Groupe Yoni Tech Stack

Vertical ERP and SaaS platforms for jewelry, catering, and cultural institutions

Software Development Seyssinet-Pariset, Auvergne-Rhône-Alpes 51–200 employees Founded 1992 Privately Held

Groupe Yoni operates three distinct vertical software divisions (jewelry retail, collective catering, libraries/museums) with a portfolio spanning legacy ERP systems and emerging SaaS products. The tech stack reflects a mid-modernization state: C++/Qt/MFC foundations alongside Spring Boot/Angular, with active QA industrialization (Cypress, Playwright, Xray) and CI/CD investment (GitLab CI/CD, GitHub Actions) — indicating a push to containerize and automate deployment across inherited codebases. Hiring is heavily weighted toward senior and mid-level engineers, concentrated in France, signaling domain expertise retention over headcount growth.

Tech Stack 31 technologies

Core StackC++ Visual Studio SQL Server Oracle GitLab Jira Cypress Playwright Selenium Postman GitLab CI/CD GitHub Actions JavaScript Python Java PostgreSQL Angular JUnit PHP Qt MFC Xray TestLink Redmine Spring Boot Git Jasmine RxJS Symfony Drupal+1 more

What Groupe Yoni Is Building

◆Challenges

Transforming saas platform
Reducing food waste
Modernizing legacy platforms
Improving qa processes
Maintaining high customer satisfaction
Improving software solutions
Maintaining legacy product
Optimizing software performance
Improving operational performance
Performance and security optimization

▲Active Projects

Modernizing legacy platforms
Industrializing qa processes
Software deployment projects
Core product maintenance and evolution
Performance optimization of core product
Improving ci/cd monitoring
Future saas platform odeis
Saas odeis platform development
Performance and security optimization
Ci/cd and observability improvement

Hiring Activity

Accelerating10 roles · 5 in 30d

Department

Engineering

Ops

Product

Support

Seniority

Senior

Mid

Junior

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About Groupe Yoni

Groupe Yoni is a French software company founded in 1992, now operating as a family-held group of three specialized divisions. Yoni Jewelry delivers Odeis and Bijou 3, ERP solutions for the jewelry, horology, and goldsmithing sectors. Yoni Catering operates Datameal, a platform for collective food service management. Yoni Culture owns Decalog Software and Flora Software, serving libraries and museums. The group employs approximately 140 people across seven French sites (Lyon, Valence, Biarritz, Grenoble, Montpellier, Paris, Vannes). Current development priorities center on SaaS transformation of the Odeis platform, legacy system modernization, and performance optimization.

HeadquartersSeyssinet-Pariset, Auvergne-Rhône-Alpes

Company Size51–200 employees

Founded1992

Hiring MarketsFrance

Frequently Asked Questions

What tech stack does Groupe Yoni use?

Core: C++, Qt, Visual Studio, SQL Server, Oracle. Modern web: Spring Boot, Angular, JavaScript, PHP, Symfony. Testing: Cypress, Playwright, Selenium, JUnit, Jasmine. Deployment: GitLab CI/CD, GitHub Actions. Version control: GitLab, Git.

What is Groupe Yoni working on?

SaaS transformation of Odeis, modernizing legacy platforms, industrializing QA processes, improving CI/CD monitoring and observability, and performance/security optimization of core products.