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Full Stack Developer

  • OneSpan
Brussels, Belgium
  • OneSpan
Brussels, Belgium

At OneSpan, we're reimagining trust to help businesses to thrive by enabling secure, compliant, and frictionless digital agreements and transactions. Across the globe, we are trusted by global enterprises, including more than 60% of the world's largest 100 banks, to enrich their customer experience and mitigate threats today, while preparing to take full advantage of what's coming tomorrow. With a bold vision and an ambitious opportunity ahead of us, we are looking for creative thinkers and fearless ideas that will disrupt our industry.

We are building from the ground up our solutions for our Security SaaS Foundation. As a Full Stack Developer, you will work on new and strategic projects and help to reshape authentication solutions. You are responsible for designing, building the Cloud Native services and solutions using the latest best practices and technologies and participating in providing an extensible ecosystem allowing OneSpan to enable new business models and new opportunities to grow its business. Come join us and have your voice heard as this is the moment to influence the future of OneSpan’s offerings, products, and services.

You will communicate and collaborate with other software engineers, product architects, security specialists, and other stakeholders to contribute to product evolution, and acquire new knowledge and skills.

This position is open to candidates who have their residence in Belgium. This role is hybrid(office in Diegem where you would go to +/- 2 days/week).


  • Design and develop responsive, high performance, accessible, secure, reliable React-based web applications;

  • Work on our entire tech stack based on Java, JavaScript, React, Maven and Docker;

  • Participate in system and architecture design within an Agile team setting. Face challenges, solve problems, take decisions, deliver features and celebrate together;

  • Build quality into the product, including how & when to use unit, integration, and end-tot-end automation tests;

  • Learn about and contribute to the development and evolution of our CI/CD pipeline built atop AWS and GitLab;

  • Be open to learn and contribute on various technologies in our tech stack;

  • Provide training and support to different teams on the application.


  • Master or Bachelor degree in Computer Science, Information Technology or related field or any combination of related education and/or experience;

  • Minimum 3 years of experience in design/development of web applications;

  • Strong experience with end-to-end release and deployment of web applications;

  • Deep knowledge in HTML5, CSS, TypeScript, React;

  • Experience with Java and Java Frameworks such as spring;

  • Solid experience with version control tools, preferably git;

  • Experience with unit tests and integration tests frameworks;

  • Excellent written, oral communication and interpersonal skills;

  • Ability to work both independently and in a team-environment;

  • Ability to work under critical project timelines in a fast-paced environment;

  • Fluency in English.


  • Experience with REST;

  • Understanding of Agile methodologies;

  • Experience in data modeling and database design;

  • Experience in cloud computing and hosting;

  • Experience in teaching and guiding other developers on subjects where they need mentoring;

  • Experience in leading technical work (designing, coding, reviewing, testing and deploying).

At OneSpan, we challenge the now by thinking ahead, speaking up, and working together to constantly improve. Everyone is an integral part of our mission, with an equal opportunity to participate and make a global impact. Because we know that real connections are built on autonomy and trust, we always engage with open minds and promote diversity in our thinking and in our culture. The more voices we have represented and amplified, the more we will all thrive, contribute, and drive our industry forward. That's why we encourage everyone to bring their whole self to work and be open to different ideas, new challenges, and new possibilities.
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