senior java backend engineer java 21 spring boot

🚀 We’re hiring: COTS Solution Architect – Brussels Are you an experienced Solution Architect with a strong background in COTS implementation, integration, and enterprise architecture? Join a complex international IT environment where you will assess technical feasibility, design robust solutions, manage integration and migration risks, and help shape...

Job Role- Senior Java Developer Location - Brusseles, Belgium Experience - 10 +Years Job Description - e are looking for a Senior Backend / Data Platform Engineer to strengthen our squad and contribute to building a scalable, robust, and reusable platform. Key Responsibilities 1. Platform Development & Architecture Design and implement backend services...

Job Introduction Serco is a trusted partner of European Institutions and International Organisations, providing ICT services and Contact Centre management across Europe. Our expertise ranges from information systems support to consultancy services delivered under governmental frameworks, supporting key entities such as the European Commission and its...

Description de l'offre NTT DATA is looking for an API / SOA Developer Location: Belgium (Fully Remote Possible) Contract Type: Freelance or Permanent Languages Professional working proficiency in English (mandatory) Professional working proficiency in Dutch and/or French (mandatory) About the Role We are looking for API / SOA...

For one of our business partners, we are looking for a Architect (m/f/n) to support a project delivered for a European Union institution based in Brussels.OfferB2B contractLocation: hybrid (remote work combined with on-site presence in Brussels, relocation required)Rate: We are open to your rate expectations (EUR/MD net VAT)The project concerns the...

Job descriptionJoin Faktion, a leader in designing and developing enterprise-level AI solutions across various sectors. We are at the forefront of machine learning and artificial intelligence, creating innovative solutions that drive the future.We are looking for a Senior Java Engineer to join our dynamic team, provide technical leadership. As we are...

Key Responsibilities Define and maintain enterprise architecture, technology roadmaps, and engineering standards. Lead architectural design and provide governance across multiple applications and technology platforms. Review and approve solution designs, technical specifications, and integration approaches. Drive architecture decisions related to...

Contribute to the major transformations of companies and public actors by combining technological innovation and business expertise, serving our society and customers to help them move forward sustainably.Your responsibilities for this function :We are looking for a Senior Full‑Stack Java Developer to join our client’s development team and take a key...

We currently have a vacancy for an Application Architect fluent in English, to offer his/her services as an expert who will be based in Brussels, Belgium. The work will be carried out either in the company's premises or on site at customer premises. In the context of the first assignment, the successful candidate will be integrated in the Development team of...

Voor onze Business Unit Social zijn we op zoek naar een senior Java en Angular ontwikkelaar die mee wil bouwen aan moderne en performante toepassingen. Je speelt een sleutelrol in de verdere uitbouw en het onderhoud van ons bestaande ecosysteem die zich richt op het bedienen van de sociale diensten bij de OCMW’s.Je komt terecht in een team van...

Every day, billions of financial transactions move through the world's banking system. Fraud hides in that data. Compliance failures lurk in it. Operational risks surface in it - often too late. Vyntra exists to change that. We're a global leader in real-time transaction intelligence, trusted by over 130 financial institutions across 60+ countries - from...

Company DescriptionAbout InetumInetum is a European leader in digital services. Every day, the Group's 28,000 consultants and specialists aim to make a digital impact for businesses, public sector bodies and society as a whole: solutions that contribute to performance, innovation and the common good. Present in 19 countries, close to the regions, and with...

General information Publication date 01/06/2026 Category OPERATIONS - ENGINEERING/PRODUCTION Job title Java developer Contract Fixed term contract Job description As part of the development of one of our clients, we are looking for a...

Job descriptionitsme® has fundamentally changed how people lead their digital lives in Belgium, but we are not stopping there! Do you want to be a driving force to help expand on this success story as part of a talented team that is making a positive impact on society? Then keep on reading, you’ll probably like what you’ll see.We are itsme®, one of...

Job descriptionadesso Belgium, who are we? We are an IT (start-up) provider working under the adesso umbrella with proven track record in different industries. The new Belgian entity of adesso is part of the expansion and growth strategy of the adesso group. With more than 10.000 employees spread over 60 locations we are entering an exciting period with our...

Junior Full-Stack Developer (Angular / Spring Boot / Flutter) Role Overview We are looking for a Junior Full-Stack Developer to support the development of a digital platform for managing transport authorization requests and inspections. The project aims to modernize administrative processes, centralize transport data, and provide secure real-time access...

Senior Java Developer We are looking for a Senior Java Developer with at least 7 years of experience to support the modernization of existing Java applications. You will play a key role in migrating applications from GlassFish 2/3/4 to Payara 5, while ensuring stability, performance, and compatibility across the application landscape. Key...

AI Engineering Lead About The Role Are you the kind of engineering leader who sees AI as a strategic capability across the entire technology landscape? As an AI Engineering Lead at Blue Harvest, you operate at the intersection of software engineering, data, AI, and cloud platforms—driving end‑to‑end solutions for leading enterprises...

We are hiring an experienced Backend Search Developer to advance the core of our e-commerce platform. You will join a dedicated search team responsible for creating robust, high-performance search services. Your work will focus on building scalable solutions that ensure users can quickly and accurately find the products and information they are looking...

We are seeking a Senior Java Developer to support the development and enhancement of a web-based regulatory platform related to environmental compliance and certification.The role involves working within a structured Agile environment on a mission-critical digital application serving multiple stakeholders.Requirements· Design and develop Java-based web...