java English-speaking jobs in Mainz

Lead operational delivery for the European Raw Materials and Advanced Materials Academies. Translate strategy into execution, manage digital learning ecosystems, and lead a multidisciplinary team to scale education initiatives.

Statistical Programmer needed to design, visualize, and deliver clinical trial data. Responsibilities include writing R/Python programs for analysis and developing CDISC-compliant data pipelines. Requires advanced R and Python proficiency.

Senior Machine Learning Anti-Spoof Expert to design, build, and deploy large-scale ML systems for identity verification. Focus on productionizing AI models in biometrics, computer vision, and fraud prevention. Requires 5+ years of ML Engineering experience.

Senior Project Development Manager focuses on onshore wind project origination and development in Germany. Responsibilities include site identification, land acquisition, and managing permitting processes. Requires 3+ years of experience and fluent German.

Front Desk Receptionist/Office Administrator needed for a growing international ag-tech company. Responsibilities include managing reception, visitor experience, calls, and general office administration. Requires experience in reception or admin, excellent communication, and fluent English.

Lead a team of 10 software and security architects, harmonizing architecture processes and driving the roadmap for cloud, security, and AI-native architectures. Modernize legacy systems using AI tools and establish AI tooling as a core practice.

Talent Acquisition Specialist to lead end-to-end recruitment for specialized engineering roles in Defense Tech. Requires German citizenship, native/fluent German, and fluent English. Focus on active sourcing and scaling European talent acquisition.

As an Investment Valuation Manager / Associate, you will provide valuation expertise for development projects, transactions, and operational assets in the renewable energy sector. You will support investment decisions, refine valuation methodologies, and ensure the quality of financial models.

Scientific Education Manager for Dental Solutions EMEA. Identify KOL relationships, create scientific content, and organize educational programs across EMEA. Requires a dentist degree, fluency in French and English, and experience in curriculum design.

Optimize product availability for a closed customer pool by managing preventive maintenance, repairs, and engine configuration standardization. Improve product reliability based on customer requirements and anticipate standardization campaigns.

Energy Consultant to manage client accounts, deliver energy management consulting services, and collaborate with project teams. Requires prior experience in consulting or the energy/utility sector and proficiency with MS Office, CRM systems, and online productivity tools.

Chief Product Officer to own the product lever driving company vision and trajectory. Requires strong, data-driven product leadership, a customer-first mindset, and comfort with iterative development in a SaaS scale-up.

Office Manager role overseeing daily administration and office management. Responsibilities include managing vendors, ensuring safety compliance, coordinating logistics, and optimizing office space utilization. Requires strong organizational and communication skills.

Entry-level Warehouse Worker role. Duties include packing orders, receiving inventory, loading trucks, and operating PIT. Requires 18+ years, proficiency in German, English, Romanian, and/or Arabic.

The Senior Global Product Manager, Digital Modeling & Data Products is responsible for the strategic direction, lifecycle management, and commercial performance of Cytiva's GoSilico mechanistic modeling and process simulation portfolio. This role will execute initiatives that leverage proprietary data, digital tools, and data-driven service models to drive customer adoption. The successful candidate will own the product roadmap, collaborate with R&D, data science, and commercial teams, and translate technical capabilities into customer value.

Oversee day-to-day execution of civil, structural, and architectural works for a major hyperscale data centre project. Supervise on-site CSA activities, coordinate subcontractors, and ensure quality and safety standards are met.

Lead global flavours portfolio strategy, optimizing the product line to drive growth. Manage a team of five+ professionals, analyzing market trends and defining strategies across international markets. Requires a degree in a relevant science and significant experience in portfolio management within the food industry.

Senior Operations Research Scientist designs optimization systems for logistics networks using MIP, stochastic programming, and metaheuristics. Develop and deploy high-performance models, collaborating with Data Scientists to bridge prediction and control.

Product Manager, Reagents drives the development and growth of the reagents business. This role establishes reagent capabilities to create full workflow solutions and recurring revenue. Requires 5+ years in reagent product management and a degree in life sciences or engineering.

Lead AI and automation initiatives from ideation to scale-up, driving measurable business impact. Manage roadmaps, KPIs, and cross-functional teams to deliver digital solutions. Requires a Master's degree and experience in project management and AI technologies.