Functional Tester

Porto, Portugal

Celfocus

Celfocus is a European high-tech system integrator, providing professional services focused on creating business value through Analytics and Cognitive solutions –addressing Telecommunications, Energy & Utilities, Financial Services and other...

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Make an impact by working for sectors where technology is the enabler, everything is ground-breaking and there’s a constant need to be innovative.

Create and enhance projects in Java, Python, Angular, PHP, .NET and so much more while diving in the world of Blockchain, Artificial Intelligence, Data Science, Security and Internet of Things.

Be part of the team that combines business knowledge, technological edge and a design experience. Our different backgrounds and know-how are key in developing solutions and experiences for digital clients.

Face challenges and learn other ways of thinking and seeing the world - there’s always room for your energy and creativity.

About the role

We are looking for a Functional Tester with solid experience in integration-focused software testing, primarily within the scope of functional testing. This role requires the ability to analyze both technical and business documentation, interpret functional requirements, and work closely with cross-functional teams to ensure high-quality software delivery.

As a part of your job, you will:

  • Analyze business requirements, user stories, and functional specifications to design comprehensive test cases.
  • Design, write, and execute detailed test cases to validate software functionality and performance.
  • Identify, report, and track defects using bug-tracking tools, ensuring timely resolution.
  • Collaborate with developers to identify urgent fixes related to new code changes or bugs.
  • Maintain close collaboration with developers, product owners, and other testers to ensure high-quality delivery standards.

What are we looking for?

  • Broad understanding of software testing principles (test design, requirement analysis).
  • Proficient in SQL for data validation.
  • Experience in API testing (REST/SOAP).
  • Experience in front-end functional testing.
  • Nice to have: Familiarity with signaling protocols such as SIP, INAP, etc.


Personal traits

  • Proficient English (spoken and written).
  • Availability for on-site presence once per week (may increase during test campaigns at the VF-PT client lab).
  • Willingness to travel occasionally (not in the early stages and not for extended periods).
  • Autonomous, detail-oriented, and committed to quality.
  • Strong communication skills and ability to work collaboratively within a team.

At Celfocus, we are committed to cultivate a diverse and inclusive workplace. As an equal-opportunity employer, we welcome applicants of all backgrounds, gender identities, and abilities. We are dedicated to providing reasonable accommodations for candidates with specific needs. If you require any adjustments during the selection process, please inform our Talent Acquisition Team.

Come join the Team!

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* Salary range is an estimate based on our AI, ML, Data Science Salary Index 💰

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Tags: Angular APIs Blockchain Java PHP Python Security SQL Testing

Region: Europe
Country: Portugal

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