A leading logistics and delivery organization operating a large-scale network of smart parcel solutions across multiple markets. The company focuses on delivering seamless, secure, and scalable delivery experiences by integrating physical infrastructure with advanced digital platforms. They are currently looking for a Senior Developer to support the evolution of their smart locker ecosystem and real-time distributed systems.

Responsibilities:

Design, develop, and maintain scalable applications using TypeScript, Node.js (NextJS), and Angular
Build and optimize backend services and APIs interacting with IoT devices and distributed systems
Develop responsive front-end applications for internal tools and customer-facing platforms
Implement and manage device communication using MQTT and real-time messaging protocols
Contribute to system architecture with a focus on microservices and event-driven architecture
Collaborate with cross-functional teams and ensure high code quality (testing, code reviews, best practices)

Qualifications and Skills:

Strong experience with TypeScript (frontend & backend)
Proven expertise in Node.js (NextJS) and building scalable APIs
Solid experience with Angular for modern UI development
Hands-on experience with PostgreSQL (data modeling & performance tuning)
Experience working with IoT systems and MQTT protocol
Good understanding of microservices, event-driven architecture, REST APIs, and real-time communication

Halian Group:

With over 28 years of experience, we have come to understand that innovation is the only way to provide agile, practical solutions that transform businesses and careers.

Our resourcing and smart services help you to realize tomorrow’s potential. Discover the amazing things possible when you bring the right people and the right technologies together.

At Halian, we recognize that diversity, equity, and inclusion (DEI) are essential to building high-performing teams for our clients. We are committed to connecting organizations with top talent from all backgrounds, ensuring that every individual feels valued, respected, and empowered to contribute their unique perspectives. We encourage applications from all qualified candidates, regardless of race, gender, disability, or any other characteristic that makes them unique. By fostering diverse and inclusive workplaces, we help our clients drive innovation, enhance collaboration, and better reflect the communities they serve.

Senior Developer in Brussels, Belgium

Halian | Managed Services, Recruitment Agency & Contract Staffing

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