java English-speaking jobs in Mainz

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.

Working Student in Finance & Controlling supports daily operations, including quotations, project controlling, and billing. You will contribute to financial processes, process optimization, and digitalization. Excellent German and English skills are required.

Working Student Sales supports sales activities, including CRM data quality, lead generation, and quotation preparation. Requires business administration study, German and English fluency, and strong teamwork.

Postdoc position at the Chair of International Political Studies. Develop your research profile in international relations, historical political economy, or comparative politics. Requires excellent doctoral degree, English command, and proficiency in R or Python.

Expert in Semiconductor Metrology & Process Control drives development and optimization of advanced measurement solutions for semiconductor and MEMS technologies. Develop, qualify, and maintain electrical and optical measurement methods.

Instrumentation and Control Technician needed for a pharmaceutical company. Responsibilities include maintenance, repair, commissioning, and GMP documentation of control systems. Requires state-certified technician training and multi-year experience in measurement and control technology.

Manage business relationships with major DACH retail accounts, focusing on hypermarkets and supermarkets. Drive product listings and lead commercial negotiations to achieve sales targets. Requires German fluency and professional English proficiency.

Associate Electrical Engineer supporting Data Centre design excellence. Responsibilities include HV/LV power system design, technical reviews, and managing conceptual to detailed electrical system designs. Proficiency in ETAP and AutoCAD is required.

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.

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.

Lead, coach, and develop a Talent Acquisition team within the Global Business Solution, ensuring excellent recruiting delivery across European markets. This role requires strong people leadership and operational recruiting expertise.

Offer private tutoring in various subjects during December and January. Help students revise and prepare for exams by adapting lessons to their needs. Knowledge of a subject is required; no teaching experience is necessary.

University Professorship in Educational Science specializing in Child and Youth Welfare. Responsibilities include research and teaching from a social pedagogical perspective, focusing on educational support. Requires a PhD and proven research track record in child and youth welfare.

Develop and optimize advanced measurement and characterization solutions for semiconductor manufacturing processes. Develop, qualify, and maintain electrical and optical measurement methods. Lead cross-functional projects to improve yield and efficiency.

Site Construction Manager for offshore platforms leads fabrication and delivery. Requires engineering/construction background, senior site management experience, and proficiency in English.

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.

Support Global Marketing for Bipolar Discretes by improving data, reporting, and marketing materials. Help standardize processes, analyze data, and improve global marketing tools.

Postdoc Researcher in Evolutionary Genomics of Mammals. Conduct genomic research on mammalian evolution and speciation using evolutionary, population, and phylogenomic analyses. Requires a PhD and skills in population genomics and R.

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.

Lead commercialization of new electrical products from concept to high-volume manufacturing. Review designs, manage ECOs, and collaborate with global suppliers to improve manufacturability. Requires electrical design knowledge and proficiency in CAD tools.