java English-speaking jobs in Mainz

Thesis student in the Charging Interfaces Team will investigate and implement a charge communication controller as a software component for electric vehicle charging.

Vice President to manage cross-border M&A and ECM transactions, advise clients, prepare pitches, and mentor junior team members. Requires 6-10 years of experience in M&A/ECM/Corporate Finance, strong modeling and analytical skills, and fluency in German and English.

Head of R&D for low-voltage cable accessories up to 1 kV. Manage a team of three, lead new development and optimization projects, and create 3D designs. Requires a mechanical engineering degree, CAD expertise (Creo), and knowledge of relevant testing standards.

The IT Security & Remote Access Administrator will set up, operate, and develop remote access and VPN infrastructures. Responsibilities include creating documentation, analyzing system malfunctions, and advising stakeholders on secure remote access.

DevOps Engineer to join the Research Enablement team. Manage Kubernetes-based application tier across Azure and hybrid environments. Shape cloud architecture for research workloads. Experience with Terraform, Helm, and cloud networking required. Strong communication skills in English.

Drive and operate trucks with integrated loading cranes, transporting materials to construction sites and customers. Safely load and unload goods using a crane, ensuring professional load securing. Maintain the vehicle and crane system, adhering to legal regulations and communicating effectively with dispatch and customers.

Develop, implement, and expand the sales strategy for Citrix in the commercial segment. Acquire new customers, reactivate former clients, and strengthen market presence. Collaborate with country teams and EMEA teams to achieve sales goals.

Transport building materials regionally, delivering pallets to customers, unloading with a crane or forklift, ensuring secure loads and compliance with regulations.

Experienced Java Developer/Engineer with Quarkus expertise needed for API migration from Mulesoft to Java as part of a legacy system modernization to microservices.

Specialist Pediatric Surgeon needed for a reputable German government hospital. Provide surgical care to pediatric patients, perform complex procedures, and collaborate with a multidisciplinary team.

Drive commercial strategy and expand client portfolio by developing and executing go-to-market plans for AI solutions in the Benelux region. Pitch and close comprehensive AI packages, combining platform, cloud, custom development, and consulting. Engage with C-level executives, framing AI as a core business driver and navigating discussions around ROI, data privacy, and AI architectures. Manage complex sales cycles, from scoping and POC validation to negotiating enterprise agreements. Collaborate with internal teams to design tailored solutions and ensure seamless project delivery.

Serves as a dispatcher at the USAG Fire Alarm Communications and Control Center. Operates the emergency desk, receives and processes fire, medical, and other emergency calls. Dispatches responders, including fire departments, emergency medical services, and military police. Maintains fire alarm and detection systems, logs information, and prepares reports. Requires knowledge of fire response procedures, emergency protocols, and communication systems.

Implementation/Client Onboarding Specialist to manage end-to-end implementation projects for veterinary customers in Germany, Austria, and Switzerland. Deliver remote and onsite training, configure software, and build relationships with stakeholders. Fluency in German and English required.

The German University of Digital Science seeks two Professors for Digital Law and Digital Media. Successful candidates will have a doctorate, habilitation, or equivalent research and academic achievements. They will possess extensive experience in digital teaching, interdisciplinary research, and acquiring third-party funding.

Develop and advance ISCC's sustainability and certification framework for biomass-based fuels, with a focus on biogas, biomethane, and bioLNG. Support and strengthen the ISCC EU certification scheme, including traceability, chain of custody, and greenhouse gas aspects.

PhD position in machine learning and computer simulations for materials and process design. Develop novel machine learning models to enhance or replace computational engineering methods.

Coordinates and charters dry cargo vessels, negotiates freight rates, and represents the company to customers, partners, and suppliers. Prepares quotations, records orders, and creates invoices.

Functional Safety Engineer will design and implement fail-operational architectures for Level 4 and 5 autonomous driving. Responsibilities include directing the ISO 26262 process, performing Hazard Analysis and Risk Assessments, and developing safety requirements.

Develop and implement communication strategies for digital and AI business transformation. Translate complex digital topics into clear narratives for diverse audiences. Collaborate with country organizations, partner ecosystems, and digital business units. Create high-impact content and support executive communication.

Co-Founder / Chief Revenue & Marketing Officer (CRMO) will own GTM strategy, execution, and reporting for a pre-revenue AI hiring platform. Responsibilities include building the sales pipeline, developing partnership models, and shaping product and pricing. Requires 5+ years of experience in HR-tech, SaaS, or recruiting with proven GTM experience and understanding of the EU recruiting market.