java English-speaking jobs in Mainz

Manage shift procedures, oversee reception desk operations, and ensure smooth guest check-in and check-out processes. Train new employees and trainees, optimize processes, and contribute to guest satisfaction.

As a TOM Technician, you will implement technical solutions and provide support for computer and electronic hardware, operating systems, and software used in Amazon Transportation Services yards. You will manage technical tickets, troubleshoot problems, and maintain inventory.

This role is a HR anchor for German operations, managing both strategic advisory and operational HR tasks. Responsibilities include employee journey management, advising managers on HR matters, collaborating with the Works Council, ensuring legal compliance, and supporting HR audits.

Frontend Developer needed to build a scalable event discovery platform using Next.js and React. Collaborate with product owners, tech lead, backend and mobile developers to shape the user experience. Must have 4+ years of frontend development experience, strong React and Next.js skills, and experience integrating REST APIs.

Leads the development and implementation of people systems to support company growth. Partners with leadership to design talent systems, organizational structure, and workforce planning. Establishes performance frameworks, development pathways, and talent retention strategies. Provides workforce insights and data-driven recommendations to guide decision-making.

Responsible for the strategic development and sustainable orientation of the Maintenance business field, including milling, grinding, switch processing, and monitoring services. Develops and scales the business field globally, manages international segment managers, and ensures optimal capacity utilization. Requires a university degree, international leadership experience, and fluency in English.

Support the Voith Group Turbo Division in tracking customer complaints and ensuring timely processing. Develop global guidelines for handling customer portals and integrate data capture forms into customer contracts. Assist in improving goodwill policies and managing damaged parts inventory.

Develop and support components for eBike drive systems, focusing on robustness, durability, and NVH performance. Design, create documentation, and support components throughout the product lifecycle. Collaborate with suppliers and project teams.

Lead global, high-complexity procurement initiatives and projects across your specialized Category. Design and execute sourcing and supplier strategies balancing value, quality, innovation, and risk. Run high-value RFX processes and negotiations, including complex commercial and contractual terms.

Leads and structures the global Internal Audit (IA) team, defining the IA charter, audit strategy, and methodology. Manages the global IA budget and oversees audits covering financial reporting, IT general controls, and MAR/disclosure controls.

The Deputy Head of Investment Promotion supports the Head of Investment Promotion in driving investment promotion activities in Germany, Austria, Czechia, Hungary, Poland, the Slovak Republic, Slovenia, and Switzerland. Responsibilities include implementing the annual business plan, developing networks, organizing investment promotion visits, and collecting market intelligence.

Lead the design efforts for major, complex, and high-visibility infrastructure projects. Define and execute delivery strategies, provide overall project leadership, and manage large, multidisciplinary teams. Build and maintain strong client relationships and collaborate with international colleagues.

As a Portfolio Manager, you will own the global product strategy for assigned product lines, creating roadmaps and business cases to drive innovation and growth. You will champion new product development, act as the voice of the region, and manage the entire product lifecycle.

As a Computer Scientist, you will ensure high-quality global master data and support efficient end-to-end processes. You will define and manage global master data processes, analyze data setups, and drive improvements in data quality. You will also organize knowledge exchange and provide training on consistent process application.

Support the leadership team in market analysis, strategy, and data-driven decision-making. Tasks include market research, analytics, and strategic support. Requires analytical skills, experience with business analytics, and proficiency in Google Sheets.

Lead software development teams within the Agile Release Train (ART) Underwriting, focusing on underwriting applications. Drive the adoption and improvement of AI-supported development practices. Develop AI literacy and engineering excellence within teams.

Scientist with a completed scientific degree in Physics, Electrical Engineering, or a related field is sought. Experience in the design and realization of fiber lasers and related measurement techniques is required. Knowledge of fiber optics, micro optics, or simulation of fiber lasers is advantageous. Fluency in German (B2/C1) and English (at least B2) is essential.

As a Salesforce Specialist, you will design, build, and maintain automations, integrations, and custom features for HeyJobs' CRM environment. You will ensure data accuracy, seamless processes, and scalable growth for the Sales teams.

Global Procurement Manager responsible for subcategories within Finished Products portfolio. Develops and implements global sourcing strategies, manages international suppliers, and collaborates with cross-functional stakeholders.

The MLOps Engineer will onboard and deploy AI models into production inference workflows, package and deploy models as containerized inference endpoints, and define and operate validation gates. Responsibilities include running and maintaining BLABLADOR as an operational inference suite, ensuring reliability through monitoring, logging, alerting, and incident response. The role also involves tuning inference services to optimize latency, throughput, and multi-tenant fairness.