Frontend Software Developer jobs in Brussels – Browse 130 openings on RoboApply Jobs

Frontend Software Developer jobs in Brussels

Open roles matching “Frontend Software Developer” with location signals for Brussels. 130 active listings on RoboApply Jobs.

130 jobs found

1 - 20 of 130 Jobs
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Sopra Steria logoSopra Steria logo
Full-time|On-site|Brussels

Join our dynamic team at Sopra Steria as a Frontend Software Developer, where you will play a vital role in creating innovative and user-friendly web applications. We are looking for a passionate professional who is eager to work with the latest technologies and contribute to exciting projects that shape the future of digital solutions.

Jun 26, 2025
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Sopra Steria logoSopra Steria logo
Full-time|On-site|Brussels

Join our dynamic team as a Frontend Software Developer at Sopra Steria, where you will play a pivotal role in developing cutting-edge web applications. Your expertise in frontend technologies will help us deliver exceptional user experiences that transform the way our clients engage with technology.

Apr 24, 2025
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Sopra Steria logoSopra Steria logo
Full-time|On-site|Brussels

We are seeking a talented and innovative Frontend Software Architect to join our dynamic team at Sopra Steria in Brussels. In this pivotal role, you will lead the design and development of cutting-edge frontend solutions, ensuring optimal user experiences and high performance across all applications.Your responsibilities will include collaborating with cross-functional teams to define and implement architectural standards, guiding junior developers, and staying abreast of the latest industry trends and technologies. If you are passionate about frontend development and want to make a significant impact, we would love to hear from you!

Apr 24, 2025
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Sopra Steria Group logoSopra Steria Group logo
Frontend Software Architect

Sopra Steria Group

Full-time|On-site|Brussels

Join our dynamic team at Sopra Steria as a Frontend Software Architect in Brussels. We are looking for an innovative thinker with a passion for developing cutting-edge applications. In this role, you will lead frontend efforts for various projects, collaborating closely with cross-functional teams to design and implement user-centric interfaces.

Jun 26, 2025
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AppTweak logoAppTweak logo
Full-time|On-site|Brussels, Brussels, Belgium

Join our dynamic and innovative team at AppTweak as a passionate Frontend Developer, and help us scale new heights! In this role, you will collaborate closely with our backend developers to create seamless client-side logic, while also bridging the gap between visual elements and the server-side architecture.You will report directly to your Engineering Manager and work alongside a talented squad of developers. For more insights, check out our Tech Stack page!

Mar 26, 2026
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Altersolutions logoAltersolutions logo
Contract|On-site|Brussels

Join Altersolutions, a dynamic company at the forefront of GIS technology, as a GIS Developer specializing in both backend and frontend development, with a focus on R-Shiny applications. This is an exciting opportunity for a professional with a passion for geospatial data to contribute to innovative projects in Brussels.

Apr 7, 2026
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sia logosia logo
Full-time|On-site|Brussels

Join our dynamic team at sia as a Senior Software Developer in the vibrant city of Brussels. We are seeking a talented individual who is passionate about software development and eager to tackle challenging projects. In this role, you will collaborate with cross-functional teams to design, develop, and maintain high-quality software solutions that meet user needs. Your expertise will play a crucial role in enhancing our products and services while ensuring optimal performance and scalability.

Mar 27, 2026
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European Dynamics logo
Full-time|Remote|Remote — Brussels, Brussels, Belgium

Join our dynamic team at European Dynamics as a Frontend Application Architect! We are seeking a highly skilled professional fluent in English to provide expert services remotely. In this role, you will collaborate closely with the IT team of a prominent client, ensuring the delivery of high-quality solutions.Your ResponsibilitiesDesign and architect information systems, evaluate existing architectures, and develop essential architectural components and building blocks.Analyze the integration of diverse information systems, conduct data analysis, and create data models.Oversee the implementation of technical architectures, produce comprehensive software architecture documentation, and engage in technical meetings and user consultations.Provide support during testing phases, contributing to analysis, technical documentation, deployment, evaluation, and reporting.Design and develop software components using modern Web 2.0 frameworks (Bootstrap, jQuery, Angular, Kendo UI) along with relevant testing.Implement application integration with corporate IAM services for authentication and authorization purposes.

