You're building a trading dashboard with real-time data. They currently only have a read-only dashboard. This dashboard needs to be interactive etc. The role is intentionally full-cycle (≈60% backend / 40% frontend), where dashboards are operationally critical, not just a nice-to-have. Clarifying: C#/.NET as mandatory backend stack Frontend/dashboard development as a real responsibility will significantly improve candidate quality and alignment, reducing mismatch and interview overhead. Requirements • Strong full-stack experience (backend-focused) • Backend (must-have): • C# / .NET • REST / gRPC APIs • Distributed systems & integrations • SQL / data platforms • Vue or React • JS/TS, HTML/CSS • Dashboard / data UI development • Understanding of: • Real-time / streaming (Kafka or similar) • Security, scalability, reliability • Agile + Git • Independent, strong communicator Nice to Have • Kafka / gRPC • Trading / financial systems • Time-series data • Observability / monitoring

Remote · 6 months (extension possible) · 30+ hrs/week

We are seeking a talented Fullstack Developer to join our dynamic team located in Noord-Holland. The ideal candidate will collaborate closely with our product managers and designers to develop and enhance our web applications. You will be responsible for both front-end and back-end development, ensuring seamless integration and a responsive user experience. Your expertise will help drive the successful delivery of our projects as we aim to improve our platform's functionality and performance over the next 6 months, with the possibility of extension based on project needs. The right candidate will possess a strong background in various web technologies and frameworks, demonstrating proficiency in both client-side and server-side programming. You should have a passion for coding, a problem-solving mindset, and the ability to work both independently and as part of a team. As we aim to meet tight deadlines while maintaining high-quality standards, effective communication and time management skills are essential. If you are ready to take on new challenges and contribute to meaningful projects, we encourage you to apply.

Remote · 6 months (extension possible) · 30+ hrs/week