react English-speaking jobs in Wuppertal

Develop and implement test programs on Teradyne J750 ATE for microcontroller devices with embedded NVM. Execute engineering and characterization tests, optimize test programs, and analyze test data.

Field Sales Executive (f/m/d) with proven sales achievements in the rail sector is sought to identify, develop, and close opportunities in the DACH region. Responsibilities include maintaining customer relationships, assisting with tenders and quotations, and preparing market analyses.

Provide technical and commercial support for LCD and PCAP touch devices. Manage product development, introduction, and design-in. Develop relationships with customer and distributor engineering teams. Contribute to technical documentation and market analysis.

Investment Banking Associate/Vice President for a leading international mid-market investment bank. Execute M&A transactions, build financial models, and prepare client materials. Associate requires 4-6 years of experience, VP requires 6-9 years. Fluency in German and English is mandatory.

Supports Fidelity's Institutional Asset Management activities in Germany, working closely with the Head of Insurance and Family Offices and senior sales colleagues. The role includes exposure to different institutional client segments, with a particular focus on insurance companies, family offices and pension funds. Assists in new mandate tenders, client-related initiatives, business reporting, and events.

As a Cash Collection Specialist, you will manage overdue accounts, contact customers regarding unpaid invoices, and negotiate payment plans. You will collaborate with sales and finance teams to resolve billing issues and ensure timely collection of outstanding debts.

This role combines strategic HR Business Partner responsibilities with operational HR tasks. You will act as a trusted advisor to senior leadership, supporting a high-performance culture and ensuring smooth execution of core HR processes.

Software Engineers design, develop, test, and maintain software services. Involves all stages of the software lifecycle and close collaboration with customers. Requires a Bachelor's degree in Computer Science or related field and experience in C/C++, Python, or Java.

Tech Unit Lead for Riverty will define and own the long-term technical and architectural vision for their domain, ensuring scalability, security, and compliance. This role partners with Product and Business leadership to shape strategy, align technology investments, and deliver customer-centric outcomes. The Tech Unit Lead will lead multiple cross-functional engineering teams, drive modernization efforts, and ensure alignment with group-wide objectives.

Develop flight control laws, analyze dynamic systems, and integrate control systems with sensors and actuators. Requires a Master's degree in Aerospace or Systems Engineering and extensive experience in flight control systems development.

Design, develop, and integrate network security components for a dynamic operating system based on NixOS. Leverage Open Source software and contribute to upstream projects.

Drive sales of Copperleaf software solutions to target accounts in the Nordics region. Identify, pursue, and close new sales opportunities, building and maintaining relationships with key decision makers.

The Research Training Group 2950 SyMoCADS offers 9 doctoral research positions and 1 postdoctoral position in various fields related to microfluidic control (MC). Applicants must hold a Master's degree (for doctoral positions) or a Ph.D. (for the postdoctoral position) in a relevant field. Specific degree requirements vary by project.

Senior Enterprise Account Executive will drive new business sales revenue through account planning, territory planning, and field-based sales activities. Requires 10+ years of software or solutions sales experience, experience establishing trusted relationships with clients, and the ability to understand the "bigger picture" of IT. Must have experience producing new business, negotiating deals, and maintaining C-Level relationships. Fluency in German and English is required.

Accounts Payable Clerk will check, code, and post invoices, create and record payment runs, reconcile ledgers, and participate in financial statement preparation. Requires a completed commercial apprenticeship, at least 3 years of experience, and knowledge of MS Office.

Develop and manage international key accounts in the data center segment, building and maintaining long-term customer relationships at the C-suite level. Co-develop and implement the central segment strategy for data centers, developing go-to-market strategies and use cases. Build and maintain an internal cross-country data center community to foster knowledge exchange and synchronize activities.

Account Executives drive incremental add-on business within Workday's existing customer base. Responsibilities include developing and maintaining customer relationships, performing account planning, and coordinating with internal teams. Requires 4+ years of experience selling SaaS solutions to C-levels and negotiating deals.

Nachhilfeunterricht seeks motivated Fitness Coaches to provide personalized online and in-person coaching sessions. Assist clients in achieving fitness goals, building healthy habits, and improving overall wellbeing. Strong communication and motivational skills are essential.

Maintain and develop an Integrated Management System (IMS) and Compliance Management System (ESG) according to legal, contractual, and BizLink requirements. Ensure compliance with technical and legal specifications and implement "Green Policies" to meet decarbonization targets. Provide management reviews, KPIs, and ESG data for the annual corporate CSR report.

Product Owner responsible for Viessmann Air/Water Heat Pumps for Toshiba and Carrier brands in Europe. Develops and launches innovative products, manages product lifecycle, and orchestrates project execution across all interfaces. Requires a Master's degree or advanced technical degree, minimum 3 years of experience, and fluency in English and German.