react English-speaking jobs in Wuppertal

This is a full-time, permanent position for a clerical and administrative support role in an ambulatory setting. The incumbent will perform receptionist, recordkeeping, and clerical duties, including managing patient appointments, verifying eligibility for care, and handling patient inquiries. The role requires proficiency in English (B2 level) and experience with common software and computer systems.

We are seeking a highly motivated individual to conceptualize and build a new revenue vertical for our rapidly growing property management company. This role involves driving geographical expansion, transforming portfolio companies into scalable technology entities, and leading recruitment efforts. Native-level German fluency and a proven track record of building something from scratch are essential.

Project Resource and Operations Specialist to manage subcontractor resources, procurement, and logistics for civil/FTTH projects. Requires 3+ years of experience in project support, strong organizational skills, and fluency in German and English.

Architect the brand strategy for a pet technology product. Full-stack marketing responsibility including GTM strategy, brand positioning, growth, content, community, and partnerships. Proven track record scaling B2C products with 4+ years of experience, at least 2 in a startup environment.

Training Coordinator needed to support NIIT's customer in Frankfurt. This role involves analyzing training needs, coordinating session delivery, and collaborating with the customer's learning delivery team. Requires 2-4 years of experience in learning delivery management, fluency in German and English, and proficiency in MS Office.

This HR Administrator - Office Manager role combines HR administration and office management. Responsibilities include managing employee data, leave administration, fleet processes, onboarding/offboarding, and facilities operations. The ideal candidate has 3+ years of HR administration experience, proficiency in German and English, and strong organizational and communication skills.

Shape Advantest's process, data, and technology landscape as a Global E2E Enterprise Architect. Develop and maintain the enterprise architecture vision, strategy, and roadmap, aligning business goals with technological capabilities. Analyze emerging trends and technologies, assess their impact, and recommend adoption strategies. Lead the design of a scalable, integrated architecture to enable Advantest's growth. Collaborate with business, process, data, and solution architects to ensure architectural coherence.

The Leibniz Institute for Natural Product Research and Infection Biology seeks a Scientific Communication, Public Relations, and Events Officer to prepare and communicate research results and activities, particularly for the INCATE project. Responsibilities include writing accessible texts, supporting public relations activities, organizing events, and developing communication materials. The ideal candidate has a degree in media, communication, journalism, or public relations, or a natural science degree with proven science communication skills. Fluency in German and English is required.

Junior Key Account Manager will build, manage, and develop strategic key accounts in the DACH region. Responsibilities include identifying new customers, analyzing market trends, leading negotiations, and ensuring customer satisfaction.

Lead and develop the indirect procurement team, ensuring clear prioritization and alignment within a growing organization. Manage the full procurement lifecycle, including market analysis, sourcing, contract negotiation, and contract award. Drive cost optimization and value creation through spend analysis and supplier strategies.

Hire Resolve is seeking experienced petrochemical professionals for roles in refinery, chemical, and downstream manufacturing operations across Germany. These mid- to senior-level positions offer pathways to leadership roles.

Leads Product Carbon Footprint (PCF) and Life Cycle Assessment (LCA) strategy across agricultural and food value chains. Develops and owns LCA/PCF methodologies (ISO 14040/44, ISO 14067, GHG Protocol Product Standard) and manages data integrity. Translates complex requirements into scalable processes and tools, ensuring scientific rigor.

Freelance mathematicians with a degree and 2+ years of experience are sought to design problems, evaluate AI solutions, and improve AI reasoning for leading tech companies.

MEP Procurement Lead for data center, pharmaceutical, and advanced manufacturing projects. Leads procurement strategy, tender processes, and negotiations for mechanical & electrical packages. Requires experience procuring MEP packages, technical understanding of MEP systems, and proven negotiation skills.

Research Associate (m/f/d) in the field of “Integrated photonic resonators for molecular sensing”. The position involves experimental work on the development of photonic resonator cavities for molecular sensing, including exploring multi-signal approaches. Collaboration with specialists in optics, microelectronic design, clean-room processing, and advanced micro/nano metrology is required.

Senior QA Engineer needed for end-to-end (E2E) testing using Java-based frameworks (TestNG, JUnit) or Cypress. Design, develop, and maintain automated test scripts, focusing on data-driven risk reduction and performance testing. Collaborate with cross-functional teams to ensure thorough testing of features and functionalities.

Provide on-site diagnostics and repairs for Cowboy e-bikes in Hamburg. Travel to customer locations, use diagnostic tools, and deliver a positive repair experience. Must be customer-oriented, reliable, and comfortable working independently. Freelance/self-employed status required. German and English fluency needed.

Develops the "Digital Products" domain according to the Area Consulting CoE Products & Digital Solutions and Corporate IT Strategy. Acts as advisor, guiding business units through ideation, process optimization, and technology scouting. Ensures adherence to the Enterprise Architecture Management (EAM) framework within Liebherr-IT Services GmbH and the entire Liebherr Group.

Design and write a master's thesis on predictive maintenance for commercial dishwasher heating elements. Develop an AI-based condition monitoring approach, from sensor technology to analysis and prediction.

The CFO Switzerland will architect and optimize financial technology, drive process reengineering, and lead a team of accounting professionals. Responsibilities include building and scaling a high-performing team, delivering financial reporting, and supporting strategic decision-making. The ideal candidate has a proven track record of automating and scaling finance operations in fast-growing environments.