java English-speaking jobs in Mainz

Working Student in Semiconductor Strategy. Responsibilities include supplier quotation analysis, negotiation support, and contributing to material group strategies within the Volkswagen Group. Requires business/engineering studies, German proficiency, and English fluency.

Senior Associate, Fund Analysis for Invesco's Real Estate Investment team. Manage IREEF, a pan-European fund, covering transactions, asset management, and portfolio strategy. Develop investment views and deliver fund-level analysis.

Produkt-/Dienstleistungsspezialist for Electromagnetic Compatibility (EMC) and Wireless. This role involves testing and analyzing a wide range of new technologies to ensure product safety and compliance.

Mid-level Electrical Engineer develops and documents complex electronic and electrical system requirements for aircraft connectivity solutions. Responsibilities include hardware/software design, testing, and ensuring compliance with safety and regulatory standards.

Sales Account Manager for Affiliate/Performance Marketing. This role supports a leading affiliate company operating 200 websites across 12 languages, specializing in driving high-quality traffic. Home office options are available.

Support and shape the labor relations strategy for the EMEA Region. This role involves advising HR, drafting agreements, handling compliance, and overseeing negotiations with works councils and trade unions.

Lead and develop the Competence Center team to strengthen manufacturing knowledge and operational excellence. Define standards, drive knowledge transfer, and support scalable production processes. Requires an Engineering degree and production experience.

Storage Expert needed to design and optimize high-performance storage solutions for AI and HPC workloads. Responsibilities include data management, prototyping AI-optimized systems, and advising SMEs. Requires a Master's degree and experience with HPC/AI storage technologies.

HR Generalist II resolves complex HR scenarios, providing expertise on lifecycle transactions, policy, and benefits. This role partners with various HR stakeholders to ensure end-to-end service delivery and drives continuous improvement. Requires 5+ years of HR operations experience.

Lead GCP Platform Engineer to direct cloud architecture, platform engineering, and automation. Responsibilities include designing scalable infrastructure with Terraform, optimizing CI/CD, and establishing SRE standards on GCP.

Experienced Wellspring Accolade consultant needed for long-term support of an "Idea-to-Product" environment. Responsibilities include platform configuration, technical customization, and system integrations. Requires several years of Accolade project experience.

Drive M&A strategy across EMEA, supporting growth and value creation through market analysis and deal advisory. Requires 3+ years in Strategy Consulting, Private Equity, or M&A, with fluency in English and German.

Field Service Engineer role requiring Korean language skills. Involves installation, maintenance, and testing of materials testing machines. Candidates undergo training in Germany before joining the South Korean service team.

Warehouse employee role involves loading conveyor belts, transporting, and staging deliveries. Duties include preparing inventory, using technology, and moving packages up to 15kg. Must be 18+ and proficient in German, English, or Spanish.

Senior ASIC Test Engineer defines and implements toplevel test concepts for ASICs. Responsibilities include developing ATE test programs, debugging issues, and ensuring test result correlation across levels. Requires experience in ASIC test engineering and ATE development.

Lead Scalable Capital’s accounting function under HGB and IFRS, driving standardized, automated financial processes. Own month-end/annual close, tax reporting, and shape core banking system booking logic. Requires extensive HGB experience and fluency in German and English.

Senior Product Designer to own end-to-end design for complex product areas, from discovery to execution. Requires 6+ years as a UX Designer with a strong portfolio and focus on user-centric, accessible design.

Intern for Employer Branding, Content & Social Media. Manage Instagram, coordinate content planning, and contribute creative ideas for employer branding projects. Requires advanced student status and English fluency.

Working Student in Marketplace & Account Management. Take ownership of product approval and optimize seller performance using KPIs. Requires university enrollment, 16–20 hours/week, and fluency in German and English.

B1/B2 Aircraft Technician performs aeronautical maintenance, gives technical instructions, and certifies work. Requires vocational training, experience with specific aircraft (Airbus, Boeing), and fluent technical English.