Résumé — Sacha Froment

Location: Marigné-Laillé, France
Age: 27 years old
Nationality: French
Email: sacha@sacha.house
Profile
Software and systems engineer specializing in the modernization of business applications and their development pipelines. My work spans .NET and web development, tooling, performance, and Linux operations, with a consistent focus on reliability and cycle time.
Experience
- Catamania (Since April 2025)
- Software engineer (OGF assignment)
Assignment across several internal applications supporting order management and operations. Most work consists of feature development and defect correction with ASP.NET Core, Angular, and SQL Server. Key contributions include external service integration, agency-change redesign, and shared design of a cross-cutting permission system. The team works in Agile with Azure DevOps.
- Software engineer (OGF assignment)
- AViSTO (January 2023 – March 2025)
- Software engineer (Alstom assignment)
Two-year Alstom assignment on tools for embedded railway system configuration. Work included maintenance of WinForms applications on .NET Framework, independent design of a production .NET 8 CLI, and preparation of several dozen projects for migration from NAnt to MSBuild.
- Software engineer (Alstom assignment)
- AG2R La Mondiale (September 2019 – June 2022)
- Information systems assistant, apprenticeship
Apprenticeship within the information-system mapping team. Designed and maintained a TypeScript framework progressively deployed across almost 50,000 pages, evolved C# and VBScript processing, and contributed to the MEGA HOPEX V2R1-to-V5 migration through production deployment.
- Information systems assistant, apprenticeship
- Italic (April – August 2019)
- Systems administration intern
Administered 5 to 10 Linux VPS instances hosting customer websites. Bash automation covered configuration, backups, deployments, and monitoring for the LAMP infrastructure.
- Systems administration intern
Skills
Application development: C#, .NET, Angular, TypeScript, Go, and SQL for web, desktop, and command-line applications.
Quality and delivery: automated tests, profiling, Azure DevOps, GitLab CI, MSBuild, Webpack, Docker, Linux, and NixOS.
Professional practices: Agile teamwork, product and business collaboration, technical documentation, project scoping, and change management.
Education
- Conservatoire national des arts et métiers (2019 – 2022)
Engineering degree in computer science, information systems
- IUT Paris Descartes (2017 – 2019)
Two-year university degree in computer science
Languages
- French: native
- English: bilingual professional and technical proficiency
Selected projects
sacha.house
Personal website and publishing engine in Go, with templ components, Datastar navigation, WebAuthn authentication, and Nix deployment.
nixconfig
Declarative NixOS infrastructure used to rebuild several machines and services from shared modules.