java English-speaking jobs in Mainz

The Strategic Account Manager identifies and develops data center project opportunities in Northern Europe. This role focuses on early engagement with colocation operators, design firms, and general contractors to define where Danfoss solutions can add value. The position requires a Bachelor's degree, minimum three years of commercial HVAC/R industry experience, and fluency in English.

The Werkstaettenleiter is responsible for the 6981st Motor Operations & Maintenance Branch, overseeing repair and maintenance of vehicles, equipment, and tools. The incumbent ensures vehicles are certified for transporting dangerous property and manages a team of mechanics. Responsibilities include planning and programming maintenance, analyzing maintenance trends, and coordinating repair requests. The position requires technical proficiency in vehicle and equipment repair, knowledge of maintenance policies and regulations, and experience in managing a team.

We seek a skilled Driver and Test Engineer with automotive experience and SDLC understanding. Responsibilities include test drives, software updates, defect reporting, and test case creation. Must have a Driver's license (category B) and at least 4 years of Test Engineer experience.

Lead end-to-end project management for advanced spectacle lens development programs. Translate customer requirements into project plans and deliverables. Coordinate product development across R&D, manufacturing, quality, regulatory, and supply chain teams.

Category Manager will optimize spend performance and manage supplier relationships across indirect categories in the EMEA region. Responsibilities include leading sourcing initiatives, developing category strategies, managing supplier partnerships, and ensuring contract compliance.

Senior SAP EWM Solution Architect with 10+ years of experience needed for a global S/4HANA transformation program. Define and govern SAP EWM target architecture across complex, multi-site environments. Lead solution design for inbound, outbound, and internal warehouse processes. Ensure alignment with SAP best practices and enterprise architecture standards. Collaborate with business stakeholders, supply chain teams, and technical architects. Provide hands-on guidance during build, test, and deployment phases. Fluent English (C1) required.

Coordinates sea freight export shipments, handles documentation, and tracks order status. Requires a bachelor's degree, 2+ years of experience in sea freight, fluency in Chinese and English, and strong communication skills.

Retail Intern to support a luxury boutique team in Munich. Responsibilities include customer service, operational tasks, and ensuring a welcoming client experience. Must be fluent in German and English, with a passion for fashion and luxury retail.

Alvarez & Marsal (A&M) is a global consulting firm with over 11,000 entrepreneurial, action and results-oriented professionals in over 40 countries. We take a hands-on approach to solving our clients' problems and assisting them in reaching their potential. Our culture celebrates independent thinkers and doers who positively impact our clients and shape our industry.

Lead a team responsible for STABL's Battery Cloud, a platform connecting battery systems, processing telemetry, and enabling operational excellence. Define and evolve cloud architecture, ensure reliable connectivity, design scalable data pipelines, and lead development of internal tools.

Leads advanced logistics planning, supports series production, and coordinates customer-facing logistics activities. Serves as the key interface between European customers, Minth Europe plants, logistics providers, and the Global Logistics Centre in China. Responsible for supply chain, import & compliance management, warehouse & inventory control, order fulfillment & distribution, commercial operations, cost control & partner coordination, and events & operational scaling.

Provide customer support in Spanish and English, primarily via written communication. Resolve customer inquiries and mediate between parties on the Cardmarket platform.

Senior Commissioning Engineer responsible for end-to-end commissioning of a hydrometallurgical battery recycling plant. Develops and executes commissioning strategy, ensures commissioning requirements are met, and coordinates start-up activities across all disciplines. Requires 8+ years of experience commissioning hydrometallurgical, chemical, or metallurgical processing plants and strong process safety and HSE competence.

Leads strategic engagement with medical societies and alliances, driving innovative collaborations to advance GSK's healthcare priorities. Develops and implements strategic frameworks for partnerships, leads KOL and academic collaborations, and ensures compliance for all external collaborations. Requires an advanced degree in Life Sciences, Medicine, or a related field and proven experience in strategic partnerships, medical affairs, or healthcare collaborations.

As Executive Assistant to the CEO, you will ensure the CEO's impact is maximized by managing investor relations, strategic communications, and complex stakeholder interactions. You will prepare the CEO for meetings, own company-wide reporting, and represent the company in high-powered environments.

As a (Senior) Process Engineer, you will oversee product transfers across multiple sites, ensuring smooth operational transitions. You will provide engineering support, define technical objectives, and monitor project progress.

Senior Corporate Counsel provides legal support and expertise in German and International contract law, commercial law, corporate law, and construction law. Drafts, reviews, and negotiates legal documents in German and English. Advises internal teams and supports operations in Germany and Austria. Analyzes legal issues, manages claims, and collaborates with the EMEA & ANZ legal department.

Develop and deploy generative and agentic AI solutions, including text generation, semantic similarity, and classification, within a SaaS platform. Integrate AI models, optimize performance, and collaborate with engineers and sustainability experts.

Provides first-line customer support, managing onboarding and integrations for customers and third-party providers. Collaborates with sales, product, and IT teams to ensure customer satisfaction. Analyzes customer interactions and creates reports on support metrics.

Support the update and preparation of content for a customer engagement platform. Translate product data into engaging marketing content and collaborate with internal stakeholders.