qa English-speaking jobs in Bonn

Develop, implement, and enhance digital payment solutions across the ZEISS Group. Translate business requirements into scalable payment concepts and drive their international rollout. Contribute to the development of ZEISS' global digital payments strategy.

Senior Data Scientist to design, build, and deploy enterprise-scale AI solutions using Microsoft and Databricks technologies. Experience with LLMs, RAG, NLP, and MLOps required.

B2B Sales Executive to close qualified opportunities and build long-term relationships with European clients. Consult with businesses to understand their needs and recommend tailored signage solutions. Collaborate with internal teams to deliver exceptional customer experiences.

Freelance German (DaF) teacher needed. Must have native-level German (C2+), at least 1 year of teaching experience, and a teaching qualification.

Experienced Marketing & Communications Manager sought for Tieto Tech Consulting. This role supports Tieto Tech Consulting, a business unit focused on solving customer technology challenges and delivering measurable results through data, cloud, AI, and design.

Supports the development and tracking of global communication packages for Own Brands. Assists in designing and implementing sales and activation materials. Coordinates marketing activities with external service providers and internal teams.

Drive growth for key retail accounts in Central Europe by managing strategic partnerships and the full customer lifecycle. Own and execute retail strategies, build commercial pipelines, and lead cross-functional account teams.

Lead financing and M&A transactions for renewable energy projects across Europe and North America. Evaluate investment opportunities, structure financing solutions, and manage M&A processes.

Senior ML Engineer will design and develop next-generation autonomous driving systems using large-scale datasets. Responsibilities include developing production-ready machine learning solutions, executing training and evaluation cycles, and integrating backbone and foundation models.

The Head of Audit will lead the Internal Audit function, ensuring robust governance, risk management, and independent assurance across the organization. This role will shape and deliver a risk-focused audit plan, present audit insights to senior stakeholders, and lead a strong audit team.

STEM PhD professionals will design domain-specific problems, evaluate AI-generated responses, and develop reference solutions to improve AI reasoning in scientific and engineering disciplines.

ServiceNow IRM, GRC, and SecOps Consultant for enterprise clients. Deliver projects, run workshops, and advise stakeholders on risk, compliance, and security processes. Requires ServiceNow experience in related modules, strong client-facing skills, and fluency in English and German.

Scientist to coordinate and support projects integrating new services with existing EOSC nodes. Implement, deploy, and maintain scientific software for a federated and modular environment. Contribute to the architecture and design of EOSC Nodes.

Experienced SAP SD consultant to lead the Order-to-Cash workstream during an SAP S/4HANA RISE implementation in the Financial Services sector.

Etex's two-year Future Talent Programme offers ambitious engineers international exposure and four six-month rotations across sites. Graduates contribute to real projects, build technical and professional foundations, and receive support from experienced leaders.

Experienced Registered Nurse (Pflegefachkraft / Gesundheits- und Krankenpfleger) with minimum 3 years' inpatient care experience sought. Provide clinical case management, communication, and patient advocacy support within the German healthcare system. Fluent in German and English required.

Create conversion-focused copy for demand generation channels including paid ads, landing pages, and social campaigns. Translate complex technical topics into clear messaging for IT professionals. Experience with AI tools and a strong portfolio of diverse content are required.

Mechanical Lead to manage mechanical site delivery on a large data center construction project. Responsibilities include installation, plant coordination, subcontractor management, quality control, and commissioning readiness.

Full-cycle Account Executive to grow Jira and Confluence app portfolio. Convert trials to customers, sell across multiple apps, and manage Data Center to Cloud migrations. Requires full-cycle B2B software sales experience, comfort selling multiple products, and familiarity with the Atlassian ecosystem. Professional English required, fluent German preferred for DACH region candidates.

Advises top management on strategy, efficiency, and transformation for maritime companies. Leads complex projects across shipping, ports, and cruise industries. Designs new business models and optimizes processes.