Senior Frontend Developer


Location: Amsterdam or The Hague, The Netherlands

Are you that excellent Senior Frontend Developer who wants to make a difference working on our innovative AI based cognitive content management platform using the latest technology and techniques? We are Onior with offices in The Hague and Amsterdam.

As a Senior Frontend Developer, you understand the intersection of user experience, design, and backend services of software solutions.

You will become part of our enterprise software product team. This product team consists of Scrum teams featuring multiple disciplines like Product Owner, Software Architect, Test Automation Specialists, DevOps engineers, Frontend Developers, Backend Developers collaborating to offer the best product for our clients.

You will be responsible - together with your Scrum team - for delivering the presentation layer and integration with the backend services. We use state of the art frontend technologies, applying container technologies part of continuous integration and delivery setup.

Who are you?

  • At least 4 years of work experience as a Frontend Developer with expertise in React, Redux, Apollo, JavaScript, CSS3 working on enterprise grade software;
  • Hands-on experience in working in Scrum teams;
  • Passionate about writing good quality code and implementing creative solutions;
  • Business sense: you balance technical perfection with business needs and priority;
  • Preferably you have experience in product development;
  • Good communication and collaboration skills;
  • Based in The Netherlands.

About is the provider of intelligent content management. Our platform leverages innovative artificial intelligence (AI) and machine learning technologies to process and manage unstructured information, such as scanned documents and images, to gain added value from them. In doing so, the platform can automatically analyse, enhance, enrich and improve content and retrieve data more accurately.

The platform integrates seamlessly with business applications and processes in the current IT landscape, which means it can process unstructured content in existing systems. This enables our clients to respond to the explosive growth of information and the actions required to store data in the correct manner, compliant with privacy legislation (GDPR).

What do we offer?

  • A challenging and responsible position within an ambitious and growing (international) organization;
  • Working on innovative software product leveraging state of the art technologies;
  • A pleasant work environment where you can take ownership, share ideas and launch new initiatives;
  • Freedom in planning your work;
  • A good salary that meets your background and work experience;
  • 26 holidays per annum (based on full-time FTE);
  • A study budget for personal development.


If you are interested in this role, please apply by sending your resume (CV) and motivation to

Please note: this is a permanent position, freelance is not an option.
Acquisition based on this vacancy is not appreciated.