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.

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.

• 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

• 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

• ISTQB certification
• Experience with end‑to‑end testing in complex systems

• 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

Location: St Gallen

Brand: Merkle

Time Type: Full time

Contract Type: Permanent