Senior Java Developer (Spring / Microservices) | Energy

WHO WE ARE Etinars is a values-focused company with multi-year experience, specialised in the recruitment of professionals for niche markets, managing the full life-cycle of specialist and executive-level hires. At Etinars, we genuinely care about who you are and what you need. We place great emphasis on fostering robust, enduring connections built upon trust and transparency. Our approach ensures a swift journey, leading you hand in hand towards signing your next career step. WHAT WE ARE LOOKING FOR Senior Java Developer (Spring / Microservices) | Energy Join our client’s international Information Systems team, supporting business-critical risk management solutions in a fast-moving B2B environment. You will contribute to the design and delivery of reliable, scalable software used to support operational and decision-making processes. You will be part of a context where digital platforms support the transition towards more sustainable, low-carbon operations by enabling reliable and efficient services at scale. The focus is on delivering high-quality software that strengthens risk management capabilities in a large B2B setting, where stability, performance, and technical excellence are key. In this role, you will work 2 days per week onsite in Brussels and the rest remotely, collaborating closely with multidisciplinary stakeholders and technical teams in an international setting. We are looking for a motivated Senior Java Developer with 7+ years of experience, strong foundations in modern Java and Spring, and the confidence to take ownership of critical components while mentoring other developers and driving technical excellence. For this role, relocation to Brussels (Belgium) is mandatory for candidates living far from the area, or the ability to commute regularly. Language: French or Dutch (B2 or more) + English (B2 or more) is required due to daily interactions with teams and stakeholders. YOUR TASKS You will work on a risk management software platform. Your responsibilities will include: Collaborate with business and technical stakeholders to refine requirements and align solutions with business goals Design and implement scalable applications following best practices and clean architecture principles Lead the development of critical components and ensure timely delivery Mentor developers and contribute to a culture of continuous learning and code quality Maintain high standards through code reviews, testing, and documentation Troubleshoot and resolve production issues to ensure system reliability and performance Keep up to date with Java technologies and propose improvements/innovations when relevant YOUR SKILLS AND EXPERIENCE Bachelor’s or Master’s degree in Computer Science, Software Engineering, or a related field Minimum 7 years of professional experience in Java development Strong expertise in: Java 11/17 Spring Framework (v5+), Spring MVC REST API design and microservices architecture Front-end frameworks (Vue.js preferred) and responsive HTML/CSS Cloud deployments on Microsoft Azure, Azure DevOps, and CI/CD pipelines Familiarity with Agile methodologies and DevOps practices Excellent problem-solving skills, communication, and a collaborative leadership mindset EXTRA INFORMATION Location: Brussels, Belgium, relocation is mandatory for candidates living far from the area, or the ability to commute regularly. Work location: Hybrid - 2 days onsite, 3 days remote Start: ASAP, ideally by 02/03/2026 Contract: 1 year (extendable by +1 +1 years, for a maximum of 3 years) Languages: Fluent in French or Dutch (B2 or more), with excellent English (B2 or more) Eligibility: EU Citizens, or Non-EU Citizens already based in the EU with a valid work permit Once we receive your CV, we will take the time to evaluate it carefully. Should there be a match for this or any other position at Etinars, we will be in touch. Etinars is committed to supporting a Diverse and Inclusive Community. If you meet the minimum criteria for the job, you will be given the opportunity to demonstrate your abilities at an interview.