Job Description

Senior QA Engineer (Full-Stack: Backend & Mobile)

Department: Risk Technologies, Engineering

Employment Type: Full Time

Location: Remote/Portugal

Reporting To: Alexandr Babich

Tabby creates financial freedom in the way people shop, earn and save by reshaping their relationship with money. Over 15 million users choose Tabby to stay in control of their spending and make the most out of their money.
The company’s flagship offering allows shoppers to split their payments online and in-store with no interest or fees. Over 40,000 global brands and small businesses, including Amazon, Noon, IKEA, and SHEIN use Tabby to accelerate growth and gain loyal customers by offering easy and flexible payments online and in stores.

Tabby generates over $10 billion in annual transaction volume for its partner brands and is the highest-rated, most-reviewed, largest, and fastest-growing FinTech in the GCC region.

Tabby launched in 2019 and has since raised +$1 billion in equity and debt funding from global and regional investors, and is now valued at $4.5 billion.

We are looking for a Senior QA Engineer that would design the testing strategy, perform hands-on mobile and backend testing, and build the automation and monitoring needed to launch a reliable product quickly.

Key Responsibilities:

• Design and implement automated test suites: unit, integration, API, and end-to-end, covering both mobile app and backend
• Define and maintain QA processes and standards, introducing best practices for test planning, execution, and reporting
• Manual testing of mobile applications (iOS/Android) and backend services in a microservice architecture
• Collaborate closely with developers, product managers, and designers to ensure testability and early detection of issues
• Drive continuous improvement of release quality, deployment pipelines, and overall developer productivity
• Investigate and troubleshoot production issues, contributing to root-cause analysis and long-term fixes

What you’ll bring:

• 5+ years of professional QA experience, including hands-on experience testing mobile applications and backend systems
• Strong background in testing mobile applications (iOS and Android)
• Experience testing backend services and APIs in a microservices environment
• Experience with test automation frameworks and tools (we use the following; experience with similar tools is also valuable):
  • Backend automation: Go
  • Frontend/test automation: TypeScript + Playwright
  • Mobile automation frameworks: XCUITest, Kaspresso
• Familiarity with CI/CD pipelines, containerized environments (Docker/Kubernetes), and cloud platforms
• Familiarity with test reporting and observability tools such as Allure or equivalent
• Solid understanding of monitoring and observability tools (e.g., Prometheus, Grafana, Datadog, New Relic) and setting up alerts/dashboards
• Strong communication skills in English

We take a technology-agnostic approach to hiring. If you have solid QA fundamentals and are open to learning and adapting to our stack, we’d love to hear from you.

What we offer:

• Full-time B2B contract
• Fully remote setup
• Up to 20% tax allowance
• 22 paid leave days annually
• Stock options (ESOP) in a fast-scaling, pre-IPO company
• Flexi benefits you can use for wellness, travel, or learning
• Work alongside a high-performing, international engineering team in a global fintech unicorn

Relocation support is available to our hubs in Armenia, Georgia, Serbia, Portugal, and Spain, including flights, temporary accommodation, legal setup (if needed)