Job Openings Senior Full Stack Engineer | OneWelcome

About the job Senior Full Stack Engineer | OneWelcome

On behalf of One Welcome, Europe's #1 Identity Platform, we are looking for a:

Senior Full Stack Engineer

As a senior full stack engineer you will join the team that is responsible for the entire delegation and authorization platform that allows organizations to securely connect identities through roles and their associated entitlements, while leveraging self-service capabilities.

The platform is built upon our existing capabilities for delegated user management, customer care and self-service, but provides powerful and flexible access management capabilities that allow companies to manage users and access to applications through delegation, entitlements and customization.
In the team you will not only develop new features, but also coach and help your more junior colleagues. You will also be involved in technical discussions, to figure out the best solution to the challenges the team faces.

Your time will be spent on:

  • Development: 50%
  • Meetings: 15%
  • Coaching colleagues: 15%
  • Support & Maintenance: 20%

What you need to succeed?

You are a senior experienced (>5 years) Full Stack Engineer. You have experience with React.js, Node.js, MongoDB, RestAPI,  knowledge about Elastic Search and Redis.

You have solid applied knowledge of professional software engineering practices and best practices for the whole software development lifecycle, including coding standards, code reviews, source control management, build processes and testing.

You have excellent communication skills and like to work in collaborative environments. You know that alone you will get there quicker but working together will get you much further in the end. You know what it is like to work in an Agile development team. You speak and write fluent in both English and preferably in Dutch.

Why join this team?

You will be a part of the largest European security tech hub around Online security for external identities (CIAM). Work together with high end professionals, work on innovation and the latest technology. Your software will be used by millions of Europeans. You are a part of an international team. You will work in a scale up culture (work hard, party hard), annual company trips to different European countries.

What will we offer you?

  • A generous salary and ditto retirement benefits
  • A crucial role in our organization, where your success is an essential factor to our success as a company
  • A position at one of the largest European CIAM vendor
  • Working with highly skilled professionals as motivated and driven as you are
  • A flat organization where politics are at a minimum
  • A fantastic work hard/play hard scale-up environment
  • Yearly company trips
  • Celebrating successes
  • Free lunch,snacksand drinks


OneWelcome currently is the largest European CIAM and B2B SAAS vendor. Our vision is centred around connecting and protecting people, businesses, and things. We believe in creating optimal balance between ease-of-use and safety in the user-journey. No matter if it is for a day, a full lifetime, just temporary or occasionally. Who the user is, what the user is allowed to do, enabling the user to opt in or out defines the relationship and its governance. Identity management is the basis of every online interaction and a true precondition in the implementation of any digital strategy.

Contact information

Are you interested, but do you still have a question? Please feel free to contact Barbara Boid, [email protected]

Of course, you can already apply for this unique opportunity too! To do so, click on the button "Solliciteren" and send us your CV and motivation letter. Please state your salary requirements and earliest possible start date when applying.