react English-speaking jobs in Wuppertal

Leads a team of Data Scientists, Operations Research Scientists, and Machine Learning Engineers to maximize the impact of real-time courier incentive systems. Owns the data science strategy for courier compensation models, dynamic boost and surge mechanisms, and engagement incentives. Drives critical business outcomes by taking ownership of key courier supply metrics. Designs the conceptual framework for real-time incentive engines, balancing model sophistication with latency and reliability constraints. Oversees the development of predictive models that address local supply-demand imbalances and optimize real-time boost levels. Ensures pay models are rigorous, auditable, mathematically consistent, and free from unintended bias. Leads the design and execution of complex marketplace experiments to accurately measure the real-world impact of pay and incentive changes. Directs the modeling of courier behavior and builds frameworks to maximize the ROI of incentive spend.

Supports the R&D Chemistry Team with synthesis and analysis. Manufactures and packages chemical kits, including labeling. Operates and monitors the para-hydrogen production system. Documents all production and packaging processes.

As Interim Senior Brand Designer, you will own the creative pipeline and evolve the Edurino identity, turning marketing needs into high-standard visual stories. You will lead the conceptualization and visual identity for major campaigns and seasonal events, producing high-quality assets across digital and print touchpoints.

TKMS MARIDAN seeks an Electrician / Electrical Engineer to join a team of specialists providing subsea solutions including AUV, UXO survey, and seismic services.

Graduate Assistant to support copyediting, website maintenance, digital repository management, research assistance, and general administrative tasks. Must be enrolled in a German master's program, have native-level English proficiency, and be proficient in Microsoft Office.

The NUCLEATE Excellence Cluster at the University of Würzburg seeks PhD or Postdoctoral Researchers in nucleic acid sciences and technologies. Applicants for a PhD position must hold a Masters degree, while postdoctoral applicants require a doctoral degree in a relevant field.

This is a non-traditional CFO role for a high-growth technology company. The successful candidate will lead financial strategy, investor relations, capital raising, and strategic transactions. The CFO will serve as a strategic partner to the CEO and Board, shaping the company's future through growth, acquisitions, and partnerships.

Experienced Chief Operating Officer needed for a high-growth Fintech company. Will shape and oversee systems, processes, and people to support business operations and growth. Requires deep understanding of FinTech, software development, and operations management.

Develops and executes communications strategies for Nike in Germany, focusing on sport, athletes, style, and culture. Manages media and creator relationships to amplify Nike's narrative and build brand awareness. Collaborates with internal teams to ensure consistent messaging and drive employee engagement.

The Digital Assets & UX Lead will shape and execute a user-centric digital first UX strategy for the ProCredit group. Responsibilities include collaborating with stakeholders, conducting research, developing UI/UX strategies, and designing end-to-end digital experiences.

Serves as primary point of contact for global automotive customers, managing full order process, logistics, and forecast execution. Drives process improvements, collaborates with cross-functional teams, and ensures on-time, compliant execution.

Publicis Re:Sources seeks a Tax Director for the DACH region to manage tax compliance, reporting, and advisory activities across Germany, Austria, and Switzerland. The role covers direct taxes, VAT, transfer pricing, and serves as a key point of contact for the business, finance, external advisors, and tax authorities.

Senior Infrastructure Engineer to lead and shape on-prem Linux and Proxmox-based infrastructure. Requires strong Linux administration, virtualization (Proxmox preferred), and datacenter experience. Focus on automation, mentorship, and driving technical direction.

Lead applied AI research in LLMs, agent frameworks, and document understanding. Drive productization of AI solutions and design AI pipelines for automation. Collaborate with product, customer success, and engineering teams. Mentor and grow an AI team.

Develop and maintain scalable Salesforce solutions using Apex, Lightning Web Components, SOQL/SOSL, APIs, and integrations. Provide expert guidance on Salesforce topics, ensuring adherence to coding standards and quality assurance.

Senior Electronics Engineer needed for challenging projects requiring analytical skills, firmware understanding, and experience with motor control systems, power electronics, and communication protocols. Must have experience with schematic design, PCB layouts, and testing.

Novastone Capital Advisors seeks motivated professionals to acquire and lead a small to medium-sized enterprise in Germany. Successful candidates will manage the acquisition process, develop business strategy, and drive growth. Must have 10+ years of professional experience, 5+ years in leadership roles, and 10+ years of experience running and growing businesses in Germany.

PhD student conducting scientific research in aerosols, surfaces, and aqueous solutions. Develop computational models, analyze experimental data, and collaborate in interdisciplinary teams.

The Fraunhofer Institute for Industrial Engineering IAO seeks a (Senior) Quantum Software Developer to join the Quantum Service Engineering research area. The role involves translating theoretical quantum concepts into software systems and disseminating research findings through accessible tools.

As an Automation Engineer, you will monitor, troubleshoot, and repair automated systems to ensure efficient order fulfillment. You will analyze data, develop improvement strategies, and collaborate with teams to maintain and optimize equipment.