Thomas
Hummel

I am a French Ruby developer who daily seeks to progress and actively pursue knowledge and personal growth.
My pragmatism is my greatest strength. My motto: "Never regret anything."
Projects
Follow the trail from one project to the next. Altitude is the year a project started.
Tornade (macOS App)
Lossless Audio Player for macOS
Rust, SwiftUI, SQLite
2026 m Learn More - Tornade (macOS App)Tornade is a native macOS music player built in Rust and SwiftUI, designed for audiophiles who want full control over their lossless library with keyboard-centric navigation and minimal resource usage.
Sinra (SaaS)
Project Management for V-Model and Agile Teams
Ruby on Rails, PostgreSQL, Docker
2026 m Learn More - Sinra (SaaS)Sinra is a project management platform built for teams combining V-Model and Agile methodologies, offering unified capacity planning, real-time QA tracking, and release-driven workflows in one platform.
SMS (SaaS)
Stock Management System for Stockoss
Ruby on Rails, Hotwire Turbo, PostgreSQL, AWS
2021 m Learn More - SMS (SaaS)SMS is the back-office Stock Management System powering Stockoss, a B2B logistics platform. It centralizes warehouse references, orders, entities, taxonomies, and inventory across a network of 20+ logistics partners.
Chronicle (GMP Software)
GMP Manufacturing Automation Software
Ruby on Rails, React, PostgreSQL, Docker
2019 m Learn More - Chronicle (GMP Software)Chronicle is a GMP-compliant digital platform by Cytiva designed to automate and monitor complex cell therapy manufacturing operations, from process development to commercial production.
Fathome - Real estate ads by route
Real Estate Ads by route
Ruby on Rails, Google Maps, Docker
2015 m Learn More - Fathome - Real estate ads by routeThe real estate ads site that allows you to scrap pro and home sites linked with google maps to search an ad by route, distance or duration.
Ui Bibz V3 (Framework)
Bootstrap Framework with Ruby on Rails
Ruby on Rails, Javascript, SASS
2015 m Learn More - Ui Bibz V3 (Framework)Ui bibz is an interface framework for building an interface very quickly and simply using Ruby on Rails 6 and Bootstrap 5.
Harbour Crane (Docker)
Manage Apps with Docker
Ruby on Rails, Docker
2014 m Learn More - Harbour Crane (Docker)Harbour Crane is a web application running on Docker to manage all apps through Docker.
EIME (Web App)
Perform Life Cycle Assessments App
Ruby on Rails, ExtJS, Docker
2011 m Learn More - EIME (Web App)Eime is a referential that lets you easily perform Life Cycle Assessments (LCA) and eco-design projects in compliance with international programmes.
19 years experience,
17 years in Ruby
The combination of my skills develops and promotes design allows me to respond to specific problems at all levels: large accounts, SME / SMI, Independent, Artisan, Institutional...
Career, 2007 to today
Early career
PHP, Drupal, Rails, own company
2007 - 2011
Bureau Veritas
Software engineer, EIME and EDC
2011 - 2019
GE Healthcare
Software engineer, Chronicle
2019 - 2021
Stockoss
Tech lead, 4 developers
2021 - 2025
ELCA / Swisscom and freelance
Senior engineer, Sinra and Tornade
2025 - today
Peak height shows the time spent.
Stack
Languages and frameworks
- Ruby, Ruby on Rails
- JavaScript, Hotwire
- Rust
- NestJS, Next.js
- HTML, CSS
Data and infrastructure
- PostgreSQL
- Redis, Sidekiq
- Docker, Kubernetes
- Kamal, CI/CD
- AWS (S3)
Practices
- SOLID, design patterns
- Hexagonal architecture, DDD
- TDD, unit tests
- Agile methods
Tools
- Neovim, Git
- Claude Code
- Linux, macOS
Way of working
- Experience
- I am a Senior Ruby full stack developer specializing in multi-tenant SaaS development, covering backend and frontend development through to infrastructure management on AWS and OVH.
- Environments
- I work on Linux and Mac with Git and Github. I use Vim, Tmux and Homebrew. Developments run on RVM or Docker.
- Servers (DevOps)
- I manage servers on Linux with Docker, Docker-compose, Upstart, Systemd and other Linux tools.
- Philosophy
- Code needs to be tested. MVP (Model-View-Presenter) rather than MVC (Model-View-Controller). Pattern, pattern and pattern. Open Source is good.
- Passion
- I'm passionate about new technologies and the countryside. My travels have given me a creative spirit and pragmatic vision. I'm a vim and bépo user.
And after
Always looking for new opportunities, you can follow my work on Github or LinkedIn. You can also download my CV.
- => github: github.com/thooams
- => linkedin: Thomas Hummel
- => email: thomas at hummel.link
- => cv: thomas-hummel-cv.pdf