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OPEN

OPEN

www.open.global

35 Jobs

4,372 Employees

About the Company

Bienvenue sur la Page LinkedIn d'Open ! Plus de 1200 nouveaux collaborateurs en 2025 ! #1200byOpen Avec 4000 collaborateurs et un chiffre d’affaires de 420 M€ en 2024, Open se positionne comme le partenaire de confiance, l'industriel de l'innovation qui accompagne les grands acteurs privés et publics dans leur transformation IT & Digitale, afin d’accroitre leur compétitivité. Open opère principalement en France et à l’international au Luxembourg et Roumanie. Comment ? En apportant une proposition de valeur centrée sur la modernisation des écosystèmes applicatifs et des infrastructures, l'intégration de plateformes technologiques, le déploiement de nos solutions SaaS et la mise en œuvre de l’Intelligence Artificielle au cœur de la dynamique d’innovation, pour créer de nouveaux leviers de performance et d’anticipation. Open inscrit sa raison d’être dans une logique d’avenir « Faire du numérique le vecteur de transformation d'un monde plus humain et durable » en cohérence avec ses valeurs d’entreprise : Agilité, Responsabilité, Engagement. #WeAREOpen

Listed Jobs

Company background Company brand
Company Name
OPEN
Job Title
Concepteur Développeur .Net/React H/F
Job Description
**Job Title** Full‑Stack .NET/React Developer **Role Summary** Collaborate within an Agile Scrum squad to design, develop, and maintain a strategic technical foundation. Has responsibility for both backend (.NET Core/C#) and frontend (ReactJS/TypeScript) components, ensuring high‑quality code through automated testing, continuous integration, and code reviews. Engage in the full product lifecycle from feature conception to production deployment, leveraging DevOps practices on Microsoft Azure. **Expectations** - Proficiency in .NET Core and ReactJS development. - Strong DevOps mindset: CI/CD, automated testing, monitoring. - Ability to work collaboratively in a cross‑functional, fast‑moving squad. - Continuous improvement orientation and openness to new technologies. **Key Responsibilities** - Design, implement, and test backend services (.NET Core, C#, SQL Server). - Build and maintain responsive UI components (ReactJS, TypeScript, JavaScript). - Participate in sprint planning, backlog grooming, and daily stand‑ups. - Perform code reviews, write automated tests (unit, integration, BDD). - Integrate CI/CD pipelines (GitHub Actions or similar) and monitor deployments on Azure. - Configure and maintain ElasticSearch & Kibana dashboards for logging and monitoring. - Provide post‑deployment support and troubleshoot production issues. **Required Skills** - .NET Core, C#, ReactJS, TypeScript, JavaScript - Git/GitHub workflow, Agile Scrum, CI/CD, BDD - Microsoft Azure services, SQL Server, ElasticSearch, Kibana - Strong grasp of automated testing frameworks and code quality tools - Excellent communication, collaboration, problem‑solving, and adaptability **Required Education & Certifications** - Bachelor’s or Master’s degree in Computer Science, Software Engineering, or related field (or equivalent professional experience). - Relevant certifications are a plus: Microsoft Certified: Azure Developer Associate, Scrum Master/Product Owner, etc.
Nantes sud, France
Hybrid
06-11-2025
Company background Company brand
Company Name
OPEN
Job Title
Développeur Java confirmé F/H
Job Description
**Job title** Senior Java Developer (F/M) **Role Summary** Design, develop, and maintain Java J2EE applications for the banking and payment industry. Work within an agile team, contribute to technical specifications, coding, testing, and documentation while ensuring high quality and maintainable code. **Expectations** * 3–8+ years of professional Java development experience * Strong analytical mindset and teamwork skills * Experience in banking or payment (monétique) environments **Key Responsibilities** * Analyze business requirements and translate them into technical specifications * Develop Java applications using J2EE, Spring/Spring Boot, and related frameworks * Write unit, integration, and functional tests; participate in test automation * Perform code reviews, ensure adherence to coding standards and best practices * Maintain and evolve existing codebases, provide bug fixes and performance enhancements * Document design decisions, technical architecture, and user manuals * Collaborate with DevOps for CI/CD