java English-speaking jobs in Mainz

A400M Aircraft Mechanic required for scheduled and unscheduled assembly, maintenance, and structural repairs on the A400M weapon system. Requires vocational training in metalworking and professional experience in production and aircraft.

For our Primary School in Hamburg we are looking for a motivated and qualified Teaching Assistant (part-time/full-time, starting 01.01.2027).

Service Technician for Wind Turbines performs on-site servicing and maintenance. Responsibilities include repairing turbines, analyzing errors, and documenting work. Requires vocational training in electrical engineering or similar fields.

Shift Leader needed to lead floor operations at BUYA and REI. Responsibilities include coordinating service, supporting the team, and handling guest requests. Requires restaurant service and shift leadership experience.

Senior Data Engineer to develop and maintain IT applications for risk management and regulatory reporting. Requires experience in software/data architecture, SQL, Bash, and ETL processes. Strong analytical skills and German/English proficiency are necessary.

Produce and supervise snack menu items for nine Berlin Cafés. Ensure quality, manage inventory, and maintain kitchen operations. Requires 1-2 years' experience, strong organization, and fluency in English.

Account Executive role seeking sales experience in ERP or IT solutions. Must be fluent in German and English. Responsibilities include prospecting, territory management, and driving new business acquisition.

Drive high-value enterprise sales for LogTech SaaS solutions in global supply chain logistics. Own the end-to-end sales cycle, acquiring new customers and expanding the network. Requires 5+ years in B2B sales within logistics or LogTech SaaS.

Strategic Supplier Manager responsible for building and governing Global Integration Centers. This role involves strategic Tier-1 supplier relationship management, commercial negotiation, and ensuring supply network resilience. Requires 5+ years in strategic supplier management.

System and Instrument Functional Chain Engineer coordinates IFCT activities, supports instrument data processing, and develops engineering tools for complex space systems. Requires 8+ years in System Engineering for LEO missions.

Group Leader ELV & LSS manages and develops an engineering team focused on electrical monitoring, security, and building automation systems. Responsibilities include project planning, implementation, and budget management. A degree in electrical engineering or comparable qualification is required.

Senior Manager to improve automotive warranty and services offerings. This role involves leveraging data and technology to enhance products, optimize programs, and drive revenue across European entities. Requires 5 years of relevant experience.

PhD Candidate role focusing on statistical physics methods to study biological problems like bacterial biofilms, autoimmunity, and autoinflammation. Expertise in theoretical, mathematical, or biological physics, applied math, or computer science is required.

Seeking a medically qualified Clinical Affairs Medical Expert (MD) to provide independent medical and scientific input across Brainlab's image-guided surgery and related technologies. Review CEP/CER, evaluate literature, and advise R&D.

Develop and optimize advanced measurement and characterization solutions for semiconductor and MEMS manufacturing. Qualify and maintain electrical and optical measurement methods, driving process stability and yield improvement.

ASIC Digital Design Engineer to design advanced Mixed-Signal and SoC ASICs for MEMS consumer sensor ICs. Responsibilities include digital module concept definition, circuit design, and validation. Requires 5+ years in IC digital design and VHDL/Verilog expertise.

Experienced SAP S/4HANA Public Cloud Functional Consultant needed for S2P & L2C transformation. Responsibilities include Fit-to-Standard workshops, configuration, and supporting procurement/sales processes. Requires hands-on S/4HANA Public Cloud experience and German fluency.

Application Engineer for Inside Sales in Oil & Gas Midstream/Downstream. Responsibilities include technical consulting, quotation preparation, pump sizing, and sales concept development. Requires technical training and strong communication skills.

Senior SAP Project Manager needed to lead S/4HANA and cloud strategies into tangible business outcomes. This role involves solving customers' toughest technology challenges within complex environments.

Director in Treasury to manage EU recovery and resolution planning deliverables. This role involves owning and coordinating MSESE and EU RRP workstreams, interpreting regulatory requirements, and collaborating across global functions.