Senior Mobile Application Architect

Senior Mobile Application Architect / Tech Lead Overview We are seeking an experienced Senior Mobile Application Architect / Tech Lead to lead the technical design and delivery of a large-scale mobile application transformation program. The role is responsible for defining the target architecture, establishing development foundations, driving Kotlin Multiplatform adoption, and ensuring high-quality delivery across the entire project lifecycle.

Key Responsibilities
Technical Leadership & Architecture Define and maintain a scalable, secure, and maintainable mobile architecture. Lead technical decision-making and architecture reviews. Align technology choices with long-term digital and business objectives. Support Project Managers, Architects, Product Owners, and Business Analysts with technical expertise. Sprint 0 & Development Foundations Establish development environments, coding standards, and governance frameworks. Define Git strategies, CI/CD pipelines, testing frameworks, and quality controls. Prepare technical documentation, development guidelines, and onboarding materials. Ensure teams can rapidly and efficiently start development activities. Kotlin Multiplatform (KMP) Leadership Lead the adoption and implementation of Kotlin Multiplatform. Define shared and platform-specific architecture layers. Ensure maintainability, scalability, and performance of KMP solutions. Provide technical coaching and guidance to development teams. Evaluate alternative cross-platform technologies, including Flutter. Delivery & Team Enablement Perform technical estimations, risk assessments, and release planning. Support backlog refinement, solution design, and feature decomposition. Define onboarding strategies and development best practices. Mentor developers and foster technical excellence across teams. AI & Innovation Governance Define and implement AI-assisted development practices. Promote the use of AI for analysis, coding, testing, documentation, and delivery activities. Establish governance, security, compliance, and best practices for AI usage. Measure productivity gains and support continuous innovation initiatives. Required Skills & Experience Minimum 5 years of experience as a Tech Lead on large-scale mobile projects. Strong expertise in mobile application architecture and technical leadership. Proven experience delivering Kotlin Multiplatform applications in production. Advanced Android development expertise and solid knowledge of native iOS development. Experience establishing Sprint 0 foundations, development standards, and governance. Strong knowledge of CI/CD, DevSecOps, automated testing, and quality assurance practices. Experience with Jira, Confluence, and Agile delivery frameworks. Proven ability to coach development teams and support technical decision-making. Experience working with high-traffic or large-scale mobile applications. Soft Skills Strong leadership and coaching abilities. Excellent communication and stakeholder management skills. Strategic mindset with long-term architectural vision. Pragmatic, delivery-focused, and results-oriented approach. Passion for innovation and emerging technologies. Languages French and/or Dutch. English is an asset. Location Brussels, Belgium. Onsite presence required 2–3 days per week. No remote option. Nice to Have Experience with Flutter. Experience in transportation, mobility, or real-time applications. Cloud, Mobile Architecture, AI, or Software Engineering certifications. Experience implementing AI governance frameworks in software delivery environments.