java English-speaking jobs in Mainz

National Account Executive for UPS Healthcare. Build and maintain client relationships generating $2M-$30M in revenue. Drive growth by presenting solutions across Small Package, Freight Forwarding, and Cold Chain. Requires 2+ years of complex selling experience.

STEM Professional - AI Trainer role requires 5+ years as a scientist or engineer. Responsibilities include developing training materials, writing prompts, and evaluating AI model performance using real German STEM work. Must be fluent in German.

Postdoctoral Researcher for hard X-ray attosecond science. Develop attosecond science experiments using hard X-ray FEL radiation, participate in beam diagnostics, and analyze scientific results. PhD in physics or related science required.

SAP Inhouse Consultant SD & CPQ to shape the global sales application landscape. Analyze complex business requirements, optimize Quote-to-Cash processes, and drive innovation within SAP CPQ and SAP SD.

Join a 10-month Clinical Graduate Program to develop clinical, technical, and professional skills. Support patient-focused therapies by working with healthcare professionals in clinical environments. Requires a recent degree in a relevant field and strong English skills.

Commis de Cuisine prepares ingredients, cooks food according to standards, and operates kitchen equipment. Duties include food preparation, station setup, and maintaining kitchen cleanliness. Requires high school diploma or equivalent and at least one year of related experience.

Senior SRE/DevOps role focusing on infrastructure transformation. Key tasks include IaC development, CI/CD pipeline building, migrating Linux to Kubernetes, and implementing self-healing systems. Requires 5+ years experience and B2 German.

Junior Professorship in Technology and Regenerative Sustainability at Leuphana University of Lüneburg. This role supports research and education across technology, sustainability, and interdisciplinary fields.

Design, implement, and operate highly available datacenter network architectures. Automate network operations using Ansible, Terraform, and Python. Requires experience with complex network infrastructures and protocols like BGP, EVPN, and VXLAN.

Precision Mechanic develops and maintains scientific instrumentation by manufacturing precision mechanical components, specializing in turned parts. The role involves advising engineers, repairing instruments, and managing workshop operations.

Senior Medical Science Liaison in Northwest Germany covering gynaecological malignancies. This role involves scientific exchange, maintaining relationships with healthcare professionals, and supporting clinical trials. Advanced scientific degree required.

Seeking an energetic Science Teacher for IBDP/IBMYP Science and Biology. Teach grades 6-12, fostering inquiry through hands-on lab work. Develop curriculum, ensure safety, and support student growth in an inclusive environment.

Experienced Lawyer sought to join a law firm's Construction practice. Advising on complex real estate and infrastructure projects, including planning and development agreements. Requires construction law experience and excellent English skills.

Elanco seeks apprentices for the role of Fachlageristen (m/w/d). This position is available for those starting their career with the company.

Support software analysis and evaluation for sample documentation optimization. Research and compare solutions for dimensional reports and technical drawing recognition. Requires studies in engineering or related fields, strong research skills, and proficiency in German and English.

As a Chef de Rang Heimat, you ensure smooth service, clean tables, and a positive guest experience. You are passionate about food and drinks and enjoy working in a team.

Build and own the credit function in Germany for a fast-growing fintech. Design credit policy, manage underwriting, monitor portfolio performance, and ensure regulatory compliance in the German market.

Lead a multidisciplinary team to deliver a strategic, large-scale data center project. Responsibilities include managing scope, budget, risk, and stakeholder relations from initiation to handover. Requires a degree in a relevant engineering discipline and extensive project leadership experience.

Bodywork Mechanic/Automotive Painter responsible for approving repair orders, assessing vehicle damage, and creating estimates. Provides technical support and contributes to optimizing refurbishment processes. Requires automotive background and commercial training.

Lead and manage strategic, transformation, and M&A projects for the Pure Flow Processing division. Develop business cases, drive execution, and present recommendations to senior management. Requires relevant experience and strong analytical skills.