> Markdown version of [/jobs/ext/296310-solution-designer](https://www.wearedevelopers.com/jobs/ext/296310-solution-designer). 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 Designer - **Company:** Luminus - **Location:** Brussels, Belgium - **Contract:** Permanent contract - **Skills:** .NET Framework, Application Programming Interfaces (APIs), Amazon Web Services, C Sharp (Programming Language), Code Review, Continuous Integration, Software Design Patterns, DevOps, Software Engineering, Systems Integration, Microservices - **Published:** June 3, 2026 - **Apply:** https://be.indeed.com/viewjob?jk=5d2d6f48d568baed ## About the Role Do you have experience in SAFe?, Do you have a Bachelor's degree?, * You have strong experience within the .NET ecosystem (C#, APIs, microservices, integrations). * You bring solid knowledge of scalable architectures, design patterns and software best practices. * You are familiar with DevOps principles and CI/CD automation; cloud experience (preferably AWS) is a strong plus. * You have experience guiding external development teams in a non-hierarchical setup. * You communicate clearly and confidently, translating technical decisions into actionable guidance. * You have a hands-on, pragmatic mindset with a strong focus on quality, maintainability and continuous improvement. ## Description As a Lead .NET Developer, you are the technical reference for .NET applications within the OptiGen domain, supporting the Lumi Power team and the broader Optimization & Generation Department. You combine deep technical expertise with a coordinating mindset, ensuring robust, performant and future-proof solutions while aligning internal and external development teams. What you'll do * You act as the internal SPOC and technical authority for .NET applications and integrations. * You actively contribute to the development of complex, high-impact .NET solutions, combining hands-on delivery with architectural oversight. * You steer and guide nearshore development teams, ensuring alignment with internal standards and expectations. * You safeguard quality by defining and enforcing coding standards, organizing code reviews and promoting best practices. * You drive automation and engineering excellence through CI/CD, testing and deployment improvements. * You continuously identify opportunities to improve processes, collaboration and technical approaches across teams. ## Related Videos - [From DevOps to Scaled DevOps: How We’re Rebuilding Continuous Delivery as a Platform](https://www.wearedevelopers.com/videos/100018-from-devops-to-scaled-devops-how-we-re-rebuilding-continuous-delivery-as-a-platform) - [Are Code Reviews Worth It? Insights from 16 Years of Review Data](https://www.wearedevelopers.com/videos/1135-are-code-reviews-worth-it-insights-from-16-years-of-review-data) - [Microservices: how to get started with Spring Boot and Kubernetes](https://www.wearedevelopers.com/videos/242-microservices-how-to-get-started-with-spring-boot-and-kubernetes) - [Navigating the Corporate Jungle: Life as a Developer in a large Company](https://www.wearedevelopers.com/videos/621-navigating-the-corporate-jungle-life-as-a-developer-in-a-large-company) - [DevOps Maturity Check – a way to balance autonomy and alignment](https://www.wearedevelopers.com/videos/58-devops-maturity-check-a-way-to-balance-autonomy-and-alignment) - [Why make use of an integration platform in today's software developments and infrastructure?](https://www.wearedevelopers.com/videos/758-why-make-use-of-an-integration-platform-in-today-s-software-developments-and-infrastructure) ## Related Articles - [The 12 Best Jobs for Software Engineers](https://www.wearedevelopers.com/magazine/401-the-12-best-jobs-for-software-engineers) - [The Most Popular IT Jobs on the Market](https://www.wearedevelopers.com/magazine/376-the-most-popular-it-jobs-on-the-market) - [Where To Find Software Engineering Jobs](https://www.wearedevelopers.com/magazine/396-where-to-find-software-engineering-jobs) - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated) - [Dev Digest 121 - AI goes offline](https://www.wearedevelopers.com/magazine/456-dev-digest-121-ai-goes-offline) - [Why Upskilling And Reskilling is Important For Developers](https://www.wearedevelopers.com/magazine/428-why-upskilling-and-reskilling-is-important-for-developers)