java English-speaking jobs in Mainz

Senior executive role combining general management of a domains-focused business with group-level product ownership across domains, DNS, and SSL. Leads 120 employees across product, sales, and marketing. Requires tech leadership and P&L experience.

Experienced Environmental Fate/Modelling Scientist needed for registration activities of plant protection products. Responsibilities include risk assessment, dossier preparation, and data evaluation. Scientific background in related fields is required.

Design and evolve architecture for large-scale distributed systems using AI foundational platforms like LangChain. Define agent interfaces, RAG strategies, and select optimal technology stacks. Requires 8-10 years in distributed systems.

Security Expert for AI Security at ZEISS Semiconductor Manufacturing Technology. ZEISS enables the production of smaller, more powerful, and more energy-efficient microchips.

Experienced Project Manager needed for freelance Oil & Gas CAPEX projects. Oversee small to medium brownfield projects from initiation to commissioning. Requires 10+ years PM experience and 6+ years in oil and gas.

W3 Professorship in Experimental Sports Medicine requires a medical degree, Ph.D., and research experience in sports and health. Focus includes interdisciplinary basic research with translational potential and securing third-party funding.

Head of Formulation Development & CMC Strategy leads formulation and process development for advanced biologics, including ADCs. This senior role drives CMC strategy, manages global development programs, and leads technical teams.

Product Line Manager responsible for strategic and operational success across the product lifecycle. Drive product development, manage milestones and costs, and ensure timely delivery of prototypes and production-ready solutions. Lead requirements specification, product line continuity, and manufacturability initiatives.

Coordinate and optimize the end-to-end order processing and fulfillment process, including transport planning. Ensure seamless communication among customers, logistics partners, and internal stakeholders.

Senior Reporting Specialist to implement individual customer reporting requirements. Oversee client-specific reporting projects, analyze needs, and develop tailored solutions. Requires experience in investment management or fund administration, strong stakeholder management, and proficiency in German and English.

Intern Social Media supports daily content across Instagram, TikTok, and YouTube. Tasks include community engagement, content planning, trend analysis, and leveraging AI tools. Passion for social media and English writing skills are required.

Legal Administrator role supporting international clients with legal, administrative, tax, and financial tasks. Requires 2+ years' experience, knowledge of German corporate law, and fluency in German and English.

Brand Manager Dairy DACH leads the development and strategy for a new brand platform for Volvic, Activia, and others. Requires 3+ years in consumer goods brand management, strong analytical skills, and fluency in German and English.

Lead the direct marketing sales team and strategy for a leading European energy trader expanding in German and international markets. Responsible for building and executing a 3-5 year strategy, leading negotiations, and identifying new market segments. Proven success in upstream direct sales in the German energy market and strong leadership skills are required.

Support Account Officers in Japanese corporate banking by managing administration, assisting with credit and non-credit business, and handling client transactions. Requires business-level German and English.

Experienced Associate Director / Director, Global Regulatory Affairs needed to develop and execute global regulatory strategies for development-stage and marketed products. Strong European Regulatory Affairs experience, including EMA exposure, required.

Sales Executive responsible for prospecting and cultivating relationships to grow fractional ownership in the German market. Requires 2-4 years' experience, fluency in German and English, and a business background.

Project Manager to deliver client-facing AI projects for a Berlin-based tech scale-up. 2-4 years' experience in consulting, tech consulting, or project management required. Strong communication, stakeholder management, and analytical skills needed. Fluent German and English essential.

Head of New Technology Formulation leads design/process development across modalities, focusing on ADCs. Responsibilities include regulatory submission support, technology transfer, and driving FTRL strategy. Requires a Ph.D. or Master's with extensive formulation/CMC experience.

Scientific Education Manager for Dental Solutions EMEA will develop and deliver educational programs, build relationships with Key Opinion Leaders, and provide clinical support on digital orthodontic and restorative products. Requires a dentist degree, fluency in French and English, and experience in curriculum design and Key Opinion Leader strategy.