react English-speaking jobs in Wuppertal

Acquires new investor clients for MSIM across asset classes. Manages existing client relationships, prepares client meetings, introduces new strategies, and provides product information.

Accounts Receivable Accountant supports the Accounting Team in Berlin. Responsibilities include invoicing, processing payments, account reconciliations, and handling payment disputes. Requires commercial training, experience in accounts receivable, strong German and English skills, and proficiency in MS Office and ERP applications.

As a Quant & Engineering Intern, you will develop quantitative analyses, models, and prototypes to solve real trading problems for clients in the energy sector. You will use AI tools and Python for data science and quantitative modeling, and collaborate with traders and the CTO.

Lead and empower high-performing engineering teams to deliver value consistently. Translate company goals into actionable technical objectives and ensure adherence to SDLC best practices. Possess strong technical fluency in software development and cloud architectures.

Lead and scale Scalable Capital's Accounting function, covering German GAAP (HGB/RechKredV) and IFRS requirements. Design, standardize, and automate accounting processes, own cross-functional projects, and manage the monthly and annual close.

Software Strategic Sourcing Advisor with 7+ years of experience in cloud and on-premise software negotiations, cost modeling, and vendor analysis. Leads projects for mid-size to large software sourcing engagements. Requires expertise in SAP or Microsoft, strong presentation skills, and the ability to structure and lead negotiations.

Senior Research Engineer to design, build, and deploy LLM-based systems and agentic workflows. Focus on turning prototypes into reliable, scalable, and measurable systems. Strong Python fundamentals and experience with LLMs, NLP, or Generative AI systems required.

Manages end-to-end production of seasonal assets for e-commerce platforms, including marketing content. Collaborates with creative and production teams to ensure smooth operations and high-quality asset delivery. Develops and implements process improvements, including new scheduling processes and templates. Liaises with stakeholders across Marketing & Consumer, Creative departments, and external partners.

Designs footwear and apparel color, materials, and construction, drawing on trend research and consumer insights. Creates 3D concept representations and collaborates with factories, development teams, and stakeholders. Requires a four-year degree in a design field and three years of relevant experience.

Manage and develop national and European online marketplaces. Create and optimize product listings, manage marketplace activities, and monitor KPIs.

As a Customer Success Manager, you will build relationships with customers in the DACH region, drive product adoption and expansion, and ensure customer success. You will act as a trusted advisor, leveraging technical understanding and commercial insight to achieve sales goals.

Develop and improve the global IT and Cyber Risk Management framework for EOS Group. Assess cyber and IT risks, translate them into management-relevant insights, and drive the transition to measurable risk evaluations. Create standardized risk assessments and templates for global technologies. Enable and advise local organizations through training, guidance, and methodological support. Act as a trusted advisor to IT, Compliance, and Management stakeholders. Support compliance and regulation requirements in alignment with national and international standards.

This fixed-term, part-time (67%) PhD position focuses on electrochemical CO₂ reduction. The successful candidate will design, fabricate, and optimize catalyst-coated electrodes for CO₂ electrolysis, conduct experiments, and analyze data.

Research Assistant (m/f/d) to work on microstructuring of optical materials for integrated photonics, waveguide lasers, optical frequency conversion, and optomicrofluidics. Responsibilities include independent design, fabrication, and experimental investigation of microfluidic systems based on lithium niobate.

PhD student in Digital Cardiovascular Research will develop novel computational methods for analyzing clinical data and contribute to a landmark individual patient data meta-analysis. The position requires a Master's degree in a quantitative field, technical expertise in data science and data engineering, and proficiency in PyTorch.

Finance Specialist SAP - Financial Accounting will design and maintain SAP FI processes within the new S/4 HANA program. Responsibilities include acting as a subject matter expert, managing the full project life cycle, and collaborating with business partners.

Provide technical leadership for MES workflows, integrations, and shop-floor systems. Collaborate with architects, business teams, and vendors to ensure system reliability. Guide the team on development, AMS support, and troubleshooting.

Develops and executes the go-to-market strategy for Twitch advertising solutions in the German market. Leads market demand analysis, opportunity sizing, and tracks performance. Partners with sales teams and Ads Marketing to achieve revenue targets and drive product adoption. Requires fluency in German and English.

Concept Designer (m/f/d) needed to develop and shape creative concepts for media scenography, exhibition design, and immersive experiences. Translate client goals and audience insights into clear conceptual frameworks and visual presentations. Collaborate with Creative Direction, Content, and Technical teams to ensure concept consistency and feasibility.

Senior Enterprise Sales Specialist to accelerate growth of the Stibo Systems Customer Experience Data Cloud. Supports and elevates regional sales teams, acting as a trusted advisor to enterprise customers. Leads complex sales cycles, drives deal strategy, and provides coaching to regional teams. Requires 10+ years of enterprise software sales experience with a strong track record selling Customer Data Solutions. Proven success in complex enterprise environments and experience in overlay / specialist sales roles within matrixed, international organizations. English is essential; additional languages are a strong asset.