java English-speaking jobs in Mainz

Sales & Marketing Agent needed for a dynamic team in Berlin. Provide digital marketing advice to advertisers, analyze ad performance, and collaborate with clients to implement successful sales strategies. Dutch (C1) and English (B2) required.

ERP Specialist needed for IT department. Troubleshoot and resolve ERP and application issues, ensure system stability, and collaborate with business units. Lead ERP projects, manage vendors, and support SOX, GDPR, and security compliance. Minimum 5 years IT experience with ERP support, degree in Computer Science or related field, and strong technical expertise required.

Native or C2 German speakers with technical sales experience are sought for remote Tech Sales Development Representative roles. Focus is on outbound appointment setting and qualifying leads. Must have a reliable fiber internet connection with minimum 20 Mbps upload and download speeds.

The Hertie School and the WZB Berlin Social Science Center jointly recruit a Professor of Labour Economics. The ideal candidate has a strong publication record in labour economics and conducts research on how labour market policies, firm policies, and institutional factors affect inequalities in the labour market, particularly regarding gender.

Drive sales for Retail7, GK Software's cloud-native commerce platform, by understanding customer needs and positioning solutions persuasively. Manage the full sales cycle, from discovery to contract signing, and deliver compelling presentations.

Gig's pizzeria in Berlin seeks a reliable individual for a minijob, 2 days a week. Responsibilities include stretching, topping, and baking pizzas, preparing ingredients, and maintaining a clean workstation. Basic pizza experience is required, along with flexibility, reliability, and a team-oriented attitude.

Rudyb Travel seeks a remote Travel Customer Service Representative to assist clients with luxury and leisure travel bookings. This role involves managing inquiries, confirming itineraries, and providing travel information.

Jung von Matt NECKAR seeks a Media Strategist to develop and execute data-driven media campaigns. The role involves strategic consulting, market analysis, media strategy development, and campaign optimization. Strong analytical skills, understanding of the media landscape, and fluency in German and English are required.

Senior Process Engineer to optimize and develop industrial bioprocess and fermentation systems. Experience in industrial biotechnology, process engineering, and bioprocess equipment required.

Manager to lead a team of professional coordinators and advisors, ensuring OlamAid's interventions are evidence-based and ethically sound.

Guest Environment Experts maintain the appearance and cleanliness of the entire hotel, ensuring a great guest experience. Responsibilities include delivering guest requests, stocking carts, cleaning rooms and public spaces, and upholding quality standards.

Consult on space industry projects, optimizing workflows and developing market entry strategies.

The Strothoff International School seeks a part-time or full-time Teacher for its Primary School in Dreieich. The Teacher will plan and deliver lessons aligned with the school's curriculum and the IB Primary Years Programme (PYP), ensuring alignment with Hessen curriculum requirements.

Manage group-wide AI security initiatives and governance. Consult on information security and operational resilience. Evaluate AI/information security risk and analyze threat intelligence.

Work Student/Intern to support the Inside Sales team, assisting Polish-speaking customers and deploying opportunities. Responsibilities include creating offers, following up on quotations, and assisting with translations. Must be enrolled in a Business Administration, BWL, VWL, or related field and fluent in Polish and English.

As Key Expert for Process Analytical Technologies (PAT) and Analytical Transfers, you will implement and qualify analytical technologies, support method transfers, and develop PAT systems for real-time monitoring. You will provide technical expertise for regulatory submissions and collaborate with cross-functional teams.

Nordnet is seeking Customer Service representatives to join its new German team. You will provide phone and email support, helping customers with investments, savings, and account services. You will also share customer feedback to improve products and services.

Danaher seeks experienced HR professionals for a Talent Pool. We are looking for HR Business Partners and Generalists with a minimum of 3 years of experience as a Generalist or 5 years as an HRBP. Must have a university degree or vocational training in HR Administration & Management, strong knowledge of German Labor and Social Law, and fluency in German and English.

Senior Consultant Technology & Solution Architecture will support strategic implementation projects, lead architecture workstreams, and ensure alignment between E.ON's digital capabilities and project needs.

Senior Tech Consultant to design, stabilize, and evolve the Microsoft Dynamics 365 ecosystem, including Customer Engagement, Finance & Operations, integrations, and governance. Lead complex technical initiatives, translate business needs into technical requirements, and drive platform stability and compliance.