Manual QA Engineer

Bucharest, Romania · QA and testing

CO2HERO is fast becoming the world's leading app to take climate action.  

We connect businesses committed to a positive impact for the planet with a global community committed to making eco-friendly choices. In particular, we guide our users to cut down on their CO2 emissions through different lifestyle activities such as commuting, recycling, reusing, food …. just to name a few.  

CO2HERO is a (SaaS) scale-up. Our clients are Fortune 500 companies. We have a global vision and exist to encourage change in everyday behavior, in a balanced way.  

As one of our customers said “CO2HERO is a one-stop platform for carbon-friendly actions that combines gameplay, competition, and climate science no matter where people may be in the world”. 

We are looking for a thorough and detail-oriented tester that have good experience with both iOS and Android mobile apps and who shares our passion in creating impact to cut down CO2. You will be the first tester and help the rest of the development team to make our amazing app even better and support our administration desktop website. 



  • Manual testing of Backend & Mobile; 
  • Review requirements documents; 
  • Creating and executing test documentation; 
  • Active participation in the development process. 

Required skills 

  • 2+ years of Manual QA/Testing experience;
  • Experience in testing mobile applications on mobile devices;
  • Hands-on writing test documentation (test cases, checklists, test plan, bug reports);
  • Experience with bug tracking system, issue tracking, and project management systems;
  • Knowledge of bug reporting and bug life cycle; 
  • Feels at ease working in English - intermediate level or higher. 

As a plus 

  • Experience with A/B testing; 
  • Experience using Postman or GraphQL. 
  • Experience with load testing. 
  • Experience with testing Desktop administration sites. 

As part of our team, you’ll enjoy 

  • Ability to work directly with Lead developer from Denmark who has wide experience working with global dev teams  
  • Working in a team of smart, creative people  
  • Flexible working hours  
  • Paid vacation
  • Paid sick-leaves
  • Corporate events
  • Nice office in Bucharest
  • Coffee and cookies in the kitchen, parties, lunches, etc.