java English-speaking jobs in Mainz

Support the team in developing modern Android in-car apps and gain insights into state-of-the-art software architectures. Contribute to infotainment application development within an international scrum team. Requires IT/CS studies and initial experience with Java/Kotlin.

Support the Marketing & E-Commerce team as a Working Student, focusing on Social Media, Influencer Marketing, and Customer Experience. Responsibilities include trend research, influencer outreach, and customer feedback analysis.

Experienced Engine Design and Development Engineer needed to support engine development for a commercial vehicle manufacturer. Responsibilities include 3D modeling in CATIA V5, BOM management, and DMU analysis. Requires 8-15 years in engine design and fluency in Portuguese and English.

Linguistics Expert needed for AI training and content writing. This role involves curating, annotating, and evaluating linguistic data to shape LLMs and NLP systems. Responsibilities include creating grammar guides, resolving ambiguity, and ensuring model output quality.

RONIN International seeks professionals from advertising and marketing agencies to participate in a paid consultancy study. Candidates should be familiar with paid media, programmatic buying, and managing DSPs. The session is an online survey lasting about 20 minutes.

Lead FutureLog's ~30-person engineering organization, setting technical direction and driving AI adoption. Guide platform evolution, manage security, and represent Engineering to enterprise customers.

Business Development Director to drive growth in Germany and Austria for private and public credit. This role manages institutional client relationships, focusing on originating and closing new business within private markets. Requires experience in sales and a network across German investors.

Support technical management of seagoing vessels, monitoring maintenance and coordinating repairs. This role involves liaising with suppliers and assisting with technical reports and inspections. Requires a technical qualification and good English.

Define and govern end-to-end solution architecture for the Developer Experience programme, translating requirements into secure, scalable designs for Windows and macOS endpoints. Own high-level and detailed architecture for developer tooling distribution.

Senior Product Lifecycle Management Consultant manages complex manufacturing and transfer projects for life-science clients. Requires 10-15 years in life sciences with strategic project management in drug development.

Senior Vice President, Custody Tax Product Manager defines and executes the product roadmap for tax services for cross-border institutional investors. Requires expertise in German tax law and global tax regulations.

Experienced Product Owner needed to manage product and box-build projects in the Rail/Rolling Stock industry. Requires Agile backlog management, technical coordination, and knowledge of railway electronics and industrial networking.

HR Senior Generalist executes HR activities in Germany and manages European recruiting (excluding Italy). Responsibilities include advising on people matters, overseeing German employee lifecycle processes, and driving HR improvements. Requires 5+ years of HR generalist experience and fluency in German and English.

Independent Risk Management Director to serve as senior second-line risk leader for the Invest business. Requires deep expertise in broker-dealer and investment advisory risks, overseeing operational, fraud, technology, credit, and third-party risks.

Lead and build the strategic procurement function across Spanish and German operations. Drive cost optimization, shape sourcing strategy, and manage supplier partnerships within the sports nutrition sector. Requires fluency in English and Spanish.

Datacenter Technician role involving adherence to security and safety best practices. Responsibilities include installing and testing copper/fiber optic cabling, basic network device troubleshooting, and inventory management. High school degree and cabling experience are required.

Senior Marketing Manager to translate Pictet AM's strategy for the German market. Develop annual plans, manage local campaigns, and coordinate with sales and central teams. Requires marketing experience in asset/wealth management and fluency in German.

Develop software for control and automation of test systems and refine electronic hardware. Tasks include designing automated production and functional tests. Requires electrical engineering degree and C++ or Python knowledge.

Director of SAP Service Delivery Management to build and scale a major SAP Service Delivery Management capability. This role involves defining strategy, establishing operating models, and leading high-performing teams to achieve significant growth.

Lead cost management and design end-to-end cross-border logistics solutions across Europe. Manage standard logistics costs and implement customized solutions for non-standard shipments like dangerous goods and break-bulk cargo.