Freelance Senior Java Full-Stack Developer

ppbadesso Belgium, who are we? /b We are an IT (start-up) provider working under the adesso umbrella with proven track record in different industries. bThe new Belgian entity of adesso /b 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 presence in Brussels, the capital of Europe. /p pWe are looking forbexperienced freelance Java developers /bto join our talent pool for upcoming projects with our customers in Belgium. /p br/ h3Your role /h3 pIn this consultant role, you will combine strategy with execution. You are both a visionary and a doer: from architecture and code reviews to implementation and deployment. /p ul lipYou translate requirements and architecture into technical designs and working software. /p /li lipYou are responsible for designing, building, testing, and maintaining full-stack software solutions. /p /li lipYou implement automated tests as a standard part of every development effort. /p /li lipYou build robust backend components in Java and Spring Boot, and develop corresponding front-end components in Angular, react or vue. /p /li lipYou introduce new ideas and best practices and use state-of-the-art technology /p /li lipYou set up REST APIs according to OpenAPI specifications and ensure stable integration with other systems. /p /li lipYou work with modern CI/CD pipelines (Jenkins, Docker, Kubernetes/OpenShift) and safeguard code quality through test automation. /p /li lipYou work independently alongside functional analysts who provide the requirements, alongside developers, architects and designers within an Agile scrum team. /p /li lipYou continuously align your work with the team and communicate progress and technical choices in a transparent, structured way. /p /li lipYou present your solutions to customers and stakeholders, process feedback, and defend well-founded technical choices. /p /li lipYou don't code alone: AI is your daily pair-programming partner, and you know how to wield tools like GitHub Copilot to write cleaner code faster, catch bugs before they hatch, and spend your brainpower on the architecture decisions that actually need a human. /p /li /ul h3Required Skills Knowledge: /h3 pJava (10+ years) / Kotling
- Spring Boot
- JPA/Hibernate
- REST
- OpenAPI
- Git
- Jenkins
- Maven
- Docker
- Kubernetes/OpenShift
- Postgres
- Message Broker (e.g. ActiveMQ)
- Angular, among others /p h3Your profile /h3 ul lipYou hold a bachelor's or master's degree in computer science, engineering, or equivalent through experience. /p /li lipYou have at least 5 years of professional experience as a Java developer. /p /li lipYou have a strong passion for building high-quality digital solutions and the ability to convince both customers and colleagues. /p /li lipYou are flexible, work in a structured way, and can quickly adapt and integrate within an Agile team. /p /li lipYou have knowledge of modern software architectures (microservices, event-driven, cloud-native). /p /li lipYou have strong, demonstrable experience with Spring Boot, JPA/Hibernate, Jenkins, Maven, Docker, Kubernetes/OpenShift, Postgres, and message brokers. /p /li lipIf you've ever tamed a stream of Kafka topics without losing a single message (or your sanity), we want to hear about it
- Kafka experience is a big plus. /p /li lipExperience with a complex project, Domain Driven Design/Clean Code/TDD, BPMN CMMN, OAuth2, or GitHub Copilot is a strong asset /p /li lipBonus points if Apache Camel feels like second nature to you
- routing messages between systems without breaking a sweat is exactly the kind of integration wizardry we're after. /p /li lipProficiency with CI/CD, version control (Git), test automation, and monitoring too /p /li lipYou can communicate fluently in French or Dutch (active proficiency), and in English. /p /li /ul h3Why join adesso Belgium? /h3 ul lipWork in an binternational group /b with strong local expertise in Belgium. /p /li lipCollaborate with cross-functional teams within the binternational data AI adesso community /b. /p /li lipFlexible freelance setup with the support of a growing adesso Belgium community. /p /li /ul /p