Seyos

About the Company

Seyos est un cabinet de recrutement spécialisé dans l’IT et l’Industrie, implanté à Nantes et à Biarritz, opérant sur l’ensemble du territoire national français ainsi que dans les principales villes francophones de Belgique, du Luxembourg, de Suisse et à Monaco. Créer une rencontre fructueuse entre candidats et recruteurs, au service des projets des entreprises que nous accompagnons et des souhaits d’évolution professionnelle des candidats. l’humain avant tout un service 100% sur-mesure un consultant dédié, à chaque client, et par région une expertise des métiers de l’IT, de la Tech et de l’Industrie une maîtrise du marché et des codes de l'emploi une analyse précise du besoin un conseil et un accompagnement personnalisé : un consultant à l’écoute, disponible et réactif Chasse de tête Executive Search IT Conseil & accompagnement Formation des équipes RH RPO (Recruitment Process Outsourcing) ’ Conformité RGPD & Accessibilité Numérique, Consulting & Support, Cybersécurité, Data & Blockchain, Design – UI/UX & Intégration, Développement & QA, Gestion de projets & Product, Informatique Industrielle & Robotique, Ingénierie Financière & Monétique, Infrastructure & Cloud, Intelligence artificielle, Management IT & Executive, Recrutement IT, RSE & Green IT, Sales & Commercial, Webmarketing & Digital. Achats et Approvisionnement, Gestion de Projet Industriel, Ingénierie et Conception, Logistique et Supply Chain, Maintenance et Réparation, Production et Fabrication, Qualité et Contrôle, Recherche et Développement (R&D), Ressources Humaines Industrielle, Sécurité et Environnement, Technologies de l’Information Industrielle, Ventes & Marketing Industriel. 22 collaborateurs, 800 entreprises accompagnées, 2000 recrutements depuis 2014.

Listed Jobs

Company Name

Seyos

Job Title

Développeur C# - H/F

Job Description

Job Title: C# Developer Role Summary: Mid-level C# developer to join an ERP software R&D team, focusing on backend development, module refactoring, and strategic projects like mobile app development. Expectations: 3-5 years of backend or full-stack development experience; proficiency in C#, ASP.NET, or Windev; collaboration in agile teams; adaptability to technical versatility. Key Responsibilities: - Develop and refactor backend modules within an ERP system. - Contribute to new module creation and strategic projects (e.g., mobile app using ASP.NET Core/Unity). - Participate in agile rituals (dailies, sprint reviews, planning). - Conduct code reviews, pair programming, and ensure deliverable quality. Required Skills: - C#, ASP.NET, Windev; familiarity with Kendo UI, HTML/CSS, Azure DevOps. - Backend development; agile methodologies; problem-solving. - Collaboration in team settings; proactive communication. Required Education & Certifications: N/A.

Aix-en-provence, France

Hybrid

26-09-2025

Company Name

Seyos

Job Title

Ingenieur Exploitation Applicative - F/H

Job Description

Job Title: Application Operations Engineer – M/F Role Summary: Operate and maintain critical government applications, ensuring continuous availability, performance, and security while supporting user incidents and documenting solutions. Expectations: Deliver reliable application uptime, promptly resolve incidents, provide effective 1st‑ and 2nd‑level support, and contribute to evolving the system architecture. Key Responsibilities: - Supervise and maintain production applications (MCO). - Process and document incident resolution. - Handle user support tickets via GLPI (Level 1 & 2). - Author and update technical documentation. - Promote and implement best practices in operational monitoring. Required Skills: - 5 + years in application operations or system administration. - Proficient with Linux environments. - Experience with relational databases (MySQL, PostgreSQL). - Skilled in automation & monitoring tools: Ansible, Docker, GLPI, Shell scripting, Nexus. - Ability to prioritize incidents and ensure service continuity. - Strong collaboration with infrastructure, project, and security teams. Required Education & Certifications: - Bachelor’s (Bac +3) to Master’s (Bac +5) degree in Computer Science, Engineering, or equivalent. - Certifications in Linux, database administration, or relevant automation tools are advantageous.

Montreuil, France

On site

16-10-2025

Company Name

Seyos

Job Title

Chef de projet MOE - F/H

Job Description

**Job Title:** IT Project Manager (Application Development) – F/M **Role Summary:** Lead the full project lifecycle for strategic, confidential applications within a governmental intelligence service’s IT department. Ensure reliable, secure, and high‑performance delivery and ongoing operational maintenance of a portfolio of applications bridging business needs and technical requirements. **Expactations:** - Deliver projects on time, within scope and budget while maintaining strict security and quality standards. - Ensure continuous availability, robustness, and compliance of deployed solutions. - Coordinate internal and external stakeholders to meet business objectives. **Key Responsibilities:** - Gather and analyze functional requirements, translate them into technical specifications. - Conduct feasibility studies, cost estimates, and detailed project planning. - Manage development, testing, deployment, and production rollout of applications. - Oversee configuration management, version control, and CI/CD pipelines. - Monitor application performance, address incidents, and drive corrective actions. - Coordinate DevOps activities (Docker, Ansible, GitLab CI/CD) and enforce security best practices. - Maintain documentation and ensure knowledge transfer to operations teams. - Report project status, risks, and mitigation plans to the Project Management Office. **Required Skills:** - Strong project management experience in software/application development. - Proficiency with Linux operating systems. - Expertise in relational databases (MariaDB, PostgreSQL, MySQL). - Advanced programming skills in Python and/or Java. - Hands‑on experience with DevOps tools: Docker, Ansible, GitLab CI/CD. - Good understanding of information security principles. - Excellent communication, stakeholder management, and problem‑solving abilities. **Required Education & Certifications:** - Bachelor’s or Master’s degree in Computer Science, Engineering, or related field (engineering school or university equivalent). - Relevant project management certification (e.g., PMP, PRINCE2) is a plus. - Professional experience in application development or project delivery (minimum 5 years).

Montreuil, France

On site

16-10-2025

Company Name

Seyos

Job Title

Developpeur C# - F/H

Job Description

**Job Title:** C# Developer **Role Summary:** Develop and maintain station management systems for fuel and payment solutions, focusing on POS systems, peripheral integration, and payment platforms. **Expectations:** 4+ years of C# development experience; collaboration in a 5-member engineering team supporting global markets. **Key Responsibilities:** Design, implement, and maintain station management software; integrate payment automation, fuel dispensers, peripherals, and servers; oversee analysis, deployment, and training; manage multi-terminal POS and mobile payment systems. **Required Skills:** C#.NET, SQL, XML, JSON; proficiency in .NET, Git, Jira; software development lifecycle experience (analysis to maintenance). **Required Education & Certifications:** Master’s degree in computer science or related field; professional English proficiency mandatory. Optional: C/C++, LINQ, project management knowledge.

Fabrègues, France

On site

16-10-2025