java English-speaking jobs in Mainz

Medical Scientific Liaison for Rare Diseases will build relationships with KOLs, provide scientific exchange, and support clinical development. Requires advanced scientific degree, MSL experience, and expertise in Rare Diseases. Must be fluent in German and English.

Order Pickers/Warehouse Employees are needed for a logistics company. Duties include order picking with scanner software, checking incoming goods, and packaging. German or English knowledge is required.

Responsible for mechanical site supervision during wind turbine installation and completion. Ensures safe, high-quality, and on-schedule execution. Provides technical coordination and supervision of external contractors. Reviews turbine-related reports and documentation. Participates in project and site meetings.

Lead and develop a central team to manage serious incidents, complaints, and claims globally for the PS Division. Coordinate risk management, quality assurance, and legal defense related to product safety and certification.

MIG welder needed for assembly and car body welding (including out-of-position welding). Requires DB standards certification, experience with technical drawings, and proficiency in MIG welding (aluminum).

Hybrid role combining Customer Service and Logistics Coordination. Serve as a customer contact, manage orders in ERP, and coordinate shipments with carriers. Requires German and English fluency, and experience in customer service or logistics.

Lead an established Data Analytics team, developing analysts while remaining hands-on with SQL, Python, and AI tools. Shape analytics in an AI-native environment, building scalable data products and delivering actionable insights to senior stakeholders.

Senior Digital ASIC Design Engineer Synthesis role involves creating next-gen semiconductor testing technologies. Responsibilities include RTL coding, constraint generation, synthesis, and analyzing timing/power for complex mixed-signal ASICs.

Construction Manager for onshore wind projects. Take full responsibility for construction budget and schedule, leading all phases from planning to handover. Requires civil/industrial engineering degree and relevant construction management experience.

Postdoctoral Researcher to investigate ultrafine particles around Frankfurt airport. Focus includes running atmospheric chemistry transport models and developing geostatistical interpolation methods for concentration data. Requires a PhD and strong programming skills.

Doctoral position in Plant Ecology focusing on "Scale Matters." Tasks include refining gas exchange systems, quantifying reaction norms, and modeling scaling relationships. Requires a Master's degree and basic programming experience.

Transport Coordinator role involves organizing goods transport, processing orders, monitoring deliveries, and coordinating logistics providers. Requires commercial training, strong organization, and fluent German.

Mandatory Internship focusing on Characterization and Analysis of Inverter Logic Circuits (e-Drives). Gain hands-on experience developing test plans and analyzing technical requirements for new design concepts. Requires a Master's student in a relevant technical field.

TTI seeks a Head of Transportation & Foreign Trade EMEA for Power Tools. This role supports TTI's global operations across its recognized brand portfolio.

Support the Application Owner for the MACE Audit application. Drive development, optimization, and maintenance, managing roadmaps, changes, and testing. Coordinate stakeholders and ensure UI/UX and IT security compliance.

Analyst, Credit Ratings - Structured Finance role involves assisting with credit ratings for European structured finance transactions, RMBS, ABS, and SME-CLOs. Responsibilities include portfolio credit analysis and producing detailed committee memos.

Enterprise Account Executive to drive net-new sales and expansion within European financial institutions. Requires 8+ years in software sales, fluency in German and English, and experience selling to the C-suite.

Computational Chemistry Expert needed to design challenging problems in Electronic Structure using PySCF. Responsibilities include testing problems against AI models and collaborating with research teams. Requires graduate-level STEM training, Python proficiency, and Linux comfort.

Finance Assistant role involving travel expense management, accounting support, and financial data organization. Requires accounting/finance background, MS Excel proficiency, and fluency in German and English.

Manage the full commercial contract lifecycle, including negotiation and compliance, for a specialty pharmaceutical company. Requires 3+ years in contract management and familiarity with CRM/ERP systems.