Cyber, Security, Security Professionals, Security Domain, ICT, Cyber Security
Permanent employment
Bachelor (EQF 6), Master (EQF 7)
Apply before:
Hours p/wk:


Job Description

As a Senior UI Engineer at EclecticIQ, you’ll help build a large scale web app which helps cyber threat analysts to perform faster, better and deeper investigations.

You’ll work closely together with product owners, UX designers and backend engineers in feature teams to solve challenging problems and deliver valuable features. Within the UI engineering team you’ll learn, teach, pair, review code, do technical design, implement best practices and help continuously improve the team. We free up time outside of the regular product development cycle to work on your own ideas, and to deal with things like technical debt.

The UI is a standalone single page application built with React, Flux/Redux, ES2015+, Jest and other buzzwords. On the backend we use technologies such as Python and Elasticsearch.



  • Proven experience building large scale application with Javascript, React, Redux or similar technologies
  • Solid understanding of modern tooling such as Webpack, Babel, Yarn, etc.
  • Experience with writing tests and automation testing with Jest, Enzyme, Cypress and/or similar
  • Skills to architect efficient and reusable frontend abstractions
  • Strong knowledge of Javascript and functional programming


Nice to have

  • An appreciation for design and user interaction
  • Experience with Flow/Typescript and GraphQL
  • Contributes to open source



  • Full-time position
  • Start date: as soon as possible
  • Market conform salary and ESOP participation
  • Location: EclecticIQ office in the city centre of Amsterdam
  • 24 vacation days, based on full-time engagement
  • Remote friendly work environment


About EIQ

EclecticIQ enables intelligence-powered cybersecurity for government organisations and commercial enterprises. We develop analyst-centric products and services that align our clients’ cybersecurity focus with their threat reality. The result is intelligence-led security, improved detection and prevention, and cost-efficient security investments. Our solutions are built specifically for analysts across all intelligence-led security practices such as threat investigation, and threat hunting, as well as incident response efforts. And we tightly integrated our solutions with our customers’ IT security controls and systems. EclecticIQ operates globally with offices in Europe, United Kingdom, and North-America, and via certified value-add partners.