java English-speaking jobs in Mainz

Lead technical design and delivery of HVDC cable systems, including accessories, fiber optic systems, and cable monitoring. Manage project phases from permitting to commissioning.

Business Development Representative needed to drive expansion into the German market. Responsibilities include cold calling entrepreneurs, identifying market opportunities, and collaborating with senior business leaders. Requires fluency in German (C2 level), experience working with entrepreneurs, and strong communication skills.

Medical Doctor with Gastroenterology Fellowship certification required. Provides medical input to global clinical studies, advises teams and partners, and ensures patient safety. Reviews clinical data, addresses safety issues, and collaborates on protocol development and reporting.

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.

Sales Engineer to drive business development in the Maghreb and MENA regions. Responsibilities include proposal preparation, opportunity identification, contract negotiation, and project presentation. Requires a bachelor's or master's degree in Mechanical or Electrical Engineering, proficiency in English, and experience in industrial capital goods sales.

Building Services Engineer (Electrical / HVAC) needed to review specialist planning services, monitor the planning process, and develop sustainable MEP concepts. Requires a degree in Building Services, Electrical, or Mechanical Engineering and experience in building services design and execution.

Product/UX Designer will apply design thinking to create user-friendly solutions. Responsibilities include conducting research, creating wireframes and prototypes, and collaborating with cross-functional teams. Requires 2-5 years of experience, proficiency in Figma, and experience implementing Material Design and WCAG.

Drives the development and growth of strategic partnerships with BioPharma customers. Leads partnership strategy, builds relationships, and supports transactions. Manages key BioPharma accounts, ensuring customer satisfaction and partnership growth.

Leads a team of sales professionals, overseeing all aspects of the industrial sales strategy and new business development efforts in Europe. Responsible for driving profitable growth, expanding market share, and building a high-performance sales culture.

Lead projects to develop and deploy astronomical instrumentation systems, including sub-systems. Manage project budgets, schedules, and resources. Collaborate with project scientists, engineers, and external partners.

Manage and optimize paid media campaigns across search, social, and display for brands like LEGOLAND and Peppa Pig. Drive traffic, revenue, and ROI through data-driven decision-making and performance analysis. Collaborate with marketing, eCommerce, and agency partners to ensure campaign alignment and execution.

Ensure smooth processes and maintain clean workspaces in a fast-paced catering environment. Provide excellent service and contribute to a positive guest experience.

Transversal Manufacturing Engineer (m/f/d) for Airbus Defence and Space in Manching. Reports to a Steering Committee, manages the replacement and industrialization of products impacted by banned substances, and coordinates project activities. Requires a completed degree in Aerospace, Mechanical Engineering, or a comparable field, project management, production, and manufacturing engineering experience, and knowledge of various software programs. Fluent German and English skills are essential.

Senior Director of Sales & Marketing for EME, PTx will develop and implement commercial plans, drive market penetration and revenue growth, and analyze market trends. Requires 7+ years of experience in commercial, sales, or business development, ideally in ag tech or related industries.

Senior Legal Counsel provides commercial legal advice to support Shift4's European growth. Responsibilities include advising on commercial matters, negotiating contracts, managing external counsel, and ensuring compliance with relevant regulations. Requires a law degree, minimum 5 years' legal experience, and expertise in corporate and commercial law. Fluent English is required, additional languages are advantageous.

The Strothoff International School is a bilingual, international school. In our pedagogical concept, we follow both the Hessian education plan and the international IB curriculum. On our family-friendly and modern campus in Dreieich (near Frankfurt), we offer around 400 children

The Head of Tax leads and develops the global tax function for a multinational group, ensuring compliance across 30+ jurisdictions. This role oversees international tax matters, transfer pricing, tax reporting, and risk management while shaping a future-ready tax organization.

Experienced IC Design Engineer needed for CMOS analog/mixed-signal design and NVM device development. Focus on hafnium oxide based ferroelectric memory products. Requires Cadence, Verilog, C, and strong analog/mixed-signal design experience.

Senior/Staff Web Analyst to design and implement tracking strategies, architect automated data pipelines, and ensure data integrity across web and app platforms.

Loads and unloads UPS packages, utilizing machinery as needed. Performs package handling, shipping, receiving, scanning, sorting, and stocking. Must be able to lift up to 70 lbs.