facebook tracking

QA Engineer


Technology is at its best when it just happens, zero interference, zero friction – it just works, like magic!

That’s what we’re working on. FIDEL is a card-linked API that lets developers create web and mobile applications for linking banks cards with reward services. FIDEL API lets you connect your applications to credit and debit cards and monitor transactions in-store and online, chip & pin or contactless. Our vision is to create a card-linking API that is able to spot any financial transaction in the world and connect it to any service. 

We are developing this brand new and pioneering technology in partnership with Visa, Mastercard and American Express. We are looking for someone passionate and enthusiastic about innovation and technology that wants to be part of this journey.



  • In-depth knowledge of and experience with at least one automated testing tool (Selenium, Cucumber, TestComplete, Katalon etc.)
  • Ability to write scripts to automate tests
  • Experience collaborating with product managers and developers to discuss business requirements and test scenarios
  • Experience with automated QA tests and continuous integration pipelines (Jenkins, AWS CodePipeline, AWS CodeBuild, CircleCI, TravisCI)
  • Being able to apply software measurement techniques and metrics (performance benchmarks, stress tests etc.)
  • Ability to write JavaScript and/or Ruby code is a plus


  • Create a quality assurance strategy for a portfolio of web applications, mobile SDKs and RESTful APIs
  • Implement quality control procedures for each of the products following an agile methodology


  • Make real impact in a fast growing team
  • Work in a fun and creative environment in Soho
  • Flexible times, occasional remote work, unlimited coffee (or beer), table tennis, team lunches, afternoon drinks, annual team retreat, health insurance, Perkbox membership, ...
Apply for this job

Or, know someone who would be a perfect fit? Let them know!


National House
W1F 0TA London Directions hello@fidel.uk +44 (0)20 3815 5772


We're committed to making Fidel a fantastic place to work and we go to great lengths to give you what you need to succeed. You’ll receive:

  • Share options - you are part of the Fidel’s success. So why not share the rewards
  • Unlimited leave
  • Flexible working - work from home or abroad when you need to
  • Vitality health insurance
  • Perkbox benefits scheme
  • A fully stocked kitchen with unlimited snacks & refreshments
  • Friday team lunch & drinks
  • Pension with Smart Pension (employer contribution 2% of base salary)
  • Dinner if you need to work late
  • Unlimited budget for any software or books you need


Applicant tracking system by Teamtailor