developer English-speaking jobs in Duisburg

Conduct mathematical research in applied harmonic analysis, applied functional analysis, inverse problems, or machine learning. Develop software packages and publish research results. Contribute to teaching activities and supervise student assistants.

Partner Success Manager for Germany will onboard and train new partners, build relationships, and support complex sales processes. The role requires a proven track record in Partner Success, Customer Success, Solution Engineering, or sales of complex software solutions. Fluency in German and either Dutch or English is required.

Senior SAP AVC Consultant needed for a greenfield S/4HANA implementation in a service-driven manufacturing environment. Lead and configure Advanced Variant Configuration (AVC) within the SD environment, translating business requirements into functional solutions. Strong experience with AVC implementations and SD environments required. German language skills are a plus.

Senior Network Solution Architect designs, develops, and supports complex enterprise network environments. Focus areas include network architecture, integration, consulting, and operational excellence. Requires expertise in Cisco-based environments, ACI, WLAN, WAN, and cloud/network infrastructure.

Global Procurement Manager responsible for subcategories within Finished Products portfolio. Develops and implements global sourcing strategies, manages international suppliers, and collaborates with cross-functional stakeholders.

Junior Legal Counsel sought for Group Corporate Legal team. Supports corporate and regulatory matters, including contract review, governance, M&A, and compliance. Requires 1-3 years experience in corporate law and financial regulation. Fluent in English and German.

As an IT Business Partner for the People & Culture/HR division, you will be responsible for the IT-related support and further development of our HR system landscape. You will translate HR requirements into technical concepts and ensure their implementation in our systems. You will maintain and further develop our existing HR IT landscape and ensure the stable operation and continuous optimization of HR systems.

Strategic Buyer (m/f/d) will define and execute procurement strategy, optimize costs and processes, and build relationships with international suppliers. Requires a bachelor's degree, 3-5 years of purchasing experience, strong negotiation skills, and proficiency in Excel.

The Max Planck Institute for Political and Social Science seeks a Postdoctoral Fellow to conduct research on the coexistence of violent orders and democracy. The project examines the relationship between political and economic institutions, political violence, and its consequences for political outcomes.

Oversees the organization, execution, and assessment of user training for internal staff and external clients on Biosensors Structural Heart products. Supports product implantation globally, focusing on training during center openings and certification processes.

Part-time student software developer with a focus on game development sought. Develop interactive tools, prototypes, and visualizations. Support digital platform and software development.

The HR Director Europe leads the regional HR function, reporting to the CFO. This hands-on role focuses on the German market while overseeing broader European operations. The successful candidate will have significant experience in a senior HR role within a German-headquartered or German-focused international business.

Monitor equipment performance, troubleshoot malfunctions, and provide technical support to production teams. Document problems, contribute to root cause analysis, and collaborate on equipment adjustments and process improvements.

Global Commodity Manager for indirect materials (PSA, MRO, fluids, gases) in a metal processing company. Develop and implement procurement strategies, manage suppliers, and contribute to cost reduction initiatives.

This full/part-time role at TUI BLUE Sylt, Germany, starting 01.03.2026, requires German fluency and certifications in Yoga, Functional Training, and Personal Training. You will lead group fitness sessions, plan activities, and engage with guests.

Solactive seeks a (Senior) Vice President to lead Market Data Management, defining strategy, advising leadership on risks and opportunities, and optimizing data spend. This role involves negotiating with exchanges and vendors, establishing governance frameworks, and ensuring compliance.

Maintain, support, and develop the SAP HCM system. Assist the HR department with system requirements and improvements. Analyze and resolve issues within the SAP HCM system. Perform SAP Basis activities including system integration, user management, and system monitoring.

The Chief of Staff owns the operational engine of Ignite Next's deep tech startup accelerator program. Responsibilities include program experience management, event planning, partner delivery, communications, recruiting, and finance operations.

Experienced Firewall Maintainer to join the second line ICT GRC team. Define, maintain, and enhance firewall governance controls in line with internal policies, DORA, and BaFin requirements. Conduct second line reviews of firewall configurations and network segmentation to ensure compliance and risk reduction. Challenge and assess the effectiveness of first line firewall controls, including rule review, change management, and logging or monitoring processes.

Online Tutor (m/f/d) needed for personalized, one-to-one online lessons across all subjects. No teaching experience required.