java English-speaking jobs in Mainz

Develop highly integrated RF SoCs for automotive radar applications. Responsibilities include mixed-signal SoC ASIC implementation, HDL checks, floorplan creation, and sign-off verification like STA and EM. Requires knowledge of digital ASIC design and analog RF SoC development.

As Chief of Staff, you will build Infinite Orbits Germany from the ground up, partnering with the Managing Director. Responsibilities include corporate setup, government relations, and cross-border coordination. Requires 3+ years in a relevant leadership role.

Lead Originator (BESS) role supporting a German IPP. This position manages commercial strategy, stakeholder relations, and negotiations for battery energy storage assets. Requires fluency in German and English, and BESS sector experience.

Fund Reconciliation, Data & Reporting Analyst needed for a global asset manager. Focus includes fund reconciliation, data validation, and investment reporting using Allvue Investment Accounting and Excel.

HR Lead for Germany drives people strategy, workforce effectiveness, and compliance with German labor laws. Requires 8-12 years of experience and fluent German and English.

Leads and manages the Human Resources function across Europe and Latin America, driving key initiatives including recruitment, training, organizational design, and performance management. Ensures HR strategies align with business objectives while maintaining compliance with local labor laws.

Lead enterprise cloud transformation by designing secure, scalable AWS architectures and guiding VMware-to-AWS migrations. Build Infrastructure as Code with Terraform and define cloud strategies. Requires strong AWS knowledge and German proficiency.

Creative Graphic Designer supporting the German pharmaceutical market. Develop digital and print assets, including websites, banners, and brochures, adhering to brand guidelines. Requires 3-5 years of design experience and proficiency in the Adobe suite.

Director of Manufacturing Engineering & External Operations for Class III Medical Devices. Lead manufacturing industrialization, design transfer, and oversee contract manufacturers for complex cardiovascular technologies. Requires 10+ years in medical device manufacturing.

Senior Procurement Manager for a fast-growing start-up in solar, energy storage, and data centers. Manage CAPEX tenders, EPC companies, and suppliers across Germany. Requires technical background in renewables and experience with onshore projects.

Drive AI pipeline and growth across EMEA/LATAM. This strategic role identifies opportunities, engages customers, and converts AI interest into pipeline and bookings, requiring 8+ years in relevant tech sales.

Senior Talent Partner owns end-to-end recruitment delivery for customer-specific projects. This role requires managing stakeholder relationships, guiding candidates, and supporting team development. Proven recruitment experience and strong German/English skills are necessary.

Service Technician performs maintenance, installation, and repair of industrial, mechanical, and electrical systems at client sites. Requires vocational training in electrical, mechatronics, or mechanics, and a valid Class B driving license.

Project Manager Connect-In executes machine connection projects for new facilities and relocations. Responsibilities include technical specification preparation, contract negotiation, cost monitoring, and supervising installation activities. Requires an Engineering degree and 2-3 years of relevant project experience.

Experienced Head of Talent Acquisition Europe needed with fluent Mandarin skills. This role involves building and scaling the TA function across Europe, leading teams, and developing recruitment strategies.

Strategic Assistant to Head of HR COM supports HR strategy execution and aligns the HR leadership agenda with ZEISS objectives. This role drives key HR initiatives, prepares executive materials, and coordinates cross-functional projects.

Develops and executes clinical training programs for CT products, resolves customer clinical issues, and provides comprehensive product training. Collaborates with marketing and sales teams, supports industry events, and gathers market data. Requires a bachelor's degree in medical imaging sciences or a related field and 3+ years of experience as a CT clinical application specialist. Must be proficient in English and willing to travel extensively.

Service Engineer supporting EDI and E-Invoicing environments. Key duties include managing integrations, troubleshooting issues, and supporting new partner onboarding using standards like EDIFACT, Peppol, and APIs.

Lead short-term trading and optimization for a growing BESS portfolio. Develop trading strategies across day-ahead and intraday markets and oversee in-house optimizer development. Requires P&L track record and Python expertise.

Provide expert, compliant mortgage advice and deliver an excellent client experience. This role combines advisory expertise, sales capability, pipeline management, and accurate case administration. Requires experience in mortgage advising and strong knowledge of products.