> Markdown version of [/jobs/ext/3944749-java-engineer](https://www.wearedevelopers.com/jobs/ext/3944749-java-engineer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Java Engineer - **Company:** Sii Uk - **Location:** Belgium - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Agile Methodology, Amazon Web Services, DevOps, Pair Programming, Site Reliability Engineering Practices, Test-Driven Development (TDD), Containerization, Docker, Microservices - **Published:** October 27, 2026 - **Apply:** https://sii-group.com/en-GB/job-application/23138?source= ## About the Role We are seeking a highly skilled Senior Java Engineer to join a collaborative Agile engineering team delivering scalable, cloud-native solutions. This role is ideally suited to an experienced engineer who is passionate about software craftsmanship, enjoys knowledge sharing, and thrives in a highly collaborative environment where pair programming is a fundamental part of the team's day-to-day way of working. Working within a modern engineering culture, you will help design, develop, and maintain high-quality applications using Java and AWS, while contributing to continuous improvement across development practices, automation, and delivery processes., * Significant experience working as a Senior Java Engineer, Software Engineer, or Developer within Agile delivery environments. * Demonstrable experience delivering production-grade applications using Java and AWS. * Proven track record of working within teams that utilise pair programming as a standard engineering practice. * Experience working across the full software development lifecycle. * Strong background in automated testing, continuous integration, and continuous deployment. * Ability to collaborate effectively with distributed teams and non-technical stakeholders. * Experience working within consultancy, enterprise, or large-scale technology environments would be advantageous. SKILLS REQUIRED Essential * Strong commercial experience developing enterprise applications with Java. * Solid hands-on experience working with AWS cloud services. * Proven experience implementing and maintaining CI/CD pipelines. * Strong understanding and practical application of Test-Driven Development (TDD). * Extensive experience with pair programming methodologies. * Comfortable working in a continuous pair programming environment on a daily basis. * Strong knowledge of Agile software development practices. * Excellent communication and collaboration skills. Desirable * Experience with microservices architectures. * Knowledge of containerisation technologies such as Docker and Kubernetes. * Experience with infrastructure-as-code approaches. * Exposure to DevOps and Site Reliability Engineering practices. * Experience mentoring and supporting other engineers. ## Description * Design, develop, and maintain robust, scalable applications using Java. * Build and deploy cloud-native solutions leveraging AWS services. * Participate in daily pair programming sessions as a core part of software delivery. * Collaborate closely with engineers, architects, product stakeholders, and delivery teams. * Champion engineering best practices including Test-Driven Development (TDD) and clean code principles. * Contribute to the design and implementation of CI/CD pipelines to enable efficient and reliable software delivery. * Support code reviews, technical discussions, and continuous improvement initiatives. * Troubleshoot, optimise, and enhance existing applications and services. * Promote a culture of collaboration, learning, and engineering excellence.