9 germany English-speaking jobs in Mainz

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

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

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.

Ensures successful completion of transactions on a B2B battery marketplace. Drives operational execution between buyers, suppliers, and internal teams. Provides ongoing support and guidance to users throughout transactions. Collects user feedback and insights to improve platform development. Collaborates with sales, product, and analytics teams.

Student assistant to support routine molecular biology work in a research laboratory. Enrolled in a life sciences program with basic molecular biology knowledge desired.

Designs, builds, and deploys production-ready AI solutions, integrating AI into existing business systems and optimizing performance. Maps business processes, identifies automation opportunities, and designs AI-enabled future states. Builds AI prototypes, demonstrates AI capabilities to prospective clients, and assesses client AI readiness. Requires 2+ years of AI/ML implementation experience, strong Python skills, and a portfolio of production 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.

Collects mapping data using client-provided vehicles equipped with data collection equipment. Operates vehicles safely and efficiently, adhering to project guidelines. Maintains vehicle and equipment cleanliness and reports incidents professionally. Requires 5+ years of driving experience, 2+ years professional driving experience, and good English.

Develop and execute partner strategies and build partner programs to drive channel-led revenue growth. Recruit, onboard, train, and enable strategic partners to accelerate the adoption of OT cybersecurity solutions. Collaborate with sales and marketing teams to co-develop and close deals through the channel.