12 germany English-speaking jobs in Mainz

KGaA is headquartered in Mainz, Germany and listed on the Frankfurt Stock Exchange as part of the SDAX

tech transfer to validation.Proclinical is seeking a Senior Scientist MSAT to join a dynamic team in Germany

, Eschborn - Hessen - Germany, Frankfurt am Main - Hessen - Germany, Heidelberg - Baden-Wuerttemberg ... Full-time Work mode: Hybrid (Remote/Office) Employment type: Fixed Term Location(s): Darmstadt - Hessen - Germany ... - Germany, Mainz - Rheinland-Pfalz - Germany, Wiesbaden - Hessen - Germany ... Siemens Healthineers Germany was awarded the Great Place to Work® certificate.

The Global Sales Specialist supports Hyatt's hotel conversion and pre-opening activities, managing group leads and coordinating transient RFP processes. This role acts as a liaison between Global Sales teams and hotels, ensuring commercial readiness and driving revenue generation.

Senior Engineer for Optical Design will develop software tools for optical design and analysis. Prototype waveguide and component concepts, design DOEs, and analyze experiments. Requires MS in Optical Engineering or related field, strong Python programming skills, and proficiency with optical simulation tools. Experience with Monte Carlo tolerancing, sensitivity studies, and optical component manufacturing is preferred.

Lead global brand strategy and social media presence for a fintech company. Define brand-social ecosystem, lead global brand campaigns, and own end-to-end social media execution. Manage and measure brand and social performance, ensuring brand consistency across markets.

Designs, builds, and deploys production-ready AI solutions, integrating AI into existing business systems and optimizing performance. Collaborates with clients to understand processes, identify automation opportunities, and drive AI-led change. Builds AI prototypes, demonstrates capabilities to prospective clients, and assesses client AI readiness. Requires 2+ years of experience implementing AI/ML systems, strong Python skills, and a portfolio of deployed AI/ML systems. Fluent English required.

Outside Sales Executive for Hästens, a global luxury sleep brand. Focus on strategic hunting, identifying and closing high-value accounts independently. Requires proven sales track record, mobility, and stamina. 80% field presence, uncapped commissions, and zero micro-management.

Legal Officer needed for a client of TechBiz Global. Provides legal advice, drafts contracts, ensures compliance with regulations, and supports corporate governance. Requires a law degree, 5+ years of experience, fluency in English, and MiFID II certification.

Provides technical expertise and solutions to Aerospace & Defense customers. Analyzes specifications, recommends product configurations, and supports implementation planning. Collaborates with sales, engineering, and product development teams.

Team Lead Assembly to plan, coordinate, and oversee daily assembly operations. Focus on safety, quality, and productivity. Develop and optimize processes to improve efficiency. Ensure compliance with operational standards and regulations.

Senior Backend Engineer will design, develop, test, deploy, and maintain software in a JVM language and Spring Boot. Experience with microservice architecture, relational and non-relational databases, and AWS is required. Full professional proficiency in English is necessary.