Permanent employment
Associate degree (EQF 5), Bachelor (EQF 6), Master (EQF 7)
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Hours p/wk:


Job description

As a Senior Frontend Engineer at EclecticIQ, you’ll help build a web interface of XDR platform. XDR platform is designed to help cyber security specialist and threat hunters to detect, analyze and respond to malicious activity. You’ll work closely together with product owners, UX designers and backend engineers to solve challenging problems and deliver valuable features. Within the UI engineering team, you will pair-code, review code, do technical design, implement best practices and help continuously improve the team.



  • Successfully execute against the mission of implementation of the EclecticIQ XDR Platform frontend client;
  • Work with necessary stakeholders from inside and outside the team to design and develop a modern accessible and performant user interface;
  • Collaborate with other UI engineers, providing technical feedback (code reviews etc.) and promote UI implementation standards and best practices;
  • Contribute to the design and development of our design system;
  • Effectively work with the XDR teams, UI practice members, UI engineers from other development teams and the UX team.


  • At least 5 years of experience building software with JavaScript;
  • At least 3 years of experience with designing and implementing front-end applications;
  • Proven experience in developing large-scale accessible and performant applications with Typescript;
  • Experience in designing and building large scale React applications or applications with similar component-based UI libraries/framework;
  • Solid understanding of modern tooling such as Webpack, Babel, Yarn, etc.;
  • Strong understanding of performance monitoring, optimization techniques and approaches for modern web applications;
  • Experienced in testing best practices and automation testing with Jest, Cypress and/or similar technologies;
  • Strong team player attitude, willingness to pick up and own a variety of tasks in a small team, building a software product from the ground up;
  • Experience with GraphQL and GraphQL client libraries (e.g. Apollo, Relay) is a plus;
  • Contribution to open source and appreciation for design and user interaction is an advantage.



Working with EclecticIQ means an exceptionally challenging and dynamic industry that has a positive impact on the world. We offer a full-time position with a competitive salary, 24+1 annual holidays, and an appealing education budget (including a corporate Coursera account)! On top of that, we have a hip, home-like working place in the heart of Amsterdam, while you are welcome to work from home with flexible work hours. Working at EclecticIQ means working with the latest technology and solving interesting problems. We are backed by international investors to build the future together!


About EclecticIQ

EclecticIQ is a global threat intelligence, hunting and response technology provider. Its clients are some of the most targeted organizations, globally. To build tomorrow’s defences today, they have to understand the threats against them – and align their efforts and investments to mitigate their risks. EclecticIQ helps governments, large enterprises and service providers manage threat intelligence, create situational awareness and adopt an intelligence-led cybersecurity approach. EclecticIQ extended its focus towards hunting and response with the acquisition of Polylogyx’s endpoint technology in 2020. Founded in 2014, EclecticIQ operates globally with offices across Europe, North America, and via value-add partners.


In case of any questions or queries, please reach out to our Talent Management Partner at brenda@eclecticiq.com.