Senior Java Back-end Developer

We are convinced that outside is exciting, relaxing and inspiring. It's versatile, for some it is a place to relax, for others it is the ultimate challenge. A place to enjoy and where big and small moments come together. It's a place to be discovered or to be recognized. But the outdoors can also be treacherous and unpredictable. Weather and terrain can surprise you. Our mission is to enable all people to spend inspiring and epic moments outside. Yonderland is a European group of premium brands and retail concepts focused on outdoor. Including A.S. Adventure, JuMu, Bever, Cotswold, Snow+Rock, Runnersneed and Ayacucho. Yonderland runs over 190 shops in Belgium, Luxembourg, France, Great-Britain and The Netherlands and resides in Belgium.

• Design complex backend systems ensuring they are scalable, maintainable, and secure.
• Leading technical projects, making strategic decisions, and guiding the development team in best practices and technical standards.
• Ensure high code quality through rigorous code reviews, enforcing coding standards, and best practices.
• Identify performance bottlenecks and implement optimizations to ensure the system operates efficiently under load.
• Design and implement robust security measures to protect data and ensure compliance with industry standards and regulations.
• Mentor junior and mid-level developers, providing guidance, and fostering professional growth within the team.
• Collaborate with product managers, stakeholders, and other teams to ensure project requirements are met and delivered on time.
• Stay updated with the latest industry trends, technologies, and best practices. Propose and implement improvements to the development process.

Do you have experience in Spring MVC?, * A mastery of Java, including advanced topics such as concurrency, memory management, and performance tuning.

• Deep expertise with Java frameworks such as Spring Boot, Spring MVC, Hibernate, and other relevant libraries.
• Extensive experience with relational databases (e.g., PostgreSQL, MySQL) and NoSQL databases (e.g., MongoDB, Cassandra). Proficiency in database design, optimization, and management.
• In-depth understanding of web technologies, HTTP and REST. Understanding of web security principles.
• Proficiency with development environments (e.g., IntelliJ IDEA), build tools (e.g., Maven), and version control systems (e.g., Bitbucket).
• Advanced knowledge in designing and maintaining APIs and microservices architecture. Knowledge of setting up asynchronous communication in AWS.
• Proficiency with testing frameworks like JUnit, Mockito, and integration testing tools.
• Familiarity with containerization (e.g., Docker) in a cloud native way (AWS EC2).
• Proven experience in building scalable systems, performance tuning, and managing large-scale distributed systems.
• Exceptional problem-solving abilities to diagnose complex issues and implement effective solutions.
• Excellent communication skills to articulate technical concepts to non-technical stakeholders and collaborate with cross-functional teams.
• Ability to mentor and coach junior and mid-level developers, fostering a collaborative and growth-oriented environment.
• Strategic mindset to align technical decisions with business goals and long-term vision.

• A versatile position with pronounced responsibility and variety in a strongly growing and innovative market leader, operating internationally with headquarters in Hoboken (Antwerp) and offices in the Netherlands and the UK.
• The IT organisation is a driving force to support the strong growth and you will help shape it.
• An open corporate culture where you can be yourself.
• You can count on a competitive gross monthly salary in proportion to your experience including the possibility of a company car supplemented by numerous fringe benefits such as meal vouchers, group and hospitalisation insurance, additional holidays, staff discount.
• Adventurous colleagues in an international and diverse team.
• The opportunity to participate in our bootcamps (showers available) and various team events twice a week during the lunch break.