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 fullstack Python / React.js - F/H

Job Description

Job Title: Fullstack Engineer – Python / React.js (F/M) Role Summary: Develop, maintain, and enhance a SaaS application for construction industry software in a fast‑growth environment, handling end‑to‑end feature development, deployment, and performance optimization. Expectations: - Minimum 3 years of professional Python development experience. - Proficiency in DevOps tools (Docker, Kubernetes). - Capability to manage interconnected application maintenance. - Strong independence, accuracy, and collaborative mindset with cross‑functional teams. Key Responsibilities: - Maintain and upgrade a Python/FastAPI backend and a TypeScript/React.js frontend. - Design, implement, and deploy new features from concept to production. - Respond to evolution requests, ensuring code quality and product stability. - Optimize and monitor application performance and scalability. - Work closely with technical and functional stakeholders to align solutions with business needs. Required Skills: - Python, FastAPI, TypeScript, React.js, MySQL. - Docker, Kubernetes, CI/CD pipelines. - RESTful API design, relational database modeling. - Strong problem‑solving, debugging, and unit testing. - Excellent communication skills in French and English. Required Education & Certifications: - Bachelor’s degree or equivalent in Computer Science, Software Engineering, or related field. - Relevant certifications (e.g., Docker Certified Associate, Kubernetes Administrator) are a plus.

Caen, France

On site

17-10-2025

Company Name

Seyos

Job Title

Support IT & Fonctionnel Confirme - Finance de Marche F/H

Job Description

Paris, France

On site

20-10-2025

Company Name

Seyos

Job Title

Tech Lead DevOps - F/H

Job Description

**Job Title:** Tech Lead DevOps (F/H) **Role Summary:** Lead the technical direction of the “Fondation” squad, overseeing the CI/CD tooling platform used by ~800 developers. Drive the migration to GitLab, maintain operational stability, and foster a product‑centric, DevSecOps culture across development teams. **Expectations:** - Minimum 6 years of professional DevOps experience, including technical leadership of teams. - Proven experience migrating CI/CD pipelines to GitLab CI. - Strong product mindset with focus on user value and stakeholder alignment. - Ability to operate in an agile environment with iterative three‑week cycles. **Key Responsibilities:** - Ensure operational continuity (MCO) and regular patching of the CI/CD chain (security, fixes, access rights, audits). - Lead the phased migration and industrialization of the existing CI/CD platform to GitLab. - Define and maintain the CI/CD product vision, roadmap, backlog, and iterative release cycles. - Support development teams in adopting GitLab workflows and DevSecOps practices (code scanning, security integration). - Facilitate stakeholder workshops (tech leads, IT, data scientists, Ops) to gather requirements, negotiate priorities, and achieve consensus. - Promote a product‑focused culture (customer‑centric, agile methodologies, convergent Dev/Ops governance). **Required Skills:** - Deep expertise in CI/CD tooling (GitLab CI, Jenkins, etc.) and pipeline automation. - Strong knowledge of DevSecOps practices, including static code analysis, vulnerability scanning, and security gating. - Proficiency with infrastructure as code (Terraform, Ansible, CloudFormation) and container orchestration (Kubernetes, Docker). - Experience with cloud platforms (AWS, Azure, GCP) and related services. - Excellent communication and stakeholder management abilities. - Agile/Scrum experience and capability to run iterative product cycles. **Required Education & Certifications:** - Bachelor’s degree in Computer Science, Engineering, or related field (or equivalent professional experience). - Relevant certifications preferred (e.g., GitLab Certified CI/CD, AWS Certified DevOps Engineer, Certified Kubernetes Administrator, or similar).

Bordeaux, France

On site

Senior

21-10-2025