java English-speaking jobs in Mainz

Experienced senior beauty sales professionals sought to commercially own and grow B2B territories for an international distributor of premium Korean and global skincare brands. This performance-based, remote role requires proven B2B sales experience, account opening, and the ability to pitch to senior buyers.

Lead and scale a high-performing marketing team across multiple channels and markets. Own and optimize the entire marketing funnel, driving strategic planning and OKRs. Monitor daily revenues, channel performance, and align with cross-functional teams.

Student Intern for the Freight Operations Team at Global Head Office in Bonn. Part-time (20 hours/week) for 6 months, starting April 2026. Coordinate network changes, support KPI reporting, and assist with tactical planning and operational projects. Must be enrolled in a Logistics Management/Supply Chain program in Germany and have good IT skills. Fluent English required.

As a Senior Software Engineer, you will design, build, and maintain React Native applications with a focus on Android. You will collaborate with product, design, and business stakeholders to deliver high-quality, scalable mobile experiences.

The D365 Finance & Operations Developer designs, builds, and maintains customizations and extensions within D365 F&O. This role will be central to delivering D365 platform changes needed to support modernized internal and external payment processes. Responsibilities include developing D365 F&O customizations, extensions, and SSRS reports, collaborating with the Integration Developer, and ensuring solutions are scalable and maintainable.

Manage end-to-end survey operations across APAC and China, including NPS, CSAT, CES, and relational/transactional surveys. Optimize survey journeys, ensure data quality, and support continuous improvement.

Jung von Matt SPREE seeks a German-speaking Art Director Digital with agency experience to develop innovative visual campaigns. The ideal candidate combines expertise in visual storytelling, brand strategy, and market knowledge.

The Chief Marketing Officer (CMO) will develop and execute the company's global go-to-market and revenue strategy across B2B and B2C ventures. This role leads marketing, sales, and growth functions, building and scaling an integrated sales organization targeting institutional clients. The CMO will also develop and protect a premium global brand, own end-to-end marketing strategy, and lead product marketing for new and existing products.

Lead and structure technical operations and teams in Munich. Combine technical leadership, team management, business contribution, and strategic positioning in the German market. 10+ years in IT, technology services, or consulting environments with experience in a senior technical leadership role. Fluent in German and English.

Analyze consumer behavior and market trends, identify growth opportunities, and create data-driven insights. Develop and maintain customer journey and simulation models to forecast market developments.

Manages global accounts, primarily Adidas and Puma, to achieve profitable sales growth. Develops brand strategies, identifies new business opportunities, and negotiates with internal and external stakeholders. Requires a bachelor's degree, sales experience, and strong communication and analytical skills.

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

Develop and automate a systematic wealth manager utilizing multi-asset investment strategies. Productionize algorithmic models for autonomous trading, risk, cost, and tax optimization. Develop taxation logic for pan-European growth.

Experienced Cost Manager to join the Data Centre team in Berlin. Responsibilities include cost estimating, procurement, contract administration, and reporting. Requires a degree in a related field and a proven track record of cost management services across the project lifecycle. Strong technical knowledge of Data Centre or related facility assets is essential. Fluency in German and English is required.

RIFCON GmbH seeks a full-time Ecological Modeler or Computational Biologist to apply ecological models in environmental risk assessments. Responsibilities include designing, implementing, and documenting models, analyzing results, and managing projects.

Working Student supports various Corporate Communications teams in areas such as internal communications, public relations, content marketing, and social media management. Assists with event planning, research, analysis, and reporting. Must be a student, preferably in communication, marketing, or business administration, with experience in MS Office programs and strong German and English language skills.

The Customer Service Representative processes customer orders end-to-end, from order entry to invoicing. They ensure on-time delivery, track order status, and communicate with customers regarding order details and potential deviations.

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.

Senior Software Developer with 5+ years of Java or Kotlin experience needed for enterprise solutions. Must have experience with Spring or Quarkus, frontend frameworks (Angular/React/Vue), cloud services, CI/CD, and databases.

Fitch Ratings seeks an Analyst or Senior Analyst to analyze the credit quality of Non-Bank Financial Institutions in Europe, Middle East, and Africa. Responsibilities include developing financial tools, presenting analysis to internal committees, and communicating rating rationale to external audiences.