Full-Stack Engineer (Java) - Remote Opportunity

uni-systemsRemote — Brussels, Brussels, Belgium

Remote Full-time

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Qualifications

The ideal candidate should possess:Proficiency in Java and experience with modern frameworks. Strong understanding of front-end technologies such as HTML, CSS, and JavaScript. Experience with databases and cloud services. Excellent problem-solving skills and ability to work independently. Strong communication skills and a passion for technology.

About the job

We are seeking a talented and motivated Full-Stack Engineer specializing in Java to join our dynamic team. In this fully remote role, you will be responsible for developing and maintaining web applications, contributing to all phases of the development lifecycle from conception to deployment.

Your expertise in both front-end and back-end technologies will be crucial in delivering high-quality software solutions that meet our clients' needs. Collaborating with cross-functional teams, you will help shape the future of our products.

About uni-systems

uni-systems is a forward-thinking technology company dedicated to delivering innovative solutions that empower businesses. With a focus on collaboration and continuous improvement, we foster a culture that values creativity and excellence.

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Java Fullstack Developer at uni-systems | Remote

uni-systems

Full-time|Remote|Remote — Brussels, Brussels, Belgium

Join uni-systems as a Java Fullstack Developer and play a pivotal role in shaping innovative software solutions. In this fully remote position, you will leverage your expertise in both frontend and backend technologies to deliver high-quality applications that meet client needs.As part of our dynamic team, you will be responsible for developing robust and sc…

Mar 26, 2026

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Professional Front-end Developer at Uni Systems | Remote

Uni Systems

Full-time|Remote|Remote — Brussels, Brussels, Belgium

Uni Systems is expanding its remote team in Brussels and seeks a Professional Front-end Developer. This position centers on building digital solutions and collaborating with colleagues on enterprise-scale projects. Role overview The Professional Front-end Developer will work on designing and developing scalable website frameworks and software. The team values practical solutions and close cooperation across various projects. What you will do Design and implement website frameworks and software that can adapt as requirements grow. Develop user-facing features with a focus on usability and responsive design. Create and document APIs (REST and SOAP), and assist with backend business logic. Set up and manage server environments, databases, and components for large applications. Analyze data, build models, and apply security and data protection standards. Join technical design sessions and architecture reviews with the team. Maintain code quality, introduce automation, and resolve technical issues. Write technical documentation and communicate effectively with both technical and non-technical team members. Location This is a remote role. The team is based in Brussels, Belgium.

Apr 27, 2026

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Solutions Architect at Uni Systems | Remote

Uni Systems

Full-time|Remote|Remote — Brussels, Brussels, Belgium

At Uni Systems, we are dedicated to transforming digital visions into tangible solutions. As we continue to expand, we are seeking a Solutions Architect to become a vital member of our UniQue team.Key Responsibilities:Conduct thorough analysis for the integration of diverse information systems.Engage in data analysis and modeling to ensure robust architecture.Oversee the implementation of technical architecture and provide guidance on best practices.Serve as the technical liaison among project leaders and developers.Develop and maintain comprehensive software architecture documentation.Participate actively in technical working groups, progress meetings, and user consultations.Support various phases of testing, analysis, deployment, evaluation, and reporting.Design and create blueprints for Cloud Architecture.Evaluate existing system architectures for potential cloud migration.Design and develop architectural components using cloud technologies.Establish and uphold architecture standards and design principles across development teams.Lead the design of cloud-native and hybrid architectures, including migration strategies from on-premise systems.Direct architecture reviews, risk assessments, and technical governance processes.Provide guidance on API strategy, service contracts, versioning, and lifecycle management.Define and oversee data architecture including modeling, data flows, and consistency strategies.

Apr 2, 2026

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Senior Backend Developer at Uni Systems | Brussels

Uni Systems

Full-time|On-site|Brussels, Brussels, Belgium

At Uni Systems, we are dedicated to transforming digital visions into tangible realities. Our continuous growth has led us to seek a Senior Backend Developer to join our dynamic UniQue team.Key Responsibilities:Architect, develop, and sustain highly scalable back-end web applications.Seamlessly integrate front-end components with server-side logic.Develop and implement core business logic and APIs.Design and oversee databases, servers, and secure data storage solutions.Uphold application security, data integrity, performance, and scalability.Maintain high standards of code quality, ensuring clean and efficient code.Diagnose, test, debug, and optimize applications to enhance functionality and performance.Contribute to system architecture and software design, taking a technical lead on projects as needed.

