Job opportunity: Medior Back-End Developer
32 - 40 hours 

Do you want to join an ambitious and international team? Are you focused on getting things done? If so, we offer you the chance to join a multi-disciplinary team and work in an innovative start-up environment with a lot of freedom and responsibility. As a Medior Back-End Developer you will be responsible for building modern APIs, integrating AI models and integrations in a microservices architecture using Python and PostgreSQL. You will be building reusable, testable components and libraries for future use and make sure that your work is robust, testable and easy to maintain. You will be managing development cycles, maintaining our platform, and keeping customer data secure. You will be integrating with various components in the platform and release the solutions you made to production with the help of your team members.

Requirements & qualifications:

  • BSc or MSc in Computer Science or similar.
  • Proficiency in Python and PostgreSQL.
  • Experienced with implementing microservices.
  • Experience with test automation: unit/integration/functional testing
  • Knowledge of modern authorization mechanisms, such as OAuth and JSON Web Tokens.
  • Familiarity with modern build pipelines and tools.

Tasks & responsibilities:

  • Work closely with the development team and the wider group of stakeholders.
  • Create, extend and maintain architecture, database schemes, APIs and integrations with various systems in the platform.
  • Creating automated tests for your code.
  • Write and keep up to date API documentation
  • Improve and maintain code quality within the team (e.g., code reviews, linting, etc).
  • Building reusable components and libraries for future use.
  • Good in English and preferably in Dutch.

Nice to have:

  • Experience working in an agile environment.
  • GIS and GEO knowledge.
  • Familiarity with AWS, FaaS and Docker.

This is who you are:

  • You are proactive, a team player, a self-starter and a problem solver.
  • You are able to work independently and collaboratively as needed. 
  • You enjoy working in an agile team.
  • You are open-minded and approachable.
  • You have the ability to understand user needs and think strategically about business opportunities.

What can you expect:

You can expect an awesome start-up culture where everything you do matters! An environment where you can develop yourself fast and have the freedom to create your own role. A unique opportunity to work in national and international markets. In an environment where new ideas and initiatives are welcomed. 

We are a company focused on constantly improving and pushing the boundaries of what is possible with innovative AI solutions in asset management. 

We offer:

  • A responsible and dynamic function;
  • An informal and flat organization;
  • Competitive salary;
  • 25 vacation days;
  • Attractive pension plan;
  • Permanent contract.

If you are looking for this job please let us know by sending your resume and a motivation letter to

Acquisition in response to this vacancy is not appreciated.

Explore the world of AI with Kaios is a start-up focused on building cutting-edge AI solutions in the field of asset management, for national and international customers. 

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