java English-speaking jobs in Mainz

Support and drive the transformation of Nestlé's media communications and global partnerships to accelerate business growth. Collaborate with stakeholders to track progress of activation and success against strategic media guidelines. Identify and assess new potential partners, and support the operationalization of partnerships.

Senior Project Manager needed for immersive experiences in cultural attractions and theme parks. Must have construction experience, managing subcontractors, and experience with museums, cultural attractions, and theme parks. Remote position with occasional travel.

Provides operational and administrative support to the European sales team. Maintains customer information, prepares sales documents, and coordinates order processing. Assists with customer inquiries, report preparation, and internal coordination tasks. Fluent in Chinese and English required.

Senior Fullstack Software Developer sought for a role combining .NET/C# backend development with Angular/TypeScript frontend technologies. Requires 5+ years of experience in fullstack development, strong understanding of distributed systems and databases, and proficiency in clean coding practices. Must be fluent in German (C1/C2) and English.

Sales Operations Analyst needed to manage partner onboarding, including contract setup, account creation, and inquiry routing. Responsibilities include maintaining PowerBI dashboards, conducting business analyses, and optimizing sales processes. Requires experience in Salesforce, PowerBI, DAX, and SQL.

Develops marketing strategies, creates content, and manages KOL relationships to achieve monthly goals. Executes SEM campaigns, optimizes content for SEO, and collaborates with design and development teams.

Experienced Health & Safety Manager needed for a major data centre construction project in Berlin, Germany. Develop, implement, and maintain project-specific H&S plans, procedures, and method statements. Conduct site inspections, audits, and risk assessments ensuring compliance with local regulations and company standards. Support construction and MEP teams in safe planning of high-risk activities. Investigate incidents, near misses, and non-conformance. Manage subcontractor H&S performance.

HiBob seeks a Director of Pricing to lead pricing strategy and execution across all customer segments and geographies. This role will design and optimize pricing models, packaging strategies, and monetization frameworks. The ideal candidate has 5+ years of experience in B2B SaaS pricing and a proven ability to develop enterprise-grade pricing models while preserving agility for SMBs.

Staff Engineer will build Agentic AI solutions for oncology research, developing and supporting tools for genomics, pathology, and clinical trials. Requires a relevant graduate degree and 10+ years of experience in software engineering, data science, or a related field. Must have hands-on experience building and deploying Agentic AI systems and strong Python and/or TypeScript skills.

Drive and assist in HR transformation efforts within the global Workday team. Supervise the configuration design and global roll-out of Workday Absence and Time Tracking. Collaborate with global HR process owners, developers, and stakeholders.

Lead and shape peptide and peptide-conjugate discovery projects, from ideation to development candidates. Design novel chemical matter, generate SAR understanding, and contribute expertise within interdisciplinary teams.

Junior Category Manager (m/f/d) will analyze and optimize pet food formulations, pricing, and product data. Responsibilities include evaluating formulations, creating pricing calculations, and ensuring data quality in PIM systems.

Senior Demand Planning Manager leads and owns demand forecasting for a portion of the SKU portfolio, ensuring accuracy and alignment with business objectives.

PubMatic seeks a Sales Director for its Advertiser Solutions team in Hamburg. This role focuses on driving new client acquisition, building relationships with agencies, brands, and DSPs, and representing PubMatic at industry events.

Data Platform Engineer will design, build, and maintain scalable data infrastructure on AWS and Kubernetes. Responsibilities include developing and operating streaming and data platform components, implementing monitoring and tooling, and collaborating with data analysts and scientists.

Prepares and publishes the Group's external financial reports, including annual and interim financial statements, the management report, and regulatory filings. Ensures compliance with IFRS and internal reporting standards. Manages and develops the disclosure tool, prepares and reviews notes and disclosures, and ensures alignment with consolidated figures, accounting policies, and reporting requirements.

Senior C++ Engineer to develop and maintain a full stack service suite for a Local Positioning System (LPS) based on Ultra-Wideband (UWB) technology. Responsibilities include designing APIs, enhancing system testing, and extending services using modern technologies. Experience with C++, build systems, containerization, and testing frameworks is required.

Lead SAP S/4 HANA Fashion consultant needed for 3+ month firefighting assignment. Strong OTC capabilities and leadership skills required to analyze, prioritize, and manage issues in the OTC stream. Remote work with potential travel to the US in May.

Develop utility-scale PV and BESS projects from site identification to construction readiness. Manage permitting, grid connection, and stakeholder coordination.

Experienced Project Planner needed for large-scale projects in Frankfurt. Develop and manage project programmes, track performance, and prepare planning requirements. Collaborate with project teams and stakeholders.