pipelines and deployment processes * Participate in agile ceremonies (stand‑ups, sprint planning, retrospectives) **Required Skills** * Proficient in Java, J2EE, Spring, Spring Boot, and RESTful web services * SQL knowledge; experience with relational databases (e.g., Oracle, PostgreSQL) * Version control with Git; familiarity with CI/CD tools (Jenkins, GitLab CI) * Unit testing frameworks (JUnit, Mockito) and code quality tools (SonarQube) * Agile/Scrum methodology and collaborative development culture * Strong problem‑solving, communication, and documentation abilities * Familiarity with banking/payment domain concepts and regulations is a plus **Required Education & Certifications** * Bachelor’s or Master’s degree in Computer Science, Software Engineering, or related field * Professional certifications such as Oracle Certified Professional, Java SE; Spring Professional, or similar are preferred.
Metz, France
Hybrid
Junior
06-11-2025
Company background Company brand
Company Name
OPEN
Job Title
Chef de Projet F/H
Job Description
Job Title: Project Manager – Client (M/F) Role Summary: Lead end‑to‑end delivery of digital transformation projects for banking and payment (monétique) clients within an Agile framework. Coordinate cross‑functional teams, manage scope, schedule, budget, and quality, and serve as the primary point of contact for stakeholders, ensuring alignment with client objectives. Expectations: - Deliver projects on time, within budget, and to agreed quality standards. - Facilitate clear and proactive communication across all project instances (COPIL, Daily, Workshops). - Provide innovative and solution‑focused guidance to clients, leveraging technical expertise in banking/monetary environments. Key Responsibilities: - Define project objectives, scope, constraints, and success criteria. - Develop and maintain detailed project plans, risk registers, and status reporting. - Conduct and coordinate testing phases, ensuring robust validation of deliverables. - Produce essential project documentation: meeting minutes, functional specifications, steering documents, testing guides. - Supervise solution deployment and integration, verifying operational readiness. - Liaise with technical teams (Mainframe, Java/Angular, optional .NET/C#) to align solutions with client needs. - Mentor junior project staff and foster team cohesion toward common goals. Required Skills: - Proven project management experience in banking, especially payment systems. - Strong knowledge of banking functional requirements and monétique processes. - Experience with Mainframe, Java, and Angular environments; .NET/C# experience is a plus. - Fluency in Agile practices and tools (Scrum, Kanban). - Excellent written and verbal communication, stakeholder management, and presentation abilities. - Demonstrated organizational, assertiveness, and analytical skills. Required Education & Certifications: - Bachelor’s degree in Computer Science, Information Systems, Finance, or related field. - Project management certification (PMP, Prince2, or equivalent) preferred. - Agile certification (CSM, PSM, or similar) is an advantage.
Strasbourg, France
Hybrid
11-11-2025
Company background Company brand
Company Name
OPEN
Job Title
Ingénieur d'études et développement COBOL H/F
Job Description
**Job Title:** COBOL Study and Development Engineer **Role Summary** Develop and maintain COBOL-based banking systems in an agile environment, supporting strategic and innovative projects. Collaborate on technical design, testing, and incident resolution. **Expectations** Minimum 1+ years’ experience in software development, preferably COBOL/Mainframe. Strong analytical and problem-solving skills. Enthusiastic, collaborative, and adaptable to dynamic environments. **Key Responsibilities** - Analyze functional specifications to design technical solutions. - Document system architecture and development processes. - Monitor and resolve anomalies, provide incident support. - Conduct testing and deliver high-quality COBOL applications. - Collaborate with cross-functional teams on agile projects. **Required Skills** - Mainframe IBM systems. - Proficiency in COBOL, DB2, CICS, JCL, WINSQL. - Experience with technical documentation. - Agile methodology familiarity. **Required Education & Certifications** Bachelor’s degree in computer science, engineering, or related field. No specific certifications required.
Strasbourg, France
Hybrid
11-11-2025