Founded in 2020 in Belgium, ATS4IT is part of the Moongy Group, established to strengthen agap2IT’s presence in Europe. Since 2021 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
.NET Full Stack Developer
Location: Brussels, Belgium
Work Model: Hybrid (2–3 days per week on-site)
Languages: Native French or Dutch + good command of the other national language + English (B2)
Contract Type: Long-term mission
Eligibility: Candidates must possess European nationality or a valid work permit for Belgium
NOTE: Due to the high volume of applications received, candidates who do not meet the specified criteria may not be contacted
We are seeking an experienced .NET Full Stack Developer to join our development team supporting large-scale digital transformation projects. The selected professional will work across both backend and frontend environments, building reliable, high-performance applications and ensuring seamless integration between systems. The role combines strong .NET backend expertise with solid front-end development skills, and an understanding of DevOps and modern software engineering practices.
Backend: C#, .NET Framework, .NET Core, Entity Framework, MVC, ASP.NET, REST APIs
Frontend: HTML5, CSS3, Bootstrap, JavaScript, TypeScript, Angular, NgRx, Node.js, jQuery
Databases: SQL, relational databases
Tools: Git, Azure DevOps, Jira
Practices: OOP, SOLID, dependency injection, unit testing, DevOps, CI/CD
Proven experience configuring NgRx for complex state management.
Experience designing and maintaining Azure DevOps pipelines.
Strong knowledge of ADFS authentication and authorization.
What We Offer:
Attractive salary based on your experience and skills.
Additional benefits: Meal vouchers and eco-vouchers (electronic), DKV hospitalization insurance, company laptop, holiday allowance, and year-end bonus.
Vacation: 20 paid leave days + 12 RTT days.
Free training (technical, behavioral, language) and certifications
Continuous and personalized career progression support
Opportunities to work on projects with cutting-edge technologie
At Moongy Group, we stand for equality and diversity. We create a safe and inclusive environment where opportunities are equal for everyone! We do not discriminate based on age, ethnicity, gender, disability, sexual orientation, or any factor other than merit. If you have the skills for the role, we encourage you to apply!
Founded in 2020 in Belgium, ATS4IT is part of the Moongy Group, established to strengthen agap2IT’s presence in Europe. Since 2021 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
DevOps Engineer
Location: Luxembourg
Work Model: (Hybrid – 3 days on-site, 2 days remote)
Languages: Excellent communication in English
Eligibility: a valid Luxembourg work permit is mandatory
NOTE: Candidates who do not meet the specified criteria may not be contacted
About the Role
This is a senior-level role requiring extensive experience in support, systems engineering, and DevOps practices. You will play a key part in ensuring stability, automation, and continuous improvement across infrastructure and application delivery pipelines.
Bachelor’s or Master’s degree in Computer Science or a related field.
At least 10 years of proven professional experience in a relevant domain (Support, System Engineering, or DevOps).
Strong expertise in Azure DevOps, including CI/CD pipelines and automation processes.
Excellent hands-on experience with Unix systems at a senior operational level.
Solid understanding of Java, including its runtime environment and operational behaviours.
Good knowledge of relational databases (SQL) and stored procedures.
Support and enhance DevOps pipelines and environments, ensuring reliability and scalability.
Collaborate with development, support, and infrastructure teams to streamline delivery processes.
Monitor, maintain, and troubleshoot systems, deployments, and runtime environments.
Automate operational tasks and contribute to continuous improvement initiatives.
Produce high-quality documentation and deliverables in English.
Ensure smooth operations within hybrid working constraints and on-site collaboration.
Attractive salary based on your experience and skills.
Additional benefits: Meal vouchers and eco-vouchers (electronic), DKV hospitalization insurance, company laptop, holiday allowance, and year-end bonus.
Vacation: 20 paid leave days + 12 RTT days.
Free training (technical, behavioral, language) and certifications
Continuous and personalized career progression support
Opportunities to work on projects with cutting-edge technologie
At Moongy Group, we stand for equality and diversity. We create a safe and inclusive environment where opportunities are equal for everyone! We do not discriminate based on age, ethnicity, gender, disability, sexual orientation, or any factor other than merit. If you have the skills for the role, we encourage you to apply!
