java English-speaking jobs in Mainz

Master's thesis analyzing cleanroom- and vacuum-compatible quick-connection systems for gas supply in semiconductor manufacturing.

As Trade & Customs Specialist, you will shape standards, manage customs authorizations, and oversee key compliance processes to ensure audit readiness. You will monitor bonded warehouse activities, fulfill AEO-C obligations, and act as a point of contact for customs authorities.

The Butler provides exceptional, personalized service to guests in luxury suites, acting as a liaison between guests and hotel departments. This role requires strong communication, organizational, and problem-solving skills, as well as a commitment to exceeding guest expectations.

A London-headquartered institutional private equity firm seeks a Head of Capital Formation / Partner to build and lead its investor relations and fundraising function. This role owns the entire capital formation strategy, from LP targeting and roadshow execution to final close.

Global MLM Leader / Brand Ambassador will build and drive a network of partners and investors, ensuring consistent volume growth and representing Assetara Limited in their region. Proven track record in Network Marketing, Affiliate Marketing, or High-Ticket Sales is required.

Intern will support the planning and execution of internal communication initiatives and engagement campaigns. Responsibilities include creating content, coordinating photography and video production, and supporting management presentations.

Drive sales of high-value capital equipment within the Enabling Technologies portfolio. Manage existing accounts and identify new business opportunities. Lead complex sales cycles, build business cases, and negotiate contracts.

Senior Analog Hardware Design Engineer will support the development and integration of electronic systems for the aviation industry. Responsibilities include analog and mixed-circuit design, testing, and ensuring compliance with aviation standards.

Support business process implementation and governance at Roche Diagnostics GmbH. Collaborate with stakeholders across various departments. Provide first-level support for business process and data management issues.

Pre-Development Project Manager leads due diligence, entitlements, permitting, and master planning for data center campus developments in Germany. Manages cross-functional teams, identifies risks, and presents to senior stakeholders. Requires 5+ years of commercial real estate development experience, strong permitting knowledge, and fluency in German.

Site Construction Quality Lead will implement, maintain, and supervise the Construction Quality Plan. Responsibilities include assuring compliance with Contract quality requirements, reviewing and approving Contractor procedures, and supervising Quality inspection personnel.

Provides safe and professional transportation for senior leadership, Shareholders' Committee, and VIP guests. Coordinates complex travel, logistics, and vehicle maintenance.

Provide technical support for the hinotori robotic surgery system in the operating room, ensuring safe and efficient use. Collaborate with internal and external stakeholders to troubleshoot issues and optimize workflows. Support hospitals with equipment, instrument availability, and training.

Senior Client Partner to lead client relationships across Europe, focusing on IT services for the Manufacturing industry. Requires experience in account management, deal pursuit, and client relationship management. Strong communication, negotiation, and problem-solving skills are essential.

Head of Process Engineering needed for a global pharmaceutical manufacturing business in Northern Germany. Provide technical leadership and expertise across manufacturing operations, including fermentation, lyophilisation, aseptic filling, utilities, and packaging. Lead root cause investigations, drive process optimization, and support equipment qualification and validation activities.

Solve large, complex real-world problems using ML, AI, NLP, RL, and distributed systems. Develop production-ready models and collaborate with tech and product teams.

Warehouse Worker (m/w/d) needed for a global e-commerce logistics specialist in Herrenberg. Tasks include unloading parcels, packing, and scanning. Experience as a warehouse worker is an advantage. English or Hindi language skills are required.

PhD position at the Scientific Computing Center (SCC) focusing on untangling multi-property NMR signals in drug screening using data-driven neural networks.

Imaging Informatics Developer/PACS Integration Specialist needed with strong programming skills (Python, C#, Java) and experience with DICOM, HL7, FHIR, and healthcare APIs. Familiarity with PACS/RIS/VNA systems, SQL/NoSQL databases, cloud platforms, and networking concepts required. Understanding of radiology workflows and IHE profiles is essential.

Financial Planning and Analysis Specialist supports the head of Group FP&A in delivering financial analyses to support Group strategy and growth. Responsibilities include forecasting, tracking business development, and conducting analyses of company performance. Requires a degree in Finance, Economics, Business Administration or equivalent and >5 years' experience in finance within an industrial business environment. Proficiency in MS Office, especially Excel and PowerPoint, is required.