Senior Application Architect Spring React Expert Level jobs in Brussels – Browse 229 openings on RoboApply Jobs

Senior Application Architect Spring React Expert Level jobs in Brussels

Open roles matching “Senior Application Architect Spring React Expert Level” with location signals for Brussels. 229 active listings on RoboApply Jobs.

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European Dynamics logo
Full-time|On-site|Brussels, Brussels, Belgium

We are excited to announce a current opening for a Senior Application Architect (Spring, React) fluent in English, to join our expert team based in Brussels, Belgium. The role involves providing high-level architectural expertise, working either from our company premises or directly at client locations. As part of this initial assignment, the successful cand…

Mar 7, 2025
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European Dynamics logo
Full-time|On-site|Brussels, Brussels, Belgium

European Dynamics is looking for a Senior Application Architect to join its Brussels office. This position requires fluency in English and involves working either at company headquarters or directly at client sites. The first assignment places you within the Development team, collaborating closely with a major client's IT department. What you will do Design and architect complete information systems tailored to client needs. Develop agentic AI solutions, including those based on Amazon Kiro. Plan, implement, and maintain database layers for multi-tier applications. Design, build, and support the front-end layer of web applications. Conduct data analysis, data modeling, and create physical database designs. Create and manage database stored procedures. Configure databases for optimal performance and reliability. Execute database testing programs to ensure stability and quality. Define and integrate database components within broader application architectures. Assist with deployment and configuration of databases. Work setting This role is based in Brussels, Belgium, with work taking place either at European Dynamics offices or on-site with clients, depending on project needs.

Apr 28, 2026
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European Dynamics logo
Full-time|On-site|Brussels, Brussels, Belgium

Join our innovative team at European Dynamics as a Senior Application Architect in Brussels, Belgium. This role involves collaborating closely with our Development team and a major client's IT team, either from our office or on-site. You will play a pivotal role in leveraging your expertise to enhance our application architecture.Key Responsibilities:Engage in agile methodologies, making essential decisions about priorities, business value, and functionalities for the agile development team.Oversee various activities across multiple projects, ensuring compliance with review processes, monitoring task statuses, and coordinating with internal units and the Simpl program.Maintain a comprehensive understanding of project objectives and goals.Collaborate effectively with business analysts, customers, users, project leaders, and developers.Analyze the integration of various environments within the program.Supervise the implementation of technical architecture, focusing on the integration and interoperability of open-source software components within a cloud architecture.Support testing, analysis, technical documentation, deployment, evaluation, and reporting processes.

Jan 8, 2026
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AlmavivA de Belgique logoAlmavivA de Belgique logo
Contract|On-site|Brussels, Brussels, Belgium

We are seeking a highly skilled Application and Cloud Architect to lead our IT development and architectural initiatives.The ideal candidate will possess:Extensive experience in IT architecture and development, with a strong focus on delivering high-quality solutions.Exceptional communication skills, both verbal and written, allowing for clear and effective interaction with diverse audiences.A proven ability to document architecture decisions, evaluate multiple solutions, and articulate pros, cons, and associated risks.A collaborative team spirit and the ability to maintain high standards of quality.Proficiency in UML modeling for effective diagramming and representation of architectural concepts.Strong analytical and problem-solving skills, coupled with the capability to produce clear and structured technical documentation.

Apr 30, 2026
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European Dynamics logo
Full-time|Hybrid|Brussels, Brussels, Belgium

We are excited to announce a vacancy for a Senior Application Architect (Java) fluent in both English and French. This esteemed position is located in Brussels, Belgium, where you will provide your expertise either from our office or directly at client sites. In your first assignment, you will seamlessly integrate into our Development team, collaborating closely with a major client's IT team both on-site and remotely.Your ResponsibilitiesConduct thorough analysis of the integration of various information systems.Engage in data analysis and modeling to support decision-making processes.Coordinate the implementation of technical architecture.Serve as a technical interface between project leaders and developers.Produce comprehensive software architecture documentation.Participate in technical working groups, progress meetings, and user discussions.Assist in testing, analysis, documentation, deployment, evaluation, and reporting as needed.Design and create blueprints for Cloud Architecture.

Apr 30, 2026
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European Dynamics logo
Full-time|On-site|Brussels, Brussels, Belgium

We are seeking a highly skilled Application Architect (Java) who is fluent in English to join our dynamic team in Brussels, Belgium. The successful candidate will provide expert services either at our headquarters or directly at client sites. Initially, the architect will collaborate closely with a prominent client's IT team on-site.Key Responsibilities:Develop and maintain robust software applications.Design and implement component architectures and foundational blocks for a web content management system.Analyze the integration of various information systems.Conduct data analysis and modeling.Create comprehensive software architecture documentation.Participate in technical working groups, progress meetings, and user consultations.Support testing, analysis, technical documentation, deployment, evaluation, and reporting processes.Review existing system architectures to facilitate migration to cloud environments.Assist in testing and providing technical training.Draft technical documentation.Support deployment and system configuration.Provide assistance in resolving production issues as required.

