Senior Software Tester with German

Job Description: Merkle, a dentsu company, powers the experience economy. For more than 35 years, the company has put people at the heart of its approach to digital business transformation. As the only integrated experience consultancy in the world with a heritage in data science and business performance, Merkle delivers holistic, end-to-end experiences that drive growth, engagement, and loyalty. Merkle's expertise has earned recognition as a "Leader" by top industry analyst firms, in categories such as digital transformation and commerce, experience design, engineering and technology integration, digital marketing, data science, CRM and loyalty, and customer data management. With more than 16,000 employees, Merkle operates in 30+ countries throughout the Americas, EMEA, and APAC. For more information, visit www.merkle.com. Who are we looking for? Join a team shaping the next generation of E-Banking experiences for thousands of users. You’ll play a key role in ensuring quality, reliability, and seamless customer journeys — all aligned with an ambitious Strategy 2030 vision of our client. If you enjoy combining hands-on testing, automation, and real product impact, this role gives you both ownership and influence. What you’ll do: Turn business requirements into smart, testable scenarios Design and maintain test cases (manual & automated) Bring test strategy to life using modern tools and best practices Execute UI & API end-to-end tests (automated + exploratory) Identify, analyze, and track issues — ensuring high product quality Collaborate closely with developers, product teams, and stakeholders What you bring: Solid experience in software testing (manual + automation) across web & mobile Hands-on with test automation frameworks (e.g., Selenium) Strong coding skills in Java or C#, plus good SQL knowledge Experience working in agile teams Good understanding of how modern web & mobile apps work Strong communication skills Fluent in German and English Nice to have: ISTQB certification Experience with end-to-end testing in complex systems Why choose dentsu? Global Reach with Local Expertise: Join a network that spans 145 countries, with over 70,000 talented employees. Collaborate with bright minds worldwide and gain insights from diverse industries and markets. Innovation at Our Core: For over 120 years, we have been pushing boundaries to connect brands with their audiences through cutting-edge technology, creativity, and transformative solutions. Commitment to Impact: We focus on driving meaningful outcomes for our clients and their communities, whether through increasing revenue, influencing behavior change, or fostering positive organizational culture. Collaborative Network: Work alongside six global brands all united in delivering highly integrated and scaled transformation solutions. These are some of the things we offer: 🏝️ 25 days of holidays 💝 2 volunteer days for charitable activities 💖 Mental Health: Benefit from 3 extra wellness days on top of your vacation days and a Mental Health First Aider and Employee Assistance program to support your well-being 🕐40-hour week & overtime compensation ⏰ Flexible working hours model (flextime) 🏠 Independent home office management 💻State-of-the-art, creative office space with ergonomically equipped workstations 🐶 Pet friendly offices (Zurich and St. Gallen) 🎓 Full access to Dentsu Academy, on-site learning sessions, online language courses 💸 Referral bonus program  ✈️Workation possibility 🍹 Team events: company parties, monthly breakfasts, aperos #LI-MERKLE #LI-SOFI Location: St Gallen Brand: Merkle Time Type: Full time Contract Type: Permanent Can’t find a suitable job? Sign up for job alerts tailored to your interests and be first in line for new opportunities. About dentsu For over 120 years, innovation has been a core tenet of our offering – exploring new ways to reach, engage and nurture relationships with audiences. Together we drive a multiplier effect for clients at a global scale, through the development of Integrated Growth Solutions that are underpinned by our promise to clients: innovating to impact. Be a force for good. Sustainability is a vital part of our business and an important area of focus for our clients. We’re leading the way – helping to build a more sustainable planet. Dream loud. In this moment of transformation, we need our people to be fearless, embracing change and ambiguity, driven by the love for their work and excitement for the future. Team without limits. We create opportunities for connection and collaboration between our colleagues and clients, building a sense of belonging and having some fun along the way. Find out more about us Who we are Our Social Impact Our work