library](https://whiskeylibrary.com) | E-Commerce Full-Stack Developer (Aug 2026 - Present) Build the Shopify storefront, Recharge subscription backend, subscriber dashboard, and taste-profile quiz. ### [Moonshift](https://moonshift.io) | Founding Engineer (Jan 2026 - Aug 2026) Built and shipped the AI app builder end to end - multi-agent pipeline, SSE observability, prompt-to-deploy - to 1,200+ users. ### SignVault.io | Full-Stack Software Engineer (Nov 2024 - Nov 2025) Owned the e-signature REST API, ABAC engine, Stripe billing, and document workflows for a multi-tenant SaaS. ### [LawSikho](https://lawsikho.com) | Software Engineer Intern (Sep 2024 - Nov 2024) Multithreaded Python pipeline that scraped and deduplicated 100,000+ job listings, deployed on AWS EC2. ### [Mindcase](https://mindcase.co) | Full-Stack Engineer Intern (Aug 2024 - Sep 2024) Built an AI blog-generation platform on the OpenAI and Reddit APIs, from interface to content preview. Full résumé: https://www.harjotrana.com/resume.pdf ## Education - B.Tech, Computer Science and Engineering, Guru Tegh Bahadur Institute of Technology (GGSIPU, New Delhi), 2022 - 2026 ## Recognition - Avalanche ecosystem mini-grant: $10K. One of 10 teams selected across India. - OpenCode Buildathon: Top 120 of 20,000 participants. - [GitHub Universe 2025](https://zyflo.vercel.app): Zyflo showcased during the event. - [LeetCode](https://leetcode.com/u/HarjjotSinghh): 770+ problems solved. ## Writing - [Helicon: A Desktop Client for Meta's Muse Code](https://www.harjotrana.com/blog/harness-locked-not-terminal-locked) (16 Sep 2026, 19 min): Meta's Muse Code is terminal-only, has no Windows binary, and only bills your subscription through its own harness. The desktop client I built for it, and why that last fact decided everything. - [I Distilled Myself Into an Agent Skill, Then Benchmarked It Against Myself](https://www.harjotrana.com/blog/distilling-myself-into-an-agent-skill) (10 Sep 2026, 25 min): I mined 1,398 judgment events out of five coding agents' session logs and turned them into a portable skill. Then a control model, the skill and I answered the same ten decisions blind. - [How I Scored 100/100 on Is Agentic by Vercel](https://www.harjotrana.com/blog/scoring-100-on-is-agentic) (23 Aug 2026, 21 min): My portfolio scored 75 on Vercel's agent-readiness scanner. Two rounds later it scored 100. Every change that moved the number, including the one header Next.js would not let me set. All writing: https://www.harjotrana.com/blog ## Stack - **Core**: TypeScript, Python, React, Next.js, Node.js, PostgreSQL - **Backend**: NestJS, Express, FastAPI, Redis, SSE, GraphQL - **AI systems**: Anthropic, OpenAI, LangChain - **Commerce**: Shopify, Recharge, Klaviyo, PostHog, Stripe - **Infrastructure**: Cloudflare Workers, Vercel, AWS, Docker, Drizzle, Supabase - **Also**: Tauri, Rust, Go, Bun, MongoDB, Socket.IO ## Open-source activity GitHub contribution graph for the last 12 months: https://github.com/HarjjotSinghh ## Contact Building something and need a product engineer? Email me@harjotrana.com or use the form at https://www.harjotrana.com/hire#start. Share the product, the stage, and what you need next. I reply within one business day. - GitHub: https://github.com/HarjjotSinghh - LinkedIn: https://www.linkedin.com/in/HarjjotSinghh - Twitter: https://x.com/HarjjotSinghh - LeetCode: https://leetcode.com/u/HarjjotSinghh - Behance: https://www.behance.net/harjjot --- Site guide for agents: https://www.harjotrana.com/llms.txt · Full site as Markdown: https://www.harjotrana.com/llms-full.txt · Sitemap: https://www.harjotrana.com/sitemap.xml · Developer resources: https://www.harjotrana.com/developers