Feb 19, 2026
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European Dynamics logo
Full-time|Remote|Remote — Brussels, Brussels, Belgium

Job OverviewWe are excited to announce an opening for an Application Architect (Oracle) proficient in English, who will provide remote services within the European Union. In this role, you will integrate into our Development team, collaborating closely with a major client’s IT team on-site.Key Responsibilities:Evaluate the architecture of existing systems.Analyze the integration of various information systems.Design, review, and develop components of data warehouse architecture.Create comprehensive documentation for data warehouse architecture, including design and implementation models.Oversee data analysis and modeling processes.Document technical implementations effectively.Assist in resolving production and data quality issues.Support testing, technical documentation, deployment, evaluation, and reporting processes.

Feb 27, 2025
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European Dynamics logo
Full-time|On-site|Brussels, Brussels, Belgium

We have an exciting opportunity for an Application Architect (SharePoint, .NET) fluent in English to join our dynamic team in Belgium. This role involves working either at our company’s office or onsite with clients. In this initial assignment, the selected candidate will collaborate closely with our Development team and a major client’s IT team.Your ResponsibilitiesDesign and develop robust front-end website architecture and back-end applications.Implement security measures and data protection protocols.Create and manage APIs.Analyze data, processes, and code to diagnose issues and enhance performance.Produce comprehensive software architecture documentation and oversee technical architecture implementation.Support testing phases, technical documentation, deployment, evaluation, and reporting.

Feb 20, 2026
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AlmavivA Belgium logoAlmavivA Belgium logo
Contract|On-site|Brussels, Brussels, Belgium

Join our dynamic team as an Application and Cloud Architect, where you will play a pivotal role in shaping our application architecture. You will be responsible for installing, configuring, monitoring, and troubleshooting complex application systems, ensuring seamless integration of heterogeneous systems.Your expertise will be invaluable in the architecture and design of innovative information systems, as well as in reviewing existing architectures to enhance functionality and performance. You will lead the design and development of architecture components and building blocks, both back-end and front-end.Engage in data analysis and data modeling, coordinating the implementation of technical architecture while serving as the key technical interface between project leaders and developers. Your contributions will include the production of comprehensive software architecture documentation and active participation in technical working groups, progress meetings, and user consultations.Support critical phases of testing, analysis, technical documentation, deployment, evaluation, and reporting, while spearheading the implementation and development of essential features.

Apr 2, 2026
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European Dynamics logo
Full-time|On-site|Brussels, Brussels, Belgium

We are excited to announce a vacancy for a Senior Application Architect (Java) who is fluent in English to join our dynamic team in Brussels, Belgium. This role involves working on-site at client locations or from our company's premises. The successful candidate will play a pivotal role in collaborating with a major client's IT team, contributing their expertise to ensure successful project outcomes.Your Responsibilities:Conduct thorough analysis and integration of various information systems and components.Engage in comprehensive data analysis and modeling activities.Lead the coordination of technical architecture implementation.Design, develop, and maintain applications that meet specified requirements.Contribute to the deployment and configuration of systems.Create detailed software architecture documentation.Support Project and Stakeholder Management efforts.Participate actively in technical working groups, progress meetings, and discussions with the Project Team.Assist in testing, analysis, documentation, deployment, evaluation, and reporting processes.Design and create blueprints for Cloud Architecture, including reviewing existing systems for potential cloud migration.Develop architecture components and building blocks utilizing cloud technologies.

Oct 14, 2025
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European Dynamics logo
Full-time|On-site|Brussels, Brussels, Belgium

Role overview European Dynamics seeks a Senior Application Cloud Architect (Java) to join its Brussels team. The position requires fluency in both English and French. Work takes place at company headquarters, client sites, and remotely, with close collaboration alongside a major client’s IT team. The architect will be part of the Development team. Main responsibilities Examine and assess the current Information Systems Architecture in depth. Analyze, map, and document how existing information systems are structured. Produce clear architectural diagrams and blueprints. Act as a technical link among project leaders, developers, and management. Assist with testing, analysis, technical documentation, deployment, evaluation, and reporting activities. Design and build architectural components using cloud technologies. Requirements Fluency in English and French. Experience with Java and cloud-based architectures. Ability to work on-site in Brussels and at client locations, as well as remotely.

Apr 22, 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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European Dynamics logo
Full-time|Remote|Remote — Brussels, Brussels, Belgium

European Dynamics is hiring a Senior Application Architect (Java, Angular) to work remotely from within the EU. The position centers on designing and guiding the architecture of information systems in partnership with a client IT team based in Brussels. English fluency is essential. What you will do Design and architect information systems tailored to business requirements. Evaluate existing system architectures and suggest improvements. Develop core architectural components and building blocks. Analyze integration between various information systems. Lead the implementation of technical architecture decisions. Document software architecture thoroughly. Take part in technical working groups, progress meetings, and user consultations. Create data and workflow models for applications. Develop application APIs using REST and Swagger frameworks. Build and implement software components using Java Spring and JPA. Integrate applications with corporate IAM services for authentication and authorization. Support software delivery using a CI/CD pipeline. Collaboration and location This is a remote role focused on collaboration with a client team in Brussels, Belgium.

