Technical Support Agent (m/f/d) – Onboarding & Support | Brussels and periphery
Join Nexxtlab as a Technical Support Agent (m/f/d) and help customers successfully onboard and use our innovative energy management solutions. We’re looking for a customer-focused communicator with technical understanding, strong French and English skills, and a passion for helping users get the most from our products.
Smartmaster Ecosystem October 2025 Highlights
Discover Smartmaster platform October update — featuring a savings view in the Home app, a new alerts dashboard in the Web Portal, updated quarter-hour dynamic tariffs, expanded product integrations, and the latest Environment API Swagger file.
Sales Executive | Belgium, Flanders Region
We’re looking for a motivated sales professional fluent in Dutch and English (French is a plus) with a proven track record in achieving results. Be part of a dynamic, supportive team and help us expand our impact in sustainable energy.
Medior Backend developer | Tunis
We’re looking for a backend developer to help build innovative energy solutions alongside our team in Luxembourg. You’ll work with Java 8+, Docker, PostgreSQL/MongoDB, and OpenAPI, contributing to backend systems and supporting APIs. A proactive mindset, strong problem-solving skills, and fluency in English are essential. Passion for clean energy and teamwork is a big plus.
Front end developer | Tunis
We’re hiring a front-end developer to craft responsive, user-friendly web and mobile interfaces using Flutter and AngularJS. You’ll work closely with designers and backend teams to build scalable, high-performance applications, ensuring seamless API integration. Strong coding skills, attention to detail, and fluency in English are required—French is a plus.
Senior Full Stack Developer | Tunis
Join Nexxtlab Tunisia as a Senior Full Stack Developer and collaborate with international teams to build cutting-edge front-end and back-end solutions using Flutter, Angular, Java, and Kafka. Shape the future of energy technology in a fast-paced environment.
Exciting New Features in Your Nexxtlab Update: A Step Forward in UX/UI and Control
Discover the latest Nexxtlab update introducing advanced charger control modes, enhanced capacity alerts, a new distributor role, and powerful topology features. Plus, explore our new Environment API that opens new integration possibilities. This patch sets the stage for exciting UX/UI improvements.
Unlocking the Power of Nexxtlab Topology: New Visualization and Configuration Tools
Discover how Nexxtlab’s latest topology enhancements make managing your energy assets easier and more efficient. From versatile visualization options and smooth navigation controls to advanced configuration tools like copy/paste and multi-selection, these new features empower you with greater control and clarity. Each section is accompanied by a detailed explainer video to guide you through the improvements.
Nexxtlab Becomes Fully Independent, Scales Smartmaster Platform and Seeks Strategic Partners
To continue this strategic realignment, the CEO and the private investor group have acquired the shares previously held by Creos, making Nexxtlab fully independent and agile in its commercial trajectory. The company is now seeking a strategic partner to support the next phase: international market expansion and product scale-up.
Smartmaster Now Supports Enovos’ naturstroum drive Dynamic Tariff
Smartmaster now supports naturstroum drive, the time-based electricity tariff from Enovos. This integration gives users in Luxembourg more flexibility in managing their energy usage — especially for EV charging — with seamless compatibility inside the Smartmaster ecosystem.