Mar 4, 2026

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Data & Business Analyst at Uni Systems | Remote

Uni Systems

Full-time|Remote|Remote — Brussels, Brussels, Belgium

Join Uni Systems, where we are dedicated to transforming digital visions into tangible results. As we continue to expand, we are in search of a talented Data & Business Analyst to become a vital part of our UniQue team.In this pivotal role, you will be responsible for:Conducting in-depth analyses of business processes and user requirements to establish precise data specifications.Engaging with end-users, key users, and technical teams to ensure seamless communication.Translating business needs into insightful reports and visualizations through comprehensive data analysis.Establishing and maintaining data quality standards to guarantee the accuracy, consistency, and reliability of our data.Collaborating with stakeholders to identify and resolve data quality concerns.Supporting the go-live phase of validated solutions.Sharing your knowledge and expertise with our internal consulting team.Creating test plans and scenarios aligned with business specifications.Facilitating clear communication between technical and non-technical stakeholders to align on business needs and data requirements.Assessing the effects of changes in business processes on the data warehouse.Working with stakeholders to manage change requests, ensuring alignment with overall business and data strategies.Conducting demonstrations of reports and dashboards for relevant parties.Organizing workshops with stakeholders to foster collaboration.Partnering closely with data architects and database developers to design data models that meet business objectives.Translating business requirements into actionable business cases, detailing the As Is vs To Be and providing a Fit-Gap analysis.Collaborating with business users and technical teams to gather and document data necessities.Advising customers on selecting the most effective solutions to enhance their daily operations.Documenting functional specifications clearly for the development team.Ensuring that all documentation is current and accessible to stakeholders.Testing and validating proposed reports and dashboards to ensure they accurately reflect data from source systems.

Feb 19, 2026

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Full-Stack Developer at Uni Systems | Remote

Uni Systems

Full-time|Remote|Remote — Brussels, Brussels, Belgium

At Uni Systems, we are dedicated to transforming digital visions into tangible realities. As we continue to expand, we are seeking a talented Full-Stack Developer to join our innovative UniQue team.Key Responsibilities:Design, develop, and maintain robust full-stack web applications, focusing on both front-end architecture and back-end services.Implement core business logic to create scalable, secure, and responsive applications.Develop and manage APIs, databases, and server-side components to enhance application functionality.Design and maintain data models and processing pipelines, ensuring efficient analysis and optimization.Contribute to system architecture and collaborate on designing scalable, high-performance solutions.Write clean, efficient, and well-structured code, maintaining code integrity and organization.Conduct testing, debugging, and troubleshooting with an emphasis on automation and continuous improvement.Collaborate with business analysts, stakeholders, and technical teams to fulfill business and technical requirements.Create technical documentation and deliver presentations to both technical and non-technical audiences.Support integration with external systems and coordinate with infrastructure teams as needed.Lead or contribute to projects, providing technical guidance as necessary.

Mar 19, 2026

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Cybersecurity Analyst at Uni Systems | Brussels, Belgium

Uni Systems

Full-time|On-site|Brussels, Brussels, Belgium

Join Uni Systems, where we are dedicated to transforming digital dreams into reality. We are expanding our team in Brussels, Belgium, and we are in search of a skilled Cybersecurity Analyst to become part of our UniQue team.Your Contributions to the TeamSecurity Monitoring & DetectionDevelop and evaluate detection rules within Splunk and Splunk Enterprise Security.Adapt existing rules to align with the organization’s specific environment.Reduce false positives in alerts for enhanced accuracy.Investigate the use of automated security tools (SOAR) for improved monitoring capabilities.Assess security alerts and investigate any suspicious activities.Escalate verified threats to the incident response team and assist in the investigation process.Documentation & Process SupportCreate and update SOC playbooks, operational procedures, and log collection protocols.Oversee changes in a systematic and organized manner.Collaboration & SupportPartner with other teams to enhance cybersecurity monitoring and implement best practices.Offer advice on endpoint, network, and cloud security measures.

