Funtional Tester
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 Quality Assurance Engineer with strong experience in functional, frontend and integration testing, capable of working autonomously across complex systems and multiple stakeholders. This role requires solid analytical skills to interpret business and technical requirements, validate end-to-end customer journeys, and ensure high-quality software delivery across UI and API layers. The ideal candidate is proactive, quality-driven, and comfortable contributing to discussions with clients and third-party teams.
As a part of your job, you will:
Analyze business requirements, user stories and functional specifications, identifying risks, gaps, and dependencies;
Analyze business requirements, user stories, and functional specifications, identifying risks, gaps, and dependencies;
Design and maintain comprehensive test scenarios and test cases aligned with requirements and system interactions;
Execute functional, frontend (UI), API, integration and regression testing across multiple systems and channels;
Validate APIs (REST/SOAP) and backend integrations, including data validation using SQL queries.
Identify, report, track, and revalidate defects using JIRA and X-Ray, ensuring proper prioritization and follow-up until resolution;
Collaborate directly with clients and third-party teams, participating in joint testing activities and clarifying requirements when needed;
Contribute to test reporting, test execution status, and quality metrics;
Actively support the continuous improvement of QA processes, practices, and test design approaches;
Demonstrate ownership of assigned testing activities, ensuring deadlines and quality standards are met.
What are we looking for?
Strong knowledge of software testing principles and test design techniques;
Solid experience in functional and UI testing;
Hands-on experience with API testing (REST/SOAP);
Good proficiency in SQL for data analysis and validation;
Experience using JIRA and X-Ray for test management and defect tracking.
Nice to have:
Background or experience in the telco domain;
Basic knowledge of, or interest in learning, test automation concepts and tools in the mid-term.
Personal traits
Ability to adapt to different contexts, teams, and Clients;
Teamwork skills but also a sense of autonomy;
Motivation for international projects and ok if travel is included;
Willingness to collaborate with other players;
Strong communication skills.
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!
About Celfocus
Celfocus is pioneering the future of business through Next-Gen Intelligence - the convergence of data, AI, and human creativity to build more autonomous and adaptive organisations.
Guided by our core belief - Making Data Actionable - we partner with leading companies to co-create intelligent solutions that turn data into insight, agility, and business value.
Operating in over 25 countries, we bring together business experts, data scientists, and AI engineers to turn complexity into clarity and vision into measurable impact.
Founded in 2000, Celfocus is part of Novabase, listed on Euronext Lisbon.
To know more, visit www.celfocus.com