java English-speaking jobs in Mainz

Expert in IFRS accounting and reporting, with a focus on IAS 12/income taxes, sought for Home Comfort Finance team. Responsibilities include ensuring high-quality, compliant, and timely group reporting, monitoring IFRS changes, and collaborating with internal and external stakeholders. Requires several years of relevant experience, strong knowledge of IFRS standards, and proficiency in SAP FI and MS Office.

This senior leadership role leads global software engineering and R&D. The CTO shapes technology strategy, drives product-led development, and improves engineering quality and delivery across international teams.

Senior Finance and Consolidation Expert needed for an international client. Oversee monthly, quarterly, and annual consolidation, analyze financial results, and provide business insights. Requires fluent German and English, plus expertise in Group Consolidation and reporting.

Strategic Employee Relations & HR Manager needed to advise leaders and manage ER cases within JD.COM's German operations. Requires 5+ years in HR/ER in Germany, expertise in German labor law, and experience with employee transfers.

Head of Credit Risk to design end-to-end credit risk frameworks for SME lending in Europe. Own underwriting, scoring models, and risk appetite, collaborating with Product and ML teams. Requires 7-10+ years in credit risk with fintech experience.

Backend Platform Engineer to build and maintain a new rehabilitation aftercare platform. Focus on Rust development, API design, and production debugging. Requires 3+ years of backend engineering and Rust experience. Team operates in English.

VP Sales owns the entire sales function, leading a team of 13-15. Responsibilities include owning long-term sales strategy, driving Enterprise sales, and leading a low-touch motion for smaller accounts. Requires 10+ years in B2B SaaS sales leadership.

Customer Operations Specialist supports supply management data accuracy and timeliness. Processes supply data from manufacturers, ensuring adherence to logistics and quality standards. Collaborates with suppliers and internal teams to optimize supply chain processes. Requires experience in logistics, supply chain support, and sales order activities. Fluency in English and German is essential.

Join a specialist contractor delivering power infrastructure for data centres. Support commercial management, subcontract administration, cost reporting, and risk monitoring on major projects. Experience as a QS is preferred.

Experienced Laboratory Systems Administrator needed to support GxP-regulated system implementation in Pharma/Biotech. Responsibilities include technical setup, administration, and operational readiness of systems like LIMS or CDS.

Senior Talent Acquisition Partner to architect the commercial team across EMEA and APAC. Own end-to-end GTM recruiting for sales, marketing, and customer success roles. Requires 5 years of full cycle recruiting experience in high-growth tech.

Lead PHP Software Engineer to design and deliver a resilient indexing pipeline and scalable search platform services. Responsibilities include optimizing SQL, managing Elasticsearch, and resolving complex data synchronization challenges. Requires 5+ years of PHP experience and strong backend skills.

Electrical, Instrumentation & Control Engineer (m/f/d) will plan, implement, and modernize EMSR, automation, and electrical systems for energy and environmental plants. Responsibilities include technical design, project execution, and support of manufacturing, installation, and commissioning activities.

Director of Sales, Windenergy, drives business growth and strategy for a leading Electronic Engineering provider. This senior role involves developing sales strategy, leading the team, and expanding the customer base across Europe.

Director of Sales - DACH to drive sales strategy and revenue growth for a B2B AI supply chain platform. Own DACH P&L, lead the sales team, and execute commercial strategy in the DACH market. Requires 7+ years of B2B sales experience and fluency in German and English.

Senior Director, Security manages global security strategy for a New Space company. Responsibilities include overseeing system, information, and physical security, leading the security team, and ensuring compliance with standards like NIST and IA-Pre.

Define and execute the global strategy for blade manufacturing technologies and process innovation. Lead international teams to industrialize new blade technologies for safe, scalable production. Requires a Master's degree and 15+ years of relevant leadership experience.

Senior MEP Project Planner to own and control the programme for a large data centre build. Develop, maintain, and track detailed MEP and construction programmes using Primavera P6. Requires 7-10 years in construction planning with large-scale MEP experience.

Experienced, highly organized Virtual Assistant needed for investment management support. Responsibilities include calendar management, inbox support, travel arrangements, and document preparation. Must be fluent in English and German and based in Germany.

Finance Director, Actives, leads finance for the Digestive Health business unit. Responsibilities include pricing/margin analysis, strategic project support, and manufacturing site oversight. Requires 10+ years of finance experience with manufacturing background.