java English-speaking jobs in Mainz

Eton Clarke is seeking a Vice President or Director level salesperson to sell FX and derivatives products to large-cap corporates in Germany, Austria, and Switzerland.

Experienced Medical Science Liaison needed for dermatology and/or immunology. Must have strong German KOL network and experience in the German pharmaceutical market. Support product launches and provide medical insights. Requires advanced scientific degree and fluency in German.

Customer service representative needed for full-time position. Responsibilities include processing customer emails, telephone and written communication, expert advice, and problem solving. Must have very good written and spoken German and fluency in French.

As a Team Member / Sales Associate at Dean&David, you will prepare fresh food, welcome guests, take orders, and ensure positive customer experiences. You will work in a fast-paced environment, collaborating with a team to provide excellent service. Previous food service experience is a plus but not required.

Studio Natura, a premium health deli chain, seeks a passionate barista to join their team. Brew coffee according to set recipes, manage orders, provide table service, and maintain a clean and hygienic environment. The ideal candidate is friendly, committed, punctual, and enjoys working in a team. Fluent English and good German skills are required.

Provides comprehensive administrative and strategic support to the Vice President Engineering Global & Vice President Operations EU. Manages calendars, travel arrangements, meetings, and events. Handles confidential information and administrative workflows. Requires experience in a fast-paced international environment and proficiency in MS Office and digital collaboration tools.

Own quality across Hero's Third Party Manufacturers (TPMs) within the EU portfolio. Approve, monitor, and manage TPMs to Hero standards, conduct audits, manage non-conformances, and investigate customer complaints. Implement quality systems with subcontractors and review/approve validation protocols and supplier quality documentation.

As a working student in IT project management, you will support planning, preparation, and management of IT application projects. You will assist with stakeholder coordination, define project scopes, and create project plans. You will monitor project progress, identify issues, and ensure compliance with budgets and standards.

Do Well Do Good seeks Founding Partners to launch and grow their own consulting offices. Successful candidates will build client pipelines, deliver consulting projects, and achieve €500K revenue in Year 1. Full-time partnership and equity options are offered in Year 2.

The University of Europe for Applied Sciences seeks a President to lead its strategic vision, foster academic excellence, and strengthen its position as a leading institution in Art & Design and Business. The President will represent the university externally, lead the Presidium, and oversee the university budget.

Nachhilfeunterricht seeks enthusiastic Geography Tutors to support students in understanding physical and human geography. Assist learners with topics such as climate, ecosystems, population, and global development. Strong subject knowledge and a passion for education are required.

Senior Backend Engineer will design, develop, test, deploy, and maintain software using a JVM language and Spring Boot in large-scale production systems. Experience with microservice architecture, relational and non-relational databases, and AWS is required.

The German Cancer Research Center (DKFZ) seeks an IT Security Specialist to define security standards for two data infrastructure projects. The role will ensure compliance with modern standards and involve risk and asset management, security awareness programs, and guidance for IT projects.

Native Swiss French speakers are needed for a non-professional recording project to train AI call center bots. Record approximately 300 short phrases in your native language using provided software. A PC with a microphone and the ability to use Audacity are required.

Working student supporting financial accounting tasks including invoice processing, expense claims, vendor master data maintenance, and account reconciliations. Must have a Bachelor's/Master's Degree in Finance & Accounting or Business Administration and professional level written and spoken English.

The Medical Science Liaison (MSL) Neurology will engage with Scientific Leaders and Key Decision Makers, providing medical and strategic support to cross-functional teams. The role focuses on neurology, with a strong emphasis on migraine, and requires a Medical degree, PhD, PharmD, or equivalent Life Sciences degree and at least 2 years' field medical experience.

Senior Legal Counsel will advise HR and management on German and EU employment law, coordinate labor law matters across EMEA, and represent Arthrex in German labor court.

Convince and win enterprise companies in Germany for a cloud-based meeting management solution. Present the company's vision to decision-makers and persuade them of the concept. Identify customer needs and create tailored proposals. Work with sales, product, and customer success teams to improve the sales cycle.

Freelance Trainer/Author to deliver Industrial Cybersecurity Foundation (IEC 62443) and Professional (Level 2) training. Prepare and present complex topics, support digital learning formats, and continuously develop technical and didactic skills.

Develop and optimize quantitative trading strategies for flexible assets across various energy markets. Build predictive models for price forecasting, asset availability, and market analysis. Collaborate with traders to validate strategies and incorporate market insights.