SENIOR JAVA & KOTLIN WEB DEVELOPERS (NL + ENG)

Founded in in Belgium, ATS4IT is part of the Moongy Group, established to strengthen agap2IT’s presence in Europe.
Since we expanded further with the opening of our Danish branch in Copenhagen, and our Spanish brand in Madrid, reinforcing our commitment to being a key player in the European technology landscape.
Proximity, transparency, and collaboration define our approach at ATS.
We aim to be your trusted partner and the first choice for your technological challenges Position.
Senior Java & Kotlin WEB Developers  Location.
Brussels, Belgium Hybrid.
2-3 times a week on the client´s office Candidates must possess European nationality or a valid work permit for Belgium Mandatory Languages.
One of the national languages (Dutch and French) must be the mother tongue, and the other language must be understood and readable Role Overview We are seeking an experienced Senior Java and Kotlin Developer for Web to join our innovative team.
In this role, you will play a pivotal part in designing, developing, and maintaining cutting-edge web applications that will drive our business forward.
Your expertise in Java and Kotlin will be crucial as you contribute to both backend and frontend development activities, ensuring seamless integration and optimal performance of our web services.
Responsibilities - Design, develop, test, and maintain scalable web applications using Java and Kotlin.
- Collaborate with product managers and UX/UI designers to create user-friendly interfaces and improve overall user experience.
- Implement RESTful and GraphQL APIs that adhere to best practices and security standards.
- Conduct code reviews and provide constructive feedback to junior developers to promote growth and maintain high coding standards.
- Optimize application performance and troubleshoot issues in a timely manner, ensuring minimal downtime and disruption.
- Stay up-to-date with emerging technologies and industry trends to proactively suggest improvements in the development process.
- Participate in Agile ceremonies, including sprint planning, daily stand-ups, and retrospectives, to ensure team alignment and productivity.
Must-Have Skills - Bachelor's degree in Computer Science, Software Engineering, or a related field; a Master's degree is a plus.
- At least 5 years of professional experience in Java and 8 years in Kotlin development for web applications.
- Strong understanding of web technologies, frameworks, and design patterns, including Spring and Angular.
- Experience with microservices architecture and cloud platforms such as AWS or Azure.
- Proficient in version control systems, preferably Git, and CI/CD practices.
- Proficiency in Domain-Driven Design (DDD) and Test-Driven Development (TDD).
- Excellent problem-solving skills and ability to work under pressure in a fast-paced environment.
- Strong communication skills and proven ability to work collaboratively in a team-oriented setting.
What We Offer - DKV Insurance - Free training (technical, behavioral, language) and certifications - Continuous and personalized career progression support - Opportunities to work on projects with cutting-edge technologies - Opportunity to work in a global network of companies, with access to a wide range of challenging projects in different European markets.
At ATS4IT, part of the agap2IT family, we promote equality and value diversity.
We foster a safe, inclusive environment where opportunities are equal for all.
We welcome applications from individuals of all backgrounds, based solely on merit.
Join us and be part of the future!