Senior Manual QA/Tester

At Upside, we’re not just shipping features - we’re partnering with ambitious companies across the globe to solve complex, meaningful problems through technology. We work in small, focused teams, combining engineering, product thinking, and design, to deliver outcomes, not just output.

Open-source is a strategic part of our work. We build and maintain a number of open-source projects that support our clients and internal R&D. Our latest release is Enthusiast, an AI Agent framework tailored for e-commerce use cases.

Role Overview:

As a Quality Assurance Engineer, you will ensure the highest standards of software quality by conducting comprehensive integration, regression, and acceptance testing, in addition to assisting in bug reproduction and retesting of fixed tasks. Your role will involve creating and maintaining essential QA documentation and working closely with developers, project managers, and customer representatives to facilitate seamless project execution. You'll be part of a development team, sized between 3 to 9 members, dedicated to crafting scalable and resilient systems.

Job requirements

• 3+ years of commercial experience in software testing,

• Advanced manual testing skills and experience in creating and maintainingtesting processes,

• Intermediate automation skills, with practical experience in one or more testing frameworks - e.g Cypress, Playwright, Jest, Postman

• Working experience in creating user documentation,

• Working experience in contact with clients and requirements

• Knowledge of testing principles, test techniques, and test methodologies,

• Curiosity and growth mindset - willingness to deepen automation and DevOps testing skills

• Ability to closely collaborate with developers, PM, customer representatives during the project

• Great command of written and spoken English (C1 and above) and proficiency in Polish.

Nice to have:

• Experience in API testing - Postman

• Interest in automation test frameworks - e.g. Selenium

• ISTQB Foundation level

What your work would look like:

→ Conducting thorough integration, regression, and acceptance testing to ensure software meets our rigorous standards.

→ Collaborating with the development and business teams to accurately reproduce bugs for effective troubleshooting.

→ Performing diligent retesting of resolved bugs/tasks to verify fixes before they are deployed.

→ Developing and maintaining comprehensive QA documentation to support testing processes and methodologies. 

What We Offer

• Transparent progression path.

• Flexible work: office in Kraków, hybrid with company on-sites.

• Additional paid days off beyond national holidays.

• A deeply collaborative, engineering-led company culture.

• Support for ongoing learning.

If you didn't find all the information you were looking for, have a look at our handbook - it covers a variety of different matters that could be important at this stage. If there's anything else we did not mention that you're interested in - share your thoughts with us careers@upsidelab.io

Salary:

Senior Manual QA/Tester: 10 000 - 15 000 PLN net + VAT

Including additional days off

Location:

Office in Kraków, hybrid.