Mar 5, 2026

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Integration Engineer - Transforming Digital Visions at Uni Systems

Uni Systems

Full-time|On-site|Brussels, Brussels, Belgium

At Uni Systems, we are dedicated to bringing digital visions to life. As we continue to expand, we invite a talented Integration Engineer to join our dynamic UniQue Brussels team.Your Contributions to the Team:Develop, strategize, and execute integration strategies and patterns within a secure JEE/HTTP ecosystem.Utilize best practices from distributed architecture to address intricate integration challenges among diverse information systems.Create, implement, and document secure APIs to be showcased on a public-facing API Gateway.Design and document business events for efficient production on a corporate event-streaming platform, enabling seamless consumption by various systems.Plan, implement, and deploy workflows, defining business processes and tasks based on APIs and business events.Operate within a container-based infrastructure.Engage in the development of microfrontends.

Apr 1, 2026

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Experienced Business Analyst at Uni Systems | Brussels, Belgium

Uni Systems

Full-time|On-site|Brussels, Brussels, Belgium

Uni Systems is growing its Brussels team and looking for an experienced Business Analyst. This role focuses on shaping digital solutions for clients and supporting project delivery from analysis through execution. What You Will Do Analyze and document business requirements in detail. Study and model business processes for clarity and improvement. Assess functional requirements and help build strong business cases. Perform risk analysis to spot potential project issues early. Support the creation of business cases and contribute to the project's strategic direction. Assist with managing project timelines, schedules, and methodologies. Review project deliverables to confirm quality and alignment with objectives. Participate in team meetings to encourage collaboration and clear communication. Contribute to project support office tasks, including planning, risk identification, and issue management. Develop stakeholder maps and adoption dashboards to aid communication. Create reports that track project adoption and performance. Location This position is based in Brussels, Belgium.

Apr 14, 2026

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Full Stack Developer - Join Our Innovative Team

uni-systems

Full-time|Remote|Remote — Brussels, Brussels, Belgium

Are you a passionate Full Stack Developer looking to take your career to the next level? At uni-systems, we are seeking a talented individual to join our dynamic team remotely from Brussels. You will work on exciting projects, developing innovative solutions that impact our customers positively.

Mar 20, 2026

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Enterprise Architect at Uni Systems | Brussels, Belgium

Uni Systems

Full-time|On-site|Brussels, Brussels, Belgium

At Uni Systems, we are dedicated to transforming digital visions into reality. Our team is rapidly expanding, and we're eager to welcome a skilled Enterprise Architect to our vibrant team in Brussels, Belgium.The Enterprise Architect will play a crucial role in evaluating and enhancing the architectural framework of systems within the Jobs and Skills sector. This position will ensure compliance with institutional IT governance, oversee system development, and serve as a communication conduit between internal IT teams and external development partners. Additionally, you will provide essential support to the project manager by leveraging your product expertise.What will you contribute to our team?Recommend and document architectural enhancements, focusing on the reuse of existing components and foundational building blocks.Facilitate alignment between business requirements and system architecture through comprehensive documentation, engaging presentations, and collaborative workshops.Evaluate technical analyses from external development teams and offer informed recommendations to the project manager.Identify synergies with other IT systems and propose innovative architectural solutions.Assist the project manager in making informed IT development and architecture decisions.Analyze potential risks and issues, proposing effective mitigation strategies.Collaborate closely with architects, business analysts, stakeholders, project managers, and external teams.

Feb 17, 2026

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Senior Data Scientist at Uni Systems | Remote

Uni Systems

Full-time|Remote|Remote — Brussels, Brussels, Belgium

At Uni Systems, we are dedicated to transforming digital visions into tangible realities. As we continue to grow, we are seeking a Senior Data Scientist to become a vital part of our innovative UniQue team.Key Responsibilities:Gather business requirements and design advanced data mining solutions, while evaluating and implementing existing data mining, machine learning, and business intelligence tools.Specify and design user-friendly presentation interfaces that optimize usability and user experience.Identify, gather, convert, and refresh various data types and sets from multiple sources (e.g., ETL processes).Develop data models tailored to specific problem statements.Engage in scripting and programming tasks.Contribute to the design and execution of analytics architecture, including considerations for performance, physical design, and capacity.Document processes and collaborate with other project teams to manage interdependencies.