Founded in 2020 in Belgium, ATS4IT is part of the Moongy Group, established to strengthen agap2IT’s presence in Europe. Since 2021 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
Integration Specialist
Location: Brussels, Belgium
Work Model: Hybrid (2–3 days per week on-site)
Duration: Long-term assignment (+1 year)
Languages: Excellent communication in French or Dutch, plus English
Eligibility: Candidates must possess European nationality or a valid work permit for Belgium
NOTE: Due to the high volume of applications received, candidates who do not meet the specified criteria may not be contacted
About the Role
We are looking for an experienced Integration Specialist to join a major digital transformation initiative starting in January. If you’re passionate about building robust service-oriented architectures, designing high-quality APIs, and working in a dynamic Agile environment, this role offers the opportunity to make a real impact within a large-scale, enterprise ecosystem.
Bachelor’s degree as a minimum.
At least 3 years of experience in a similar role (integration, SOA, API development).
Experience with Java or similar programming languages.
Strong understanding of SOAP, WSDL, WS-Security, REST principles.
Familiarity with API security and standards (OAuth2, JWT, Swagger).
Knowledge of SOA concepts, microservices architecture, and enterprise integration patterns.
Ability to interpret and transform XML and JSON (XSD, XPath, XQuery, XSLT).
Experience with enterprise integration tools such as:
Oracle Service Bus, Axway, DataPower, WebLogic, OBTM.
Comfortable with Git for version control.
Strong experience with testing tools:
Postman, SOAPUI, ReadyAPI.
Understanding of client frameworks like Axis2, CXF, .NET, JAX-WS RI, etc.
Experience with Agile collaboration tools (Jira, Confluence) and digital whiteboarding tools (Miro, Mural).
Exposure to CI/CD and monitoring stacks (Jenkins, Hudson, ELK).
Familiar with Agile and Scrum practices.
Understanding of project methodologies such as PMBOK or PRINCE2.
Knowledge of ITIL and enterprise architecture frameworks (e.g., TOGAF).
What We Offer:
Attractive salary based on your experience and skills.
Additional benefits: Meal vouchers and eco-vouchers (electronic), DKV hospitalization insurance, company laptop, holiday allowance, and year-end bonus.
Vacation: 20 paid leave days + 12 RTT days.
Free training (technical, behavioral, language) and certifications
Continuous and personalized career progression support
Opportunities to work on projects with cutting-edge technologie
At Moongy Group, we stand for equality and diversity. We create a safe and inclusive environment where opportunities are equal for everyone! We do not discriminate based on age, ethnicity, gender, disability, sexual orientation, or any factor other than merit. If you have the skills for the role, we encourage you to apply!
Founded in 2020 in Belgium, ATS4IT is part of the Moongy Group, established to strengthen agap2IT’s presence in Europe. Since 2021 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
JAVA Developer
Location: Brussels, Belgium
Work Model: Hybrid (2–3 days per week on-site)
Project Duration: 3 Years (Starting January 2st, 2026)
Languages: Native / C2 Level of English
Eligibility: Candidates must possess European nationality or a valid work permit for Belgium
NOTE: Due to the high volume of applications received, candidates who do not meet the specified criteria may not be contacted
4 - 6 years of professional experience in Java development (including Spring Boot and REST APIs).
Strong understanding of Microservice architecture and distributed systems.
Hands-on experience with Kubernetes, Docker, and CI/CD pipelines.
Experience with Angular (or another modern front-end framework).
Familiarity with cloud-native applications (Azure, AWS, or GCP).
Solid understanding of database systems, SQL, and ORM technologies
Experience with version control systems such as Git or SVN
Experience in greenfield development or large-scale transformation projects.
Familiarity with Reactive programming or Event-driven architectures.
Exposure to Agile/Scrum methodologies and tools like Jira or Confluence.
What We Offer:
Attractive salary based on your experience and skills.
Additional benefits: Meal vouchers and eco-vouchers (electronic), DKV hospitalization insurance, company laptop, holiday allowance, and year-end bonus.
Vacation: 20 paid leave days + 12 RTT days.
Free training (technical, behavioral, language) and certifications
Continuous and personalized career progression support
Opportunities to work on projects with cutting-edge technologie
At Moongy Group, we stand for equality and diversity. We create a safe and inclusive environment where opportunities are equal for everyone! We do not discriminate based on age, ethnicity, gender, disability, sexual orientation, or any factor other than merit. If you have the skills for the role, we encourage you to apply!
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