Apr 24, 2025
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Isabel Group logoIsabel Group logo
Full-time|On-site|Brussels, Brussels, Belgium

About Isabel Group Isabel Group builds technology for the financial sector in Brussels. The team values collaboration and welcomes new ideas from every member. Here, contributions shape both products and the broader financial ecosystem. Role Overview: Software Development Engineer This role calls for someone who enjoys problem-solving and working closely with others. Success is shared, and learning from teammates is part of daily life. The environment encourages questioning assumptions and finding better ways to work. What You Will Do Develop software that meets both functional and non-functional requirements, clarifying details when specifications are incomplete or change over time. Design and recommend technical solutions that support future product innovation, balancing speed, quality, and long-term sustainability. Assess and compare off-the-shelf products with custom-built solutions to choose the best approach for each project. Apply industry standards and recognized practices throughout the software development lifecycle, including integration and delivery stages. Investigate and resolve issues and incidents, sometimes taking the lead to see problems through to resolution. Maintain and improve application quality and performance, ensuring systems evolve sustainably over time. Champion continuous improvement so software stays maintainable, reliable, and adaptable as needs change. Location Based in Brussels, Belgium.

Apr 14, 2026
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Brainsquare logoBrainsquare logo
Full-time|On-site|Brussels, Brussels, Belgium

About Brainsquare Brainsquare focuses on building, improving, and supporting large-scale enterprise application environments. The team brings together practical engineering skills and a structured delivery mindset, working where application development, integration, and collaboration platforms intersect. Brainsquare teams often work with clients over the long term, helping to scale, stabilize, and evolve complex systems. Role Overview: Senior Java Software Engineer This long-term position is based in Brussels and centers on both developing new features and continuously improving existing Java applications. The work goes beyond standard development, blending build and run responsibilities with a strong sense of ownership for the full application lifecycle. What You Will Do Take part in functional analysis and challenge specifications to ensure clarity and feasibility Design, develop, and maintain Java-based applications Maintain high code quality through code reviews and structured delivery practices Test and validate developments before user acceptance Investigate incidents, identify root causes, and implement lasting solutions Update and improve existing systems and their documentation Support business users to keep applications running smoothly Contribute to support processes, reporting, and monitoring application availability Work closely with both IT and business stakeholders Participate in support rotations as needed Location Brussels, Brussels, Belgium

Apr 20, 2026
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Sopra Steria logoSopra Steria logo
Full-time|On-site|Brussels

Join our dynamic team as a Fullstack .NET Developer, where you will play a crucial role in designing and developing innovative software solutions. You will collaborate closely with cross-functional teams to create high-quality applications that meet the needs of our clients.In this role, you will utilize your expertise in .NET technologies to build scalable web applications and services. Your contributions will help enhance our systems and drive efficiency across various projects.

Apr 24, 2025
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Sopra Steria logoSopra Steria logo
Java Developer

Sopra Steria

Full-time|On-site|Brussels

Join Sopra Steria as a Java Developer and contribute to innovative projects that shape the future of technology. You will work in a dynamic environment alongside a talented team, developing high-quality software solutions that meet our clients' needs.

Jun 26, 2025
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Sopra Steria logoSopra Steria logo
Full-time|On-site|Brussels

Join Sopra Steria as an Automation Developer and be at the forefront of technological innovation. In this role, you will design, develop, and implement automation solutions that enhance operational efficiency and drive business success. You will work closely with cross-functional teams to identify automation opportunities and create robust solutions that meet the needs of our clients.

Mar 6, 2026
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NRB logoNRB logo
Full-time|Hybrid|all cities, Brussels, Belgium

NRB Group is a recognized provider in Belgium’s ICT sector, offering a wide range of IT services that include infrastructure, cloud solutions, software development, consultancy, and managed staffing. The company supports clients across various industries from its base in Brussels and beyond. More details about NRB can be found at https://www.nrb.be/. Role overview The Local Managed Staffing team at NRB is looking for an AS 400 / RPG Developer. This role centers on building and maintaining business applications within the IBM i (AS/400) environment. Candidates based in any city across Brussels, Belgium are welcome to apply. Main responsibilities Design, develop, and maintain RPG programs, including RPG IV, ILE, and Free formats. Address bug fixes, optimize application performance, and ensure reliability. Write and update technical documentation as needed. Support business teams by providing level 2 and 3 assistance for application usage. Participate in projects related to the evolution, migration, or modernization of the IBM i environment. Integrate and test new features, including unit, integration, and acceptance testing. Contribute to ongoing technology monitoring and application modernization efforts within the IBM i landscape.

Apr 21, 2026
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Sopra Steria logoSopra Steria logo
Full-time|On-site|Brussels

Join our innovative team as a Java Software Architect where you will play a pivotal role in designing and implementing cutting-edge software solutions. You will collaborate with cross-functional teams to drive the development of scalable, robust applications that meet the needs of our clients.

