java English-speaking jobs in Mainz

Drive the future of spinal deformity therapy in Germany as a Sales Representative. Combine your sales expertise with clinical understanding to establish innovative solutions in the market. Collaborate with leading spine surgeons, support complex procedures, and contribute to improved patient outcomes.

Shape the end-to-end customer journey for a new premium overnight train service across Europe. Design seamless experiences across digital and physical touchpoints, translating complex operations into user-friendly interactions.

With Geis as your employer, you are on the path to success. Geis believes in its employees; Geis believes in you. For our office in Gonderange, Luxembourg, we are looking for a professional who sees every shipment as a reflection of our company's standards. In this role, you will help safeguard our strong market reputation while bringing fresh ideas to refine and enhance our operations.

Working student supports daily carrier operations, monitors KPIs, and collaborates with internal stakeholders. Requires enrollment in a German university, availability for a part-time role, and strong communication and data analysis skills. Fluency in English is required, additional language proficiency is a plus.

Construction Manager/Site Supervisor needed for infrastructure projects in Berlin and Brandenburg. Manage projects from HOAI phases 6-9, oversee construction, and coordinate with clients, contractors, and authorities.

Customer Relations Intern to provide product and service information, resolve customer issues, and collaborate with team members. Must have excellent German (C2) and English communication skills, strong Excel skills, and experience with online/offline marketing.

Resident Engineer (m/f/d) supports a major OEM customer in southern Germany, acting as a central point of contact between the customer and TE Connectivity's engineering departments for high-voltage projects.

Manage strategic, complex, international projects for air traffic control solutions. Lead project teams, coordinate stakeholders, and ensure project success in terms of time, cost, quality, and customer satisfaction.

Contract Attending Radiologist needed to author, review, and annotate technical tasks for AI model performance evaluation in diagnostic imaging. Must be a Board-certified Radiologist, Pathologist, or equivalent imaging-focused physician with 3+ years of active clinical practice.

Engineer IT/OT Systems ensures stable, secure, and connected IT/OT systems in a manufacturing environment. Collaborates with production teams to solve connectivity issues, support applications, and contribute to IT/OT infrastructure development.

Delivers and picks up packages to residential and commercial properties. Practices safe driving methods and ensures customer service through efficiency. Must be able to lift up to 70 lbs.

Administrative Support professional to join a team in Germany. Support day-to-day office operations, digitalization initiatives, and ensure smooth administrative processes.

Drive a van for deliveries between warehouse and cafes, ensuring timely and accurate deliveries. Manage stock levels, assist with inventory, and pick/pack customer orders. Support warehouse and cafe operations with a focus on safety and organization.

Head of Engineering will define backend architecture standards and technical directions for agency projects. Oversee middleware orchestration, data & orders, integrations, and logistics. Lead technical recruitment and mentor Lead Developers and DevOps Engineers. Expert PHP (Laravel), architectural design, AWS, and infrastructure experience required.

Working student to support daily operations of Corporate Communications EMEA. Manage communication channels, conduct research, and assist with campaign development.

Experienced Analytics Engineer/Databricks Consultant needed to design and develop scalable analytics solutions. Focus on Databricks SQL, Unity Catalog, AI/BI Dashboards, and semantic layer design.

Experienced finance leader to manage group accounting, tax, and compliance functions. Oversee consolidated reporting, ensure financial governance, and support international subsidiaries.

Aircraft Technician (B1/B2) performs aeronautical maintenance activities, provides technical instructions, and certifies completed work. Requires AML according to EASA Part-66, experience in civil aviation maintenance, and fluency in technical English.

Test and verify new ERP developments, including functionalities and integrations. Prepare and execute functional, performance, and user acceptance tests. Develop and implement QA procedures and testing standards for Microsoft Dynamics Business Central.

Senior Cyber Security Architect responsible for group-wide technical cybersecurity architecture across cloud and on-premise environments. Develops security standards, drives best practices, and ensures secure software development lifecycle.