À propos de David
Software Engineer and CTO with 18+ years building scalable, mission-critical systems in diverse industries (e.g AgriTech, HR Tech, Telecom, E-Commerce, Consumer Hardware). Passionate about reducing complexity, automating painful tasks, and enabling asynchronous, documentation-first teams. Proven track record of leading engineering teams in global startups, from reducing microservice chaos to implementing NixOS as a company-wide standard. Believer in open-source, hardware/software hacking, and building tools that outlive their use cases
Français
Bilingue ou natif
Anglais
Capacité professionnelle complète
Japonais
Capacité professionnelle limitée
Coréen
Notions
Espagnol
Notions
En télétravail uniquement
Travaille majoritairement à distance
Expériences
- ListenField IncCTO & Staff level software engineerAGROALIMENTAIREmars 2021 - juin 2026 (5 ans et 3 mois)Tokyo, JapanAgritech: Integrated Predictive Agronomic Platform (~40 people start-up, multi-cultural ~12 nationalities). Building the Gitlab for Farmers, working with satellite images to estimate farmers fields' health, production, and when their crops will bloom.Highlights:- Led the redevelopment of a 4 years old mobile & web app with 40,000+ users in 5 months, including the successful migration of existing users.- Built a forecasting weather api doing weather interpolation directly in SQL, working with hundreds of millions of DB rows.- Developed an IoT platform for tractors drastically reducing billing and management errors- Radically changed how the organization was working by promoting maximum Gitlab use and asynchronous communication for everyone. Gone from multiple meetings a day to around one meeting a week.- Introduced the company to Nix/NixOS, establishing it as the standard for both development environments and deployment processes across different teams.- In my first month, I also reduced the number of repositories by 90% and redesigned the infrastructure to minimize the use of microservices- Built a scalable pipeline using PubSub & cloud functions for satellite image fetching (100,000+ images/day) and worked closely with researchers to ensure the success of our projects- Reviewed all team members' code for a minimum of 4 hours each day, providing constant feedback and suggestions.- Built an extensive employee handbook using Hugo, providing a one-stop resource for new hires and a comprehensive documentation hub for the entire company
- JoynetiksFounder / Software Engineerjuillet 2020 - Aujourd'hui (6 ans et 1 mois)Extraordinary Software Development Services- Joynetiks provides top-notch software development and consulting services to companies of all sizes, with a focus on bringing Joy to everyone involved.
- ZEPPELIN Inc.Lead Software Engineerjuillet 2020 - décembre 2020 (5 mois)Tokyo, JapanAR mobile apps / shopping platform- Implemented robust development processes, including CI and testing, to improve efficiency and code quality on a previously disorganized project.- Initiated the migration from Firestore to SQL on GCP (contributing to firebase in the meantime), successfully designed and built the entire backend for the app.- Guided and mentored other engineers in making informed decisions and delivering high-quality work.
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Formations
- Programming for dummiesEPITECH - European Institute of Technology2011Programming for dummies