Backend QA Engineer

Lightcurve GmbH · Full-time

Job Description

Backend QA Engineer

Lightcurve GmbH · Full-time


Job Description

Welcome to Lightcurve, Berlin’s biggest blockchain studio! In close cooperation with the Lisk Foundation based in Switzerland we are developing a platform by developers for developers to fulfil our mission - to make blockchain technology accessible. Lightcurve team members are hard-working and fun-loving, always on the search for the most outstanding colleagues to push the boundaries of blockchain technology together. You can find more information about our products here: and on GitHub

We are looking for a Backend QA Engineer with experience in writing unit/functional tests, ideally with Chai, Mocha or Jest that can help the Lisk project achieve the very highest standards in code quality, performance and security. Here you will have the opportunity to contribute to the design, implementation, testing, and deployment of ​software.


  • Experience in automated backend QA (3+ years)
  • Ability to write unit/functional tests for NodeJS backend application
  • Ideally experience with the following testing tools: Mocha, Chai, Cucumber, Sinon, Jest
  • Experience in debugging with NodeJS and troubleshooting issues and providing developers with useful feedback
  • Understanding of CI (ideally Jenkins) and basic Unix/Linux commands 


  • Understand the requirements and proactively identify missing test cases
  • Improve code quality by implementing identified test cases
  • Collaborate with the development team in an agile environment (SCRUM) 


At Lightcurve, you find a wide range of benefits: an international and welcoming team, dynamic work environment, relocation package, modern office space in the center of Berlin, regular team events, top-of-the-line equipment and personal development plans.

Apply now

Do you think you are a great fit for our team? Apply directly on the Careers page of website and send us your CV and cover letter. We speak over 20 different languages here at Lightcurve, but please make sure your application is in English.

Find out more about us on Check out what we are crafting on Want to learn more about blockchain technology? Discover the Lisk Academy!



JS, Node.js, Backend Engineering, Mocha, Sinon, Chai, Cucumber, Jenkins, understanding of CI and basic understanding Unix/ Linux commands

Apply here!

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