java English-speaking jobs in Mainz

Develop, verify, and integrate mechatronics modules in a wafer tool. Optimize module qualification through measurement methods and conduct tests to ensure system functionality and reliability. Lead development partners for mechatronic components.

Head of Investor Relationships will foster and maintain relationships with existing investors, develop strategies to attract new investors, and manage communications and reporting.

Edit high-converting paid social ads for Meta & TikTok. Create variations for testing and turn UGC into performance-driven ads.

The Senior Manager Corporate Accounting & Tax International oversees global financial reporting, tax compliance, and regulatory compliance. This role ensures financial integrity, minimizes tax risk, and aligns accounting practices across international operations.

Global Commercial New Products Manager supports clinical research and innovation decision-making through commercial assessments. Leads the prelaunch preparation and development of early commercial strategies for new assets. Collaborates cross-functionally to ensure integrated commercial input. Requires 6+ years of experience in pharmaceutical/biotech marketing, new products, or business development.

As a Transformation Manager, you will lead strategic transformation initiatives, develop transformation roadmaps, and analyze business processes. You will report to the Head of Transformation and contribute to MB Energy's long-term sustainability.

Process Engineer responsible for analyzing, developing, and improving production processes. Duties include coaching on problem solving, creating standards to eliminate issues, and executing product tests. Requires a bachelor's or master's degree in a technical field and strong analytical and communication skills.

As the first Executive Assistant, you will support the management team, ensuring smooth communication and collaboration across the European business. You will coordinate meetings, track key topics, and facilitate communication between teams and stakeholders.

Manage customer and account service activities, ensuring on-time order processing and end-to-end fulfillment. Responsible for service revenue in assigned regions, including forecasting and KPIs. Provide technical support in pre-sales and ensure SLA compliance.

Support the planning, organization, and execution of international academic conferences and events. Coordinate with organizers, speakers, and participants, manage logistics, and handle participant registration.

Machine Learning Intern to develop ML models for fuel cells and electrolyzers. Focus on Reduced Order Modeling (ROM), control strategies, and predictive maintenance using time-series data.

Experienced Global Head of Business Development to lead and expand Introducing Broker (IB) relationships across international markets. Drive revenue growth, manage partnerships, and represent the organization at industry events.

Lead and structure the Internal Audit (IA) team for a new, independent agricultural company. Define and execute the IA charter, audit strategy, and risk-based audit plan. Oversee audits covering financial reporting, IT general controls, and MAR/disclosure controls.

Provides administrative support for the full employee lifecycle, including contracts, onboarding, offboarding, and payroll. Manages Personio, ensures compliance with labor law, and acts as a point of contact for employee inquiries.

Fulfillment & Operations Manager needed for a fast-growing e-commerce business specializing in sailing systems. Manage the full order lifecycle, optimize processes, and lead team development.

Research Associate (75% position) with opportunity to pursue a PhD in Innovation Leadership. Focus on international market expansion strategies, particularly in India and global markets.

Process Engineer will manage production at a contract manufacturing partner and support the build-up of MicroHarvest's first industrial plant. Responsibilities include process optimization, troubleshooting, and collaborating with internal and external teams. Requires a degree in a relevant field and 3+ years of experience in industrial production or plant engineering.

Drive commercial growth at Consultport by generating business from new clients and building a strong outbound sales pipeline. Master outbound sales techniques, engage with C-level executives, and uncover pain points to win new clients and projects.

Senior Legal Counsel needed to advise on data protection and AI regulations (GDPR, EU AI Act, HIPAA, NIS 2) and ensure compliance within a life sciences organization.

Leads the greenfield implementation of master data governance processes within the "ELEVATE" business transformation program. Leads a team of Enterprise Data Stewards and collaborates with global and local data stewards and owners. Designs, implements, and continuously improves master data governance processes, including data ownership, stewardship, lifecycle management, and role authorization. Ensures integration of governance principles into business processes and IT platforms, especially within the SAP S/4HANA environment. Oversees data quality assurance and promotes data literacy and governance awareness.