java English-speaking jobs in Mainz

Lead a world-class engineering organization for a high-growth fintech company. Shape technical architecture, engineering culture, and product velocity. Build and scale an in-house team, transitioning from an outsourced model.

The Environmental Health & Safety (EHS) Manager develops, implements, and maintains a comprehensive EHS strategy for MSA M&C locations in Aach and Ratingen. This role involves leading risk assessments, delivering EHS training, overseeing waste management, and supporting sustainability initiatives. The EHS Manager ensures compliance with local, regional, and global standards and drives all EHS-related programs and projects.

The Stellantis Graduate Program (GPS) Manufacturing is a European early-career program for high-potential graduates. The program combines technical responsibility, international exposure, and structured development to prepare participants for leadership roles.

Experienced Interim Senior Operations Manager needed for a six-month contract with a fast-growing logistics organization. Responsibilities include overseeing daily operations, partnering with the Head of Operations to build a stronger operational structure, and managing relationships with 3PL partners.

Electrical Engineer to lead power-conversion projects from concept to delivery. Manage customer relationships, technical solutions, and project schedules. Experience with power converters, inverters, drives, and industrial electrical systems preferred.

Experienced SAP CFIN Architect sought for advisory role. Lead Central Finance implementation design, ensuring robust, scalable solutions aligned with business needs.

Peroptyx seeks Data Analysts to review mapping data for digital applications. Responsibilities include verifying business information, distances, and ensuring route accuracy. Must be fluent in English and German, possess excellent research skills, and have strong local knowledge of Germany. Must pass an online exam and be willing to work a minimum of 10 hours per week.

Deliver groceries to customers efficiently by e-bike or e-scooter. Maintain a high level of customer service and consistently meet or exceed delivery targets. Earn at least €13.90 per hour plus tips. Must be at least 18 years old, have a work permit in Germany, and speak English or German.

Lead Infrastructure Engineer responsible for enterprise Disaster Recovery strategy, framework, and governance. Conduct Business Impact Analysis, plan and execute Disaster Recovery exercises, and ensure backup and recovery solutions meet regulatory requirements.

Design electrical systems for industrial-scale solar thermal plants, including heat tracing, architectures, and instrumentation. Collaborate with engineering teams, EPC partners, and suppliers to develop robust, scalable solutions. Support project delivery, testing, commissioning, and troubleshooting.

As a Senior SAP PTP/MM Consultant, you will analyze, optimize, and develop tailored solutions within the SAP MM/PTP environment. Responsibilities include requirements gathering, customization, implementation, and integration with modules like FI, CO, WM/EWM, and SD. You will also identify, evaluate, and implement automation, digitization, and AI-supported solutions.

Manages SAP S/4HANA projects, including planning, stakeholder collaboration, system implementation, risk management, training, and performance monitoring.

The Quality Operator develops, reviews, and maintains Standard Operating Procedures (SOPs) while ensuring quality standards across production operations. This role involves conducting audits, analyzing data, and driving continuous improvement initiatives.

Lead execution of sell-side and buy-side mid-market transactions, manage client relationships, and mentor a team of analysts and associates.

IT Infrastructure Expert (m/f/d) will ensure secure and reliable network access for employees. Responsibilities include managing cloud printing infrastructure, WAN/LAN/Wi-Fi/VPN/proxy/firewall, meeting room equipment, and mobile device management.

Experienced Energy/Commodity trading professional to lead and support new product implementations and updates. Drive commercial prioritization, manage Single Deal Approvals, and steer the implementation roadmap.

The Project Contract Manager supports disciplined commercial delivery across EGA's automation portfolio. Responsibilities include managing contracts, monitoring supplier performance, reconciling budgets, and managing change processes. The role requires experience in contract administration, supplier management, and cost control within complex engineering projects.

Leads company-wide transformation and project portfolio, ensuring transparency, strategic alignment, and prioritization. Drives execution excellence and measurable business outcomes for major transformation initiatives. Partners with business functions, HR, and Communications to enable sustainable organizational and cultural change.

Experienced HR Business Partner to drive people strategies and manage full spectrum of HR activities for a growing German team. Collaborate with business leaders and the China headquarters to implement global HR initiatives.

Logistics Operations Manager needed for SHEIN's Frankfurt office. Manages and escalates B2B and B2C import declaration customs issues for shipments within Europe. Requires 3+ years of experience in European cross-border e-commerce and traditional general trade customs operations.