react English-speaking jobs in Wuppertal

As a Change Manager, you will lead process improvement projects, manage site budgets, and collaborate with stakeholders to drive productivity enhancements. You will oversee the site's Non-Inventory Supplies and Waste Management team and foster a culture of continuous improvement.

Power Electronics / AI Engineer needed to develop AI-assisted methodologies for power converter design, including magnetics, control schemes, and circuit architectures. Collaborate with engineering teams and research organizations to solve performance challenges and track emerging trends in AI and power electronics.

Senior UX/UI Designer to lead design decisions for a rapidly growing community app. Create scalable design systems, identify UX issues, and elevate app usability and visual quality. Mentor existing designer and establish design processes.

Senior HR Business Partner will act as a trusted advisor to site leadership, aligning HR strategies with operational and business goals. Responsibilities include talent acquisition, development, and succession planning, championing a positive workplace culture, and ensuring compliance with local labor laws. Requires a Bachelor's or Master's degree in Human Resources, Business Administration, or a related field and at least 8 years of experience as an HR Business Partner, including 5 years in a production/manufacturing environment.

HR Generalist responsible for the full employee lifecycle, including recruitment, onboarding, performance management, and offboarding. Supports training, personnel development, and HR controlling. Requires a degree in Business Administration with a focus on labor law and 3+ years of HR experience.

Lead non-card payment operations for a new banking setup, establishing and stabilizing SEPA Credit Transfers, Instant Payments, and Direct Debits.

Postdoctoral Researcher position at FAU Erlangen-Nürnberg focusing on surface science studies of model catalysts for sustainable catalysis. Expertise in synchrotron techniques (e.g., XPS) or surface science methods is desired.

Provides full-cycle recruitment support for professional and technical roles, including job posting, screening, and offer processing. Manages HR inquiries, onboarding/offboarding, and maintains personnel files. Oversees day-to-day office operations, including vendor management, event coordination, and travel arrangements.

Sustainability Lead for a large data center construction project in eastern Germany. Develop and implement sustainability strategies, lead assessments, manage documentation, and ensure compliance with regulations and client standards.

Lead a thriving insurance solutions branch specializing in B2B clients. Manage daily operations, drive business growth, and optimize internal processes. Collaborate with a nationwide organization to achieve strategic goals.

As a Senior Engineer, you will build and maintain end-to-end testing infrastructure, improve developer experience, and partner with product and engineering teams to elevate quality practices. You will also mentor engineers, estimate and plan projects, and solve complex technical challenges.

Payment Operations Specialist will test, monitor, and handle e-commerce payments, ensuring accuracy and compliance. The role involves managing tickets, supporting management on payment methods, and collaborating with IT teams to improve payment features.

Develop, maintain, and improve cost models for fuel cell systems and components. Perform cost analyses across the product lifecycle and identify cost optimization initiatives.

Senior Manager GSM Indirect Ops-EMEA will support the Global Supply Chain and Global Facilities management team’s journey to drive efficiencies within Europe. This role will work with multiple internal C-level executives, operations and supply chain leaders, plant managers, finance and communications leaders to institute significant change within the SBD to move to drive the Power of One SBD. Key sub-categories include MRO, Facilities and Office Supplies. This role will also be responsible for overseeing Total Cost of Ownership (TCO) value creation for these categories through a combination of productivity, quality, innovation, service excellence, risk management and margin resiliency.

Leads and manages Customer Service across continental Europe, ensuring high service standards. Oversees order execution, customer inquiries, and feedback. Collaborates with the Commercial team to understand customer needs and drive service excellence.

Leads and coordinates all internal and external audits, ensuring seamless cooperation with auditors and timely implementation of recommendations. Manages and ensures the quality of services received via Service Level Agreements (SLAs) to optimize operational efficiency. Serves as the key local contact for the Group’s IFRS network, service providers, and joint ventures. Ensures adherence to evolving statutory requirements, including e.g. the preparation for IFRS 18 and integrated ESG/non-financial reporting standards. Leads or participates in strategic cross-functional projects, such as system migrations (e.g., SAP S/4HANA) or organizational restructurings.

Master's thesis on reliable post-quantum VPN tunnels. Research and test fragmentation mitigation for lossy networks, extending an IPsec stack with open-source PQC libraries.

The Nutriment Company seeks a Chief of Staff to support the CEO and leadership team. This role involves preparing board materials, managing projects, and acting as a strategic partner. The ideal candidate has 3-5 years of experience in management consulting and is fluent in English.

Leads end-to-end M&A transactions, including origination, valuation, due diligence, and closing. Provides support to Directors and Managing Directors, and mentors Associates and Analysts. Requires several years of relevant experience in Investment Banking/M&A with proven execution experience across the full M&A lifecycle.

Project Manager - Category Management plans, executes, and monitors projects, leading IT and process initiatives. Manages budgets, resources, and risks, collaborating with internal and external stakeholders. Requires a university degree and 3+ years of project management experience.