java English-speaking jobs in Mainz

The Chief Technology Officer (CTO) will lead the technology strategy and execution for EY's SaaS Centre of Excellence (CoE). This role requires a deep understanding of software development, cloud technologies, and industry trends. The CTO will collaborate with global teams to design, develop, and deploy scalable SaaS solutions, ensuring delivery quality and roadmap execution.

Leads the Customers & Products SAP S/4HANA (Quantum) transformation and aligns digital, data, and AI investment roadmap with business strategy. Manages a team of 50-60 professionals and drives process harmonization and value delivery across a global organization. Requires experience in large-scale business and systems transformation, SAP S/4HANA implementation, and digital portfolio governance.

The General Manager is responsible for the performance of the German market, including market development, operations strategy, fleet management, and public policy. This role reports to the Regional General Manager - DACH & Southern Europe and requires full P&L responsibility, strategic planning, and team leadership.

ERM seeks a Partner to drive growth and deliver sustainability solutions for transmission infrastructure projects in Germany and surrounding regions. The role requires extensive knowledge of the German energy market, proven success in consultancy, and strong client relationship management skills.

Partner Manager will own the DACH partner lifecycle, from recruitment to growth. Develop and execute the DACH partner strategy, recruit and onboard partners, and drive revenue through joint sales opportunities.

The Chief Information Officer will lead the IT organization, managing a team of 14 employees and external service providers. Responsibilities include strategic and operational oversight of SAP applications, IT infrastructure, and security. The CIO will develop and execute the IT strategy, manage the IT budget, and ensure stable, secure, and high-availability IT operations.

Leads a sales team to develop and win new business opportunities for sensor-rich solutions in the automotive industry. Responsible for revenue generation, sales administration, team development, and sales strategy. Requires a university degree and proven leadership, communication, and organizational skills.

Leads global product vision and roadmap for PUDO (Pickup and Delivery) networks, balancing convenience, cost efficiency, and scalability. Manages a team of product managers, driving innovation and differentiation in customer experiences. Requires 10+ years of product management experience, including leadership roles, with a focus on logistics, shipping, or network-based products.

Founding Product Engineer / CTO to build and lead the technical foundation of a new AI-powered financial assistant for people under financial stress. Architect and build the mobile product (React Native, TypeScript, Tailwind), define backend architecture and APIs, and design infrastructure for secure financial data handling. Work with the CEO to turn complex financial data into intuitive user experiences.

Cybersecurity Project Manager to lead and coordinate IT and security initiatives across Europe and APAC. Translate technical requirements into actionable project plans, manage project timelines and risks, and ensure alignment between security architects and IT teams.

Provide administrative support for a Product & Engineering General Manager team. Manage meetings, workshops, and events. Create presentations and correspondence.

North Vector Dynamics seeks a part-time European Sales and Partnerships leader to develop the European market for defense technology. The role involves managing the full sales cycle, building strategic partnerships, and engaging with defense ministries and prime contractors. Requires 5-10 years of experience in defense or government sales in European markets with a proven track record of closing complex deals.

Senior People Analytics Partner will own the People Data and Systems ecosystem, ensuring accuracy, scalability, and connectivity of HR tools and processes. Develop and maintain a unified People data model and reporting suite, delivering actionable insights to guide workforce planning, talent management, and organizational design decisions.

Senior Systems & Cloud Engineer will own administration and continuous improvement of Microsoft 365 and Atlassian Jira & Confluence. Responsibilities include building and maintaining secure integrations, collaborating on AWS infrastructure maintenance, and defining and delivering improvement plans.

Experienced hotel operator sought to lead The Hoxton, Berlin. Responsibilities include P&L management, guest experience, brand standards, team leadership, and market relationships. Strong commercial acumen and passion for hospitality required.

Senior Director Business Development builds and maintains customer relationships, conducts market research, and drives the end-to-end sales process. Requires 8+ years of experience in B2B-Enterprise Pharma eClinical sales, strong communication and negotiation skills, and fluency in German and English.

The Trade Desk seeks a EMEA Growth GM to lead direct advertiser growth in the DACH region. This individual contributor role involves identifying, pitching, and closing deals with major advertisers, securing MSAs and JBPs.

Legal Counsel - Compliance needed to develop AML policies, advise stakeholders, and support regulatory implementation. Requires law or business degree, AML experience, and fluency in German and English.

We are seeking ambitious entrepreneurs to build and scale HealthTech startups. You will own your startup, receive personalized development, and benefit from a network of top founders, investors, and talent.

Operate large-scale drone light shows (200-2000 drones) under the direction of a Pilot in Command. Execute launches, holds, aborts, and recoveries. Monitor aircraft health, telemetry, GNSS, and communications during flight. Load, verify, and execute flight plans and show content. Respond in real time to system alerts, aircraft faults, or degraded conditions.