Apr 23, 2026
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European Dynamics logo
Full-time|Hybrid|Brussels, Brussels, Belgium

We are excited to announce an opening for a Senior Java Application Architect proficient in English, to join our esteemed team at European Dynamics in the vibrant city of Brussels, Belgium. This role involves collaborating closely with both our internal development team and our major client’s IT team, either on our premises or at the client site.Key Responsibilities: Conduct comprehensive analysis for the integration of various information systems; Perform data analysis and develop data models; Oversee the implementation of the technical architecture; Act as a technical liaison between project leaders and developers; Create detailed software architecture documents; Engage in technical working groups, progress meetings, and user consultations; Provide support during testing, analysis, technical documentation, deployment, evaluation, and reporting phases.

Jun 27, 2025
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everience logoeverience logo
Full-time|On-site|Brussels

Role Overview everience is seeking a Senior Fullstack Consultant with strong experience in Python and React for its Brussels team. This is a spontaneous application opportunity for professionals ready to contribute to digital transformation projects across both front-end and back-end development. What You Will Do Develop and maintain applications using Python for backend and React for frontend components Collaborate with clients and internal teams to deliver solutions that support their digital initiatives Contribute technical expertise throughout the project lifecycle, from design to deployment Who We’re Looking For Proven experience with both Python and React Comfortable working across front-end and back-end tasks Interest in consulting and supporting digital transformation for clients Location This position is based in Brussels.

Apr 17, 2026
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Arηs Group, Part of Accenture logoArηs Group, Part of Accenture logo
Full-time|On-site|Brussels

Join Arηs Group, a proud part of Accenture, as an Application Cloud Architect specializing in Data & AI Text Mining at the EU Institutions in Brussels. In this dynamic role, you will be tasked with designing, developing, and enhancing robust, secure, and scalable server-side solutions that power modern web applications and data-driven services.Position OverviewYour focus will be on backend architecture, cloud-native design, and data-intensive applications. You will utilize your expertise in Python-based development, API design, database optimization, and secure DevSecOps practices. Collaborate at the intersection of application architecture, cloud infrastructure, and AI-enabled services to create innovative solutions.Key ResponsibilitiesArchitecting and designing server-side components and backend services that form the backbone of web applications, adhering to Python best practices.Creating, maintaining, and documenting RESTful APIs to facilitate seamless integration between front-end and back-end systems.Designing, implementing, and optimizing both relational and non-relational database schemas and queries to enable efficient, reliable data management.Establishing and enforcing robust database security protocols to safeguard sensitive information while ensuring compliance with relevant data protection regulations.Monitoring application performance and enhancing it by identifying bottlenecks and fine-tuning server-side logic and database interactions.Designing and deploying scalable, cloud-native architectures capable of handling increased user loads and large data volumes, utilizing containerization and orchestration technologies.Contributing to secure software development practices through code reviews and deploying vulnerability scanning tools to identify and mitigate security threats.Collaborating effectively with development, security, and operations teams to deliver high-quality, maintainable, and secure solutions throughout the software development lifecycle.

Feb 26, 2026
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Sopra Steria logoSopra Steria logo
Senior Architect

Sopra Steria

Full-time|On-site|Brussels

We are seeking a highly skilled and experienced Senior Architect to join our dynamic team at Sopra Steria in Brussels. In this role, you will lead architectural design and development, ensuring that our solutions are innovative, efficient, and meet our clients' needs. You will collaborate closely with teams across various disciplines to deliver top-notch technology solutions.

Feb 3, 2026
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Netcompany logoNetcompany logo
Full-time|On-site|Brussels

Are you eager to gain insight into the daily responsibilities of a Senior Application Support Agent at Netcompany?In this pivotal role, you will:Conduct thorough data analysis to inform policy decisions, utilizing existing dashboards while developing new ones as necessary.Oversee and enhance project activities, playing a key role in the ongoing improvement of the project.Administer clinical and non-clinical project tools, ensuring their effective operation to meet organizational needs.Translate business requirements into actionable data and IT service specifications, serving as a liaison between stakeholders and technical teams.Execute data quality controls to guarantee the accuracy, consistency, and reliability of project data.Perform User Acceptance Testing (UAT) to ensure that delivered services align with established business criteria.Keep documentation current, including user manuals, FAQs, databases, wikis, and information dashboards.

Mar 17, 2026
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Speechify logoSpeechify logo
Full-time|On-site|Brussels, Belgium

Join Speechify as a Senior Software Engineer specializing in Windows and Desktop Applications. In this role, you will leverage your expertise to design, develop, and optimize high-quality software solutions that enhance user experiences. You will collaborate with cross-functional teams to drive product innovations and ensure seamless integration of technologies.

Apr 30, 2026
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Sopra Steria logoSopra Steria logo
Full-time|On-site|Brussels

We are seeking a Senior Architect to lead our Simpl Program at Sopra Steria in Brussels. The ideal candidate will drive innovation, design robust architectures, and ensure the delivery of high-quality solutions that meet our clients' needs. You will collaborate with cross-functional teams, mentor junior architects, and leverage your expertise to enhance project outcomes.

Feb 3, 2026

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