react English-speaking jobs in Wuppertal

Experienced Sales Specialist needed for Zendesk's Contact Center platform in Northern Europe. Minimum 7 years of cloud contact center sales experience required. Fluency in English and German is essential.

Provide armed security for embassies and diplomatic residences in Berlin. Duties include guarding, patrolling, access control, visitor registration, and monitoring security systems.

Drive the growth of a logistics technology company through strategic client acquisition and relationship-building. Develop and implement scalable sales processes, conduct product demonstrations, and collaborate with the product development team.

The European Council on Foreign Relations seeks a Data and Polling Working Student to support data research and analysis, prepare data visualizations, and contribute to policy research and advocacy.

Data Center Engineering Operations Technician will troubleshoot and operate electrical and mechanical equipment in a global data center environment. Responsibilities include following safety standards, taking operational readings, and supervising contractors.

Supply Chain Expert - Data & Sourcing Analyst will provide analytical insights to optimize sourcing activities. Responsibilities include comparing offers, supporting tenders and negotiations, and analyzing price trends. Requires a university degree in a relevant field, 3+ years of sourcing analytics experience, and proficiency in data analysis tools.

This 2-year PostDoc position at the Climate Service Center Germany focuses on co-developing and co-testing backcasting tools with local communities in the Amazonian and Landkreis Harburg regions to define climate-resilient futures. The role also involves evaluating and monitoring digital climate service tools.

Creative Strategist to lead ad ideation and performance-driven content direction. Develop creative briefs, ad copy, and video concepts. Guide production, optimize creatives based on data, and shape winning ad angles.

AI Product Builder (m/f/d) will build and ship working prototypes of AI-powered tenant features using tools like Claude, Cursor, Replit, or similar. The role requires 4+ years of product experience, a working portfolio of AI-built prototypes, and the ability to translate real estate operational reality into product decisions.

Service Engineer needed for development and manufacturing of medical devices. Manage service product lifecycle, contribute to New Repair Introduction, and collaborate with international teams. Bachelor's degree and 3+ years of experience in engineering, medical technology, or service engineering required.

Designs the AI architecture for the AI-defined vehicle of tomorrow, defining how LLMs, VLAMs, End2End driving models, Foundation world models, and agent systems integrate into ADAS architectures. Develops prototypes, evaluation pipelines, and data models, and tests them against real-world product requirements. Collaborates with expert teams to co-create cutting-edge ADAS products spanning L2 to L4 autonomous driving. Shapes how ADAS systems interact with other AI systems within the vehicle.

Manages and releases orders, tracks inventory, and provides reporting. Collaborates with internal and external teams on order fulfillment, marketing, and sales strategies. Prepares presentations and reports. Requires a bachelor's degree and 2+ years of retail sales planning experience.

The Portfolio Optimierung Manager will manage the end-to-end lifecycle of contracted assets, from evaluation and pricing to execution and performance monitoring. Responsibilities include contributing to desk PnL through trading strategies, working with the Origination team on business development, and developing hedging strategies. The role requires a proven track record in energy trading, asset optimization, or structured energy products, a detailed understanding of European energy markets, and strong quantitative and analytical skills.

The German Cancer Research Center (DKFZ) seeks an IT Security Specialist to define security standards for two data infrastructure projects: the Data Space Project and the German Human Genome-Phenome Archive (GHGA). The role involves analyzing IT security operations, implementing risk management frameworks, and ensuring compliance with modern standards.

Manages and develops a team of engineers specializing in electrical low voltage and security systems. Plans, implements, and supervises projects ensuring quality, efficiency, and compliance. Collaborates with departments and partners to optimize processes and systems.

Provides legal counsel to the Management Board and Supervisory Board on corporate and capital markets law matters. Supports capital markets communication, financing measures, and compliance with reporting obligations. Drafts and updates corporate governance documents and policies.

As Stream Lead Plan-to-Fulfill, you will lead the functional and organizational aspects of the Plan-to-Fulfill stream within a global SAP S/4HANA implementation program. You will ensure the successful design and transition of end-to-end processes into the new SAP landscape.

Project Engineer (m/f/d) will support the delivery of utility-scale EMS, BESS, and hybrid PV+BESS projects across Europe. Responsibilities include preparing project documentation, supporting network design, assisting with cybersecurity configuration, and configuring monitoring and EMS platforms.

Lab Manager responsible for formulation development of animal health products. Requires 3+ years experience in pharmaceutical industry with expertise in oral dosage form development and process scale-up. Must have strong knowledge of GMP and regulatory guidelines. Fluency in German and English required.

Execute complex threat intelligence engagements and projects independently, acting as a trusted advisor to clients. Manage stakeholder relationships, lead discussions with technical and executive audiences, and deliver high-quality threat intelligence services.