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Critical Software

QA and software tester

Location: Porto

Area: IT


Working with us is like nothing on earth. Every day, our teams across the globe challenge the limits of human achievement, engineering solutions for our planet and beyond. Our astronomically talented engineers build rock-solid software for leading industries’ most critical applications.

With every small step and giant leap you take on your journey with us, you’ll be supported by a world-class team, structured training programmes and a caring, ambitious and pioneering culture. It’s time to challenge your limits. It’s time to give your career the rocket boost it deserves. It’s time you joined CRITICAL Software!


  • Working in an experienced, motivated and dynamic team, targeted towards excellence and willing to support team members in daily challenges
  • A career plan that includes a twice-a-year performance appraisal with mentoring activities
  • Opportunity to work in challenging and diverse industries such as aeronautics, space, defence, transportation, manufacturing, telecom, government, energy, financial services and health
  • An annual training plan that includes specific certified training with classroom sessions
  • Various benefits such as mobile phone packages, health insurance, fruit at work and team building activities


  • Contribute for the planning, management and control of all related testing activities
  • Write test plans and contribute to preparing test schedules
  • Write test specifications, test cases, and test procedures
  • Responsible for the automation of all the related testing activities
  • Assure that the products are effective, accurate, suitable and free from defects, operational problems and errors


  • Quality is treated as a priority from start to finish
  • Proactive learners wanting to expand their skill base
  • Good communication skills and wise use of initiative
  • Those who enjoy a friendly yet productive working environment


  • Must have experience with test automation frameworks and tools used to automate the execution of web based and API based tests
  • Must have experience with test automation tools used to manage and control the test specification and execution activities
  • Must have experience with different SDLC models, such agile and waterfall
  • Must have knowledge and experience with test automation techniques
  • Must have knowledge and experience about the techniques used to create and optimize test cases
  • Good writing skills and language knowledge (with special relevance in English) are also strongly desirable
  • Must be able to write appropriate technical and management reports
  • Basic knowledge on SQL, scripting and programming languages
  • Experience with continuous integration tools and source code quality analysis tools, procedures, configuration and usage will be taken into consideration
  • ISTQB certification is not mandatory but will be taken in consideration