Manual QA Tester - Mobile Card App

Creditstar Group is a rapidly growing international consumer finance company, headquartered in Tallinn, Estonia and operating in multiple European markets.

At the core, we are a financial technology company that uses automated processes, algorithms and data analysis to make financial instruments easily available to a population of more than 175 million people in our target markets. We are a team of ambitious professionals who value innovation, effective efficiency, high growth, and high performance. For more information on the group, please visit www.creditstar.com

Our vision is to build and deliver digital banking products of the future. If you want to be part of this, here is your chance.

YOUR ROLE: Manual QA Tester - Mobile Card App.

Core Experience

• 2+ years of experience in manual software testing, preferably in mobile application environments
• Hands-on experience testing native mobile applications on both iOS and Android platforms
• Strong understanding of QA methodologies, software testing lifecycle (STLC), and defect management processes
• Experience creating and executing test cases, regression tests, and exploratory testing
• Experience testing end-to-end user flows and validating product quality before releases
• Previous experience with card programs, payment cards, or fintech products is considered a strong advantage

Mobile Testing Skills

• Experience with functional, regression, usability, and exploratory testing for mobile apps
• Familiarity with testing across different devices, screen sizes, and OS versions
• Experience validating onboarding flows, authentication, push notifications, and payment-related functionality
• Familiarity with mobile debugging and network monitoring tools such as TestFlight, Browserstack, Logcat, Xcode logs, Charles Proxy, or similar

QA Process & Collaboration

• Experience working in Agile/Scrum development teams
• Ability to identify, document, prioritize, and track defects with clear reproduction steps
• Familiarity with Jira, Confluence, TestRail, Zephyr, or similar QA/project management tools
• Ability to collaborate effectively with developers, product managers, designers, and support teams
• Proactive mindset focused on quality improvements and reliable releases

Technical Understanding

• Basic understanding of API testing and tools such as Postman
• Familiarity with JSON, request/response validation, and backend communication flows
• Understanding of mobile app release and staging/pre-production testing processes

Soft Skills

• Strong analytical thinking and attention to detail
• Good communication skills in English
• Ability to work independently and take ownership of testing activities
• Structured and quality-focused approach to problem solving

Nice to Have

• Experience in fintech, banking, card payments, or digital wallet applications

• Exposure to test automation or CI/CD processes

• Understanding of security and payment-related testing flows like transaction authorization lifecycle

• Interest in modern mobile technologies and financial products

• Dynamic, challenging, and rewarding work within a rapidly growing international company;

• Chance to contribute to the business’ decision-making processes and making a tangible impact;

• Talented and fun international team who always has your back;

• New modern office in the heart of Tallinn

• Sports or Health insurance compensation

• Paid birthday day- off

• Regular company parties and events;

• Office with games, ping pong table, free snacks/drinks and the possibility to work remotely;

• Powerful equipment and modern tools;

• On-demand sponsorship for your professional development;

• Competitive remuneration package.

Join us and contribute to our mission while advancing your career. Apply now!