Full stack Developer | The Hague | € 4,300 - € 6,800 | Hybride

We are looking for an experienced Fullstack Developer who wants to work on high-traffic, business-critical applications used daily by millions of users.

You will be part of a technology-driven environment where availability, performance and security are fundamental. The platform operates in a regulated market and requires continuous stability, scalability and technical ownership.

The role

As a Fullstack Developer, you contribute to the development and evolution of web applications and backend services that directly impact user experience and operational reliability.

Your responsibilities include:

• Developing clean, maintainable and testable frontend components
• Building high-performance and highly available APIs for web and mobile clients
• Integrating services within a broader cloud-native architecture
• Designing and maintaining CI/CD pipelines
• Deploying infrastructure using Infrastructure as Code
• Contributing to architectural decisions and technical standards
• Coaching peers and safeguarding code quality

You will work in a multidisciplinary team closely aligned with product and business stakeholders. Decision-making is data-driven, and teams have end-to-end ownership of their products.

Tech stack

Core technologies:

• Vue 3 (TypeScript)
• C# / .NET 10
• Azure (cloud-native microservices architecture)
• Git
• Terraform

Additional technologies include:

Vite, Vitest, SignalR, MongoDB, Redis, Entity Framework Core, Kubernetes, Azure DevOps and Jira.

The environment

You will join a central technology department responsible for building and maintaining modern digital platforms. The team you’ll be part of owns a fully integrated online platform connected to backend APIs and CMS systems.

Key technical challenges include:

• Ensuring high availability and reliability
• Optimizing performance at scale
• Operating within a regulated and security-sensitive environment
• Continuously improving functionality based on user data and feedback

The team works in an agile setup, with room for technical input during refinements and architectural discussions.

What we are looking for

• Bachelor’s or Master’s degree in a technical field
• Minimum of 5 years of experience in a professional development team
• Strong experience in both frontend and backend development
• Solid understanding of modern web architecture and cloud-native systems
• Experience working in agile environments
• Ability to challenge requirements and propose technically sound solutions

You take ownership of your work, value transparency, and contribute actively to retrospectives and continuous improvement.

What you can expect

• Salary between € 4,300 and € 6,800 gross per month, depending on experience
• 32–40 hours per week
• Bonus scheme
• Hybrid working model