Solutions Architect

itsme® has fundamentally changed how people lead their digital lives in Belgium, but we are not stopping there! Do you want to be a driving force to help expand on this success story as part of a talented team that is making a positive impact on society? Then keep on reading, you’ll probably like what you’ll see.We are itsme®, one of Europe’s fastest-growing scale-ups, counting 90 team members and growing. Our mission: providing a state-of-the-art digital identity solution to all people, enabling them to interact securely in the digital space. Now, only five years after being founded, close to 8 million citizens use the itsme® app, to identify themselves and sign documents online. Starting in Belgium, we successfully launched the itsme app in 17 European countries, with the ambition of becoming an internationally leading player.As a Solution Architect, you are the link between business needs and technical execution. You ensure roadmap concepts are feasible, sequenced logically, and translated into actionable, end-to-end solution designs. You work across value streams, bridging product, security, infrastructure and enterprise IT, making sure our solutions are robust, future-proof, and deliver value efficiently.You combine impact assessment with solution exploration: diversifying options, assessing trade-offs, and shaping transition paths that guide delivery teams while preserving autonomy.What your job looks likeEnd-to-End Solution DesignProduce logical and physical solution designs across applications, integrations, and infrastructure.Tailor non-functional requirements (NFRs) such as security, performance, compliance, and availability.Define and maintain integration guidelines and system-wide principles.Separation of Concerns & Component RolesDefine clear responsibilities, boundaries, and interfaces for components (domain, orchestration, integration, protocol/interface).Ensure maintainability and avoid overlap by clarifying roles and responsibilities in system decomposition.Support transitions from monoliths to modular/microservice architectures.Solution Alternatives & Trade-offsEnsure solution diversification and structured trade-off assessment.Provide clear recommendations backed by transparent rationale in ADRs (Architecture Decision Records).Transition & Roadmap SupportProvide transitional architecture patterns and high-level sequencing plans to de-risk delivery.Pre-wire initiatives in governance (e.g., Portfolio Committee) to prevent surprises and improve decision-making.Decision Tracking & StandardsMaintain an ADR repository and trade-off rationale.Align solutions with product guardrails, zero-trust security practices, and architectural modelling conventions (C4, ArchiMate).Enablement over ControlApply just-enough architecture: more guardrails and standards where maturity is low; lighter guidance where teams are seasoned.Strategic SupportSupport Enterprise Architects in impact analyses for acquisitions, new tooling integration, or strategic shifts.Job requirementsProven experience as a Solution Architect (or similar role) in SaaS or other high-availability environments.Strong background in software engineering and system integration.Experience with API design, microservices architectures, and decomposing monoliths.Familiarity with mobile applications, distributed systems, and secure data flows.Skilled in NFR engineering (availability, compliance, performance, security) and transition planning under delivery constraints.Comfortable leading option generation and trade-off discussions, even with incomplete information.Excellent communication skills: able to translate complex technical trade-offs into clear guidance for both engineering and business stakeholders.Plus: experience with TOGAF, C4, ArchiMate; knowledge of digital identity, and experience in high-compliance/security environments.Language skills: fully proficient in English and in Dutch or French