Frontend Developer

Castor Edc | Amsterdam, Netherlands

Date listed

9 months ago

Employment Type

Full time



Total Funding

$7.4 million

Glassdoor Rating

5/5 (6 reviews)

We are looking for a Junior Frontend Engineer with a strong interest in UI and user experience,  for a 6-month traineeship with the opportunity to extend. At Castor, you will work closely with our product designers, product owners, QA and front-end engineers to help build the underlying UI components for the next generation of our products.

Your profile: 

  • You are looking to start your career as a front-end engineer and you aspire to specialise in building good user experiences for every user.
  • You are comfortable working in an ES6 / Javascript environment and have already worked on a Javascript-based application or web platform. 
  • You are interested to develop your skills around cross-product design systems, web accessibility, TypeScript, React, Styled Components, Jest, etc.

The project:

Ultimately,  we are aiming to create a component library that will free our engineering team from any UI-related work. As part of the design system team, you’ll be converting our existing interface into reusable components in line with best practices. Your tasks will include: 

  • Build React UI components in close collaboration with our design team
  • Contribute to the improvement of our pipelines and workflows (Node scripts, integration between design tooling and our UI library)
  • Ensure the maintainability of this project by contributing to its documentation and the test coverage of our packages (unit and functional tests)
  • Continuously analyse and follow design systems UI and technical trends

Our offer: 

  • Six months traineeship with the opportunity to extend to a one year contract
  • Compensation package including 30 holidays annually, pension & company bonus
  • Working in a supportive, rapidly growing team that’s helping clinical researchers worldwide
  • Fresh and healthy lunch and snacks, and company outings 
  • Flexible working with the option to work from home one day per week
  • Shiny new office in the Amstel area
  • Fun and experienced international team to work with

You can learn more about this traineeship on our careers website.