API QA Engineer


About Zumo

Zumo is the blockchain-powered finance platform that brings the benefits of blockchain and digital currencies to people and businesses everywhere. Driven by transparency, accessibility and financial inclusion, weโ€™re on a mission to provide a new generation of smart money solutions for a new, decentralised economy - bringing financial wellness to people everywhere, not just the most tech savvy or financially literate. Weโ€™re growing super fast and building an incredible, diverse culture; we need people who share our values to join us on the journey and help us build a better financial future.

Job Purpose

To provide best in class quality assurance and testing support for the infrastructure systems built by Zumo Development team. Youโ€™ll be part of a remote-based team consisting of four developers.

Reporting line

Lead Developer in Zumo Kit team and CTO


ยฃ40,000-ยฃ45,000 (depending on experience)


As a Test Engineer on the ZumoKit team, you are responsible for testing the infrastructure systems built by the team. You will proactively participate in discussions with the team regarding technical issues, testing automation and improving deployment processes. You will create detailed test plans, run tests, triage issues, identify opportunities for automation, write the necessary scripts and introduce required tools to scale the testing framework. This is a critical position with ownership of the overall quality and robustness of the infrastructure systems the team develops.


  • Jest/mocha/jasmine
  • Javascript
  • Automation testing
  • API testing
  • Understanding of testing methodologies including UAT, system, integration and regression testing
  • Excellent logic and problem-solving abilities


  • 2+ years of experience in QA software development environment


  • Solution oriented, highly-motivated and proactive self-starter
  • Outstanding organisational and communication skills and the ability to balance multiple priorities
  • Exceptional communication and presentation skills


  • Building state of the art product with zero bugs
  • Hunger to grow with your team and introduce positive changes


  • Experience with writing code in Node.js
  • Previous experience of leading QA teams advantageous
  • Familiarity with crypto and some knowledge of its underlying technology and the wider blockchain ecosystem a plus


Zumoโ€™s internal mission is to create an environment where you can create the best work of your career. In order to do that, we offer:

  • A remote first hybrid work environment - Everyone does their best work in different environments. We operate as a remote first hybrid team, giving you the flexibility to work wherever suits you best.
  • Professional development - We focus on fostering a culture of learning, curiosity and ongoing professional development.
  • Pension - We give you flexibility to opt in to our voluntary company pension scheme.
  • Unlimited holiday - Having plentiful โ€œoff the gridโ€ time is key to doing your best work. We offer flexible time off. Take time when you need it and receive a ยฃ500 bonus when you take five or more consecutive days off.
  • At Zumo, we believe in the strength that difference brings to our business, our culture, and our community. We value the opinions and experiences of all our colleagues and are proud to be an equal opportunity employer.

Our values

Inclusion inspires

  • Zumo is accessible to everyone, everywhere
  • We believe that the benefits of crypto and blockchain are for everyone
  • Our decision-making is founded on the balance between people, profit and planet

Transparency wins

  • The technology that we build has usability and security at its core
  • We seek to make the complex simple
  • We donโ€™t use jargon

Unshakable commitment

  • We bring our A game to work every day
  • We believe that great productivity comes from a tranquil environment
  • We give feedback in a respectful way

Love the adventure

  • We donโ€™t take the easy path unless itโ€™s the right one
  • Weโ€™re constantly exploring to find the best way
  • We accept failure as part of the road to success

Towards a sustainable world

When it comes to crypto, we donโ€™t believe progress should come at the cost of the environment. As the sector develops and matures at unparalleled pace, we have the perfect opportunity to ensure we develop products and behaviours that will help the future of the planet. And we believe we can play our part in demystifying the information surrounding digital assets and their impact on the climate, helping everyone to understand, assess and contribute to the decarbonisation of the industry. Find out more about our net zero strategy, partnerships, environmental pledge and work to decarbonise the sector on our webpage here.

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