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# Senior Developer

- **Company:** Halian
- **Location:** Brussel, Belgium
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** Clean Code Principles, Application Programming Interfaces (APIs), Code Review, Distributed Systems, PostgreSQL, Message Queuing Telemetry Transport (MQTT), Node.Js, Performance Tuning, Next.js, Systems Architecture, TypeScript, WebRTC, Backend, Event Driven Architecture, AngularJS, Front End Software Development, Restful APIs, Microservices
- **Published:** May 18, 2026
- **Apply:** https://www.careerjet.be/jobad/bebf10f5e12ff0832153fe5ea950a20460

## About the Role

* 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

## Description

* 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)


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