manual tester English-speaking jobs in Wuppertal

The HR Director Europe leads the regional HR function, reporting to the CFO. This hands-on role focuses on the German market while overseeing broader European operations. The successful candidate will have significant experience in a senior HR role within a German-headquartered or German-focused international business.

Strategic Buyer (m/f/d) will define and execute procurement strategy, optimize costs and processes, and build relationships with international suppliers. Requires a bachelor's degree, 3-5 years of purchasing experience, strong negotiation skills, and proficiency in Excel.

Designs, builds, and owns SAIZ's enterprise operating model, including onboarding, value delivery, account maturity, and expansion. Leads strategic accounts, identifies patterns, and translates customer insights into scalable processes and frameworks. Builds systems that scale without losing quality or depth.

Oversees the organization, execution, and assessment of user training for internal staff and external clients on Biosensors Structural Heart products. Supports product implantation globally, focusing on training during center openings and certification processes.

Students in computer science or related fields are sought to work on research projects in 3D computer graphics and visual computing. Projects include 3D reconstruction, differentiable rendering, and optics simulation.

Leads design, deployment, and system-level management of advanced network solutions focusing on automation and AI/ML integration. Drives automation and AI/ML-enabled capabilities across the architecture.

Part-time student software developer with a focus on game development sought. Develop interactive tools, prototypes, and visualizations. Support digital platform and software development.

Lead a research group in transportation and infrastructure systems. Develop and manage independent research and business areas. Experience in research, project management, and team leadership required.

This 24-month graduate program provides structured experience in Controlling & Finance, including international placement. You will gain hands-on experience in financial processes, analyses, reporting, and process improvement. The program includes mentoring, feedback, and a clear development path leading to a key role after completion.

Experienced Construction Manager needed for a 6-month battery energy storage system (BESS) project in North Rhine-Westphalia, Germany. Manage budgets, schedules, risks, and multidisciplinary teams. Lead construction and ensure stakeholder communication. Proven BESS or renewable energy project experience required.

Medical Monitor provides medical expertise for global clinical trials, ensuring patient safety and protocol adherence. Advises clients, project teams, and regulatory agencies on medical matters. Reviews clinical data, addresses safety issues, and collaborates on clinical development plans and reports.

The Chief of Staff owns the operational engine of Ignite Next's deep tech startup accelerator program. Responsibilities include program experience management, event planning, partner delivery, communications, recruiting, and finance operations.

Partner Success Manager for German residents. Onboard and train new partners, build relationships, and support complex sales processes. Analyze market signals and translate them into product improvements. Fluent in German, with Dutch or English. Proven track record in Partner Success, Customer Success, Solution Engineering, or sales of complex software solutions.

Senior InHouse Consultant providing strategic consulting support to European Management. Drives projects related to business transformation, growth, and operational excellence. Leads complex, cross-functional strategic projects from concept to implementation.

Drive standardization and optimization of financial and business processes across Clarios EMEA, with a focus on Record-to-Report. Lead month-end closing, reporting, SOX, and internal audit activities. Manage HQ cost and OE SG&A initiatives, enhance planning, forecasting, and reporting processes. Serve as the primary interface to the Shared Service Center and Global FP&A organization. Lead strategic initiatives and transformation programs, including ERP transformation and M&A activities. Provide people leadership, talent development, and organizational alignment.

Develop and implement IT cost management strategies for clients. Contribute strategic insights to procurement of hardware, software, and managed services. Manage external and internal stakeholders, including C-level contacts.

Freelance lecturer in Business Administration Sustainability needed for 48 teaching units starting July 1, 2026, in Berlin. Teach fundamental knowledge in sustainability frameworks, corporate sustainability management, and sustainability reporting. Design courses using provided materials and conduct practical teaching sessions. Requires a university degree in a related field, practical work experience, and English language skills at C1 level.

Assist concept designer with trend, material, color, and product research. Digitalize color cards, mood boards, and keylooks. Support collection meetings, styling, and shootings. Create mood videos and presentations.

Project Manager needed for multiple Telecoms/Data Centre projects in Germany. Will liaise with stakeholders, support project planning, and travel to various sites. Requires transferable electrical engineering qualifications and industry experience. Fluent English and German are essential.

The Senior Data Modeler defines and governs enterprise-grade data models, translating business concepts into scalable data structures. This role designs models for cloud-native platforms, ensures interoperability, and mentors data analysts. Responsibilities include leading data modeling workshops, enforcing standards, and collaborating with architects and engineers.