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Platform Engineer – Digital Asset Platform Integration Engineer (m/f/d)

Contract
Brussels, Belgium
08.06.2026

A leading international financial services organisation driving large-scale innovation through modern platforms and digital ecosystems. The organisation is building next-generation solutions to enable seamless connectivity between internal systems and external partners, supporting the evolution of future financial services.


Responsibilities:

  • Design, build, and maintain integrations between internal platforms and external systems using scalable and reliable patterns
  • Develop and implement reusable integration components to streamline onboarding of new partners and services
  • Ensure all integrations align with defined architectural standards, principles, and best practices
  • Develop and maintain APIs and event-based services to support high-performance and resilient connectivity
  • Implement security controls and ensure compliance with organisational and regulatory requirements
  • Collaborate closely with engineering teams and architects to translate designs into robust, production-ready solutions

Qualifications and Skills:

  • Strong experience in software engineering with a focus on integrations and API development
  • Solid knowledge of API design and event-driven or messaging-based architectures
  • Experience working with cloud environments and modern development and automation practices
  • Good understanding of distributed systems and microservices architectures
  • Knowledge of security principles related to system integrations and data exchange
  • Strong problem-solving skills with the ability to troubleshoot complex integration challenges

Additional Information:

  • Candidates must be locally based and able to attend onsite work regularly (minimum requirement applies)
  • A limited number of applications will be accepted per submission in line with process guidelines

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.

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