java English-speaking jobs in Mainz

Senior Accountant for Global Transfer Pricing. Collaborate with accounting, tax, and finance teams to review and discuss inter-company transfer pricing topics. Ensure compliance with global TP policies and analyze financial information to ensure accurate application of transfer pricing models. Support the development and maintenance of TP models and prepare local and master files for compliance and audits.

Intern in Talent Management & Learning will support the identification and documentation of AI use cases in learning, leadership, and HR. Responsibilities include researching trends, contributing to meetings and workshops, and drafting learning materials.

Danaher seeks experienced HR professionals for a Talent Pool. We are looking for HR Business Partners and Generalists with a minimum of 3 years of experience as a Generalist or 5 years as an HRBP. Must have a university degree or vocational training in HR Administration & Management, strong knowledge of German Labor and Social Law, and fluency in German and English.

Lead the development and integration of cybersecurity engineering processes for automotive product development, ensuring alignment with industry standards and internal quality frameworks. Collaborate cross-functionally to embed cybersecurity into the product lifecycle, including ASPICE and ISO 26262 activities. Develop and deliver training materials, act as a mentor, and drive continuous improvement initiatives.

The documenta und Museum Fridericianum gGmbH seeks an organized and responsible Employee/Deputy Manager – Infrastructure to manage logistics, accommodation, vehicle fleet, and temporary infrastructure for the documenta exhibition.

Lead end-to-end hiring activity across the Netherlands and Belgium for a 6-month interim contract. Build talent pipelines, partner with senior leaders, and deliver a first-class candidate experience.

Leads EU/UK regulatory strategy for Sirio's food supplement products, ensuring compliance with regulations across gummies, softgels, powders, and innovative formats. Provides expert guidance to internal teams and customers, monitors regulatory changes, and represents Sirio in regulatory bodies and industry associations.

Executive Assistant to support a small team in a global real estate business. Responsibilities include diary management, travel arrangements, expense processing, and ad-hoc administrative support. Fluency in German and English is required.

Multimodal AI Creative Producer to generate ultra-luxury AI-generated images, short-form videos, and texts for premium digital brand environments. Requires professional-level prompt writing in a refined luxury style and demonstrable experience with AI tools.

Support the implementation of a new EPM tool (Onestream) across RTL Group entities. Assist in collecting, analyzing, and documenting business requirements. Contribute to the design, configuration, and testing of budgeting, planning, and reporting solutions.

Two-year international graduate program for ambitious engineers seeking early responsibility and global exposure. Rotations across international sites, contributing to real projects and developing technical and professional skills. Master's degree in Engineering required. Fluency in English and German, willingness to travel, and a valid European driving license are essential.

Manage Health, Safety, and Environmental protection (HSE) at a submarine cable production plant. Ensure compliance with legal requirements, ISO standards, and internal policies. Establish and implement safety programs to cultivate a positive safety culture. Lead incident investigations, conduct safety audits, and develop training programs. Analyze and report on HSE performance metrics.

Principal App Engineer (m/f/d) will lead app teams, drive technical discussions, and ensure robust solutions using Flutter for iOS and Android.

This internship supports the Growth Triathlon team in accelerating Allianz's growth by expanding the customer base and reducing customer churn. The intern will assist with project management, initiative coordination, and cross-functional collaboration.

The Karlsruhe Institute of Technology (KIT) seeks a candidate to establish and lead a Dark Matter research group. The position focuses on the direct search for Dark Matter and the development of ultra-sensitive experiment technologies. Collaboration with other institutes and the Helmholtz Association is expected.

Full-stack engineer to develop and maintain a vulnerability monitoring application. Responsibilities include designing backend APIs, building frontend interfaces, and collaborating with cross-functional teams. Requires experience with Ruby on Rails, Angular, TypeScript, and SQL.

The Marketing Senior Manager will lead and elevate the marketing function for the DACH region, driving strategic brand positioning and strengthening the company's presence. This role leads a team of 3-5 marketing professionals and acts as a key partner to sales and clinical teams. Responsibilities include defining brand positioning, developing sales materials, and driving market and competitive intelligence.

Lead and oversee complex AI and data-driven engagements, ensuring alignment with client needs and business goals. Manage and mentor a team of Engagement Managers, providing strategic direction and problem-solving.

Postdoctoral researcher to catalog and co-author edition of Hebrew and Aramaic sources from the Cambridge Codex. PhD in (Medieval) Jewish Studies or related field required. Excellent Hebrew knowledge and experience with medieval Hebrew sources essential.

Work from home iOS Developer to build innovative features for the N26 app. Collaborate with engineers, product teams, and stakeholders. Requires deep understanding of iOS platform, Swift, and Agile development. Excellent debugging, analytical, and communication skills are essential.