Senior Typescript Developer

Function

About the Role
We are looking for a Senior Developer to play a key role in designing, building, and maintaining software solutions that connect physical infrastructure with digital platforms. These systems enable reliable, secure, and scalable interactions between users and a network of smart devices.

You will work in a modern, technology-driven environment at the intersection of backend services, frontend applications, and IoT integrations. The architecture is event-driven and focused on real-time communication across distributed systems.

Key Responsibilities

• Design, develop, and maintain scalable applications using TypeScript, Node.js (NestJS), and Angular
• Build and optimize backend services and APIs
• Develop responsive and user-friendly frontend applications
• Integrate and manage connected devices using protocols such as MQTT
• Design and maintain PostgreSQL databases with a focus on performance and reliability
• Work with cloud environments (preferably AWS)
• Develop and manage containerized applications (Docker, preferably ECS)
• Contribute to architectural decisions around scalability, security, and maintainability
• Implement event-driven and real-time communication solutions
• Collaborate with cross-functional teams (product, engineering, operations)
• Ensure high code quality through reviews, testing, and best practices
• Troubleshoot and resolve complex production issues in distributed systems

Your Profile

• Strong experience with TypeScript in both frontend and backend environments
• Proven expertise in Node.js for building scalable applications
• Experience with Angular or similar frontend frameworks
• Hands-on experience with PostgreSQL (data modeling and performance tuning)
• Experience with IoT environments and device communication
• Knowledge of messaging protocols such as MQTT
• Experience with microservices and event-driven architectures
• Solid understanding of REST APIs and real-time communication
• Strong knowledge of software design principles and best practices
• Experience with CI/CD and DevOps practices is a plus

Nice to Have

• Experience with cloud platforms such as AWS, Azure, or GCP
• Knowledge of containerization and orchestration (Docker, Kubernetes)
• Experience with monitoring and observability tools
• Familiarity with security best practices in IoT environments

Soft Skills

• Strong analytical and problem-solving skills
• Proactive mindset with a strong sense of ownership
• Ability to work independently
• Excellent communication and collaboration skills
• Willingness to mentor and support other developers

Language Requirements

• Native Dutch with good professional knowledge of English OR Native French with good professional knowledge of English

Practical Information

• Location: Brussels
• Hybrid working model (minimum 3 days per week in the office)
• Start date: as soon as possible

Contactperson & Reference

• Reference #: INW26754
• Marilyn Weytens
• marilyn.weytens@i4m.be