Solution Architect Mobile & Web | Vacancy Brussels

Millions of customer interactions start with our digital channels. As a Solution Architect Mobile & Web, you'll help shape the future of MyLuminus, our customer platform that empowers customers to manage their energy anytime, anywhere. You will also play a key role in designing and evolving the technology behind our public websites, ensuring seamless, scalable and high-performing digital experiences.

This is a unique opportunity to work on highly visible digital products with a direct impact on hundreds of thousands of customers. Together with business and IT teams, you'll define the architecture that powers innovative customer journeys and supports Luminus' digital transformation.

As a Solution Architect Mobile & Web, you translate complex business needs into smart, scalable and future-proof digital solutions. You bridge strategy and execution, bringing cutting-edge technologies, MACH principles and modern architectures to life across our digital landscape.

What you’ll do

• Design solution architectures that translate business needs into scalable, future-proof digital products.

• Partner with business stakeholders and development teams to identify the most valuable and sustainable solutions.

• Assess the impact of new initiatives and change requests on the existing digital ecosystem.

• Contribute to the evolution of the architectural vision and roadmap for MyLuminus, our websites and other digital channels.

• Guide technology decisions and support teams in applying architecture principles, standards and best practices.

• Ensure alignment with Enterprise Architecture, security requirements and governance standards.

What you bring

• A master’s or bachelor’s degree in exact sciences (preferably IT) or equivalent experience.

• At least 3 years’ experience as a Solution Architect in a digital environment (web & mobile).

• You understand MACH principles and can design solutions based on microservices, API‑first and cloud‑native SaaS.

• You are fluent in data, state and sequence diagrams and can communicate architecture clearly to technical and non‑technical stakeholders.

• Hands‑on experience with React(Native), NextJS, NestJS, TypeScript, JavaScript, and cloud deployments (Azure is a plus).

• You bring strong analytical, facilitation and influencing skills and enjoy working in Agile/SAFe environments.

Why join us

• Help shape a modern, future‑ready digital ecosystem at the core of Luminus’ transformation.

• Work with passionate teams, innovative technologies and real architectural impact.

• Grow your expertise in a dynamic, supportive environment that values autonomy, collaboration and continuous learning.

• You work and connect with your colleagues at a Luminus office or from home. Need some flexibility? Your manager is open to discuss what works.

What you’ll get in return?

The energy sector is one of the most rewarding industries in Belgium with a highly rewarding compensation and benefits package:  

• Competitive compensation: Attractive salary with a performance-based bonus that can be optimized to your personal preferences, plus meal vouchers.

• Insurance & social benefits: Group insurance and hospitalization coverage for the entire family. Additional reimbursement for healthcare and pharmaceutical costs.

• Mobility: Full reimbursement for public transport, kilometer-based cycling reimbursement and flexible mobility choices: you can choose between a company car or mobility budget. 

• Internet & communication: Home internet covered, reimbursement for a personal mobile device with a phone subscription.

• Home Office: A fully-equipped home office, including an ergonomical ICT set-up.

• Exclusive discounts: 30% off gas and electricity after six months, discounts on energy-saving services (e.g., solar panels, heat pumps) and reduced prices on top brands, amusement parks, festivals and more.

Luminus values e.v.e.r.y individual.

Are you looking for a workplace where you can truly be yourself, where you feel respected, supported regardless of your background, identity and unique story?  Then you’ve come to the right place. Diversity equity and inclusion are not empty words for us — we grant that everyone can flourish and feel valued, so let’s build it together!

What does that mean in practice?

Do you have specific needs or require adjustments during the recruitment process or once you are hired? Let’s discuss about it and we’ll do our best to find a solution. We can also discuss if you want to work at 80% or 100%.

Together we make the difference