java English-speaking jobs in Mainz

Hardware Project Manager for the Power System and Cooling area. Design, development, and characterization of new system elements. Execution and evaluation of qualification tests.

Leads, manages, and decides on all global customs & export control topics, ensuring compliance with regulations and tax laws. Directs legal changes and emerging trends in global trade legislation. Operates import-export activities, tariff classifications, and AEO certification. Implements global customs procedures and coordinates corrective actions. Manages audits, trains, and maintains customs & export control knowledge across the organization.

Lead a team of Creation & Application experts, championing technical renewal in the German market. Translate technical expertise into commercial success stories, collaborating with Commercial and R&D colleagues to bring bold ideas to life.

Medical Science Liaison Manager for Rare Diseases (f/m/d) will identify and develop relationships with KOLs, engage in scientific exchange, and represent the company at medical events. Requires an advanced scientific degree, previous MSL experience, and expertise in Rare Diseases. Must be fluent in German and English.

Senior Mobile Product Designer will participate in presales activities, lead discovery and UX architecture, and create prototypes, user flows, and mockups using Figma. Must have advanced Figma skills, mobile-first expertise, and experience in user research and usability testing. Portfolio showcasing both polished work and raw materials is required.

Brand Management graduate role with responsibility for product and commercial innovations, marketing elements, and brand strategy. Develop marketing concepts and tactics based on consumer, shopper, and customer insights.

Internship/Master Thesis opportunity at ZEISS for students in computer science, robotics engineering, or electrical engineering. Develop computer vision methods for tracking deformable objects.

Experienced IT Security Consultant to run threat modeling workshops, advise on Secure-by-Design, analyze cloud and software architectures, and improve security processes.

Senior Product Manager for debt collections and garnishment systems. Leads product vision, roadmap, and system enhancements. Collaborates with IT, operations, risk, compliance, and legal. Translates strategic objectives into actionable plans and manages stakeholder expectations. Requires experience in a complex, regulated environment and strong understanding of collections, credit risk, or related banking processes. Fluent in German and English.

Junior Software Developer will work in a team to implement IT projects, optimize IT processes, and develop travel-specific IT systems. Responsibilities include analyzing the status quo, designing KPIs, implementing optimizations, and supporting personnel development measures. Requires a university degree in a relevant field and proficiency in at least one programming or scripting language. Strong analytical, problem-solving, and communication skills are essential.

Manage one or two SAP projects within a global program, overseeing timeline, budget, quality, and risk. Responsibilities include calculating project development and implementation risks, managing resources, building project plans, and mentoring team members.

Lead strategically important innovation projects with complex international interfaces. Oversee planning, budgeting, risk management, and stakeholder management throughout the project lifecycle. Guide cross-functional and cross-country core teams and lead portfolio reviews.

Develop and manage the global Information Security Management System (ISMS) and group-wide risk management. Define, implement, and monitor a global information security strategy, including policies and standards. Lead international initiatives to improve security and coordinate global incident response.

Senior Software Engineer to architect and develop Odoo backend systems for fleet maintenance and regulatory compliance. Responsibilities include building modules, designing data bridges, and partnering with compliance experts. Requires extensive Odoo and Python experience, a degree in a related field, and a security clearance.

Stifel seeks an entrepreneurial Investment Banking Director to lead M&A and capital markets mandates for the Global Technology Group in Munich. This senior role involves business development, deal strategy, client advisory, and team management during a period of European expansion.

The Operations Manager leads all operational aspects (Projects and Service) for a designated country, ensuring alignment across all business units in Europe. This role acts as a trusted advisor, develops strategic team direction, and drives improvements in processes and quality. The Operations Manager manages budgets, schedules, and project plans, oversees site walks and risk assessments, and coordinates procurement and material delivery. They also monitor project progress, resolve problems, and ensure projects are completed on time, to budget, and to a high standard.

Develops and implements end-to-end product integration strategies from contract signing to market launch. Leads cross-functional teams, manages external stakeholders, and ensures regulatory approvals, CMO onboarding, and production delivery within deadlines. Oversees market availability and commercial readiness, providing strategic updates and risk assessments to leadership.

NIO's Munich Design Team seeks a mid- to senior-level Pipeline Support Specialist. You will support CAS modellers and studio engineers, maintain and deploy custom software tools, and extend the Autodesk Flow based automotive design pipeline.

Senior Scientist to plan, implement, and document experimental work for development and validation of nucleic acid-based kits. Conduct research and functional supervision of technical staff. Promote development projects from idea to implementation and certification.

DevOps Engineer (SRE) with expertise in Azure environments, N8N, and .NET is needed for a financial client in Berlin. Must have experience with Azure Key Vault, PostgreSQL, and AgenticAI. Familiarity with TypeScript, Kubernetes (AKS), and N8N enterprise governance is desired.