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Middle QA Engineer for Client Centric Team

MLW LogoMost Loved Workplace® Certified Job
92% of candidates apply because they are a Most Loved Workplace®
Warsaw
PM Tech Play

About the Role

At GR8 Tech, a Most Loved Workplace® certified employer in the Technology space, Accelerating iGaming Excellence Through Trust, Speed, and Innovation.

<div class="content-intro"><p data-renderer-start-pos="243"><strong data-renderer-mark="true"><span class="acronym-highlight">GR8</span>_TECH builds B2B iGaming platforms for operators who play to lead.</strong></p>

<p data-renderer-start-pos="328">We deliver full-cycle, high-impact tech designed to scale — from seamless integrations and expert consulting to long-term operational support. Our platform powers millions of active players and drives real business growth. Call it what it is: the iGaming Platform for Champions.</p>

<p data-renderer-start-pos="608">With 1000+ GR8 people across locations and time zones, we don’t just ship technology — we help operators build success stories across brands, markets, and geos.</p>

<p data-renderer-start-pos="770"><strong data-renderer-mark="true">Our ambition drives us. Our people make it real.</strong></p>

<p data-renderer-start-pos="820">If you’re a challenger in spirit and a champion in action — join us.</p></div><h2 data-path-to-node="1">Why this role exists:</h2>

<p data-path-to-node="2">This role exists to make sure our products work reliably across Web, native Mobile, Backend, and integrations. You’ll own quality from feature understanding and test coverage to defect investigation and release support, helping teams ship with confidence.</p>

<h2 data-path-to-node="3">What you’ll drive:</h2>

<p data-path-to-node="4"><strong data-path-to-node="4" data-index-in-node="0">Test strategy & coverage</strong></p>

<ul data-path-to-node="5">

<li>

<p data-path-to-node="5,0,0">Analyze requirements and product changes, identify gaps and risks, and define the right test coverage.</p>

</li>

<li>

<p data-path-to-node="5,1,0">Design and execute functional, regression, integration, exploratory, and end-to-end testing.</p>

</li>

<li>

<p data-path-to-node="5,2,0">Validate functionality across UI, API, database, and integration layers.</p>

</li>

<li>

<p data-path-to-node="5,3,0">Assess regression and release risks and make quality visible before changes go live.</p>

</li>

</ul>

<p data-path-to-node="6"><strong data-path-to-node="6" data-index-in-node="0">Investigation & debugging</strong></p>

<ul data-path-to-node="7">

<li>

<p data-path-to-node="7,0,0">Investigate defects and localize issues across client, backend, data, integrations, and environments.</p>

</li>

<li>

<p data-path-to-node="7,1,0">Use browser DevTools, network debugging, proxy tools, API tools, logs, and databases to get to the root cause.</p>

</li>

<li>

<p data-path-to-node="7,2,0">Inspect HTTP/HTTPS requests and responses to troubleshoot Web and Mobile issues.</p>

</li>

<li>

<p data-path-to-node="7,3,0">Verify bug fixes and make sure changes don’t introduce new problems.</p>

</li>

</ul>

<p data-path-to-node="8"><strong data-path-to-node="8" data-index-in-node="0">Web, Mobile & Backend QA</strong></p>

<ul data-path-to-node="9">

<li>

<p data-path-to-node="9,0,0">Test Web applications across relevant user flows, integrations, and edge cases.</p>

</li>

<li>

<p data-path-to-node="9,1,0">Test native iOS and Android applications and investigate issues using platform-specific debugging tools.</p>

</li>

<li>

<p data-path-to-node="9,2,0">Test REST APIs and Backend functionality, including authentication, authorization, and API communication.</p>

</li>

<li>

<p data-path-to-node="9,3,0">Validate data using SQL queries and relational databases.</p>

</li>

<li>

<p data-path-to-node="9,4,0">Work with API tools such as Postman, Swagger, or similar.</p>

</li>

</ul>

<p data-path-to-node="10"><strong data-path-to-node="10" data-index-in-node="0">Releases & cross-team collaboration</strong></p>

