java English-speaking jobs in Mainz

Lead the vision, strategy, and roadmap for a casual Facebook Instant game. Manage live operations, events, and the in-game economy. Prioritize features for LTV impact and use data to boost engagement, retention, and monetization.

Assistant Store Manager supports the Store Manager in daily operations, deputizes in their absence, and ensures sales goals are met.

Internship/Thesis focused on process simulation for sustainable chemical production. Develop and run simulations, integrate kinetic models, and support technical assessments. Must have strong fundamentals in thermodynamics, reaction engineering, and process simulation software.

Supports the COO in day-to-day operations, planning, and coordination. Drives operational projects and ensures structured execution across teams. Coordinates communication between leadership, product, sales, and implementation.

Leads projects related to Digital Engineering strategy, defines and improves Digital Engineering capabilities, and acts as a subject-matter expert in selected domains. Supports cross-functional collaboration and drives implementation of Digital Capabilities in projects. Analyzes engineering workflows and contributes to the definition of metrics to assess the effectiveness of Digital Engineering solutions.

The Project Workshops & Collaboration Facilitator will plan, design, and moderate workshops and group discussions for BAMF, supporting EUAA's operational environment. Responsibilities include defining objectives, managing logistics, guiding collaborative processes, and producing reports.

Sales Development Representative will identify and engage prospects in the DACH region, focusing on personalized outreach and building a strong customer pipeline. Collaborate with Enterprise Account Executives and Marketing to ensure alignment on account strategy and messaging.

As a Senior Customer Success Manager, you will support and advise customers on the application and integration of Skribble, ensuring successful rollout and maximizing value. You will also identify expansion opportunities, collaborate with product, partnerships, and marketing teams, and negotiate contract renewals.

Manager for global digital healthcare solutions commercialization, focusing on nursing care. Drive market launches, support customer implementations, and ensure value delivery. Collaborate with sales, marketing, and digital teams.

The Project Logistics and Transport Specialist will be responsible for specifying and communicating hardware and logistics activities for high voltage cable installations. This role involves supporting the design of logistics equipment, verifying technical documents, and translating logistic concepts into technical requirements. The successful candidate will have a minimum of 3 years of experience in heavy-, oversized multimodal transportation and proficiency in CAD software.

Provide strategic consulting support to European Management, drive business transformation projects, and act as a trusted advisor. Lead complex projects, analyze market trends, and develop actionable recommendations for senior leadership.

Support the Graphic Design & Motion team creating visual assets for digital campaigns, social media content, and video editing.

Internship supporting the Health, Safety, Environment, and Sustainability Europe department. Assist with campaign development, document creation, process guideline implementation, and HSE audit support.

Operates and monitors short-cycle machines, ensuring product specifications are met. Performs preventative maintenance, troubleshoots basic issues, and tracks production and quality records.

PhD student position available for combinatorial synthesis and high-throughput characterization of thin film high entropy materials for CO2 reduction.

Support the marketing team in managing product image and visual asset processes. Act as the key interface between Marketing, Content Creation, and Production teams. Manage image production projects, including sample planning and coordination of freelancers, photographers, and external partners.

Provides accounting technician support for reimbursable program operations. Duties include reviewing financial documentation, processing vendor invoices, and establishing financial transaction records. Assists with reconciliation activities, calculates usage costs, and provides customer service support related to billing and usage information. Requires 2 years of general experience plus 1 year of job related experience or completion of a relevant apprenticeship. Must possess a valid driver's license class B and be able to obtain/maintain a military motor vehicle operator's license. English and German language proficiency level C1 required.

Experienced Clinical Trials Assistant supports project teams in executing clinical trials. Responsibilities include updating clinical documents, handling documentation and reports, assisting with study file reviews, and managing clinical supplies and data. Requires a bachelor's degree or equivalent, 2+ years of experience in clinical research, knowledge of GCP and ICH guidelines, fluency in German and English, and proficiency in Microsoft Office Suite.

Develop and implement innovative equity index methodologies for clients. Design equity index strategies across various areas, with a focus on thematic and ESG index developments. Conduct market research and support clients with technical and professional expertise in equity strategies.

Experienced Endur Consultants lead the implementation and upgrade of Endur for Commodity or Energy markets, specializing in deal modeling, risk management, and accounting.