java English-speaking jobs in Mainz

Lead the end-to-end design process for CUJU's mobile-first product, including ideation, research, prototyping, and implementation. Collaborate with developers and stakeholders to ensure a high-quality user experience.

Provide technical support and on-site service for automation systems in semiconductor manufacturing. Troubleshoot hardware and software issues, perform installations and upgrades, and collaborate with customers and the factory.

As a Manager, you will lead teams, develop talent, and ensure commercial goals are met. You will work with the Store Manager to make decisions, set priorities, and drive store performance.

Create a memorable dining experience for guests by efficiently managing orders, providing menu recommendations, and ensuring a clean and inviting atmosphere. Prior experience in the catering industry is preferred, but a positive attitude and willingness to learn are essential.

Junior Product Manager – Insurance will support product development for a SaaS platform providing location-based risk insights. Responsibilities include researching insurance-relevant risk datasets, translating workflows into product requirements, and collaborating with teams to develop and implement new features.

Lead global operations transformation across a complex international manufacturing footprint. Define and deploy a global operating system, drive digitalization and sustainability initiatives, and optimize the manufacturing network.

Senior Jira Administrator to support and strengthen an existing Jira team. Design and implement workflows, administer Jira instances, analyze processes, and implement integrations.

Senior Quantity Surveyor for international Main Contractors. Manages projects, prepares budgets and estimates, generates progress reports, and handles final account preparation. Requires 8+ years of experience, proven track record with subcontractors and clients, and proficiency in Quantity Surveying software.

Senior Software Architect leads projects from technical estimation through implementation and deployment. Develops technical strategies, consults with clients, and utilizes modern tooling to build and deploy cloud applications. Requires 5+ years of experience in building digital products, including 2+ years in a leading architectural or technical consulting role.

Manage TRATON's relationship with credit rating agencies, leading rating dialogue and preparing capital structure analyses. Support financing activities in international debt capital markets.

Concept Artist to create visually striking character art for video game projects. Collaborate with art leads, 3D artists, and game designers. Must have 3+ years of experience and proficiency in industry-standard software.

Senior Construction Manager to oversee wind energy projects from tendering to commissioning. Manage civil and electrical scopes, lead contractors, and ensure compliance with timelines, costs, and safety standards.

Experienced IT Support Specialist needed for desktop, laptop, and peripheral support. Troubleshooting Windows, macOS, Microsoft 365, and business applications. Requires 3-4 years of experience, strong diagnostic skills, and fluency in German and English. Occasional onsite support within 20-30 km radius.

Deliver groceries to customers efficiently by e-scooter or e-bike. Maintain a high level of customer service and consistently meet delivery targets. Must be at least 18 years old with a valid driving license and work permit for Germany.

The Distribution Center Lead supervises daily warehouse operations, ensuring accuracy, safety, and efficiency. This hands-on role includes team leadership, workflow coordination, and participation in warehouse activities.

PhD Student will conduct research on medium-voltage circuit breakers for renewable energy integration, including literature reviews, experiments, simulations, and development of experimental circuits.

The Flash Regional Marketing Manager for EMEA will drive business growth by developing and expanding a partner network. This role requires market research, competitor analysis, and developing marketing materials to support regional promotions.

Senior Engineer responsible for designing stage separation mechanisms, fairing separation mechanisms, actuators, and umbilical systems for the Spectrum Launch Vehicle. Requires 8+ years of experience in full cycle design engineering, including CAD, analysis, assembly, and test.

SAP CO Functional Consultant needed for 6+ month remote project. Drive ERP transformation, ensure stable operations, and partner with global finance stakeholders. 10+ years ERP experience with strong SAP CO expertise required.

The Founder's Associate will manage the CEO's schedule, communications, and commitments, enabling the CEO to focus on high-impact problems. This role requires strong organizational skills, meticulous attention to detail, and the ability to execute effectively.