<ul data-path-to-node="11">

<li>

<p data-path-to-node="11,0,0">Support software releases and contribute to release readiness decisions.</p>

</li>

<li>

<p data-path-to-node="11,1,0">Communicate testing progress, blockers, risks, and quality clearly to the team.</p>

</li>

<li>

<p data-path-to-node="11,2,0">Work with developers and other stakeholders to investigate issues and unblock delivery.</p>

</li>

<li>

<p data-path-to-node="11,3,0">Contribute to improving QA processes, documentation, and testing approaches.</p>

</li>

</ul>

<p data-path-to-node="12"><strong data-path-to-node="12" data-index-in-node="0">QA Pool adaptability</strong></p>

<ul data-path-to-node="13">

<li>

<p data-path-to-node="13,0,0">Quickly understand new products, technical areas, and testing contexts.</p>

</li>

<li>

<p data-path-to-node="13,1,0">Bring a generalist QA mindset and apply the right testing approach rather than relying on one fixed process.</p>

</li>

<li>

<p data-path-to-node="13,2,0">Work independently while knowing when to ask questions, challenge assumptions, or raise a risk.</p>

</li>

</ul>

<h2 data-path-to-node="14">What makes you a GR8 fit:</h2>

<p data-path-to-node="15"><strong data-path-to-node="15" data-index-in-node="0">Must-have</strong></p>

<ul data-path-to-node="16">

<li>

<p data-path-to-node="16,0,0">Solid hands-on experience in Software Testing / Manual QA and the ability to work independently.</p>

</li>

<li>

<p data-path-to-node="16,1,0">Strong experience testing Web applications and native iOS/Android applications.</p>

</li>

<li>

<p data-path-to-node="16,2,0">Strong hands-on experience with Backend and REST API testing.</p>

</li>

<li>

<p data-path-to-node="16,3,0">Good understanding of HTTP, client-server architecture, authentication, authorization, and API communication.</p>

</li>

<li>

<p data-path-to-node="16,4,0">Confident use of API testing tools such as Postman, Swagger, or similar.</p>

</li>

<li>

<p data-path-to-node="16,5,0">Good understanding of relational databases and ability to write SQL queries for data validation.</p>

</li>

<li>

<p data-path-to-node="16,6,0">Strong debugging skills, including browser DevTools, network analysis, and traffic interception tools such as Charles Proxy, Proxyman, Fiddler, or similar.</p>

</li>

<li>

<p data-path-to-node="16,7,0">Ability to investigate issues across UI, API, database, and integration layers.</p>

</li>

<li>

<p data-path-to-node="16,8,0">Hands-on experience with Git and common development/release workflows, including branches, merges, pull requests, tags/releases, and basic conflict resolution.</p>

</li>

<li>

<p data-path-to-node="16,9,0">Experience supporting software releases and understanding of functional, regression, integration, exploratory, and end-to-end testing.</p>

</li>

<li>

<p data-path-to-node="16,10,0">Ability to work with incomplete requirements, ask the right questions, identify risks, and build sufficient test coverage.</p>

</li>

<li>

<p data-path-to-node="16,11,0">Intermediate English or higher, with fluency in Ukrainian or Russian.</p>

</li>

</ul>

<p data-path-to-node="17"><strong data-path-to-node="17" data-index-in-node="0">Nice-to-have</strong></p>

<ul data-path-to-node="18">

<li>

<p data-path-to-node="18,0,0">Practical experience with Kafka or similar message brokers and the ability to read and analyze messages/events.</p>

</li>

<li>

<p data-path-to-node="18,1,0">Understanding of asynchronous and event-driven communication and microservices architecture.</p>

</li>

<li>

<p data-path-to-node="18,2,0">Experience with ADB/Logcat, Xcode Console, or other native Mobile debugging tools.</p>

</li>

<li>

<p data-path-to-node="18,3,0">Familiarity with CI/CD pipelines, Docker, Kubernetes, or cloud environments.</p>