Dec 4, 2025

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Full-Stack Engineer (Java) - Remote Opportunity

uni-systems

Full-time|Remote|Remote — Brussels, Brussels, Belgium

We are seeking a talented and motivated Full-Stack Engineer specializing in Java to join our dynamic team. In this fully remote role, you will be responsible for developing and maintaining web applications, contributing to all phases of the development lifecycle from conception to deployment.Your expertise in both front-end and back-end technologies will be crucial in delivering high-quality software solutions that meet our clients' needs. Collaborating with cross-functional teams, you will help shape the future of our products.

Mar 26, 2026

Apply

Enterprise Architect at Uni Systems | Brussels, Belgium

Uni Systems

Full-time|On-site|Brussels, Brussels, Belgium

At Uni Systems, we are dedicated to transforming digital aspirations into tangible outcomes. Our growth journey continues, and we are seeking a talented Enterprise Architect to become a vital part of our UniQue team.Key Responsibilities:Engage in the agile development process, making informed decisions regarding priorities, business value, and functionalities for the agile development team.Assess and validate requirements in collaboration with relevant data space stakeholders.Design solutions that integrate IT tools with business process enhancements, leveraging an extensive understanding of specific data spaces and initiatives.Participate in decision-making for scheduling user stories into sprints.Conduct reviews of deliverables and demonstrate product versions/software functionalities at the conclusion of each sprint.Facilitate live product demonstrations post-sprint.Oversee and enhance progress reporting mechanisms.Support both internal and external communications by fostering transparency and effective information dissemination.Help prioritize and resolve defects and bugs.Collaborate with business analysts, architects, stakeholders, project leaders, and developers.

Feb 12, 2026

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Cybersecurity Specialist

Uni Systems

Full-time|On-site|Brussels, Brussels, Belgium

At Uni Systems, we are dedicated to transforming digital aspirations into reality. As we continue to expand, we are seeking a passionate Cybersecurity Specialist to join our innovative UniQue team.Responsibilities:Analyze security alerts to pinpoint potential suspicious activities.Escalate verified threats for further remediation.Assist in investigations of incidents.Create Security Operations Center (SOC) playbooks and operational protocols.Support other departments with cybersecurity monitoring efforts.Help shape the development of security policies, standards, and guidelines.Engage in market research, product evaluations, and technical studies.Promote user awareness and lead cybersecurity training initiatives.Contribute to the architectural design of security systems.Deploy security configurations across various IT components.Oversee and maintain corporate ICT security solutions (e.g., endpoint protection platforms, PKI infrastructure).Utilize security assurance tools and platforms.Conduct proactive threat hunting to detect potential security risks.Monitor, detect, and analyze security events effectively.Take part in incident response activities.

Mar 6, 2026

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Experienced SharePoint Specialist

Uni Systems

Full-time|On-site|Brussels, Brussels, Belgium

At Uni Systems, we are dedicated to transforming digital visions into reality. Our team is expanding, and we are searching for a skilled SharePoint Specialist to join our dynamic team in Brussels, Belgium.Your contributions will include:Designing, implementing, and maintaining SharePoint Online sites for various units within European Institutions.Analyzing and crafting collaboration solutions tailored to specific units or overarching needs utilizing the M365 suite and Power Automate.Creating training materials and delivering engaging training sessions in both in-person and hybrid formats to enhance the understanding of the M365 package.Documenting and analyzing information architecture to optimize content accessibility.Providing ongoing assistance in drafting and updating data and content on the SharePoint sites of European Institutions.Collaborating closely with business analysts, clients, users, project leaders, and developers.Designing, implementing, and maintaining automation solutions via Power Automate.

Feb 25, 2026

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IT Service Management Specialist

Uni Systems

Full-time|On-site|Brussels, Brussels, Belgium

Role overview Uni Systems is seeking an IT Service Management Specialist based in Brussels. The position supports information systems service management and serves as a key connection between project teams and service support. The main goal is to maintain high service quality and ensure users can access the resources they need. Main responsibilities Coordinate communication between project teams and service support staff. Set up, organize, and maintain IS Support operations. Supervise service management processes for information systems. Provide users with information and resources, including managing information sites. Track and process user requests in a timely manner. Participate in meetings with users, service teams, and project groups to keep everyone aligned. Guide users in using financial information systems. Monitor service quality and look for ways to improve it. Manage incidents related to information systems and oversee related reporting. Create and organize user documentation for information systems. Keep the Knowledge Database up to date and accurate. Location This role is based in Brussels, Belgium.

