backend developer English-speaking jobs in Duisburg

Senior Windows System Administrator needed to manage and support Microsoft infrastructure platforms in Germany. Responsibilities include Active Directory administration, server maintenance, patching, and incident resolution. Requires 5+ years of experience in Windows infrastructure administration, strong Active Directory knowledge, and proficiency in PowerShell scripting. Fluent English required.

Service Technician (m/f/d) for Wind Turbines. Repair and maintain wind turbines, analyze error messages, and carry out modifications. Requires vocational training in a relevant field, experience with Microsoft and iOS, and a valid Class B driver's license.

PhD student to study Fe-bearing materials at high photon energies. Participate in R&D of X-ray scattering experiments and dynamic compression experiments. Prepare PhD thesis and participate in the TU Dortmund PhD program.

Drive new logo acquisition for Check Point's Infinity platform within strategic enterprise accounts in Germany. Build executive relationships, present solutions, and lead negotiations to close deals.

The Fraunhofer Institute for Industrial Engineering IAO and the Fraunhofer Institute IPA are seeking a (Senior) Quantum Software Developer to join their Quantum Service Engineering research area. The successful candidate will translate theoretical concepts into robust, scalable, and maintainable software systems.

Leads global MS&T strategy for antibody manufacturing, supporting clinical and commercial programs. Provides technical leadership for process development, scale-up, and continuous improvement. Drives technology transfers and establishes manufacturing strategies to improve process robustness and scalability.

Coordinates operation of the SUNDAE2 measurement system for superconducting undulator characterization. Integrates, commissions, and optimizes mechanical, electrical, and motion-control systems. Operates, maintains, and develops the SUNDAE2 Hall probe measurement system.

Leads a product team, drives innovation strategy, and champions evidence-backed product development. Sets a vision for product excellence and ensures seamless team collaboration. Builds for quality and scale, ensuring product development and launch processes are efficient and effective.

The Country Marketing Manager for TMTT Germany will develop and execute the national marketing strategy, driving market development and growth for Edwards' Mitral and Tricuspid Therapies Business Unit.

Provides on-site service and relationship management at customer factories, resolving issues from occurrence to closure. Develops response plans, manages escalation risks, and coordinates internal resources. Facilitates communication between customers and internal teams to achieve service goals and customer satisfaction.

Leads Occupational Health, Safety, and Environmental standards, ensuring regulatory compliance in a complex production environment. Drives Health, Safety, and Environmental performance, monitors KPIs, and leads audits and risk assessments. Requires a degree in a relevant field, 5+ years' experience, and fluency in German.

Leads commercial expansion in Germany and the DACH region for an AI-powered engineering and manufacturing solutions company. Builds strategic relationships with industrial manufacturers and drives adoption of AI solutions. Combines enterprise sales, consultative solution selling, and customer engagement. Reports to the Co-founder & CEO.

Junior Treasury Manager (m/f/d) Liquidity, FX and Working Capital Optimization will support the optimization of working capital structures in a dynamic energy trading environment. Responsibilities include supporting liquidity and collateral management, preparing forecasts and analyses, monitoring FX exposure, and enhancing transparency.

Leads and manages the LNG trading desk, developing strategy, executing trades, and optimizing regasification terminal utilization. Identifies market opportunities, builds relationships with counterparties, and ensures adherence to risk and compliance policies. Requires 5+ years of LNG trading experience and strong leadership skills.

Senior Process Analyst to shape globally harmonized business processes for a leading semiconductor company. Support business transformation projects with process requirements, design, and documentation. Analyze processes, identify pain points, and develop efficient solutions. Collaborate with global business and process experts to create scalable processes. Support process changes and user adoption. Bachelor's or Master's degree in a relevant field and experience in process transformations are required.

Experienced CSA Project Manager needed for a major data centre development in Berlin. Lead delivery of civil, structural, and architectural works, manage subcontractors, and coordinate with design, engineering, and commercial teams.

Lead a full business unit end-to-end, owning P&L, product direction, team, customers, and growth. Build and manage cross-functional teams, drive B2B growth, and set and execute strategy.

Leads and develops X FAB's photonics activities, focusing on the XPH90 platform, heterogeneous integration, and optical device development. Manages multidisciplinary teams in Erfurt and Corbeil, defining technology roadmaps and development processes. Drives strategic collaborations with partners like Ligentec and RTOs. Evaluates customer requests, defines technical solutions, and participates in customer meetings.

Kautex, a global automotive supplier, seeks a Working Student IT - Infrastructure to support its IT infrastructure across 30+ plants in 13 countries.

Lead and develop program managers and technical leads for two main product lines (hardware and software). Optimize the product development process for scalability and orchestrate cross-functional technical teams. Provide transparent reporting on progress, feasibility, risks, and trade-offs. Build a scalable engineering organization and manage resources across teams.