</li>

<li>

<p data-path-to-node="18,4,0">Basic experience with test automation or scripting, and/or performance or load testing.</p>

</li>

<li>

<p data-path-to-node="18,5,0">Experience working with high-load or product-based environments.</p>

</li>

</ul><div class="content-conclusion"><h2 data-renderer-start-pos="906"><strong data-renderer-mark="true">Why you’ll love working here: </strong></h2>

<p data-renderer-start-pos="958"><strong data-renderer-mark="true">Benefits Cafeteria</strong> — annual budget you allocate to:</p>

<p data-renderer-start-pos="1011">Sports • Medical • Mental health • Home office • Languages.</p>

<p data-renderer-start-pos="1072"><strong data-renderer-mark="true">Work-life & support</strong></p>

<ul>

<li data-renderer-start-pos="1095">Paid maternity/paternity leave + monthly childcare allowance.</li>

<li data-renderer-start-pos="1160">20+ vacation days, unlimited sick leave, emergency time off.</li>

<li data-renderer-start-pos="1224">Remote-first + tech support + coworking compensation.</li>

<li data-renderer-start-pos="1281">Team events (online/offline/offsite).</li>

<li data-renderer-start-pos="1322">Learning culture with internal courses + growth programs.</li>

</ul>

<h2 data-renderer-start-pos="1383"><strong data-renderer-mark="true">Our culture & core values:</strong></h2>

<p data-renderer-start-pos="1411">GR8_TECH culture is how we win — through trust, ownership, and a growth mindset. We move fast, stay curious, and keep it real, with open feedback, room to experiment, and a team that’s got your back.</p>

<p data-renderer-start-pos="1612"><strong data-renderer-mark="true">FUELLED BY TRUST</strong>: we’re open, honest, and have each other’s backs.</p>

<p data-renderer-start-pos="1680"><strong data-renderer-mark="true">OWN YOUR GAME</strong>: we take initiative and own what we do.</p>

<p data-renderer-start-pos="1735"><strong data-renderer-mark="true">ACCELER8</strong>: we move fast, focus smart, and keep it simple.</p>

<p data-renderer-start-pos="1793"><strong data-renderer-mark="true">CHALLENGE ACCEPTED</strong>: we grow through challenges and stay curious.</p>

<p data-renderer-start-pos="1859"><strong data-renderer-mark="true">BULLETPROOF</strong>: we’re resilient, ready, and always have a plan.</p></div>

Want to learn more about what it's like to work at GR8 Tech? View our full profile.

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What It's Like to Work Here

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Certified for: Most Loved Workplace® Certified 2025

Frequently Asked Questions About Working at GR8 Tech

Common questions candidates ask about this role and GR8 Tech's workplace

GR8 Tech offers a full range of betting and gambling software solutions 🚀 Launch, grow, or upgrade your iGaming business with the experienced software provider.

Please review the specific job listing or contact GR8 Tech's recruiting team for details on remote or hybrid work options for this role.

Salary information may vary by role and location. Please check the specific job listing or discuss compensation during the interview process.

GR8 Tech is an established organization in its industry. The company is a certified Most Loved Workplace®, highlighting a strong, positive culture and committed workforce.

Key benefit categories include: Health & Wellness, Work-Life Balance & Support, Professional Development, Family & Personal Support, Benefits Cafeteria. You can view more details on their CertCheck profile.

The day-to-day environment is guided by core values such as Velocity Without Compromise and Radical Honesty & Psychological Safety and Ownership & Autonomy.

The company has committed to inclusive practices including: Trust as Our Foundation and Invest in Your Growth.

They have earned Most Loved Workplace® certifications including: Most Loved Workplace® Certified 2025.

GR8 Tech currently has 20 open positions. They are hiring across departments like Casino Core, Sales and Business Development, GR8 Tech. You can view all current openings at certcheck.mostlovedworkplace.com/companies/gr8-tech/jobs.

The interview process typically involves an initial recruiter screen followed by team interviews. Please contact GR8 Tech's recruiting team for specific details on this role's process.

Apply for Middle QA Engineer for Client Centric Team

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