149 developer English-speaking jobs in South Holland

Developer tools. Systems software. Products you've built from scratch.

You work with TypeScript, or you are a strong developer in another modern language and happy to switch

continuously improve infrastructure and platforms for application development, with a strong focus on developer

We are hiring a software development engineer to deliver gap capability work packages on integrated command and control systems in The Hague. It is a genuine mix of new build and the harder, more interesting job of modernising software that has been in service for years.

You are not only the team captain but also a hands‐on developer, spending 75-80% of your time coding,

Den Haan Rotterdam (DHR) is a family business, founded in 1922, and known worldwide as a developer and

Den Haan Rotterdam (DHR) is a family business, founded in 1922, and known worldwide as a developer and

Functieomschrijving As a Junior full-stack .NET developer in one of our teams you will: Contribute to

Develop and debug VBA solutions in Access and Excel. Contribute to migrating Access solutions to SQL Server. Utilize Python for web development and scripting. Perform ETL on complex datasets and create visualizations with Power BI. Collaborate with teams to implement new features and maintain technical documentation.

We're looking for a Lead Frontend Developer who doesn't just build great interfaces, but who shapes how

Senior Backend Developer Location: Leiden, Netherlands Application deadline: 30 June 2026 Reference number ... We are currently recruiting a Senior Backend Developer to support our cyber-security software activities ... As a Senior Backend Developer, you will contribute to the design and implementation of backend services

Senior Python Developer Department: Cyber Services and Capabilities Employment Type: Full Time Location ... We are looking for a highly skilled and experienced Senior Python Developer to join our dynamic team.

Senior Frontend Developer Location: Leiden, Netherlands Application deadline: 30 June 2026 Reference ... We are currently recruiting for a Senior Frontend Developer to support our cyber-security software activities ... As a Senior Frontend Developer, you will contribute to the design and implementation of modern web applications

Python DeveloperRole summaryThe Lead Python Engineer works on external client projects to design and deliver high-quality data-processing solutions and back-end services that support the clients business vision. This is a hands-on technical leadership role, combining day-to-day development with responsibility for technical direction, solution design, and code quality.

Founded in 1998, cosine is a world‐leading developer of space instrumentation and measurement systems

You work with TypeScript and Node.js, or you're a strong developer in another modern language and happy

contract, with the aim of long-term collaboration About Cosine Founded in 1998, cosine is a world‐leading developer

You will ensure engineering standards are held high and remove impediments to provide a smooth developer

As a Software Developer at Robin Radar, you will do just that!   ... A minimum of 5 years' experience as a C++ Software Developer.

Responsibilities: • Participate as a Senior Backend Developer in one of four agile Scrum teams focused