java English-speaking jobs in Mainz

Import Administrator for the European market, handling sea- and airfreight imports, customs clearance, and import documentation. Requires commercial education, import experience, and proficiency in German and English.

Lead Consultant for the Analytics & Advisory Team, delivering data-driven insights and strategic recommendations for clients in the sports industry. End-to-end project responsibility, including structuring client challenges, developing recommendations, leading teams, and presenting to senior stakeholders.

Senior Construction Project Manager to lead complex projects across offices, laboratories, and clean room environments. Full project ownership from planning through execution and handover, ensuring on-time, on-budget delivery and regulatory compliance. Strong leadership, stakeholder management, and data-driven decision-making skills required.

Lead and contribute to R&D projects for DTR Liquid-filled transformers, specializing in insulation systems and dielectric design. Define dielectric design rules, insulation coordination, and validation methods. Prepare transformer designs, models, and documentation.

As a Managing Partner in Gartner Consulting DACH, you will advise senior leaders on technology strategies to drive business outcomes. You will lead consulting engagements, expand client portfolios, and develop high-performing teams. Proven consulting experience, technology problem-solving skills, and executive-level relationship building are required. Native German fluency is essential.

Service Technician for Wind Turbines performs on-site servicing and maintenance, repairs turbines, analyzes error messages, and documents work digitally. Requires vocational training in a technical field, familiarity with Microsoft and iOS, comfort working at heights, and a valid Class B driver's license.

This PhD position at Bosch Research focuses on developing efficient and scalable reinforcement learning methods for Physical AI. The successful candidate will explore new approaches to autonomous decision-making, combining techniques like imitation learning, reinforcement learning, and world models.

The Executive Director/Vice President, Global Program Head Oncology leads the end-to-end lifecycle of complex global development programs. Responsible for program strategy, execution, and financial risk profile, the GPH presents to the Portfolio Governance Committee and Investment Board. The role requires an advanced degree in a relevant scientific discipline and at least 10 years of drug development experience, including a track record of guiding global program teams.

This thesis at the Fraunhofer Institute for Laser Technology investigates real-time spectroscopic monitoring of microvias for AI chip manufacturing. The project aims to develop a system that uses spectral analysis of laser-induced plasma to detect copper exposure and prevent damage during microvia drilling.

Internal Medicine experts design clinical scenarios, evaluate AI-generated responses, and provide feedback to improve model performance. Must be board certified or board eligible with an active medical license.

Solve large, complex real-world problems using ML, AI, NLP, RL, and distributed systems. Develop production-ready models and collaborate with tech and product teams.

Lead and scale a high-performing engineering team for a fast-growing Enterprise SaaS company. Own technical strategy, architecture, and delivery roadmap. Drive product development while maintaining technical quality.

The Senior Director of Product Management will define and execute the vision and strategy for key AI Data Engine capabilities, including GenAI/RAG pipelines, agentic AI data flows, and AI infrastructure for model training and inference. This role will lead a team of product managers and work closely with engineering, design, marketing, sales, and ecosystem partners.

Electrical Engineer to oversee site electrical infrastructure and power distribution systems. Will also act as Site Energy Manager, leading the Energy Management System (EnMS) in accordance with DIN EN ISO 50001.

Lead and grow a Data Science team to develop and adapt algorithms for optimizing energy trading and asset dispatch. Manage a team of 8 FTEs, growing to ~15, and collaborate with executive and leadership teams to set strategic goals.

Postdoctoral position in virology and molecular medicine available at Witten/Herdecke University. The position is funded by the German Research Foundation (DFG) and focuses on standardized virus preparations and cell culture systems for human adenoviruses.

The CFO will lead all financial aspects of a €30m B2B business transitioning to a SaaS model. Responsibilities include financial planning, reporting, and driving the company's transformation. The role requires experience in a PE-backed, high-growth environment and a strong understanding of SaaS KPIs.

This role focuses on Executive Protection, Event Security, and Physical Security. Responsibilities include leading executive protection programs, planning security for events, managing security incidents, and representing Corporate Security in cross-functional settings. The ideal candidate has proven expertise in event security, executive protection, and physical security management, along with experience in security investigations, security technologies, and tactical threat management.

As ESG Expert, you will develop and implement ESG strategies, monitor relevant developments, and support the Net Zero 2050 strategy. You will also set up and maintain ESG documentation, implement ESG tools, and coordinate data collection and reporting.

Drive revenue growth by selling AI-powered ERP automation solutions to mid-market and enterprise accounts. Lead the full sales cycle, from prospecting to closing, and build relationships with senior decision-makers.