java English-speaking jobs in Mainz

Support leading (re)insurance companies in navigating complex transformation initiatives. Analyze business models, design solutions, and collaborate with clients and project teams.

Strategic Account Executive to drive new business within a major German reinsurer. Focus on building relationships, identifying opportunities, and delivering data and AI solutions. Proven track record of exceeding revenue targets in complex enterprise sales environments.

Senior Structural Analysis Engineer will perform stress analysis of rocket structures using hand calculations and FEM, identify failure scenarios, and collaborate with design engineers.

Senior/Staff Web Analyst to design and implement tracking strategies, architect automated data pipelines, and ensure data integrity across web and app platforms.

Lead the electrochemical strategy for a European energy storage company developing a non-lithium battery technology. Define the roadmap for redox chemistry, electrolytes, interfaces, and degradation modeling. Bridge deep science with real-world systems, ensuring innovation translates into manufacturable products.

Acquire and cultivate institutional clients, shaping growth strategy and leveraging your network to open new business opportunities. Manage mandate onboarding, client support, placement agents, and industry event representation. Contribute to the development and implementation of the SFI growth strategy.

Software Engineer will develop and optimize frameworks & SDKs for Smart TVs, HbbTV, CTV, and DVB devices. Responsibilities include writing tests and debugging solutions for a range of devices. Requires 3+ years of software engineering experience, mastery of VanillaJS, TypeScript, and Node.js, and experience with testing frameworks.

SAP Consultant for Logistics / Transportation Management. Implements and develops processes and applications within SAP S/4HANA. Designs template processes for the supply chain. Manages roll-out of transportation processes. Conducts trainings and provides documentation.

Develop and execute the global commercial strategy for the Railway Business Segment. Coordinate a global team of Business Development Managers, define value propositions, and manage key accounts.

The Product Manager - Reagents will lead the development and growth of reagent products, collaborating with cross-functional teams to create full workflow solutions for Leica customers. This role requires a minimum of 5 years of experience in product management for reagent products and a Bachelor's degree in life sciences or engineering.

Leads international finance team, overseeing budgeting, forecasting, cash flow, and financial reporting for global sites. Manages capital structure, debt and equity financing, and relationships with external stakeholders.

Field Technician will test new software releases, operate AUV platforms for testing and surveys, and monitor AUV performance. Requires understanding of robotic systems, ROS/C++, Python, software version control, underwater systems, and electronics.

Service technician for maritime automation and control systems. Commissioning, inspections, maintenance, technical support, and training. Requires technical training, experience in automation, and strong travel flexibility.

Deliver parcels using company vehicles, including electric vehicles. Sort and prepare shipments for delivery routes. Must have a valid Class B driver's license and be able to communicate in German.

Leads and manages teams of managers to achieve operational excellence in a fast-paced environment. Analyzes performance, implements process improvements, and drives safety and quality standards. Communicates effectively with leadership, stakeholders, and cross-functional teams.

The Manufacturing Engineer Central (m/f/d) will plan, support, and lead projects to develop, procure, and install machines/tooling for series production. Responsibilities include creating specifications, leading projects, managing suppliers, coordinating installations, and ensuring complete documentation. The role requires a degree in engineering, experience in automotive or high-volume production, project management skills, and proficiency in CAD and Microsoft Office.

Manage the MultiVacc sales process from lead to contract. Collaborate with sales teams, structure leads, and provide customer support.

Systems Engineer – Carrier / MSSP Location: Germany Join Fortinet, a cybersecurity pioneer with over two decades of excellence, as we continue to shape the future of cybersecurity and redefine the intersection of networking and security. At Fortinet, our mission is to safeguard people, devices, and data everywhere.

Research Associate (m/f/x) for advanced experimental and numerical study of bubble dynamics in pool scrubbing.

Master's thesis focusing on data-driven system identification for dynamic modeling of reversible Solid Oxide Cell (rSOC) systems.