Senior QA Engineer

2 weeks ago


Belgrade, Central Serbia Tabby Full time €3,840,000 - €9,600,000 per year
Senior QA Engineer

Department: B2C Financial Services, Engineering

Employment Type: Full Time

Location: Remote/Serbia

Reporting To: Slava Slutsker


Description 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 $3.3 billion.

We are looking for a Senior QA Engineer to own the quality of Tabby's new credit product that's part of our mobile application and is powered by a microservice-based fintech platform. You 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:
  • End-to-end ownership of product quality for a new credit product inside Tabby's mobile app
  • Manual testing of mobile applications (iOS/Android) and backend services in a microservice architecture
  • 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
  • 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 at least 2 years working with mobile apps and backend services
  • Strong background in manual testing of mobile applications (iOS and Android)
  • Experience testing backend APIs and microservice architecture
  • Proficiency in test automation frameworks (e.g., Playwright, Cypress, Appium, or similar) and scripting languages
  • Familiarity with CI/CD pipelines, containerized environments (Docker/Kubernetes), and cloud platforms 
  • Solid understanding of monitoring and observability tools (e.g., Prometheus, Grafana, Datadog, New Relic) and setting up alerts/dashboards
  • Strong communication skills in English 

What we offer:
  • Full-time B2B contract
  • Fully remote setup, work from anywhere in Europe
  • 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)


  • Senior QA Engineer

    2 weeks ago


    Belgrade, Central Serbia Sowelo Consulting sp. z o.o. Full time 25,000 - 40,000 per year

    Do you have experience with both Manual and Automation Testing?Do you have experience with Ruby-based testing frameworks? Great Then please read on as we have a role for you As a Senior QA Engineer, you'll play a key hands-on role in ensuring the quality and reliability of our clients product. You will design and execute comprehensive test strategies,...

  • QA Engineer

    1 week ago


    Belgrade, Central Serbia Beamr Full time 30,000 - 60,000 per year

    We are hiring a QA Engineer to join our team in Belgrade, Serbia.In this critical role, you will be an integral part of our cutting-edge technology team, focusing on the rigorous testing and quality assurance of advanced video compression software and cloud services. As a Senior QA Engineer, you'll play a pivotal role in ensuring the highest standards of...


  • Belgrade, Central Serbia Greencastle Digital Full time €30,000 - €60,000 per year

    Lead QA Automation EngineerLocation: New BelgradeWork Pattern: Hybrid / RemoteReports to: QA ManagerAbout Greencastle Digital:Greencastle Digital is a forward-thinking company in the dynamicbetting and gaming industry, with a newly established Development Centre in Belgrade. Our mission is to unite the brightest minds in digital technology, product...

  • Senior QA Engineer

    2 weeks ago


    Belgrade, Central Serbia FxPro Full time 900,000 - 1,200,000 per year

    Join FxPro: a leading international fintech company. Be a part of our expanding international team, with offices in Limassol, London, Nassau, and Dubai. FxPro boasts a diverse workforce of over 500 employees representing 40 nationalities, making it an exciting and dynamic workplace. AtFxPro, we see each team member as an integral part of our success story.As...

  • QA Engineer

    2 weeks ago


    Belgrade, Central Serbia FxPro Full time €40,000 - €60,000 per year

    Join FxPro: a leading international fintech company. Be a part of our expanding international team, with offices in Limassol, London, Nassau, and Dubai. FxPro boasts a diverse workforce of over 500 employees representing 40 nationalities, making it an exciting and dynamic workplace. AtFxPro, we see each team member as an integral part of our success story.We...

  • QA Engineer

    2 weeks ago


    Belgrade, Central Serbia Wargaming Full time €35,000 - €45,000 per year

    Job OverviewHere at Wargaming Belgrade, we are looking for QA Engineer to strengthen the World of Warships High-End Meta team.Our team drives several essential areas: developing Clan Gameplay as an important component of player engagement, managing Game Commerce, which includes both the in-game store and various monetization tools, and Web Tech - focused on...

  • QA Engineer

    2 weeks ago


    Belgrade, Central Serbia Wargaming Full time 30,000 - 60,000 per year

    Job OverviewHere at Wargaming Belgrade, we are looking forQA Engineerto strengthen theWorld of Warships High-End Meta team.Our team drives several essential areas: developing Clan Gameplay as an important component of player engagement, managing Game Commerce, which includes both the in-game store and various monetization tools, and Web Tech - focused on...

  • Senior QA Engineer

    2 weeks ago


    Belgrade, Central Serbia Acronis Full time $104,000 - $130,878 per year

    Acronis is revolutionizing cyber protection—providing natively integrated, all-in-one solutions that monitor, control, and protect the data that businesses and lives depend on. We are looking for a Senior Quality Assurance Engineer to join our mission to create a #CyberFit future and protect all data, applications and systems across any environment.RoleIn...


  • Belgrade, Central Serbia Playtronix Full time 350,000 - 550,000 per year

    Location: Belgrade, Serbia (Hybrid or On-site)Experience Level: Mid-level (2+ years)Employment Type: Full-timeAbout usJoin our dynamic and young team at Playtronix, where we are building cutting-edge software for online casino platforms. We're looking for motivated junior to mid-level backend developers who want to grow their careers, gain hands-on...

  • Manual QA Engineer

    2 weeks ago


    Belgrade, Central Serbia Quantum Gaming Full time €30,000 - €60,000 per year

    We are looking for aManual QA Engineerwith a solid background in software testing, a sharp eye for detail, and a commitment to delivering exceptional digital experiences. You will collaborate closely with cross-functional teams, including development, product, and design to ensure the highest standards of quality across all stages of the product...