(Senior) Quality Assurance Engineer

Trading 212

OUR MISSION IS TO ENABLE EVERYONE TO BUILD WEALTH We reinvent how trading and investing work by creating exceptional products people love. Fostering a culture of excellence and high velocity is the key to our success. Today, we serve over 5 million clients, with more than €30 billion in assets under management - a testament to the scale and trust we’ve built in just a few years. WHAT YOU’LL DO * Own the quality assurance tasks for multiple projects, ensuring that the software meets the highest standards of quality and reliability * Actively participate in design and requirements reviews to ensure testability and usability of features and products * Lead testing efforts, including developing and maintaining automation frameworks and scripts * Plan, implement and execute testing tasks in different product areas - DB, integration, functional, UI/UX * Analyse test results to identify areas for improvement and recommend process changes as needed * Provide technical and process mentorship to less experienced colleagues * Work in compact, autonomous teams with short release cycles - we rely on agile, independent teams of sharp and driven people with just the right amount of processes to steer off anarchy and not sacrifice velocity WHAT YOU NEED TO HAVE * 5+ years of experience in software quality assurance, with a focus on automation testing * Strong understanding of software testing concepts, methodologies, and tools * Strong programming skills in at least one programming language (Python, TypeScript, Java, etc.) * Experience with test automation frameworks and tools (e.g. Playwright, Selenium, Appium, Pytest, TestNG, etc.) * Experience with API testing tools such as Postman, SoapUI, or similar * Strong RDBMS knowledge * Familiarity with agile development methodologies such as Scrum or Kanban * Strong analytical and problem-solving skills * A very good command of English and excellent communication skills * Passion for quality assurance   NICE TO HAVE * Bachelor's degree in Computer Science, Information Technology, Mathematics, or a related field * Experience with testing microservices and distributed systems * Experience in testing mobile applications * Experience with NoSQL DB * Experience with Event Stream Processing platforms   WHAT WE OFFER * Challenges that will help you grow and realise your potential really fast * Opportunity to make a big Impact - you'll be involved in developing cutting-edge services used by millions of investors to build wealth * Work with smart, spirited, helpful, high-performing colleagues toward a common goal * Appreciation for your talent and ideas * Generous remuneration package including annual bonuses * Excellent social benefits package, including private health insurance, sports card and 25 days of paid vacation per year * Delicious treats and a spacious game room Are you ready to accelerate your career with us? We'd love to hear from you! We process applicant data confidentially and in accordance with applicable data protection laws. We may use AI-powered tools to help review applications, but all hiring decisions are made by our human recruitment team. Where required by law, we rely on your consent to use these tools. You may withdraw this consent or exercise your data protection rights at any time by contacting us.

