student English-speaking jobs in Mülheim

European Operations Administrator for Supply Chain & Distribution. Plans and coordinates B2C shipment volume, monitors carrier KPIs, handles claims, and collaborates with shipping companies and distribution centers. Requires commercial education, transport experience, German and English skills, and proficiency in MS Office.

Scientist will support analytical activities within an international pharmaceutical project. Responsibilities include method transfers, development, validation, and verification of analytical methods (HPLC, AAS, KF), analytical testing, and preparing protocols and reports.

As Business Controller for IT and R&D, you will partner with leadership teams, driving performance, enabling strategic decisions, and shaping the future of IT and R&D. You will own budgeting, forecasting, and long-term planning, prepare monthly closings and variance analysis, and develop recommendations to optimize business results. You will also support the development of IT and R&D strategy, assess business cases, and lead projects and initiatives.

Senior Java Backend Developer will design and build scalable backend systems and routing algorithms for a global delivery platform. Expertise in Java, Spring frameworks, Microservices, Kafka, and SQL/NoSQL databases is required.

Provides travel support to customers via chat, phone, and email. Handles complex itineraries, ticketing, reissues, cancellations, and PNR management. Requires fluency in German (C1) and English (B2), experience with GDS systems, and knowledge of travel industry regulations.

Software Sales Value Engineer to translate technical capabilities into business value and drive customer-focused sales outcomes. Collaborate with sales teams and clients to understand business objectives, challenges, and requirements. Develop value propositions, business cases, and ROI analyses to demonstrate the benefits of software solutions. Deliver persuasive software demonstrations and proofs of value.

The Project Manager plans, directs, and ensures successful project outcomes utilizing assigned teams, standards, and tools. The role involves collaborating with internal and external stakeholders, managing project budgets, and communicating project milestones and status updates.

As Technical Transaction Advisor, you will ensure renewable energy investments are based on robust technical foundations. You will bridge the gap between engineering, investment, and external advisors, translating complex technical topics into clear decision-making input.

Lead and empower a team of software engineers, driving technical excellence and delivery performance. Define and own the technical direction within your domain, ensuring alignment with architectural principles and business goals. Collaborate with Product and stakeholders to prioritize work and ensure high-quality, secure, and scalable software delivery.

Freelance Bookkeeper & Finance Coordinator needed to manage financial administration, optimize processes, and ensure accurate financial records. Experience in bookkeeping, finance administration, or accounting support required.

Freelance Lecturer to deliver six 2-hour workshops on foundational software engineering topics to CODE University of Applied Sciences students.

Sponge Compliance seeks experienced freelance Learning Experience Designers to upgrade compliance learning content. This involves reviewing, improving, and updating existing digital courses to ensure accuracy, learner-centered design, and alignment with company standards.

Leads technical product strategy for hardware and software, including charger UX/UI, charging stack ownership, and supplier management. Manages a team of hardware and software architects, driving product roadmap and performance KPIs. Requires experience in technical product management, supplier relationships, software architecture, and user experience.

Experienced Mud Men / Recycling System Operators needed for a long-term HDD project in Germany. Operate and maintain mud mixing and recycling systems, prepare drilling fluids, monitor fluid properties, and assist with site logistics.

Leads the Electrical, Instrumentation & Control (E,I&C) function across multiple complex industrial projects. Builds, develops, and directs the E,I&C team, ensuring technical excellence and delivery across the project lifecycle. Owns technical quality and delivery of all E,I&C outputs, ensuring compliance with relevant standards and internal design frameworks. Coordinates resources, manages timelines, risks, and priorities, and leads interfaces between disciplines. Develops discipline standards, specifications, and engineering procedures.

Experienced Practice Manager to support the growth of Oliver Wyman Europe's Consumer, Technology and Telecommunications practice. The role orchestrates practice staff and support functions, manages day-to-day affairs, and provides support to the Regional Practice Head.

Senior Project Engineer required for Building Automation projects. Fluent German required. Responsible for project design, delivery, and customer satisfaction. Manages sub-contractors, resources, and on-site commissioning. Ensures compliance with quality standards and safety procedures. Provides leadership and support to the project and maintenance engineering team.

BoP Procurement Manager needed for a leading renewable energy developer. Lead procurement strategy for Balance of Plant packages (up to €200m spend) including transformers, substations, and grid connections. Manage sourcing, tendering, negotiation, and contract award for BoP and BESS packages.

A newly funded cybersecurity startup seeks a Founder's Associate/Executive Assistant to support the CEO with finance, operations, travel, PR, and sales activities. The ideal candidate is energetic, smart, and able to thrive under pressure while managing multiple tasks effectively.

Lead, manage, and develop a team of mechanical engineers. Take ownership of engineering projects, ensuring timely delivery and adherence to KPIs. Drive development of special-purpose machinery and optimize engineering processes.