java English-speaking jobs in Wiesbaden

Freelance Community Manager needed for a fixed-term contract (approximately 2 months) to manage a gaming project. Responsibilities include reviewing community interactions, responding to player queries, creating content, and moderating discussions. Must have 1-2 years of community management experience, native Mandarin, excellent English, and passion for video games.

The Mechanistic Modeling Specialist supports customers in optimizing downstream processes using GoSilicoTM Chromatography Modeling Software. This role involves leading technical discussions, conducting independent modeling work, and delivering training courses.

The Nanotechnology Research Group seeks a PhD researcher to design, construct, and test experimental setups for localized deposition from a molecular flux. Responsibilities include exploring new deposition methods, assisting with project documentation, and publishing scientific results. A completed degree in a relevant field is required, along with experience in plasma processes, surface modification, or related areas. Excellent English skills are also necessary.

Tuning Technical Engineer will support the KYB Technical Center Team in Aschheim. Responsibilities include participation in tuning sessions, component preparation, shock absorber assembly/disassembly, testing, technical communication, and documentation support. Requires a technical degree, knowledge of hydraulic simulation and AutoCAD 2D, fluency in German and English, and automotive enthusiasm.

Senior Operations Research Scientist will design and implement optimization systems for a global food delivery marketplace. Responsibilities include developing robust optimization models, collaborating with Data Scientists, and validating models through simulations. Requires expertise in commercial and open-source solvers, Python programming, and software development best practices.

Global Project & Marketing Manager for a leading fragrance company. Manage fragrance projects from initiation to presentation, coordinate internal teams, and build client relationships. Requires 5+ years experience in a commercial or marketing role, strong presentation skills, and fluency in English. German fluency preferred.

The Product and Technology Strategy Manager shapes and maintains European product and technology roadmaps for onshore and offshore wind turbine portfolios. The role translates market intelligence, customer requirements, and regulatory developments into a coherent product strategy and technology roadmap. The Product and Technology Strategy Manager works closely with Commercial, Sales, Service, Engineering, and R&D leadership in Europe and China to ensure alignment between the European market view and the global Ming Yang platform direction.

The German Cancer Research Center (DKFZ) seeks a Scientific Solution Architect for the MEDAL project. This role involves designing and building the technical foundations of a platform for medical imaging AI benchmarking. Responsibilities include conceptualizing secure workflows for data submission, defining architectural concepts for the platform, and translating scientific and regulatory requirements into technical concepts.

Execute troubleshooting, maintenance, and repair tasks in accordance with DIN EN 13306 and DIN 31051. Assist with spare parts management, system optimization, and functional testing. Participate in modification work, commissioning, and recommissioning of facilities. Fabricate parts, manufacture test equipment, and support operational processes.

Materials Engineering Specialist needed to verify AI's identification of material properties, formulas, and usage suitability. Requires a Bachelor's Degree in Materials Engineering or Metallurgy, native-level proficiency in your primary language, and basic English.

This role supports the operation and maintenance of electrical, mechanical, and HVAC equipment within Amazon data centers. Responsibilities include monitoring and troubleshooting systems, assisting with equipment deployment, responding to maintenance requests, and performing site walkthroughs. The ideal candidate has technical training and experience in a related field, electrical qualifications, and several years of relevant work experience.

Leads Engineering Testing & Laboratory team for Device & Combination Product Development. Plans, coordinates, and executes Engineering Confidence- and Design Verification Testing for Parenteralia / Pharmaceutical Application Systems. Represents ETAG as single point of contact for assigned projects. Drives test method development and validation. Leads Non-conformity Investigations and provides documentation for regulatory submissions.

PhD position in Experimental Petrology to investigate the formation processes of magnetite layers in the Bushveld Complex. The successful candidate will conduct high-pressure and high-temperature experiments and analyze experimental run products using various techniques.

Student assistant to support media engagement activities, including news monitoring, research, and outreach. Assist with organizing communications materials, conducting research, and preparing background information. Must be a university student enrolled in a communications, journalism, or related field.

This role is a hands-on, business-facing HR leadership position supporting manufacturing scale-up, cross-border operations, and M&A activities across Europe. The HR Manager will partner with Europe leadership, ensuring alignment between global HR frameworks and local execution.

As a Test & Validation Technician, you will plan and execute tests on lithium-ion cells, modules, and battery systems. You will document test results and contribute to the continuous improvement of products. You will also support the operation and development of the battery laboratory infrastructure.

Identifies and evaluates market trends for IaaS and PaaS services. Creates managed services portfolio roadmaps and designs new global managed cloud services. Manages end-to-end service offers and supports sales and presales teams.

Global Lead Engineer provides technical support for design, documentation, testing, and commissioning of MV/LV systems, Protection & Control, Automation, Auxiliary Systems, eHouse, and mobile solutions. Supports local units in tender and project documentation, participates in meetings, and resolves technical issues. Collaborates with Supply Chain, factories, and local units to ensure successful project execution. Requires expertise in Data Center applications, particularly Hyperscale and Colocation environments, and experience with EPC engineering and switchgear processes.

Field Service Engineer needed to commission, maintain, and troubleshoot mobile battery systems in the DACH region. Responsibilities include on-site service, technical support, and collaboration with internal teams. Requires 3-5 years of relevant experience, electrical system knowledge, and fluency in German and English.

Excelya seeks a part-time Freelance Senior Medical Writer with experience in medical devices. Responsibilities include preparing PMCF, CER, CEP, and PMS documents, reviewing documents, and performing literature searches. Requires a Life Sciences degree and at least 4-5 years of medical writing experience. Fluent English is required, French and FDA submissions experience are a plus.