frontend developer English-speaking jobs in Mülheim

Leads, manages, and decides on all global customs & export control topics, ensuring compliance with regulations and tax laws. Directs legal changes and emerging trends in global trade legislation. Operates import-export activities, tariff classifications, and AEO certification. Implements global customs procedures and coordinates corrective actions.

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.

Supply Officer (m/w/d) manages material flow, coordinates with suppliers, and drives process improvement. Responsibilities include demand communication, order placement and tracking, delay analysis, and recovery planning. Collaborates with procurement, logistics, and production teams. Leads or participates in supply chain improvement projects.

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.

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.

The Senior Service Manager independently manages and develops the Service Management process, focusing on email frontend services and mobile device access. Responsibilities include optimizing service processes, leading a virtual team, and managing stakeholder communication.

Experienced SAP Test Manager with 12+ years in QA management, specializing in SAP ISU, FICO, S/4 HANA, and integrated supply chain solutions. Requires 8+ years of SAP testing experience across ERP S/4 HANA implementations, including manual test case, plan, and execution.

Office Manager to support operations in Berlin. Responsibilities include administrative support, communication, executive support, financial processes, and additional operational tasks. Requires a Bachelor's degree, 3+ years of experience, fluency in English and Greek, and strong organizational and communication skills.

Develop RFI and RFP packages for physical security systems based on security concepts and stakeholder requirements. Analyze vendor quotes and provide recommendations.

Leads teams and manages transaction engagements in Germany, Europe, and globally, advising on buy-side and sell-side transactions. Provides tax due diligence reports and transaction structuring advice. Manages the professional development of the team and networks with service lines and external partners.

Project Manager needed for multiple Telecoms/Data Centre projects in Germany. Will liaise with stakeholders, support project planning, and travel to various sites. Requires transferable electrical engineering qualifications and industry experience. Fluent English and German are essential.

Freelance lecturer to teach fundamental business intelligence, procurement, supply chain management, distribution logistics, and industrial goods marketing. Requires a university degree in a related field, practical work experience, and English language skills at C1 level.

SAP Consultant required to evaluate and challenge architecture proposals, ensure adherence to SAP Clean Core principles, and design master data processes. Experience with SAP MDM, MM, BP, RE-FX, S/4 HANA, BTP, and Fiori/UI5 is essential.

The Institute of Management Accounting and Control (IMC) seeks a Research Assistant/Doctoral Student to work on research questions related to digitalization, sustainability, performance management, and CFO roles in corporate transformation. The successful candidate will have a strong interest in these areas, superior analytical skills, and a very good master-level university degree.

The Senior Data Modeler defines and governs enterprise-grade data models, translating business concepts into scalable data structures. This role designs models for cloud-native platforms, ensures interoperability, and mentors data analysts. Responsibilities include leading data modeling workshops, enforcing standards, and collaborating with architects and engineers.

Provides front desk support, manages daily operations, coordinates meetings, and offers administrative assistance to various departments.

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.

Site Reliability Engineer to implement and improve Just-In-Time (JIT) access solutions. Collaborate with the Cloud Control team to integrate security policies into infrastructure provisioning. Automate authorization flows for regulatory compliance.

This internship provides hands-on experience in event management and visitor experience design at Allianz Technology's R&D Center Europe. Assist with planning, coordinating, and executing events, including workshops, tours, and stakeholder meetings. Support guest management, create event materials, and collaborate with stakeholders and vendors.

Conducts routine chemical tests on consumer products, including sample preparation, analysis, and result reporting. Requires a Bachelor's degree in chemistry or related field and 1-2 years of experience. Solid knowledge of instrumental analysis and quality management is necessary.