ZEAL Network

ZEAL Network SE is an international group shaping the future of digital lotteries and dream-driven experiences. As Germany’s leading online lottery provider through LOTTO24 and Tipp24, and a partner of Spain’s ONCE, ZEAL combines innovation, technology, and entertainment to inspire millions of customers. With ventures such as Freiheit+, Traumhausverlosung, Traumautoverlosung and ZEAL Ventures, the company also invests in new business models and emerging e-commerce brands. Driven by a diverse team of 350+ professionals, ZEAL fosters a collaborative, ambitious culture focused on turning dreams into reality. As a (Senior) Quality Assurance Engineer (f/m/d) in our Games Production Team, you will ensure the quality, functionality, and security of our growing portfolio of slot games, instant-win games, and scratchcards. Your work plays a critical role in delivering a reliable and enjoyable experience for players, while also upholding regulatory compliance and safeguarding the integrity of our gaming platform. You’ll help establish and continuously improve QA practices that make our games robust, testable, and ready for release in regulated markets.   YOUR TASKS: * Design, build, and maintain automated test suites tailored for slots, instant-win games, and scratchcards, while performing manual testing during development and release phases. * Define and evolve test strategies that address the unique challenges of game testing — including animations, UI responsiveness, game state complexity, and random outcomes. * Collaborate with Game Developers, Game Designers, and Artists in a creative and agile environment. * Maintain structured test documentation, including test plans, bug reports, and regression checklists. * Execute cross-device and cross-browser testing to validate performance, consistency, and responsiveness across platforms. * Ensure compliance with regulatory standards, and support certification-related QA tasks such as preparing test evidence or assisting with audits for relevant jurisdictions (especially Germany). Prior knowledge is a plus, but can also be acquired on the job. * Advocate for a player-first quality mindset, helping the team prevent critical issues that could impact the game experience or platform reputation.   WHAT YOU OFFER US: * Practical experience in testing online games, ideally including slot games, scratchcards, or instant-win mechanics. iGaming industry experience is highly desirable. * A solid understanding of game testing challenges, including randomness, animations, math models, and edge-case scenarios. * Familiarity with basic probability and mathematics used in slot game design (e.g., RTP, volatility, win frequency) is a strong plus. * Proficiency with Playwright and TypeScript or similar frameworks for frontend automation. * Experience in manual exploratory testing—you know how to think like a player and uncover hidden issues. * Understanding of QA standards and compliance requirements for regulated markets (e.g., Germany, UK, MGA). * Strong collaboration skills and a proactive mindset—you’re ready to take ownership of quality in a fast-moving team. * Strong English skills are required for collaboration within the team. * Fluency in German is a nice-to-have.   WHAT WE OFFER: * State-of-the-art technologies and an agile environment (Check our Tech Radar: https://lotto24.github.io/tech-radar/) * A modern, dynamic culture grounded in the success of a leading-edge e-commerce company. * A talented team of ambitious, like-minded colleagues where your knowledge and ideas truly make an impact. * Ongoing personal growth, supported by an annual development budget of €1,500 to invest in your professional development. * Trust and autonomy, no micromanagement, just confidence in your ability to deliver and excel. * Flexible work options with a hybrid setup focused on results. * Unlimited vacation days in addition to your yearly 30-day vacation allowance. * Opportunity for workations abroad using our WorkFlex tool. * Monthly mobility allowance of €30 to use on the mobility option of your choice (e.g., the Deutschlandticket), plus access to a company bike leasing program. * Company pension scheme, provided in partnership with Degura, to support your future financial security. * Subsidized EGYM WELLPASS membership, with a contribution of only €25 per month, giving you access to a wide range of gyms and sports options across Germany. * Quarterly company events, along with regular team activities and informal gatherings, a favorite being our Healthy Tuesday lunches or Treat Thursdays in the office!   Sounds exciting? Great! We're looking forward to receiving your online application.

Wilken Software Group

DEINE MISSION BEI UNS Als Senior QA Engineer bist du nicht nur für das Finden von Fehlern zuständig, sondern der strategische Kopf hinter unserer Softwarequalität. Du treibst unsere Automatisierungsinitiativen voran und stellst sicher, dass unsere Prozesse effizient, modern und zukunftssicher aufgestellt sind. * Vision & Automatisierung: Du bist der treibende Motor auf unserem Weg in Richtung Testautomatisierung und CI/CD und begleitest das Team aktiv bei dieser Transformation. * Strategie & Konzeption: Du erstellst, verantwortest und optimierst die ganzheitliche Teststrategie sowie das Testkonzept für unsere Softwarelösungen. * Agile Zusammenarbeit: In enger Abstimmung mit Product Ownern und Entwicklern analysierst du komplexe Anforderungen und leitest daraus zielsicher die passenden Testfälle ab. * Testdurchführung & Dokumentation: Du definierst präzise Testfälle, führst Testläufe durch und stellst eine lückenlose, nachvollziehbare Dokumentation sicher. * Prozesssteuerung & Optimierung: Du überwachst und steuerst die Testprozesse, garantierst höchste Softwarequalität und bringst deine Expertise kontinuierlich ein, um unsere Testmethoden und -werkzeuge (Tech-Stack: Java, JavaScript, GitLab) zu verbessern. DAS BRINGST DU MIT * Abgeschlossenes Studium der (Wirtschafts-)Informatik oder eine vergleichbare technische Qualifikation * Mehrjährige, fundierte Berufserfahrung im Software Testing sowie ein sicherer Umgang mit agilen Softwareentwicklungsmethoden * Tiefgehende Kenntnisse und Routine im Umgang mit Testmanagement-Tools (z. B. Jira XRay) * Praxiserprobte Erfahrung in der Testautomatisierung (insbesondere mit Selenium, TestCafe und JUnit) * Solide Grundkenntnisse in Java sowie Vertrautheit mit gängigen Entwicklungsumgebungen (z. B. Visual Studio Code, Eclipse) BENEFITS * Flexible Arbeitszeitmodelle für mehr Freiraum in Deinem Alltag * Mobiles Arbeiten - wir bieten Dir die Möglichkeit im Homeoffice zu arbeiten * Modernes Arbeitsumfeld, das produktives und angenehmes Arbeiten ermöglicht * Individuelle Weiterbildungsmöglichkeiten für Deine persönliche und fachliche Entwicklung * Sportliche und soziale Events, die den Teamspirit stärken * Gesundheits- und Nachhaltigkeitsangebote, die Dich und Deine Zukunft unterstützen Hier geht’s zu unseren Benefits.