java English-speaking jobs in Mainz

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  • European Southern Observatory
  • Garching
  • April 2
LogoProvides administrative support to ESO Astronomy Faculty, Students, Fellows, and Visiting Scientists. Organizes colloquia, seminars, and talk series. Assists with travel and accommodation arrangements and supports the Science Visitor Programme. Contributes to the planning and execution of events for Fellows, Students, and Visitors. Prepares budget reports, compiles statistics, and maintains databases.
  • Westwing Group SE
  • Munich
  • April 2
LogoAs Personal Assistant to the CEO, you will manage the CEO office, coordinate calendar and inbox management, and handle travel arrangements. You will also organize meetings, conferences, and events, and act as a central point of contact for internal and external inquiries.
  • U.S. Army Europe and Africa
  • Miesau
  • April 2
LogoAdvises on safety and occupational health measures, prepares safety instructions, and conducts inspections to ensure compliance with OSHA standards. Implements safety programs, investigates accidents, and provides safety training to supervisors and employees. Serves as the facilities' technical expert on safety and environmental issues, including infrastructure and equipment modernization projects. Requires certification as a safety professional in accordance with paragraph 7 of the Arbeitssicherheitsgesetz (AsiG).
  • Euronet Worldwide
  • Germany
  • April 2
Regional Head of Accounting will manage and oversee accounting operations, ensuring financial record accuracy, regulatory compliance, and robust internal controls. This role involves supervising bookkeeping, coordinating closings, managing reconciliations, and preparing financial statements.
  • NVision Imaging Technologies
  • Baden-Württemberg
  • April 2
LogoTechnical Lead for a Quality Control System Project, developing and integrating analytical instruments into a custom automated fluidic system.
  • Cocomore AG
  • Germany
  • April 2
LogoOffice Manager (Minijob) will schedule appointments, manage mail and travel, handle order management and accounting, and provide customer reception and event support. Requires commercial training, 1+ year of administrative experience, proficiency in office software, and fluency in German and English.
  • Augentic
  • München
  • April 2
Lead development efforts for the AUGENTIC software platform "Qomitto". Balance strategic leadership with technical oversight, managing a team of 20 developers. Design and optimize the full software development life cycle, ensuring platform stability and quality. Drive the ScrumBan model, manage release cycles, and oversee code development and testing.
  • Bella & Bona Gmbh
  • Munich
  • April 2
LogoOperations Assistant needed for a fast-paced food-tech company. Own daily kitchen operations, logistics, and order flow. Execute under pressure, work with teams, and gradually take on catering and sales responsibilities. Must have a valid EU driver's license (Class B) and fluency in English.
  • Raymond James
  • München
  • April 2
Investment Banking Associate (Level 1 or 2) supports M&A, financing transactions, and financial modeling. Prepares presentations, analyzes financial statements, and mentors analysts. Requires a Bachelor's Degree and 3+ years of Investment Banking experience or equivalent.
  • Calypso Commodities
  • Berlin
  • April 2
As a Quant & Engineering Intern, you will develop quantitative analyses, models, and prototypes to solve real trading problems for clients in the LNG and crude oil markets. You will use AI tools, Python, and our optimization software to build solutions and interact directly with traders.
  • Universität zu Köln
  • Frankfurt
  • April 2
LogoThe University of Cologne seeks a Professor of Economics (W3) to contribute to research and teaching within the ECONtribute Cluster of Excellence. The position is based in the Faculty of Management, Economics and Social Sciences and requires a strong research record and commitment to excellence.
  • DocuWare GmbH
  • Germering
  • April 2
LogoDesign System Designer (m/f/d) will develop and maintain the company's Design System. Responsibilities include creating, evolving, and reviewing components and patterns, documenting design standards, and collaborating with developers. Requires 5+ years of product design experience, a portfolio showcasing Design System work, and proficiency in Figma, Storybook, and Supernova.
  • Helmholtz-Zentrum Hereon
  • Geesthacht
  • April 2
PhD position in machine learning and computer simulations for materials and process design. Develop novel machine learning models to enhance or replace computational engineering methods.
  • AMBOSS
  • Berlin
  • April 2
LogoPart-time Kitchen Assistant needed to handle ingredient distribution, assist with dishwashing, manage garbage disposal, and maintain kitchen and front-of-house cleanliness. Must have strong communication skills, physical stamina, and a collaborative spirit.
  • LG Chem Europe GmbH
  • Wiesbaden
  • April 2
Junior Sales Manager (m/f/d) needed to manage sales of Petrochemical products in the B2B market. Responsibilities include contract negotiations, customer relationship management, and sales strategy development. Requires a degree in business/economics, chemistry, or a related field, plus one year of sales experience. Excellent communication and teamwork skills are essential.
  • Uber Germany GmbH
  • München
  • April 2
Account Executive (m/f/d) to expand Uber Eats' restaurant network in Germany. Responsibilities include executing sales campaigns, negotiating partnerships, onboarding new restaurant partners, and collaborating with cross-functional teams.
  • ML6
  • Berlin
  • April 2
Software Engineer will design, develop, and deploy production-ready machine learning applications on AWS, Azure, and GCP. Collaborate with cross-functional teams to translate client needs into technical solutions.
  • TRATON
  • München
  • April 2
Support budget planning, management, and auditing. Create and optimize reports, work on procurement processes, and control data quality.
  • Kenvue
  • Neuss
  • April 2
The Professional Marketing Lead will define, develop, and deploy scientific and professional marketing content for Central Europe. The role connects global professional strategy with local market activations and supports priority launches and initiatives.
  • NTT DATA
  • Bautzen
  • April 2
The Regional Delivery Assurance Manager ensures projects follow defined delivery assurance processes, from risk management in the presales phase to project delivery. Responsibilities include implementing and executing delivery assurance processes, conducting risk reviews, and managing risk mitigation activities. The role requires 5+ years of experience in SAP project delivery, 3+ years in risk management and quality assurance, strong communication and stakeholder management skills, and fluency in English. Willingness to travel 20-40% is required.