java English-speaking jobs in Mainz

As Visual Merchandise Manager for the Germany South region, you will lead and develop a team of District Visual Merchandisers to ensure consistent, commercial VM execution across approximately 200 stores. You will collaborate with Sales, Commercial Planning, and Marketing to drive targeted KPIs and ensure seamless implementation of VM strategies.

JetBrains seeks a Product Marketing Manager to drive adoption of Air, a new AI-native platform for software development. The role involves defining product positioning, messaging, and go-to-market strategies, as well as improving the developer onboarding experience. Experience in product marketing for technical products and a strong understanding of modern developer workflows are required.

Nexi seeks a Partner Account Manager to identify and acquire new Software Vendor partners. This role involves building compelling business cases, leading negotiations, and driving commercial and technical partnership success.

The HR Administrator will prepare and execute monthly payroll, manage employment contracts, and coordinate with external agencies. They will also prepare reports, act as a contact for stakeholders, and support the recording and correction of attendance times.

Develop and implement global content and narrative strategies for the Energy Practice Area. Collaborate with internal and external stakeholders to execute integrated marketing campaigns across various channels.

Student Worker will assist project teams in identifying requirements for AI-driven use cases and support the design and development of digital tools using Microsoft Power Platform. Collaborate with IT to ensure technical integration and support business adoption of AI-powered solutions.

Medical Science Liaison with Haematology experience needed for a global pharmaceutical company. Develop relationships with healthcare professionals and internal/external stakeholders. Provide clinical and scientific expertise in AML and support medical strategies.

Provides administrative and operational support to the Leasing Director. Manages leasing documents, coordinates meetings, tracks timelines, and prepares reports. Collaborates with legal, finance, and other departments. Requires experience in real estate, accountancy, law, or retail. Strong communication, organizational, and IT skills are essential.

Accounts Payable Accountant responsible for invoice processing, vendor master data, VAT transactions, payment runs, and monthly closing entries. Requires commercial training, financial accounting experience, and proficiency in SAP and MS Office.

Operations Coordinator to support daily management of global dry bulk vessel operations (Handysize to Capesize). Manage post-fixture operations, voyage planning, and bunkering. Support chartering and general office tasks. Degree in maritime studies, shipping, logistics, or related field required. Fluent English, German a plus.

Team Assistant to support Directors, Vice Presidents, and Associates in a leading European private equity firm. Responsibilities include calendar management, travel arrangements, meeting coordination, and administrative support. Fluency in German and advanced English required.

Working Student in Sales & Marketing, Project Management. University studies in Business Administration, Economics, Statistics, Controlling, or related field. Alternatively, IT background with interest in analytical work. Strong analytical skills, data processing experience, and advanced Excel skills required.

Technical Director to lead planning and execution of events, installations, and productions. Develop technical concepts, oversee lighting, AV, and technical integration. Manage technical teams, subcontractors, and budgets.

Experienced Sales professional to cover Germany and Austria, focusing on UCITS related topics. Develop market approach, build relationships with asset owners and fund platforms, and support business development cycle.

Senior Cloud Software Engineer with 7+ years experience in .NET or Golang development. Designs, implements, and supports cloud-based software solutions. Expertise in distributed systems, cloud platforms (Azure, AWS), containerization (Kubernetes), and DevOps practices. Strong communication and collaboration skills.

AI Specialist to design, build, and deploy AI-powered solutions for content creation and management across multiple channels using Microsoft Azure AI services.

Fitness Coach needed to deliver and implement workplace health and fitness programs, provide exercise guidance, and lead fitness classes. Must have a Trainer B license, relevant educational background, and excellent German and English communication skills.

This Key Account Manager role focuses on strategic partnerships for FTTX rollout across Germany. The successful candidate will manage relationships with municipalities, authorities, and partners, driving projects forward and coordinating communication.

Senior Machine Learning Engineer to develop AI-based 3D reconstruction of driving scenes and intelligent traffic participants. Focus on AI model selection, training infrastructure design, and simulation of driver assistance systems. Requires expertise in ML Engineering, MLOps, AI model architectures, and Python. Experience with 3D authoring tools is a plus.

Legal Operations Manager (f/m/d) needed to optimize legal service delivery and enhance operational efficiency. Responsibilities include leading the introduction and optimization of legal technology tools, particularly CLM systems, knowledge management solutions, and legal entity management tools. Strong understanding of legal workflows, legal department best practices, and operational requirements is essential. Proven experience with legal tools, including CLM systems, SharePoint, and entity management tools is required.