QA Engineer

We’re looking for a QA Engineer who cares about product quality end-to-end. You’ll work on Coupler.io — a no-code data integration and analytics platform that provides instant access to 400+ sources and processes millions of records daily, helping ensure its reliability, accuracy, and smooth integrations. You’ll focus on how the product works in real conditions: testing integrations, investigating edge cases, and resolving complex issues together with engineering, product, and support teams WHAT ARE WE LOOKING FOR?  Testing & QA expertise:  * Strong experience with manual testing and end-to-end validation * Experience in investigating customer issues and performing root cause analysis * Experience in API testing (working with docs + real behavior, identifying inconsistencies) * Experience in building and improving QA processes Technical skills:  * Strong debugging and problem-solving skills, including log analysis (CloudWatch, Logs Explorer) * Good understanding of networks, HTTP, APIs, and web/client architectures * Experience with version control systems (GitHub, GitLab, etc.) * Experience using AI tools for workflow optimization Communication & mindset:  * Ability to translate technical concepts for different audiences (engineering ↔ non-technical) * Strong sense of ownership and accountability * Structured, detail-oriented approach * Fluent English (written and spoken) WOULD BE A PLUS * Experience with Playwright (TypeScript) YOUR RESPONSIBILITIES * Analyze requirements, test functionality, and identify defects and edge cases * Own investigation of complex customer issues through L3 support, driving root cause resolution * Validate third-party API integrations across testing and production environments * Partner with engineering and product to resolve issues and improve system reliability * Improve QA practices and elevate debugging and investigation standards * Support releases and ensure stable rollouts with active post-release follow-up

Description Position at LeoVegas Group ABOUT THE ROLE Curious about what the iGaming industry has to offer? This is a fantastic opportunity to join a fast-paced, flat-structured team within LeoVegas' Retention domain as a Quality Assurance Engineer! The Retention team powers the organisation with communication capabilities, ranging from indirect and direct communication with the players to a custom-built toolbox that enriches the player journey with bonuses, loyalty programs, and seamless cross-channel experiences. As one of the most crucial parts of the player lifecycle, the Retention domain ensures our players return for new, exciting, and rewarding experiences. We’re driven by excellence and fueled by innovation. As a QA Engineer, you are a leading light, bringing a quality-first mindset to the whole process. You have a structured approach to creating test plans, writing and executing test cases, and debugging and reporting defects. YOU WILL BE RESPONSIBLE FOR: ● Collaborating with development teams to analyse requirements and define comprehensive test strategies for the backend side of our platform. ● Proactively work to ensure high-quality software releases by engaging in the planning and development phase. ● Design and develop test plans with cases, including automated and manual, for integration and regression, as well as exploratory testing. ● Execute test cases, accurately document defects, and provide timely reports on testing progress and results. ● Investigate, debug, and troubleshoot issues, providing technical advice and support to stakeholders. ● Maintain and update the test case repository. ● Contribute to the continuous improvement of the testing process. ● Stay up-to-date with new testing tools and technologies OUR SUCCESSFUL CANDIDATE WILL HAVE THE FOLLOWING: ESSENTIAL SKILLS ● You have at least 2 years of experience creating automated tests and 5 years of experience with testing in general. ● You have a structured approach to quality assurance, including well-defined testing methodologies. ● You understand Java (as you will be testing backend). ● You know JavaScript, MySQL, Postman and DataDog. ● You have strong problem-solving and communication skills. ● You have the ability to manage incidents by balancing tactical short-term solutions while suggesting long-term changes that enhance system resilience. ● You speak English fluently (B2/C1 level is a minimum, as we communicate in English). NICE TO HAVES ● Familiarity with Kotlin, Confluence and TestRail. ● Experience using AI in testing. WHO WE ARE At the core of LeoVegas Group is Team Leo. Our culture is our foundation and is what enables us to innovate, build, and lead as we trailblaze our way through the igaming industry. We’re a team of over 2000 innovators, initiators, and groundbreakers working in a fast-paced and agile environment across 18 offices worldwide. BENEFITS ● Hybrid work policy ● 4 weeks of Workation  (T&C apply) ● Benefits package - 800 PLN net (B2B)/gross (UOP) monthly with access to the cafeteria platform (private medical care, insurances, sports card) ● Training budget ● ICAS assistance program that can provide help and guidance during challenging moments. ● Our office provides complimentary snacks and drinks; on Mondays, we serve complimentary breakfast. ● Team and office social events throughout the year ● Free parking for bicycles and motorcycles ● Free gym in the building ● Equipment: MacBook Pro + smartphone (iPhone 16/17 or Samsung Galaxy S25) JOIN US! In our pride, we empower our teammates to find their roar and run with their wildest ideas. We don’t wait for things to happen; we pounce and make it happen! Would you be a good fit for the Leo Pride - give us a roar! **As our company working language is English, we’d like to see your CV in English, please**