java English-speaking jobs in Mainz

WeDaVinci seeks a Senior Software Engineer to develop and scale a collaborative platform for AI-driven content generation (articles, podcast scripts, video trailers). Responsibilities include frontend and backend development, API integration, and optimizing data storage and retrieval. Expertise in React, FastAPI, relational databases, cloud platforms (AWS), Docker, Kubernetes, and CI/CD pipelines is required.

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

Support & Maintenance Engineer needed for identity management systems. Requires 7+ years of experience, expertise in biometric technologies, and strong troubleshooting skills. Responsibilities include post-implementation support, technical maintenance, customer interaction, and continuous improvement. Fluency in English is required.

Nachhilfeunterricht seeks motivated tutors (m/f/d) to teach online or in person across various subjects. Earn €15–35 per hour with flexible hours.

Principal Consultant supports Allianz Group clients with strategy, market management, sales, IT, organization, claims, operations, and central functions. Analyzes customer needs, develops concepts, contributes to pitches, and manages client relationships. Requires a university degree, 5+ years of operational insurance and/or consulting experience, and expertise in AI frameworks and project management.

Leads tax compliance, risk management, and strategic planning across multiple jurisdictions. Develops and implements tax optimization initiatives, oversees reporting, and manages audit programs.

atrain seeks an Executive Consultant to deliver leadership and organizational development solutions to Global 1000 clients. The role combines client impact, business growth, and people development. Requires a Master's or PhD in a relevant field, several years of executive-level consulting experience, and native-level German and English fluency.

Conduct consulting projects in the space industry, designing and optimizing operational workflows and developing market entry strategies.

As an Account Executive for the DACH region, you will execute go-to-market plans, achieve sales goals, and build relationships with agencies, brands, and retailers in the e-commerce space. You will leverage your expertise in e-commerce and digital marketing to help clients unlock new levels of performance with Channable's tool.

Experienced Head of Tax (m/f/d) sought to oversee all tax-related matters for European entities. Responsibilities include providing tax guidance, ensuring compliance, identifying optimization opportunities, and leading the tax team.

Fnality seeks a commercially minded leader to oversee regulated Financial Market Infrastructure (FMI) operations in Germany. This role ensures the effective delivery and operational performance of the European payment system, working within the ECB's regulatory framework. The Head of Fnality Europe will shape local strategy, strengthen regulatory relationships, and drive business development activities.

Experienced Db2 Database Administrator (z/OS) needed to support a Mainframe Db2 environment. Responsibilities include administration, backup/recovery, performance tuning, and script-based automation.

Lead the design and deployment of AI/ML models for personalization, pricing, search, and optimization across marketplace and fintech domains. Shape the strategic direction of data science and champion the team's role in a rapidly advancing GenAI landscape.

The Tax Product Manager defines and executes the product roadmap for tax services delivered to cross-border institutional investors. Responsibilities include monitoring tax changes, defining tax servicing standards, executing the tax strategy, and managing client and competitor market research. The role requires expertise in German tax regulations, fluency in German and English, and experience in financial services tax.

Leads the Data Science track, including team leadership, curriculum development, and operational success. Responsible for team performance, program quality, and budget management. Collaborates with Product, Teaching Quality, and other teams to ensure the track's success. Requires prior experience in team leadership and a professional background in Data Science, Machine Learning, or a related field.

Legal Engineer to transform legal services through AI and process optimization. Develop AI-powered solutions, automate legal processes, and collaborate with legal teams to implement innovative technologies.

The Sales Representative promotes and sells Medtronic products for treating aortic diseases. This role requires collaboration with healthcare professionals, product knowledge, and sales strategy development.

Head of Accounting and Record to Report for EMEA Sub-Segment. Prepares and analyzes financial statements, ensures statutory account preparation, and manages financial transactions. Requires a Bachelor's degree in Accounting or Finance, accounting software proficiency, and fluency in English.

Leads the operation, governance, and development of the application landscape, including Core Banking, CRM, HR, and Finance systems. Manages a team and external service providers, ensuring system availability and compliance with regulations.

A highly motivated executive communications professional is needed to shape and convey senior executives' vision, strategy, and key messages to internal and external stakeholders. Responsibilities include preparing executives for communications engagements, developing communication strategies, crafting clear and engaging messages, and monitoring macroeconomic and sociopolitical trends.