java English-speaking jobs in Mainz

Research Engineer to develop design and calculation methods for pressure vessels. Analyze materials, perform FEM calculations, and collaborate with teams to drive innovation in energy technology. Requires experience with pressure equipment, DIMy software, and relevant design standards.

Leads the German tax compliance function for direct and indirect taxes, including preparation, review, and submission of tax filings. Oversees tax payments, accounts, reconciliations, and reporting. Establishes and maintains a German tax control framework, manages audits, and handles tax controversy matters.

Executes Kelvion's EMEA Service HSE strategy across European service centers, field service activities, and projects. Translates HSE requirements into practical routines, minimum standards, and measurable performance outcomes. Develops, implements, and sustains Service Center Minimum Standards and aligns Field Service operations with common HSE baseline expectations. Provides hands-on field support for pre-job preparation, critical control verification, and corrective action follow-up. Ensures effective incident response, root cause analysis, and sustainable closure of corrective actions. Designs and delivers HSE training and conducts risk assessments for service operations and projects.

Lead and supervise daily sorting center operations, ensuring smooth execution of inbound, outbound, and dispatch processes. Monitor KPIs, implement corrective actions, and drive process improvements. Train, coach, and develop team members while collaborating with cross-functional departments.

Drive customer success across onboarding, adoption, retention, and growth for a fast-growing AI technology business. Own a portfolio of customers, build trusted relationships, and ensure they achieve value from the platform.

Morgan Latif seeks a Market Manager for a major FMCG organization in Europe. This role focuses on driving sales performance, customer relationships, and profitable growth in Germany. The ideal candidate has FMCG experience, a track record of managing complex retail negotiations, and a strong leadership presence.

Technical Project Manager to lead complex space technology program delivery. Requires 5+ years experience managing end-to-end programs, technical credibility, and proficiency in project management tools.

Product Release Manager to modernize release processes in an agile environment. Plan and implement stable software releases, drive automation, and own release plans.

Experienced Human Resources Business Manager to lead the HR agenda in Germany. Partner with People Leaders, execute global P&C strategy, and ensure compliance with German labor law.

Supports the implementation and maintenance of Business Continuity Management (BCM) and Operational Resilience across Allane Mobility Group. Assists in IT and Cyber Risk Management, including risk assessments, incident reporting, and monitoring. Conducts Business Impact Analyses (BIA) and develops and updates Business Continuity Plans (BCPs).

Manage and develop a portfolio of international partnerships for Lidl-Trek, ensuring contractual rights management and optimized delivery of partnership assets. Drive brand activation campaigns, conceptualize hospitality programs, and deliver performance tracking and reporting.

Principal Scientist in Human Genetics leads target and biomarker discovery using large-scale genomic and clinical data. Develops computational strategies to translate findings into therapeutic hypotheses. Collaborates with internal and external partners. Requires PhD in a relevant field and 5+ years post-PhD experience in industry. Proven expertise in statistical genetics, data integration, and human genomics is essential.

Product Owner for a fast-growing B2C HealthTech company in Frankfurt. Drive the product roadmap, prioritize features, and ensure seamless execution from concept to launch. Shape customer-facing digital products and integrate AI tools into workflows and user experiences.

Enterprise Account Executive will own the full sales cycle in Germany for AI-driven solutions, partnering with leading food distributors to transform their operations.

The Digital Customer Success Manager with German owns the success of a high-volume portfolio of SMB and Mid-Market customers through a data-driven engagement model. This role drives retention, product adoption, and expansion by leveraging automation, digital programs, and structured playbooks.

This Supply Chain & Operations Coordinator role manages end-to-end planning, procurement, distribution, and inventory for Travel Retail products. Responsibilities include demand planning, order fulfillment, supplier management, reporting, and ensuring compliance.

Finance & Controlling Lead for a global manufacturing network. Develops financial targets, owns monthly close and planning processes, and leads finance teams across legal entities. Drives cost control, investment governance, and M&A activities.

Senior Functional Business Analysts are needed to support Daily Banking initiatives covering payments, cards, and deposit products. The role involves end-to-end business analysis, process design, and supporting MVP deliveries across modern banking platforms.

Supports supply chain process development during M&A integrations and technology transfers. Coordinates cross-functional project teams, guides junior specialists, and collaborates with internal and external partners. Ensures end-to-end supply chain visibility and prepares reports for senior management.

The Research Officer will design and conduct qualitative and quantitative research projects on Roma communities, European policy, and social, economic, and cultural issues. The role involves data collection, analysis, synthesis, and drafting research outputs for various audiences.