java English-speaking jobs in Mainz

Working Student in Global Learning & Development supports talent development initiatives. Responsibilities include designing programs, creating content, and analyzing learning data. Requires current student status and English fluency.

Experienced Registered Nurse needed for a Near Patient Nurse role supporting the TRICARE Overseas Program. Requires 3+ years of inpatient hospital experience, fluency in German and English, and a valid driver's license.

Product Specialist / Relationship Manager for Value Chain Finance – Structured Inventory Products. This role interfaces between commodity trading and transaction processing, managing contracts and serving as the main client contact for SIP solutions.

Join a 10-month Clinical Graduate Program to develop clinical, technical, and professional skills. Support patient-focused therapies by working with healthcare professionals in clinical environments. Requires a recent degree in a relevant field and strong English skills.

Head of Legal for Solvd Group. This senior role ensures legal alignment across the global organization. Responsibilities include legal advisory, corporate governance, and supporting transformation projects. Requires 10+ years of experience.

Design and develop high-end C++ components for medical desktop applications, focusing on performance, stability, and scalability. Architect, implement, and review complex multithreading and parallelization concepts. Analyze, refactor, and optimize existing codebases, identify bottlenecks, and raise product performance and quality.

Junior Professor (Tenure Track) of Experimental Solid-State Physics with a Focus on Spin Physics. Candidates must show initial scientific achievements and the ability to conduct independent, high-level research in experimental spin physics. English skills are required.

Legal Expert, German - AI Training. Develop workspaces, write prompts, and create grading rubrics based on German law. Evaluate AI model performance on professional legal tasks. Requires 5+ years of practice and fluency in German.

Postdoctoral Researcher for hard X-ray attosecond science. Develop attosecond science experiments using hard X-ray FEL radiation, participate in beam diagnostics, and analyze scientific results. PhD in physics or related science required.

Aircraft Mechanic 2 (UH60) performs military tactical aircraft maintenance, repairing and modifying structures. Requires FAA A&P or FCC Elements 1 & 3, and specific experience. Must obtain security clearance.

Senior Finance Analyst supporting LATAM operations. Responsibilities include optimizing local accounting, implementing financial controls, managing P&Ls, and owning budgeting/forecasting. Requires finance experience and fluency in English and Spanish/Portuguese.

Independent MD Finance mandate for European Tech Private Equity Holdings. Focus on financial oversight, tax, compliance, and corporate governance for German holding companies. Requires finance/tax expertise and German/English fluency.

Lead SAP EWM Functional Consultant to execute EWM rollouts based on global templates. Responsibilities include fit-gap analysis, configuration (Inbound/Outbound/Internal), data migration, cutover, and hypercare. Requires strong EWM implementation experience.

Skilled Bike Mechanic needed to maintain e-bikes, perform repairs, and manage parts for a European e-bike subscription company. Requires basic bicycle knowledge and a driving license. Fluent in English or German is preferred.

Sorting Associates load conveyor belts and stage deliveries. Duties include sorting parcels, lifting up to 15kg, and using scanners or forklifts. Must be 18+, proficient in German, English, or Arabic.

Sales Director Europe will own European revenue targets, closing enterprise customers for Veloq's grocery fulfillment software. This role involves leading sales, shaping pricing, and building the commercial team.

Seeking an energetic Science Teacher for IBDP/IBMYP Science and Biology. Teach grades 6-12, fostering inquiry through hands-on lab work. Develop curriculum, ensure safety, and support student growth in an inclusive environment.

Senior Payroll Analyst ensures accurate, compliant, end-to-end payroll across multiple countries. This role partners with HR and Finance to manage complex processes, drive improvements, and maintain strong controls. Requires 5+ years of multinational payroll experience and advanced German payroll knowledge.

Development Engineer for Connection Technology, focusing on Electrical, Optical, and Mechanical aspects. The role supports semiconductor manufacturing technology for smaller, more powerful, and energy-efficient microchips.

Deliver groceries to customers efficiently by e-bike or e-scooter. Meet and exceed delivery targets while providing exceptional customer service. Earn at least €13.90 per hour plus tips.