Apr 24, 2025
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NRB logoNRB logo
Full-time|Hybrid|all cities, Brussels, Belgium

Looking for a change? Ready for new challenges?Are you eager to advance your career as a PL/1 Developer? Join our Local Managed Staffing team at NRB!As a leader in the ICT sector in Belgium, the NRB Group offers a wide array of IT services, addressing all IT needs, from Infrastructure & Cloud to Software Development and Consulting & Managed Staffing. For more information, visit our website.As a PL/1 Developer, you will be responsible for the technical analysis, development, and maintenance of various applications for internal use and for our affiliates in areas related to accounting and non-profit organizations (ASBLs). You will work on different application layers, including user interface, business logic, and integration. You are capable of working both collaboratively and independently. Your skills and knowledge will enable you to develop, propose technical solutions, document them, and communicate effectively.

Jul 15, 2025
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European Dynamics logo
Senior Java Developer

European Dynamics

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

We are excited to announce an opportunity for a proficient Senior Java Developer who is fluent in English and will be located in Brussels. The selected candidate will have the flexibility to work either from our office or on-site at client locations. In this initial assignment, the chosen individual will collaborate closely with project leaders and supervise the project team.Key Responsibilities: Design and architecture of software components and building blocks; Evaluation and review of existing system architecture; Coordination of technical architecture implementation; Development of functionalities, including testing, technical documentation, deployment, evaluation, and reporting; Conduct data analysis and create data models; Establish technical communication between project leaders and developers; Ensure the consistency of AV Media metadata with the respective media files; Analyze and index AV Media metadata files; Prepare metadata information for media file dissemination and publication. Qualifications: A university degree in IT with a minimum of 11 years of professional IT experience; Strong expertise in Java/J2EE; Advanced knowledge of Oracle and PL/SQL; Familiarity with NoSQL databases (MongoDB, Solr); Proficiency in tools such as CDI, JPA, Reflection, and Spring (MVC, Container, Scheduler, or QUARTZ Scheduler); Understanding of application design and SOA architecture as well as interoperability technologies; Experience with modeling tools and languages (e.g., UML); Proficient in Spring Security, Tomcat, Jira, and jQuery; Knowledge of software development methodologies (e.g., RUP, Agile); Competence in JSON/XML and HTML; Familiarity with middleware infrastructure and web servers, particularly WebLogic; Knowledge of ITIL standards and best practices will be considered an asset; Excellent command of the English language, both written and spoken. Benefits:If you are looking for a rewarding career in a dynamic and exciting company, where you will contribute as part of a team for a major European institution in a multicultural, multilingual environment with real opportunities to make a difference, we encourage you to submit your detailed CV in English, quoting reference: (9481/01/22).We offer a competitive salary package (either contract-based or full benefits), tailored to your qualifications and experience. All applications will be treated confidentially.

Jan 14, 2022
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European Dynamics logo
Senior Java Developer

European Dynamics

Full-time|Hybrid|Brussels, Brussels, Belgium

We are excited to announce an opening for a Senior Java Developer fluent in English, who will contribute their expertise while being based in Brussels, Belgium. The successful candidate will operate either from our office or on-site at client locations. This role entails collaborating closely with a prominent client's IT team as part of our dedicated team.Your Responsibilities:Design, develop, and maintain Information Systems testing scenarios, including new feature testing and non-regression testing;Engage in technical working groups, progress meetings, and discussions with end users, business managers, and project teams (comprising business analysts, project managers, and developers);Create and update technical documentation;Support analysis, deployment, evaluation, and reporting efforts.

Mar 2, 2026
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NRB logoNRB logo
Full-time|Hybrid|Brussels, Brussels, Belgium

Are you ready for a new opportunity? Seeking fresh challenges to elevate your career?Join our dynamic Local Managed Staffing team at NRB as a .NET Developer specializing in Blazor!The NRB Group is a prominent leader in Belgium's ICT landscape, delivering a diverse array of IT services tailored to meet all of your technological requirements, from Infrastructure & Cloud solutions to Software Development, Consultancy, and Managed Staffing.Discover more about us here.We are currently seeking a skilled .NET Developer with a strong foundation in Blazor.

Feb 26, 2026
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Sopra Steria logoSopra Steria logo
Full-time|On-site|Brussels

Join Sopra Steria as a Java Software Architect, where you will play a pivotal role in designing and developing robust software solutions. Your expertise will guide our technical direction and ensure the successful implementation of Java-based applications.

Jun 26, 2025

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