XEFI

About the Company

Créé il y a 28 ans par Sacha Rosenthal, le Groupe #XEFI est aujourd’hui leader des services informatiques auprès des #TPE et #PME en France. Le Groupe XEFI étend son expertise IT en Europe, à travers un réseau de plus de 200 agences de proximité réparties en #France, #Belgique, #Suisse, #Monaco et #Espagne pour proposer des solutions informatiques performantes et prêtes à l’emploi. Les solutions IT XEFI couvrent tous les besoins #informatiques des TPE/PME : #Maintenance informatique et #Infogérance, #Équipement informatique, #Cloud, #Sécurité informatique, #Digitalisation… Aujourd’hui, le Groupe XEFI est fort d’une équipe de plus de 2 000 collaborateurs en Europe et investit dans la formation de jeunes talents au sein de sa XEFI Academy pour leur offrir une carrière performante dans les métiers de l’#IT et du #Numérique. XEFI s’appuie sur un écosystème solide de partenaires stratégiques avec des acteurs majeurs de l'IT tels que #HP, #HP Enterprise, #Microsoft, #Aruba, #Sophos. Gage d’un savoir-faire et d’un engagement constant en matière d’évolution. Propriétaire de ses 6 #datacenters 100% français et écoconçus, XEFI maitrise l'intégralité de la chaine de valeurs pour ses clients entreprises, collectivités et administrations.

Listed Jobs

Company Name

XEFI

Job Title

DEVELOPPEUR C# (H/F)

Job Description

Job Title: C# Developer (H/F) Role Summary Develop, maintain, and optimize C# applications that support cloud and physical data‑center operations. Work within Agile Scrum teams under the guidance of the Lead Developer, contributing to product vision, architecture, and continuous improvement. Expectations • Deliver high‑quality, scalable code in a fast‑paced, collaborative environment. • Take ownership of assigned features and mentor junior teammates. • Demonstrate proactive problem‑solving, client‑centric focus, and willingness to learn new technologies. Key Responsibilities - Design, code, and test custom C# applications for cloud and data‑center management. - Participate in daily stand‑ups, sprint planning, and retrospectives; apply Scrum best practices. - Conduct code reviews and enforce coding standards. - Author unit and integration tests and maintain technical documentation. - Perform tech research, prototype new solutions, and evaluate tools for project enhancement. - Support and guide less experienced developers. Required Skills - Proficient in C# and .NET Framework/.NET Core. - Experience with object‑oriented design, SOLID principles, and application architecture. - Familiarity with Agile/Scrum methodology, including planning poker and sprint reviews. - Strong unit‑testing skills and experience with testing frameworks (e.g., NUnit, xUnit). - Ability to write clear documentation and conduct effective code reviews. - Excellent communication, teamwork, and problem‑solving abilities. Required Education & Certifications - Bachelor’s degree in Computer Science, Software Engineering, or a related field (or equivalent practical experience). - Relevant Microsoft or industry certifications (e.g., Microsoft Certified: Azure Developer Associate) are a plus.

Rillieux-la-pape, France

On site

Senior

12-03-2026

Company Name

XEFI

Job Title

DEVELOPPEUR PHP (H/F)

Job Description

**Job Title:** PHP Developer **Role Summary:** Develop, maintain, and enhance PHP-based applications that support cloud and on‑premise data‑center management. Work collaboratively within an Agile (Scrum) team, taking ownership of feature development, code quality, and technical improvement initiatives. **Expectations:** - Deliver high‑quality code that meets functional and non‑functional requirements. - Participate actively in sprint planning, daily stand‑ups, retrospectives, and code reviews. - Communicate progress, risks, and improvement ideas to the team and stakeholders. **Key Responsibilities:** - Design, code, and test PHP applications and micro‑services for cloud and data‑center orchestration. - Maintain existing codebases, fix bugs, and refactor for performance and readability. - Write unit, integration, and functional tests; maintain test coverage. - Produce clear, concise technical documentation and user‑facing documentation as needed. - Conduct code reviews and enforce coding standards. - Create and evaluate proof‑of‑concepts for emerging technologies relevant to the project. - Mentor and support junior developers. - Work with product owners to translate business requirements into technical solutions. **Required Skills:** - Strong proficiency in PHP (8.x) and related frameworks (Laravel, Symfony, etc.). - Experience with RESTful API design and JSON/XML data interchange. - Familiarity with MySQL/MariaDB or PostgreSQL database design and optimization. - Proficiency in Git, branching strategies, and CI/CD pipelines. - Understanding of Agile/Scrum practices and experience in a Scrum team. - Ability to write clean, maintainable, testable code. - Excellent problem‑solving, debugging, and analytical skills. - Good written and verbal communication in English. **Required Education & Certifications:** - Bachelor’s degree in Computer Science, Software Engineering, or related field (or equivalent practical experience). - PHP certifications (e.g., Zend Certified PHP Engineer) are a plus.

Rillieux-la-pape, France

On site

Senior

12-03-2026