Senior Java Developer at Capgemini | Jobyssey

Choosing Capgemini means choosing a company where you will be empowered to shape your career in the way you’d like, where you’ll be supported and inspired by a collaborative community of colleagues around the world, and where you’ll be able to reimagine what’s possible. Join us and help the world’s leading organizations unlock the value of technology and build a more sustainable, more inclusive world.

Your Role

As a Senior Java Developer with Capgemini, you will play a key role in the design, development, maintenance, and optimization of enterprise-grade software solutions. You will leverage your extensive technical expertise to deliver scalable, secure, and high-performance applications while mentoring team members and contributing to architectural and technical decisions. Working within a complex ecosystem, you will collaborate closely with cross-functional teams to ensure the successful delivery of business-critical solutions.

In this role you will:

Design, develop, maintain, and enhance software components and applications based on business requirements, functional specifications, and architectural standards.
Develop robust and scalable solutions using Java and related frameworks, ensuring high performance, reliability, and maintainability.
Participate in solution design and technical architecture discussions, providing recommendations aligned with best practices and enterprise standards.
Build, integrate, and optimize technological and interoperability components, ensuring seamless interaction with internal and external systems.
Create, review, and maintain unit, integration, and automated test suites to ensure software quality and reliability.
Conduct code reviews, promote coding standards, and ensure compliance with security, performance, and quality requirements.
Troubleshoot complex technical issues, perform root cause analysis, and implement sustainable solutions.
Contribute to CI/CD implementation, deployment automation, and DevOps practices to improve software delivery efficiency.
Produce and maintain high-quality technical documentation, including design documents, API specifications, and operational procedures.
Mentor and support junior developers, fostering knowledge sharing and continuous improvement within the team.
Collaborate with business analysts, architects, project managers, and other stakeholders throughout the software development lifecycle.

Your Profile

Strong experience in designing, developing, and maintaining enterprise applications using Java and related technologies.
Excellent knowledge of Java (Java 8+), Spring Framework (Spring Boot, Spring MVC, Spring Data), RESTful APIs, and microservices architecture.
Proven experience with application integration technologies, messaging systems, and distributed systems concepts.
Strong understanding of software design principles, object-oriented programming, design patterns, and clean coding practices.
Hands-on experience with relational databases (Oracle, PostgreSQL, SQL Server, or similar) and database optimization techniques.
Experience with CI/CD tools, source code management systems, automated testing frameworks, and modern software development practices.
Familiarity with cloud platforms (Azure, AWS, or GCP), containerization technologies (Docker, Kubernetes), and DevOps methodologies is considered a strong asset.
Ability to analyze complex technical requirements and translate them into scalable and maintainable solutions.
Strong problem-solving, communication, and stakeholder management skills.
Experience working in international and multicultural environments using Agile delivery methodologies.
Minimum 8 years of overall IT experience, including at least 5 years of hands-on experience in Java development and related frameworks.
Experience leading technical initiatives, mentoring developers, and contributing to architectural decisions is highly desirable.
Excellent communication skills in French and English.

What you will love about working here

Software Engineer Community: Join a global community of 100,000+ software engineering professionals and expand your network through client and executive interactions.
Diverse & Impactful Projects: Develop your expertise across a wide range of missions, technologies, and sectors, with meaningful autonomy and room for initiative.
Continuous Learning: Access comprehensive training platforms and recognized certifications.
Flexibility & Balance: Benefit from hybrid working policies that allow you to manage your time and work location effectively.

Capgemini is an AI-powered global business and technology transformation partner, delivering tangible business value. We imagine the future of organizations and make it real with AI, technology and people. With our strong heritage of nearly 60 years, we are a responsible and diverse group of 420,000 team members in more than 50 countries. We deliver end-to-end services and solutions with our deep industry expertise and strong partner ecosystem, leveraging our capabilities across strategy, technology, design, engineering and business operations. The Group reported 2024 global revenues of €22.1 billion.
Make it real |

Senior Java Developer

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