> Markdown version of [/jobs/ext/3719889-solution-architect-lead-developer](https://www.wearedevelopers.com/jobs/ext/3719889-solution-architect-lead-developer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Solution Architect Lead Developer - **Company:** Keystone Solutions - **Location:** Brussel, Belgium - **Experience:** Expert - **Contract:** Temporary contract - **Skills:** OpenTofu, Java (Programming Language), Agile Methodology, Automation of Tests, Microsoft Azure, Continuous Integration, DevOps, Python (Programming Language), Role-Based Access Control, Software Engineering, Technical Debt, Git, Kubernetes, Bicep, Docker - **Published:** October 14, 2026 - **Apply:** https://www.adzuna.be/details/5927009451 ## About the Role * 8+ years in software engineering, including 3+ years leading the technical side of delivery as a tech lead, lead developer, or solution architect on a live project. * Proven track record of taking a solution from design to production with a team. * Confirmed experience with Azure (or an equivalent public cloud) and comfortable in hybrid setups. * Proficient in Java or Python; able to read, review, and guide work in the other. * Solid DevOps culture: CI/CD, Git, automated tests, and infrastructure-as-code literacy. * Security by design: identity, secrets, least privilege, encryption, and data protection. * Clear, direct communicator in English; French and/or Dutch is a plus. Assets: * Azure certifications (AZ-204, AZ-305) or equivalent practical evidence. * Experience with containers (Docker) and orchestration (AKS / Kubernetes) at a confirmed level. * Familiarity with Infrastructure as Code (Bicep, OpenTofu). * Experience in regulated or public-sector delivery in Belgium., * Agile - Level: Advanced - Most recent: 1 to 3 years ago * Architecture and Technical Applications - Level: Expert - Most recent: 1 to 3 years ago * Azure - Level: Advanced - Most recent: 1 to 3 years ago * CI/CD - Azure DevOps - Level: Advanced - Most recent: 1 to 3 years ago * Security by Design - Level: Advanced - Most recent: 1 to 3 years ago * technical leadership - Level: Expert - Most recent: 1 to 3 years ago Language requirements: Dutch or French Level Native or bilingual proficiency English Level Full professional proficiency ## Description * Own the target architecture (application, integration, data, security) and ensure it is implementable by a small engineering team. * Lead the technical side of delivery: refinement, estimates, definition of done, stand-ups, and technical risk management. * Translate business needs into a backlog the team can execute, while protecting scope against technical debt or risk. * Coach medior developers, review designs and code, and elevate the quality bar without becoming a bottleneck. * Define and enforce standard engineering practices: Git, branching, CI/CD, automated tests, environments, and release discipline. * Act as the technical counterpart for the client, product, infrastructure, and security stakeholders. * Produce and maintain living architecture artifacts (SAD, ADRs, diagrams, interface contracts). * Identify risks early (security, performance, operability, vendor lock-in, delivery) and drive mitigation through to production.