java English-speaking jobs in Mainz

Senior Software Developers with 5+ years of experience in Text Analytics and NLP are needed to develop proof of concept systems. Must have experience with data collection from various sources and validating accuracy. Strong computer science background and evidence of original work required.

The Leibniz Institute for Natural Product Research and Infection Biology seeks a Scientific Communication, Public Relations, and Events Officer to prepare and communicate research results and activities, particularly for the INCATE project. Responsibilities include writing accessible texts, supporting public relations activities, organizing events, and developing communication materials. The ideal candidate has a degree in media, communication, journalism, or public relations, or a natural science degree with proven science communication skills. Fluency in German and English is required.

As Customer Care Content & Quality Lead, you will define, improve, and maintain global customer care standards. You will drive content strategy, quality assurance, and continuous improvement initiatives, ensuring consistent, high-quality support across all markets.

Designs and builds embedded mapping and routing solutions for in-vehicle infotainment systems. Integrates third-party map providers and develops software development kits. Requires expertise in C++, embedded operating systems, and automotive data protocols.

Design eCommerce funnels, Amazon listings, and DTC product pages. Create visual experiences that communicate clearly and convert. Work with marketers and copywriters to shape funnel strategy.

Master Data Manager / Technical Master Data Specialist will review, create, and maintain material master data in the ERP system. Responsibilities include spare part preselection, examination of CAD models, creation of spare parts lists, and collaboration with internal and external stakeholders. Requires a university degree or technical vocational training with experience in material data management, technical writing, and ERP systems.

Operations Team Member for Zara Home in Hamburg. Full-time, permanent contract. Ensure smooth stockroom operations, managing product flow and organization. Previous stockroom experience is a plus.

Amazon seeks a Transportation Audit & Compliance Specialist to assess carrier compliance with contractual and legal requirements. The role involves conducting audits, investigating suspicious activity, and preparing reports.

Technical Writer will update existing documentation, write release notes, and collaborate with teams to ensure accuracy. Requires experience in technical writing, proficiency in English (C1 level or above), basic music production knowledge, and familiarity with development workflows and tools.

Lead IoT Solutions Engineer will design, build, and integrate IoT devices for commercial or industrial applications. Responsibilities include hardware integration, Linux-based systems management, edge computing deployment, data analysis, and project management.

M&A and Strategic Projects Manager to drive buy & build strategy through identification, analysis, and implementation of transactions. Manage M&A process from start to finish, including post-merger integration. Build and develop acquisition pipeline, work with entrepreneurs, and drive strategic projects. Requires multiple years of experience in sourcing and executing deals in Germany's mid-market, ideally within IT services or business services. Fluency in German and English is required.

Cloud Engineer (Azure) will design, set up, and operate core cloud infrastructure. Responsibilities include integrating cloud services into the Developer Platform, implementing infrastructure as code, utilizing Azure services, and managing CI/CD pipelines.

The Max Planck Institute for Solid State Research seeks a Research Coordinator to provide administrative, scientific, and event support for a new experimental department. Responsibilities include managing correspondence, coordinating travel, assisting with grant writing, and organizing scientific events.

Intern to research e-Powertrain system architecture, housing & cover parts manufacturing, and EDU supply-chain in Europe. Requires a college degree in Engineering, Catia V5 skills, and 3+ years of automotive industry experience.

The Sr. Manager Office & Operations will oversee office facilities, vendor relationships, and administrative operations. Responsibilities include managing IT hardware, office equipment, and furniture, coordinating service providers, and collaborating with the US headquarters. The ideal candidate has experience in office management, facility management, procurement, and contract negotiation.

Leads the consumer experience roadmap, uncovering opportunities through user research and data. Aligns UX choices with business outcomes like activation, retention, and revenue growth. Drives product decisions with data, user studies, and instinct, focusing on results. Partners with Finance, Business, Marketing, and Analytics to tie product decisions to profitability. Leads cross-functional teams, fostering a test-and-learn culture. Brings gaming/social-first instincts to experience design.

Temporary package handler needed for one year. Responsibilities include sorting, scanning, loading, and unloading packages in a fast-paced environment. Must be a team player, complete required training, communicate effectively, and have attention to detail.

Junior Creative Designer to create static and motion assets for paid acquisition campaigns and organic social media content. Must be proficient in Figma, Adobe Creative Suite, and have a strong portfolio demonstrating experience in both static and motion design. Multilingual fluency in English plus at least one other European language is required.

Senior Product Designer will contribute to the design, development, and delivery of Corporate Cash Management products. Responsibilities include running design workshops, performing design reviews, and creating user-friendly applications. The ideal candidate will have experience explaining design processes, structuring projects, and creating comprehensive specifications using Figma.

Ensure timely global approvals for products featuring radio technologies. Take technical ownership of RF and EMC compliance, research and interpret regulations, and develop approval concepts. Coordinate with internal and external partners to secure on-time market access.