java English-speaking jobs in Mainz
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Fullstack Software Engineer with a Focus on Node.js (m/f/d)
- Axel Springer
- Berlin
- April 15
Finance Project Manager (m/f/d)
- Selby Jennings
- Frankfurt
- April 15
Master thesis (m/f/d): Techno-economic analysis of sustainable aviation fuel
- Deutsches Zentrum für Luft- und Raumfahrt (DLR)
- Stuttgart
- April 15
The DLR Institute of Technical Thermodynamics seeks a Master's student to analyze the techno-economic potential of Sustainable Aviation Fuels (SAF) production within Power-to-X (PtX) concepts. The student will simulate and optimize SAF synthesis, extend an existing techno-economic methodology, and conduct sensitivity analyses to identify factors influencing process profitability and sustainability.
Client Services Associate
- Atheneum
- Berlin
- April 15
Connect clients with experts as a Client Services Associate. Responsibilities include understanding client needs, sourcing and onboarding experts, and ensuring exceptional client experiences. Fluency in English and at least one of the following languages is required: German, French, or Italian.
Data Center Simulation Specialist (m/f/d)
- Danfoss
- Hamburg
- April 15
Develop and run system simulations for data center cooling solutions. Translate simulation insights into design improvements and drive model-based development. Collaborate across teams to connect simulation specialists with data center experts.
Venture Partner (m/f/d)
- Buena
- Berlin
- April 15
We're recruiting a final senior operator for our five-person core ops team who gets their hands dirty, builds processes, and enables us to scale. We are looking for someone with the grit to build a €100M vertical from scratch. Aufgaben Your First Week at Buena Monday morning. "Here's your laptop. I've assigned you a Linear project, everything you need to get started.
Engineer for Mechanical Ground Support Equipment (m/f/d)
- OHB
- Bremen
- April 15
Consumer Lending Product & Pricing Manager - Retail Banking (f/m/x)
- ING Deutschland
- Wiesbaden
- April 15
The Consumer Lending Product & Pricing Manager will manage the strategic direction of lending products, optimizing volumes and margins. This role requires a deep understanding of the German consumer lending market and experience in product and pricing management.
Senior Project Manager
- Vertical Recruitment
- Frankfurt am Main
- April 15
Senior Project Manager to lead complex construction projects in the venue, theatre, and leisure sectors. Experience with FIDIC and/or VOB contract frameworks and fluency in German required.
AI Specialist - End-to-End Content Management (Azure AI)
- Conexus
- Germany
- April 15
AI Specialist to design, build, and deploy AI-powered solutions for content creation and management across multiple channels using Microsoft Azure AI services.Environment, Health and Safety Manager
- Cainiao Technology
- Frankfurt am Main
- April 15
Leads emergency governance initiatives, designs risk response mechanisms, and manages high-risk operations. Manages training programs and collaborates cross-functionally to enhance compliance and risk resilience. Requires 3-5 years of experience in risk control, supply chain management, or related fields. Fluent in Chinese and English.
Operations Coordinator (m/f/d) - Dry Bulk
- COSCO SHIPPING Europe
- Hamburg
- April 15
Operations Coordinator to support daily management of global dry bulk vessel operations (Handysize to Capesize). Manage post-fixture operations, voyage planning, and bunkering. Support chartering and general office tasks. Degree in maritime studies, shipping, logistics, or related field required. Fluent English, German a plus.
Threat Intelligence Specialist (f/m/d)
- Deutsche Börse Group
- Eschborn
- April 15
The Threat Intelligence Specialist safeguards Deutsche Börse Group's global operations against cyber threats. This role collects, analyzes, and delivers actionable intelligence to guide business decisions and reduce risk. The expert collaborates with Security Operations, Incident Response, Data Protection, and Risk Management teams.Cook-Apprentice (m/f/d)
- Marriott
- Essen
- April 15
This apprenticeship offers training in international cuisine, including restaurant and event space preparation. Successful candidates will alternate between on-the-job training and vocational school. Applicants should have a vocational diploma and experience in the restaurant or hotel industry.
Medical Science Liaison
- Park Street People
- Munich
- April 15
Medical Science Liaison with Haematology experience needed for a global pharmaceutical company. Develop relationships with healthcare professionals and internal/external stakeholders. Provide clinical and scientific expertise in AML and support medical strategies.
HR Business Partner (d/m/w)
- Tintschl Unternehmensgruppe
- Hamburg
- April 15
HR Business Partner will support a specific organizational unit, advising managers on labor law, implementing HR processes, and supporting business needs.
Warehouse Clerk (m/f/d) in Estorf – Forklift License? We'll cover the cost!
- ZAG Menschen & Perspektiven
- Nienburg
- April 15
Warehouse Clerk (m/f/d) needed in Estorf. Assist with goods receipt, inspection, storage, order picking, packing, inventory checks, and operating warehouse equipment. Forklift training provided.
Junior Computational Scientist - Translational Microbiome Research (f/m/d)
- mbiomics GmbH
- Munich
- April 15
Junior Computational Scientist to analyze microbiome data from clinical trials and support product development. Develop bioinformatics pipelines and contribute to novel analytical approaches. Collaborate with cross-functional teams and communicate results to technical and non-technical stakeholders.
Nurse / Gesundheits- und Krankenpfleger / Krankenschwester (m/w/d) in Vollzeit
- International SOS
- Germany
- April 15
International SOS seeks a Registered General Nurse to provide in-person patient support and coordinate medical updates for U.S. military beneficiaries in European hospitals.
Senior Analyst - Forward Curve Modelling & Governance (f/m/d)
- E.ON Energy Markets GmbH
- Essen
- April 15



























