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Senior Front-End Developer

Qardio, is on a mission to make heart health easier, smarter and better for everyone. As a leading brand in the digital health and technology sector, we are hiring an ambitious and experienced Senior Front-End Developer to join our team.


Our world leading consumer healthcare and medical products bring the potential to transform healthcare for millions of people. We are looking for an ambitious, hardworking individual, with an acute eye for detail and a passion for mobile applications to be part of the engineering team.

The Senior Front End Developer, who is a JavaScript enthusiast and passionate for AngularJS, CSS3 and HTML5, is responsible for managing, developing, and deploying innovative web applications. 


  • Develop, design, and code a highly visible, responsive website, agnostic of the toolset
  • Provide exceptional programming and analytical skills to develop innovative web application
  • Exercise cross-disciplinary skills to include security testing, performance testing, tuning, and unit testing
  • Interact confidently and enthusiastically with a highly distributed and diverse team
  • Analyze business and user requirements for web applications
  • Acquire necessary assets
  • Value product excellence and team success over individual productivity
  • ​Collaborate with key stakeholders to bring new features and services into production 

Successful Candidates will have:

  • 4+ years experience as a Front End Developer
  • Hands-on experience in writing modular, object oriented JavaScript
  • Knowledge of programming architectures and design patterns
  • Highly skilled with Angular
  • Strong experience with HTML5, CSS3, SASS and D3
  • Experience with Node, NPM, Browserify
  • Experience with JSON RESTful APIs
  • Comprehensive understanding of source control with branches, tags, and merging (Git preferred)
  • Thorough understanding of HTTP, XML, JSON and REST
  • Ability to write high-performance, reusable code
  • Experience troubleshooting cross-browser compatibility issues
  • Experience with Agile methodologies and software development best practices
  • Ability to work effectively in a fast pace team environment
  • Self-motivated with the ability to explore new technologies and applications
  • Awareness of the importance of privacy and security
  • Strong written and oral communication skills in English
  • Bachelor's degree in Computer Science, Engineering or equivalent field


What we offer:

  • The ability to control your own career path and grow into a leadership role with an innovative company
  • Great working conditions, flexible work-hours, holiday plan, 25 days of leave annually and training
  • The ability to participate in a cutting-edge field of creating digital healthcare products
  • The opportunity to work in an international environment working with others from different cultures, countries and backgrounds
  • The chance to work in the heart of Amsterdam
  • Visa sponsorship
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