java English-speaking jobs in Mainz

Leads Automotive Engineering Team, serving as main contact for OEM customers on non-commercial matters. Manages tire development projects, ensuring compliance with OEM requirements and timely completion.

Delivery Lead supports multiple customer engagements, ensuring successful project outcomes. Manages customer relationships, consultant onboarding/offboarding, and project documentation. Conducts regular checkpoints, monitors project status, and resolves issues. Requires 2+ years of IT experience, strong communication skills (English and German), and project management experience.

Vice President to manage cross-border M&A and ECM transactions, advise clients, and lead pitches. Requires 7-10 years of experience in M&A/ECM/Corporate Finance, strong modeling skills, and fluency in German and English.

Steer and control facility service performance, evaluate external providers, and manage maintenance activities. Support budget planning, identify risks, and ensure compliance with FM operations, safety, and internal requirements.

A11 seeks an experienced Chief Financial Officer to design, operate, and evolve the financial system for a rapidly growing, capital-intensive company. This is a system-building role with active M&A and financing responsibilities. The CFO will own the end-to-end financial operating system, capital structure, and financing model.

Project Manager needed for global expansion. Manage and deliver multiple projects, collaborating with sales and ensuring customer satisfaction. Experience in technology project management, SaaS, and CX preferred.

Leapsome seeks a Head of Growth & Lifecycle to lead the strategy and execution of our global demand engine. This role is responsible for Sales Accepted Opportunities (SAOs), qualified pipeline, and customer expansion revenue. The ideal candidate will architect an AI-augmented growth engine, own the revenue and pipeline mandate, and design market-focused go-to-market strategies.

Leads all financial aspects of a €30m B2B SaaS business undergoing a transition to a scalable, recurring revenue model. Develops financial planning, forecasting, and reporting, supports SaaS model implementation, and drives commercial insight. Builds and leads a finance team, partners with Sales, Product, and Operations, and acts as a key interface to investors.

Lead the expansion of a web-GIS platform into the Italian market. Identify product needs, translate them into actionable tasks, and drive sales. Requires 5+ years experience in a similar role, specialist knowledge of the Italian renewable energy industry, and fluency in English and Italian.

Lead the strategic value-add services for SoSafe, a human risk management platform. Develop a consulting methodology focused on driving behavior change and risk reduction. Operationalize a service catalog and build a successful consulting practice.

NTU International seeks a Senior Agricultural Statistics Expert to support the EU-funded project "EU Assistance for the Uzbekistan AgriFood Development Strategy 2020–2030". The expert will support strengthening agricultural statistics systems, data management frameworks, and evidence-based policy development related to the implementation of the Uzbekistan AgriFood Development Strategy 2020–2030.

Senior IT Project Manager with a focus on demand management. Drive the demand management lifecycle, prioritize business requirements, and lead complex IT projects. Experience in IT Service Management and financial services is preferred.

Internship within a software development team focused on medical robotic systems. Support software project management, systems engineering, and testing. Must be studying computer science, robotics, electrical engineering, mechatronics, or a related field.

Senior Technical Project Manager for embedded system projects in the rail industry. Designs, plans, schedules, and manages projects from bid phase to commissioning. Requires experience with embedded systems, hardware/software development, and project management. Fluency in English and German is essential.

Aircraft Mechanic (all genders) performs assembly, repair, and testing of aircraft systems (hydraulics, oil, cooling, doors, landing gear) according to work orders and technical documents. Requires 2+ years aviation experience, defect recognition skills, quality-oriented work ethic, and advanced English.

Experienced MEP Commercial Lead needed for a flagship hyperscale data center project in Frankfurt. Lead commercial activities for MEP packages, including procurement, subcontract management, cost control, and change management. Proven track record delivering major building services packages for leading main contractors on complex construction projects required.

Study Physician responsible for medical oversight of clinical trials from design to reporting. Requires MD degree, minimum 4 years clinical practice experience, and specialization in a relevant field. Experience in pharma industry or CRO preferred.

Vibracoustic seeks a Plant Manager to lead and develop a high-performing team. The role encompasses full responsibility for plant performance, including cost, quality, delivery, output, and profitability. The Plant Manager will drive a strong safety culture, implement lean management principles, and ensure effective collaboration across functions.

A Postdoctoral Researcher is sought to lead a project investigating the intersection of hematopoietic stem cell homeostasis and long-term immunity. The role involves designing and performing experiments using animal models and human cells, analyzing data, and collaborating within a research team.

Responsible for EMEA-wide sales of chemical products/intermediates, including acquisition and retention of industrial customers. Develop and implement sales promotion measures, introduce new products, and conduct market analysis. Requires a Master's degree, product knowledge in isoprene and butadiene derivatives, and experience in specialty chemical sales. Strong communication, relationship-building, and analytical skills are essential.