Senior Solution Designer

Job descriptionJob TitleSenior Solution DesignerDepartmentITLocationBrussels/Hasselt/Antwerp/Remote (HYBRID, 2.5 days on-site)AssignmentAs a Solution Designer within the Digital Domain, you will play a key role in designing and delivering robust, scalable, and customer-focused solutions for our commercial applications , also in bridging business needs and technical implementation.They ensure that business requirements are clearly understood, technically feasible, well-designed, and ready for development. The role covers frontend, backend, and testing considerations, with strong collaboration across product development, architecture, and dependent teams.Key ResponsibilitiesSolution Design & Technical LeadershipTranslate business requirements into end-to-end functional and technical solutions covering backend, frontend, integrations, and testing considerations.Collaborate with developers to ensure solutions are in alignment with application standards.Document functional and technical approaches so the team has a clear and shared understanding of solution to be implemented.Identify and communicate technical risks, assumptions, constraints, and dependencies to other teamsHighlight testing attention points, including edge cases and non-functional requirementsEnsure scalability, maintainability, and performance of designed solutions.Identify potential technical debt and continuous improvement opportunities, and propose mitigation or improvement plans.Cross-Team & Stakeholder CommunicationWork closely with stakeholders (Product Owners and Business Analysts) to understand business needs. Support them with user story slicing, acceptance criteria etc.Stay in close contact with System Architects to align on architectural decisions ensuring solutions are consistent with enterprise standards and long-term strategy.Alignment with dependent teams to manage cross-team impacts, interfaces, and delivery alignment.Documentation:Create comprehensive documentation (on Confluence/JIRA) both functional behaviour and for APIs, including API specifications, usage guides, and sample code, to facilitate integration by internal and external developers.Testing and support:Assist in the development/creation of test plans, test cases, and user acceptance testing.Providing guidance and support to developers and project teamsSupport testing teams during functional and integration testing phases.Required Skills & ExperienceBachelor's or Master's degree in Software Engineering, Computer Science, Information Systems, or related field.3-5 years of experience in solution design, architecture or senior software engineer roles.Proven experience with web-based applications and integration design.Strong knowledge of API design, microservices, and integration patterns.Experience working in enterprise environments with complex systems and dependencies.Strong problem-solving ability with proven experience.Familiarity with energy sector or B2B portals is a plus.Technical skills:Understanding of JavaScript and TypeScriptHands-on experience in software developmentKnowledge of front-end and back-end technologies (React, Next.js, NestJs, etc.).Good knowledge of testing strategies (unit, integration and system testing)Familiarity with modern software architecture patterns and best practicesExperience with cloud platforms (Azure preferred)Soft Skills:Excellent communication and stakeholder management skills.Proven experience working in Scrum or Agile teamsStrong ability to communicate technical concepts to both technical and non-technical stakeholdersAbility to facilitate discussions and drive alignment across teams