Apr 27, 2026

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Java Fullstack Developer (m/f) at ARHS Group | Brussels

ARHS Group

Full-time|On-site|Brussels

Join the dynamic team at ARHS Group, a proud member of Accenture, where we are seeking a skilled Java Fullstack Developer to enhance our capabilities in Brussels, Belgium.Key Responsibilities:Develop robust applications using Java with a focus on the Spring framework or JEE.Write high-quality, testable, and efficient code while following best practices in software development.Utilize strong database skills and proficiently handle SQL queries.Embrace a DevOps mentality to streamline processes.Implement and work with microservices architectures.Use testing frameworks and tools to ensure application reliability.Adapt to Agile methodologies including Scrum, Jira, Confluence, code reviews, and user story development.Collaborate with cross-functional teams to deliver high-quality software solutions.Propose innovative solutions and demonstrate a proactive attitude.Maintain a results-oriented approach to achieve project objectives.Fluency in English and French is essential.A willingness to engage in full-stack development with experience in Angular considered a plus.At ARHS Group, we value collaboration, learning, and building strong relationships with our clients, colleagues, and communities. We offer flexible working arrangements to meet your work/life needs while encouraging in-person interactions.

Mar 20, 2025

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Cybersecurity Engineer

Uni Systems

Full-time|On-site|Brussels, Brussels, Belgium

At Uni Systems, we are dedicated to transforming digital aspirations into tangible outcomes. Our team is expanding, and we are in search of a skilled Cybersecurity Engineer to become a vital member of our UniQue team in Brussels or Luxembourg.Your Contributions to the Team:Design, Implementation, and Management of Cybersecurity Solutions:Oversee the implementation and management of event log management and analytics platforms, notably Splunk Enterprise and Cribl Stream Enterprise.Manage and maintain incident management and response tools, deployed within containers using HashiCorp Nomad.Execute change management processes in a structured manner to minimize disruption.Conduct regular reviews, updates, and optimizations of all cybersecurity solutions for which you are accountable.Collaborate on all facets of cybersecurity design, deployment, and operations under the mentorship of the Head of Service.Documentation:Compose detailed design documentation for all implemented solutions.Establish and maintain standard operating procedures (SOPs) and technical guidelines.Team Collaboration and Communication:Engage closely with management and various ICT operations teams (network, datacenter, applications) to ensure timely and effective solution implementations.Ensure that cross-team requirements are integrated into all cybersecurity initiatives.Proactively escalate any potential issues that may compromise organizational cybersecurity or impede solution deployment.

Mar 6, 2026

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Senior Product Owner

Uni Systems

Full-time|On-site|Brussels, Brussels, Belgium

Uni Systems is seeking a Senior Product Owner to join the UniQue team in Brussels. This position plays a central role in shaping digital products and guiding their delivery, working closely with both business and technology partners. Role overview The Senior Product Owner serves as the main decision-maker for product priorities, business value, and feature definition within an Agile team. Collaboration with stakeholders is key, ensuring business needs are understood and translated into actionable user stories and acceptance criteria. What you will do Prioritize the product backlog, focusing on business value and return on investment. Work with stakeholders to clarify needs and define clear user stories and acceptance criteria. Recommend solutions that combine IT tools with business process improvements. Participate in Scrum ceremonies, such as sprint planning and reviews. Organize product demos and support business acceptance of delivered features. Monitor adherence to testing standards, report progress, communicate updates, and assist in resolving defects. Support project governance, including planning, risk management, stakeholder mapping, and reporting. Requirements Experience acting as a Product Owner within Agile teams. Strong ability to manage and prioritize a product backlog. Skilled in translating business needs into user stories and acceptance criteria. Comfortable working with both business and technology stakeholders.

Apr 24, 2026

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Full-Stack Engineer (Java) - Remote Opportunity

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About uni-systems

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