java English-speaking jobs in Mainz

Lead the DTC team, driving sales growth and strategic expansion. Manage influencer marketing, paid social, SEO, SEA, and display campaigns. Optimize Shopify+ store performance and customer journey.

Senior Analyst, International Tax will oversee tax compliance across Spain, France, and Italy, including CIT, VAT, WHT, and international reporting. The role provides tax advice on restructurings, new products, financing, and transfer pricing.

Lead Interior CAS Modeller to develop high-quality digital interior models. Collaborate with designers, engineers, and project leadership to ensure design intent is accurately translated into production-feasible digital surfaces. Guide the CAS modelling team throughout the design development process.

Manages logistics-related internal and external projects, including planning, resource coordination, and progress tracking. Develops SOPs, operational mechanisms, and collaboration frameworks to improve team efficiency. Organizes and leads departmental and cross-functional meetings, ensuring task follow-up and information transparency.

Lead and execute qualification and validation activities for equipment, utilities, facilities, computer systems, and processes within the life sciences industry. Ensure compliance with GxP standards and global regulatory requirements. Manage projects, prepare documentation, and build client relationships.

Provides instructor-led training, develops and updates training materials, and supports the implementation of TE deployment plans. Requires knowledge of TE applications, AIX Analytics, and field operations.

Production Manager to lead high-performing production operations, ensuring efficient, safe, and high-quality output. Drive production performance, lead and develop teams, and implement lean practices. Proven experience in a Production Manager role within FMCG or manufacturing required.

Provides procurement support to Operations Directors, Project Managers, and other professionals. Manages project, small works, service, and LSP procurement activities. Executes day-to-day procurement activities for materials, equipment, and subcontracted services.

Credit Research Specialist to conduct financial modeling, valuation, and credit risk analysis across sectors. Prepare research reports, market commentary, and present ideas to investors.

Serves as medical lead for clinical trials and development programs, guiding clinical development strategy and ensuring scientific integrity. Collaborates with clinical research teams and provides medical input for various trial documents.

Saarland University seeks a W2 Professor (W3 tenure track) in Quantum+AI: Artificial Intelligence in Quantum Physics and Technology. The successful candidate will have a strong research record in quantum AI and experience securing external funding. Responsibilities include teaching theoretical physics and contributing to research and teaching programs in Quantum Engineering, Data Science and Artificial Intelligence.

Senior Project Manager to lead technical customer projects involving HMI and electronic systems. Requires MSc or BSc in Electrical Engineering, Electronics, or Software Engineering, plus project management experience.

Private Equity Associate to support the full investment cycle for infrastructure assets across Europe and OECD markets. 3-5 years of experience in private markets, investment banking, or consulting with a focus on infrastructure. Strong financial modeling skills and experience in due diligence and transaction execution.

Test bed technicians carry out tests on internal combustion engines and after-treatment systems in test cells. Duties include test object installations, assembly work, and problem-solving related to test bed properties.

Senior Design Manager to lead design processes for large-scale industrial and data center projects. Coordinate multidisciplinary teams, ensure design quality and compliance, and drive efficient project delivery.

Experienced Solution Architect to lead the architecture and rollout of enterprise-grade Digital Twin solutions. Design scalable architectures integrating physical assets, data streams, simulation models, and enterprise systems.

Wave Optics Design Expert sought for research and development of HOEs and metasurfaces for optical displays and automotive LiDAR. Requires PhD in Optics and experience designing HOE or metasurface devices. Proficiency in optical design/simulation tools is essential.

Leads and operates a new monoclonal antibody manufacturing unit, encompassing clinical and future commercial GMP production. Builds and manages a team of up to 50 employees, ensuring compliance with GMP, EHS, and quality standards. Drives operational readiness and smooth transition from project to routine manufacturing. Requires a university degree in a natural science discipline, several years of GMP biopharmaceutical manufacturing experience, and proven leadership skills.

Freelance WordPress Web Developer needed to build a new one-page website. Must have strong frontend skills, experience with WordPress themes and plugins, and knowledge of HTML5, CSS3, and JavaScript.

Research Associate (75% position) with opportunity to pursue a PhD in Innovation Leadership. Focus on international market expansion strategies, particularly in India and global markets.