java English-speaking jobs in Mainz

The Engineering Technician (f/m/d) plans, sets up, performs, and evaluates complex experiments. This role requires a completed vocational training or degree in a scientific field, extensive laboratory experience, and strong communication skills in German and English.

Coordinates and performs measurements of superconducting coils at the SUNDAE1 facility. Maintains and upgrades the facility, including defining technical specifications and coordinating with vendors. Prepares and updates risk assessments for safe operation.

Salesforce Developer to design, develop, and maintain Salesforce solutions, integrations, and web-related functionalities. Requires expertise in Apex, Visualforce, Lightning Experience, LWC, SOQL, SQL, and API technologies. Collaborate with stakeholders and technical teams to implement business requirements and optimize CRM performance.

Electrical Engineer (m/f/d) will further develop hardware, configure and test systems, and plan logistics for construction site deployment. Must understand communication systems, 4G/5G networks, and have strong written and spoken German and English skills.

Customer Service Advisor needed for Collecting Cars and Watch Collecting businesses. Provide excellent customer service across the EU and internationally, assisting with pre and post-auction inquiries. Fluency in French, Italian, and English required.

Technical Project Manager will coordinate technical projects, lead the IT operations team, and serve as the interface between executive management and technical teams.

The University of Lübeck's Institute of Computer Engineering seeks a W2 Professor for Trustworthy Circuits and Computing Systems. The successful candidate will have a PhD and a strong research record in areas such as trustworthy ICs, secure computing architectures, EDA tools for reliability and security, or machine learning across the hardware lifecycle.

Supports the Application Owner for the MACE Audit application. Develops, optimizes, and maintains the application, manages changes and releases, and ensures user-friendliness. Coordinates with stakeholders, manages budgets, and ensures compliance with IT security standards.

Design and implement FPGA solutions for test systems. Develop digital modules using VHDL, Verilog, and C/C++. Perform verification and execute physical design tasks.

Leads and manages the Human Resources function across Europe and Latin America, driving key initiatives including recruitment, training, organizational design, and performance management. Ensures HR strategies align with business objectives while maintaining compliance with local labor laws.

At the forefront of health technology for over 35 years, Munich-based Brainlab digitizes medical workflows, from diagnosis to therapy, to offer clinicians and patients better treatment possibilities. Our innovative digital ecosystem forms the basis for modern healthcare technology in 4000 hospitals in 120 countries.

The Senior Manager, Business Development – Clinical Solutions drives growth and market expansion of IDT's NGS Clinical Solutions across EMEA. This role develops strategic commercial plans, builds relationships with key stakeholders, and positions IDT as a preferred provider for clinical genomics workflows.

a&o Aachen Hbf seeks a registered student for a part-time, flexible role. Responsibilities include guest check-in/out, bar service, and assisting with breakfast, lunch, or dinner buffets. Must have B2 German and English skills.

Fashion-minded intern to join Berlin showroom during buying season. Support sales and distribution of designer labels across Europe. Responsibilities include order appointments, showroom presentations, client communication, and in-store sales.

Provides administrative support to executives, managing calendars, scheduling meetings, and handling correspondence. Organizes documents, coordinates meetings, and serves as a point of contact for stakeholders.

Working Student, Marketing TMTT will support the organization and execution of round tables and commercial sponsorship activities. Responsibilities include creating purchase requisitions, preparing presentations and reports, and contributing to event planning. The ideal candidate is currently enrolled as a student, possesses strong communication and organizational skills, and is proficient in Microsoft Office Suite.

Electrical Project Engineer will manage project details, design, and specifications. Responsibilities include collating technical submittals, collaborating with project team members, and monitoring subcontractor compliance.

Product Manager for PAT Advanced Process Control will develop business models, value propositions, and price positioning for a hardware, software, and professional service portfolio. This role requires deep understanding of customer workflows, market trends, and competitive landscape. The Product Manager will manage the product lifecycle, lead cross-functional teams, and influence product-related decisions.

Quality Management and Continuous Improvement Process (CIP) Engineer responsible for quality management, handling quality incidents, and implementing corrective actions. Requires a degree in Industrial Engineering, Mechanical Engineering, or a comparable field, and solid knowledge of quality management and CIP processes.

Experienced Residential End of Lease Cleaners needed for high-quality cleans of homes. Duties include thorough cleaning of kitchens, bathrooms, appliances, and all living areas. Must have at least 2 years of professional end of lease cleaning experience, own cleaning equipment and supplies, and reliable transportation.