java English-speaking jobs in Mainz

Creates engaging video and motion assets for paid social campaigns using AI-powered tools and traditional design techniques. Produces UGC-style ads, short-form videos, and motion graphics for various formats and placements.

Customer Data Steward (m/f/d) will develop and support new data processes, create data validation rules, and lead cleansing efforts. The role involves maintaining customer data, metadata, and governing data sharing while ensuring compliance with data quality, privacy, and legal standards.

The Site and HR Manager oversees site administration, facilities, employee relations, HR operations, and compliance across all locations. Responsibilities include managing office facilities, utilities, maintenance, and workspace readiness, as well as supporting workforce planning, recruitment, onboarding, and employee offboarding. The role also involves ensuring compliance with EHS, labor regulations, and internal company standards, coordinating workplace safety programs, and managing procurement and logistics.

Manage the local Business Field (BF) strategy and achieve commercial targets (P&L), including sales, costs, and EBIT. Lead and develop the local BF team, ensuring implementation of performance processes, IT tools, and quality management.

EIIET Berlin seeks a motivated administrative and sales assistant to support daily office operations, student inquiries, admissions, and sales activities.

Leads global accounting operations, ensuring accuracy, efficiency, and compliance with US GAAP. Drives ERP implementation, process optimization, and automation initiatives. Manages a team, fosters a culture of innovation, and collaborates with cross-functional teams.

Working Student (m/f/d) to support HR topics for Top Management in a global organization. Support implementation and development of HR strategy, organize meetings, and improve internal processes.

Develops and executes communications strategies for Nike in Germany, focusing on sport, athletes, style, and culture. Manages media and creator relationships to amplify Nike's narrative and build brand awareness. Collaborates with internal teams to ensure consistent messaging and drive employee engagement.

PLM Solution Designer / Module Owner responsible for analyzing business requirements and designing scalable solutions within Siemens Teamcenter. Requires experience with PLM systems, software development, and IT service management.

Warehouse associate responsible for receiving, storing, picking, packing, and shipping customer orders. Operates powered industrial trucks and adheres to safety and quality standards. Must be 18 years or older and proficient in German and/or English.

Defines and executes enterprise-wide Data & AI strategy, partnering with leadership to identify and prioritize AI use cases. Designs and prototypes AI/ML and GenAI solutions using frameworks such as PyTorch, TensorFlow, and LangChain. Drives end-to-end architecture for data ingestion, feature engineering, model deployment, and monitoring. Mentors data scientists and engineers in advanced modeling and prompt optimization. Evaluates and integrates AI platforms to accelerate innovation. Communicates complex AI strategies to senior leadership and stakeholders.

Administers cosmetic medical procedures to cruise ship guests. Must possess clinical knowledge to administer procedures safely and effectively. Explains procedures and products to guests. Works with the Medi-Spa Sales Consultant on sales, marketing, and promotion. Provides excellent customer service and promotes other spa services. Follows OneSpaWorld's medi-spa protocols and sanitation policies. Completes medical records for each guest.

Execute KJUS sales strategy across ski, golf, and lifestyle categories in Central and Southern Germany, focusing on wholesale and B2B channels. Drive sales growth, manage budgets, and strengthen brand presence.

Develop and maintain scalable Salesforce solutions using Apex, Lightning Web Components, SOQL/SOSL, APIs, and integrations. Provide expert guidance on Salesforce topics, ensuring adherence to coding standards and quality assurance.

Google Cloud Consulting Pursuit Leads connect customers with Google Cloud Services to achieve business goals. Leads understand customer needs, translate them into service strategies, and manage the entire services lifecycle. This role requires fluency in English and German.

Information Management Coordinator supports the development and operations of EUMETSAT satellite systems. Provides information management support to all EUMETSAT business areas and contributes to the evolution of the overall IM framework.

As a Sales Stylist, you will provide exceptional customer service, share product knowledge, and assist with store operations. You will help customers find their perfect fit and contribute to a welcoming shopping experience.

As Chief Operating Officer, you will own end-to-end company operations, translating strategy into execution and ensuring the organization scales. You will lead financial operations, establish governance frameworks, and drive cross-functional alignment.

This is a non-traditional CFO role for a high-growth technology company. The successful candidate will lead financial strategy, investor relations, capital raising, and strategic transactions. The CFO will serve as a strategic partner to the CEO and Board, shaping the company's future through growth, acquisitions, and partnerships.

The Head of Partners will define and execute Lieferando's end-to-end Partner Growth Strategy, driving sustainable business growth through strategic partnerships. This role will lead Joint Business Plans (JBPs), oversee partner marketing activation and visibility, and manage the Partner Growth budget. The Head of Partners will report to the Marketing Director and shape the partner growth agenda, influencing cross-functional priorities.