java English-speaking jobs in Mainz

Team Lead Marketplace Management / Amazon Consulting will manage sales and marketing of client products on marketplaces, focusing on Amazon Seller Central. Responsibilities include onboarding new customers, ensuring account growth, and leading a team of 3-5 ecommerce professionals.

Manage renewals, build customer relationships, and drive expansion through cross- and upselling for TeamViewer's Digital Workplace platform in the Nordics region.

Senior Software Engineer to join the Orion - Supply Division team. Develop and maintain a critical product optimizing Flix's coordination with Mobility Partners. Collaborate in a distributed, self-organized team, driving technical decisions and product development. Experience with Java, Spring/Spring Boot, Kafka, MySQL/Postgres, Redis, MongoDB, and AWS required.

IT Network Administrator responsible for system deployments, maintenance, and support. Requires expertise in IT networks, telecommunications, security, and high-availability concepts. Strong ITIL knowledge and communication skills are essential.

Electrical, Instrumentation & Control Engineer (m/f/d) will plan, implement, and modernize EMSR, automation, and electrical systems for energy and environmental plants. Responsibilities include technical design, project execution, and support of manufacturing, installation, and commissioning activities.

Experienced Project Manager to support biologics testing programs within a GMP Contract Testing Organization. Manages project scope, timelines, budgets, and client communication. Ensures timely, compliant delivery of projects. Requires fluency in English, a Bachelor's degree in a relevant field, and 4+ years of project management experience in a laboratory or research environment.

Yamaha seeks a VAT and Accounting Specialist to analyze VAT issues, coordinate filings, and manage withholding tax matters. The role involves preparing VAT returns, conducting reconciliations, and assisting with cost allocations. Strong German tax knowledge and accounting skills are required.

This position supports the management, control, and administration of complex, large dollar, equipment maintenance and repair contracts. Responsibilities include developing equipment specifications, participating in pre-award surveys, conducting site visits, and resolving contract performance issues. The incumbent serves as a Contracting Officer Representative (COR) and ensures contract compliance, monitors contractor performance, and recommends contract modifications. Requires office automation skills, a valid driver's license class B, and English and German language proficiency at level C1.

The Director Security Consulting (CEU, GEA, and SEU) drives security-related sales and project delivery across Europe. Responsibilities include market analysis, client acquisition, proposal development, project management, and security offering development.

Develop and execute community growth strategies for the UK market. Plan and publish localized content, moderate user-generated content, and execute online and offline campaigns.

Assistant Kitchen Manager supports daily meal production and kitchen operations. This hands-on role involves food preparation, quality control, and team coordination. Requires cooking experience, knowledge of HACCP practices, and strong communication skills.

Experienced CFO to lead financial strategy, transformation, and performance management across Finance, Controlling, Procurement, and IT for a century-old industrial manufacturing company.

Lead SEO strategy and execution for affiliate websites, including on-page and off-page optimization, backlink campaigns, and content audits. Launch new affiliate sites from concept to launch. Manage and develop a team of SEO Content Managers.

Team Lead responsible for the successful sales and marketing of client products on marketplaces, with a focus on Amazon Seller Central. Manages a team of 3-5 ecommerce professionals, providing guidance and expertise on Amazon strategies. Requires 6+ years of experience in online marketing and ecommerce, with a proven track record in Amazon Seller Central.

Senior Analyst will design, evolve, and maintain group-wide price forecasting methodologies. Responsibilities include model reviews, market analysis, and stakeholder management. Requires a Master's degree in a quantitative field and 5-7 years of experience in energy markets.

The IT Manager oversees outsourced and internal IT services for a large, geographically distributed hotel network. Responsibilities include managing vendors, coordinating projects, supporting hotel openings, ensuring compliance, and contributing to the organization's digital strategy.

Account Executive to drive sales growth in the automotive and mobility sectors. Full sales cycle ownership, from prospecting to closing deals. Experience selling SaaS, AI, or data solutions to enterprise customers in the automotive industry required. Fluency in English and German essential.

Intern/Trainee to support translation, travel, and reception tasks for a leading international communications agency. Responsibilities include coordinating assignments, managing supplier communication, and assisting with office administration. Requires strong organizational skills, fluency in German and English, and proficiency in MS Office.

As a System Owner for SAP Controlling, you will manage and improve the SAP CO module, including Investment Management and Project System. You will lead international SAP CO projects, handle change and release management, and provide 2nd level support. You will also evaluate and implement innovative technologies.

Provide comprehensive operational and administrative support to executive leadership. Serve as primary liaison between internal teams and external stakeholders. Manage complex scheduling, coordinate meetings, and plan events.