react English-speaking jobs in Wuppertal

Senior RF Applications Engineer to solve RF test and validation challenges for Aerospace & Defense. Design solutions, develop proof-of-concept systems, and collaborate with customers and internal teams. Requires RF/Electronics degree and hands-on experience.

R&D Engineer to take new devices and processes from initial experiment to production. This role combines hands-on lab work with technical responsibility for customer projects involving optoelectronic devices.

Prepare competitive installation concepts for FACTS projects (STATCOM, SynCon, BESS) within international tenders. Develop strategies, cost estimates, and schedules while ensuring technical feasibility and alignment with execution requirements.

Build reliable backend features for our B2B squad using C# and AI tools. Work on real, live systems powering our business. Ideal for a student comfortable with C# and AI-native development.

Part-time Warehouse Assistant role available. No prior experience is required. Opportunities include full-time and part-time shifts with fixed schedules.

Drive tax reporting and technology across the group, supporting German and foreign tax obligations. Manage tax calculations for ~80 foreign entities, contribute to consolidated financial statements, and evaluate AI-enabled tax solutions. Requires 3 years of experience and fluency in German and English.

Build or improve real AI projects using open-weight and Gemini models. Work independently and asynchronously on tasks. Must actively build a project using AI tools and be comfortable with basic terminal setup on Mac or Linux.

Head of Controlling to shape the Controlling setup for a growing international group. Focus on developing budgeting, investor reporting, and cost/revenue frameworks. Requires experience in fast-growing international business and strong analytical skills.

This Postdoctoral Researcher role focuses on Research Data Management and Community Engagement for the PUNCH4NFDI 2.0 project. The position bridges technical tools and user needs, coordinating outreach, training, and stakeholder networking. A Ph.D. in a quantitative field is required.

Aircraft Mechanic for CH-47 systems requires FAA A&P or FCC Elements 1 and 3. Duties include maintenance, inspection, and repair of military tactical aircraft systems. Five years of recent applicable maintenance experience is required.

Senior Full-Stack Engineer needed to develop and maintain web applications using Node.js, Vue.js, and/or React. Requires 4-7 years of experience, strong frontend/backend skills, and knowledge of CI/CD and cloud infrastructure.

Account Manager to drive construction solutions through customer partnership. Manage a portfolio, build relationships, and conduct high-level consultations. Requires 3+ years of outside sales experience and a hands-on attitude.

Experienced Dutch-speaking High-Ticket Sales Closer needed for a real estate/home improvement client. Conduct video sales calls, build rapport, handle objections, and convert qualified prospects into customers to meet revenue targets. Fluent in Dutch and English is essential.

Develop electronic devices combining analog and digital circuitry. Responsibilities include schematic design, independent PCB layout, and full hardware development cycle tasks. Requires strong knowledge of analog/digital design and PCB principles.

Manage global IT license strategy and operations across the ALTANA Group. Responsibilities include lifecycle management, compliance reviews, vendor audits, and identifying savings opportunities. Requires relevant experience and strong analytical skills.

Lead Engineer Europe supports Life Sciences clients by implementing Real-Time Scheduling (RTS) and Discrete Event Simulation (DES) to optimize manufacturing processes. Requires 5+ years of experience, proficiency in simulation tools, and C#/C++ skills.

Medical Expert – Clinical Science responsible for clinical-scientific and regulatory activities across the product lifecycle. Key duties include preparing regulatory documentation, interpreting scientific data, and advising on benefit-risk assessments. Requires a Medical Doctor and relevant industry experience.

Senior AI Engineer designs and implements production-ready AI solutions, building scalable LLM, RAG, and agent architectures. Requires 5+ years of ML/DL experience, proficiency in Python, and cloud deployment skills.

Drive mass timber business growth across Europe, focusing on DACH. This role requires combining technical expertise with commercial drive to build strategic partnerships and convert opportunities in sustainable construction.

Global Data Analyst role requires analyzing source systems, mapping data flows, and designing data models. Candidates need a relevant degree and 5-8 years of experience with SQL, Python, and data analysis.