Fabian Martin

About

Software engineer and founder with 3 years at Meta shipping products at scale across Workplace, Workchat, and Messenger. Founding engineer on Messenger Communities (0→1), now live across Messenger and WhatsApp. Co-Founder & CEO of LangAI, a language-learning mobile app built from scratch with thousands of users and hundreds of paying subscribers, owning end-to-end development including React Native, Supabase, AWS, and Vercel while leading non-engineering functions.

Experience

• Co-Founder & CEO · LangAI01-01-2023

  • Built and launched a cross-plaUorm language-learning app on iOS and Android from scratch. Grew to thousands of users and hundreds of paying subscribers. • Technical founder: Owned end-to-end product development: React Na)ve apps, Supabase backend, AWS infrastructure, Vercel for web. Led all non-engineering func)ons (marke)ng, user acquisi)on, legal, opera)ons).

• Software Engineer I & II · Meta11-01-2019 – 09-30-2022

  Messenger Communi)es (Android) • Founding engineer; helped built the Android product 0→1 and drove cri)cal mobile architecture decisions that shaped the product. • Helped grow the Android team and onboard new engineers through the transi)on from design to first version. Communi)es is now live across both Messenger and WhatsApp. Workplace, Workchat & Messenger (Android) • Full-stack Android development across Meta's B2B (Workplace, Workchat) and B2C (Messenger) surfaces. Shipped phone number integra)tion, Remote Presence (AI-driven), Remote Presence for Small Business, and instance invite links on Workplace.

• Software Engineer Intern · Meta01-01-2018 – 03-31-2018

  • Rebuilt the Group Crea)on flow on Workplace, increasing group crea)on comple)on rate by over 90%.

Education

• Karlsruhe Institute of TechnologyBSc, Computer Science
• Carnegie Mellon UniversityVisiting Research Student (Bachelor's thesis), NLP/ML (Python)

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