Senior Full Stack Java Developer

Description

**Company Description** *Inetum is a leading European company that supports organizations in a context of continuous technological change. Thanks to solid sectoral expertise, a strong innovation culture, and a scalable international model, we help our clients transform their operations and generate sustainable impact on their business and society.* *Guided by European values, we empower organizations to generate positive impact and unlock the full potential of society.* *This vision inspires us to fulfill our commitments, attract top talent, and turn uncertainty into opportunity—building a future where technology highlights the capabilities of each one of us.* *Top Employer Europe 2026* *Top Employer Spain 2026* Discover more here: Company Overview \| Inetum **Job Description** **Position Overview** We are seeking a Senior Full Stack Java Developer with solid experience in web application development and a strong orientation toward both Back-End and Front-End technologies. The selected candidate will be responsible for technically leading a development team, participating in solution definition, ensuring deliverable quality, and actively collaborating in the planning and execution of strategic initiatives. We seek a profile capable of combining architectural vision, technical excellence, and leadership—contributing to the continuous evolution of project applications and processes. We especially value candidates who have already integrated AI-assisted development tools (e.g., Claude Code, GitHub Copilot, Cursor, or similar) into their daily workflow and know how to apply them critically to accelerate delivery without compromising code quality or security. You will join a modern technology environment based on microservices and container architectures, participating in the evolution and maintenance of scalable, resilient, and cloud-native solutions. **Responsibilities** * Technically lead the assigned development team, track tasks, and ensure achievement of established objectives. * Participate in planning, prioritization, and estimation of development efforts. * Define and validate the most appropriate technical solutions for each business need. * Coordinate and report development progress to project leads. * Design, develop, and maintain web applications—with special focus on user experience and presentation layer. * Ensure application of good development practices, quality standards, and code reviews. * Promote adoption of TDD (Test-Driven Development) and automated testing. * **Promote adoption of AI-assisted development tools (e.g., Claude Code or equivalents) across the team, defining best practices for usage, prompting, and review of generated code.** * Collaborate on continuous improvement initiatives, technological modernization, and optimization of development processes—including integration of generative AI into the software lifecycle. * Participate in design and evolution of microservices-based architectures. * Collaborate in defining cloud solutions on AWS. * Ensure observability, maintainability, and scalability of developed services. * Participation in cloud-native projects on AWS. * Knowledge of observability principles, application monitoring, and tracing. * Experience collaborating with architecture, DevOps, or infrastructure teams in cloud environments. * Knowledge of integration patterns and inter-microservice communication. **Requirements** *Mandatory* * More than 5 years of software development experience. * Solid experience with Java and object-oriented programming. * Advanced knowledge of the Java ecosystem: Java 8 or later, Spring Boot, Spring MVC, Spring Security. * Experience with presentation technologies: JavaScript, JSF, JSP, React. * Experience designing and developing APIs and Web Services (REST/SOAP). * Experience with containerized environments: Docker, Kubernetes. * Proficiency with development tools: Maven, Git, Jenkins. * **Practical experience with AI-assisted development tools (e.g., Claude Code, GitHub Copilot, Cursor, or others), integrated into daily workflows (code generation, refactoring, testing, documentation).** * Experience working with messaging systems and queues. * Experience with JUnit, Liquibase, TDD (Test-Driven Development). * Experience developing applications based on microservices architectures. * Experience developing REST APIs using Spring Boot. * Knowledge of the lifecycle of containerized applications using Docker and Kubernetes. * Experience leading or coordinating technical development teams. * Ability to mentor and develop junior and semi-senior technical talent, **including training on effective and responsible use of AI-based coding assistants.** * Ability to delegate tasks and adapt the level of guidance according to team members’ experience. * Skill in managing technical disagreements and facilitating team decision-making. * Orientation toward building a collaborative, continuously learning, and quality-focused culture. *Preferred* * **Experience defining agentic workflows or development automations powered by AI models (e.g., coding agents, automated PR reviews, test generation).** * **Knowledge of prompt engineering best practices applied to development environments.** * AWS or Kubernetes certifications. **Additional Information** *Join a team driving innovation and working on high-impact projects. At Inetum, we value expertise and knowledge—and we want to help you take your career to the next level in a collaborative and dynamic environment.* *We offer an extensive training catalog covering technological competencies and certifications aligned with project and client requirements. Language training, with 12 language options available. Professional soft-skills training. Access to additional platforms such as Udemy and OpenWebinars.* *We offer customizable compensation, allowing you to choose among various benefits and tailor their distribution: health insurance, meal vouchers, childcare support, transport cards, and training allowances. Life insurance is also included as part of your benefits package. Additionally, you’ll enjoy group-wide advantages, including discounts on various products and services.* *The contract is permanent, with flexible office hours and the possibility of remote work to best balance your personal and professional life. We provide stability and an excellent work environment, composed of top professionals in Intelligent Information Management.* *We offer an attractive professional career path based on your experience and personal potential, within a continuously evolving company demonstrating solid growth.*