react English-speaking jobs in Wuppertal

The GFZ is seeking a senior scientist to lead its Secondary Ion Mass Spectrometry (SIMS) user facility. Responsibilities include managing laboratory operations, advising scientists on SIMS applications, developing research strategies, and reporting on laboratory utilization. The successful candidate will have a PhD in the natural sciences, at least 5 years of experience with SIMS instruments, and expertise in mineralogy, crystallography, and sample preparation.

Senior Data Scientist to co-lead data team, building and improving data pipelines for a web-based geospatial information system. Manage a data catalogue of over 2,000 datasets and collaborate with data scientists, engineers, and the renewable energy market.

Payroll Specialist manages monthly payroll for 250 employees across two locations, ensuring accuracy and compliance with German labor laws.

Working Student for IT Controlling supports budget planning, management, and auditing. Creates evaluations and optimizes reports. Requires proficiency in MS Office, ideally PowerBI, and knowledge of SAP FI/CO and SRM. Fluent English and German skills are necessary.

Architect end-to-end digital ecosystems connecting frontends, backends, and AI systems. Collaborate with stakeholders to define system architecture, ensuring scalability, reliability, and maintainability. Design integration interfaces and pipelines for GenAI models, visual AI tools, and enterprise systems. Guide teams through security, observability, and deployment best practices.

Senior Account Executive to drive sales of Talentir's payout software in the DACH market. 5+ years of enterprise B2B sales in fintech, payment infrastructure, or compliance SaaS required.

PhD position at the Institute for Molecular Pathogenesis, Heinrich Heine University Düsseldorf. Research focus: host-pathogen interactions, specifically how a host defense factor breaks down bacterial outer membranes. Requires M.Sc. in a relevant field, research experience in molecular biology, cell biology, and biophysics, and fluency in English.

Account Executive to manage high-value Swiss/DACH accounts and drive new business opportunities. This role transitions from account management to dedicated sales in November 2026. Requires native German, fluency in English, and experience in B2B SaaS sales, ideally within the hospitality, leisure, or attractions industry.

Launcher Assembly Technician responsible for the assembly, integration, and testing of launch vehicles. Requires vocational training in a relevant field, experience in aviation/aerospace, knowledge of gas/fluid bolting techniques, and fluency in English and German.

Senior Requirements Engineer translates business initiatives into detailed technical requirements and acceptance criteria. You will work closely with Product Management, QA, and Engineering to ensure clarity and minimize friction throughout the feature lifecycle. Experience in Requirements Engineering, IT Business Analysis, or a similar role is required, along with strong analytical and communication skills.

Leads IT projects and develops on-prem and cloud infrastructures. Designs and optimizes IT system architectures, ensuring continuous improvement. Consults on technologies, evaluates infrastructure performance, and manages integration and migration activities.

Lead a product pillar strategy for a critical product area, driving deep multi-product penetration across customer employee bases. Build and coach a product team to deliver unified, AI-enhanced, and scalable experiences.

PhD student will use MINFLUX microscopy to track proteins during translocation into mitochondria. Tasks include establishing labeling techniques, isolating proteins, and contributing to publications.

Software Architect to design and enhance machine-level application software for a high-throughput platform. Collaborate in an agile team to define requirements, guide architectural decisions, and participate in implementation, testing, and integration.

Account Executive will execute sales campaigns to expand Uber Eats' presence in Germany. Responsibilities include negotiating partnerships, onboarding new restaurant partners, and collaborating with cross-functional teams.

Research Associate (75% position) with opportunity to pursue a PhD in Innovation Leadership. Focus on international market expansion strategies, particularly in India and global markets.

Provides administrative and logistical support to the MTRI team. Responsibilities include organizing marketing activities, managing office supplies, handling correspondence, and providing event planning support. Requires advanced MS Office skills, fluency in English and German, and strong organizational and communication skills.

As a System Integration Engineer, you will ensure seamless product integration, robust test processes, and high quality operational performance across global integration centers. You will own KPI management, test equipment strategy, and NPI readiness while driving continuous improvement initiatives.

Leads, mentors, and develops a cross-functional engineering and technology team. Defines and evolves the technology roadmap for scalable, high-performance XR products. Evaluates, selects, and implements new tools, platforms, and technologies. Ensures high standards across software quality, security, reliability, and delivery. Partners with senior leadership to align technology with business strategy. Manages technology budgets, resource planning, and delivery timelines. Builds external technology partnerships and stays ahead of emerging market and technology trends.

Active participation in an ongoing SAP HCM implementation project, including requirements gathering, testing, training, and project management. Support the design of the future operating model and interface functions with external service providers. Record, evaluate, and validate future business and technical requirements. Analysis, optimization, and design of HR processes. Continuous further development of the HR system. Support future projects and management of external service providers.