java English-speaking jobs in Mainz

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.

Experienced Electrical Commissioning Manager needed for a major Data Centre project. Responsibilities include managing electrical commissioning from planning to handover, coordinating teams, and resolving technical issues. UK or EU passport required.

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.

Revolut seeks an Escalations Officer to ensure compliant suspicious activity reporting across Europe. The role involves assessing and deciding on escalated reports, responding to regulatory inquiries, and collaborating on training initiatives. Experience as a compliance/FinCrime officer, deep knowledge of AML and sanctions regulations, and fluency in English and German are required.

Senior Camera Optical Design Engineer develops advanced imaging optical systems, from concept to product. Responsibilities include optical analysis, prototyping, and solving complex design challenges using ray-tracing software. A PhD in optics is required.

Seeking an Electronic Security Systems Commissioning Engineer with 7+ years of experience. Responsibilities include commissioning, troubleshooting, and optimizing C-CURE and Lenel enterprise security systems.

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.

Internship supporting data and AI-driven projects for Private Equity investors. Responsibilities include AI/data analysis, due diligence, and translating technical insights. Requires relevant Master's studies and proficiency in Python/SQL.

Molding Technology Engineer to support new project development and provide technical support for existing projects. Responsibilities include on-site molding trials, defect troubleshooting, and offering recommendations on design, mold, and materials. Requires 3+ years in injection molding.

Business Development Director to drive growth in Germany and Austria for private and public credit. This role manages institutional client relationships, focusing on originating and closing new business within private markets. Requires experience in sales and a network across German investors.

This role blends product management and execution, turning complex technology and customer needs into clear plans. You will drive cross-functional execution on strategic projects and internal initiatives, evolving toward deeper product ownership.

Junior Interior Designer to shape the future of a global mobility brand. Contribute to 2D/3D design concepts for NIO Interiors, leveraging AI and design trends. Requires proficiency in CAD and Adobe Suite.

Founding Product Manager to own end-to-end product lifecycle for AI forecasting in industrial procurement. Bridge technical AI with customer usability, owning roadmap, delivery, and go-to-market. Requires B2B SaaS/AI experience.

Energy Associate advises domestic and international clients on complex German and European energy regulatory and public law matters. Focus areas include renewable energy, infrastructure projects, and energy M&A. Requires 1–5 years' PQE.

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.

Lead a start-up in bioanalytical animal test-free chemical testing as a late co-founder. Define strategy, grow teams, and drive financial performance. Requires Life Sciences/Chemistry PhD/MSc and scaling business experience in Agriscience, Pharma, or CRO. Fluent in German and English.

EHS Advisor needed for a large data center build. Requires 5 years of experience in data center EHS, strong knowledge of H&S principles, and auditing skills. Must be certified fluent in German and have the right to work in Germany without sponsorship.

Dynamics NAV/BC Consultant needed for ERP transformation projects. Minimum 1+ year experience with Dynamics NAV or D365 Business Central required. Strong ERP process knowledge and client-facing experience essential. Fluent German and English required. Hybrid work model based in Düsseldorf.

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.

Actuary role focusing on reserving under local GAAP, IFRS, and Solvency II. Responsibilities include actuarial advice, supporting Risk Management, and guidance on reinsurance. Requires a degree in a quantitative field and relevant experience.