java English-speaking jobs in Mainz

Support the Marketing & E-Commerce team as a Working Student, focusing on Social Media, Influencer Marketing, and Customer Experience. Responsibilities include trend research, influencer outreach, and customer feedback analysis.

Data & AI Consultant supporting a specialist consultancy. Analyze requirements and design tailored data solutions across cloud engineering, data science, and generative AI. Requires a CS degree, 2+ years experience, and skills in SQL, Python, Spark, and modern data tools.

Drive HR strategy and governance for a fast-paced business, managing metrics like retention and engagement. Partner with internal/external stakeholders on C&B, Staffing, and HRSS while leading change initiatives.

Embedded Software Engineer roles for an autonomous driving business building the AUTOSAR platform. Responsibilities include developing AUTOSAR modules, diagnostics, and debugging. Requires 4+ years in automotive embedded software with strong C skills.

Seeking full-time Captain Challenger 604 to operate worldwide ambulance and VIP flights. Requires valid EASA ATPL with Challenger 604 Type Rating as PIC, EASA Class 1 medical, and willingness to fly globally.

Project Engineering Manager for a growing renewable energy platform. Responsibilities include technical due diligence, reviewing engineering concepts, defining scopes for EPC contractors, and managing technical QA/QC throughout the project lifecycle. Requires 3-8 years in renewable energy.

Optical Metrology Research Engineer needed to advance precision measurement technology. Responsibilities include researching, designing, and validating optical systems from concept to prototype. Requires a PhD and 3+ years of R&D experience in optical engineering.

Develop software for control and automation of test systems and refine electronic hardware. Tasks include designing automated production and functional tests. Requires electrical engineering degree and C++ or Python knowledge.

Lead the development of a professional, scalable Group-wide HR function for an international group. Shape people strategy, organizational structures, and HR processes while supporting growth and acquisitions.

Experienced Data Scientist needed for long-term contracts. Develop practical ML solutions using Python and SQL. Requires 4-10 years experience, strong technical skills, and fluent German.

Lead cost management and design end-to-end cross-border logistics solutions across Europe. Manage standard logistics costs and implement customized solutions for non-standard shipments like dangerous goods and break-bulk cargo.

Manage daily warehouse operations including receiving, picking, packing, and shipping. Ensure inventory accuracy using WMS, coordinate logistics, and drive service excellence. Requires 3 years of logistics experience.

Organization & Talent Development Specialist (Europe) requires expertise in building scalable OTD frameworks, talent management, and leadership development across European markets. Must be fluent in Mandarin and English.

Experienced Project Manager needed for intelligent logistics solutions. Oversee administrative, technical, and financial aspects of medium projects (400k-2M) in Construction/Material Handling. Lead multidisciplinary teams and manage stakeholder relationships.

Service Technician supports user operation of the European X-ray laser. Responsibilities include running diagnostics, monitoring parameters, and assisting with experimental setup assembly and dismantling. Requires state-certified technician experience with complex machines.

Experienced Product Owner needed to manage product and box-build projects in the Rail/Rolling Stock industry. Requires Agile backlog management, technical coordination, and knowledge of railway electronics and industrial networking.

Senior Credit Analyst specializing in International Diversified Lending and Infrastructure. Oversee risk management for complex, large-volume financing transactions. Requires 5+ years in corporate lending and C1+ English proficiency.

CFO to shape growth by developing margin-based growth management and ensuring KPI transparency. Responsibilities include expanding debt financing, optimizing capital, and partnering with the CEO to increase equity value.

Experienced, German-speaking Nanny-Educator needed in Berlin to support a primary school-aged child. Responsibilities include planning educational activities, assisting with homework, and organizing engaging leisure time. Requires pedagogical knowledge and a structured approach.

Experienced Talent Acquisition Specialist to own the end-to-end recruitment process for various roles. Requires 3-4 years in Talent Acquisition, strong sourcing skills, and fluency in German and English.