java English-speaking jobs in Mainz

Design and develop firmware and software for wireless modules like Wi-Fi, Bluetooth, and LTE/5G. Responsibilities include driver development for Embedded Linux/Android and RF hardware bring-up. Requires C/C++ skills and experience in embedded systems.

Advise clients on data protection, translating GDPR into practical guidance. Leverage an AI-powered platform to boost customer adoption and value. This hands-on role requires 2+ years of privacy consulting experience and strong GDPR knowledge.

Senior Commercial Finance Analyst partners with DACH Marketing teams to manage budgets and drive financial planning. Responsibilities include P&L integrity, month-end close collaboration, and delivering insights via advanced analytics. Requires finance background and strong analytical skills.

Seeking a (Senior) IT Infrastructure Expert to serve as SME for Conditional Access and MFA platform operations. Responsibilities include script development, creating operational dashboards, and driving root cause analysis. Deep knowledge of Microsoft Entra ID and M365 is required.

Senior International Tax Manager advises on strategic tax matters across European jurisdictions. Requires 8+ years of experience, strong technical expertise in CIT, Transfer Pricing, and VAT, and fluency in German and English.

Lead systems engineering for advanced automotive products and platforms. Drive technical excellence, process compliance, and execution rigor across the development lifecycle. Requires 8+ years in automotive development and 3+ years in technical leadership.

Werkstudent:in Data Analytics reviews digital mapping data to ensure route accuracy, verify business details, and check distances. Requires strong research skills, independent work, and fluency in English and German.

This role optimizes Metro Own Brand distribution by ensuring efficient order processing and delivery timeliness. Responsibilities include coordinating transportation, managing customer communications, and driving data-driven improvements to logistics and service levels.

Thesis opportunity in Manipulator Kinematics Evaluation. Develop concepts/tools for objective, automated comparison of robot kinematics, analyzing workspaces and manipulability. Requires background in mechanical engineering or robotics.

Solution Consultant for Data & Process Integration Services/SAP BW. Requires 3-5 years in SAP, especially SAP-BW (ECC, S/4HANA), with experience in BI/Reporting consulting and requirement analysis. Must be proficient in English and German.

Shape and optimize the procurement tech backbone, leading digital transformation with SAP focus and advancing AI capabilities. Drive improvements to SAP ECC/S4 on-prem and serve as the AI subject matter expert for the procurement function.

Lead gas infrastructure and market integration efforts across Europe and Eurasia. Develop evidence-based reform recommendations, analyze gas enterprises, and shape strategic roadmaps for the energy transition.

Senior Specialist Business Development supports EMEA defense go-to-market strategy. This role drives design-wins and revenue growth by engaging key customers, informing pricing, and building market models. Requires an engineering/math degree and 3-5 years in relevant tech roles.

Build and own workforce analytics capabilities to inform strategic planning across HR, Finance, and management. Forecast supply/demand, run scenario analyses, and surface talent risks using tools like Alteryx, Power BI, and SQL.

Associate Perfume Analyst provides analytical support to creation and S&T units. Responsibilities include running perfume analysis projects, conducting GC/MS checks, and interpreting data using fragrance ingredient knowledge. Requires 3+ years of lab experience with GC-MS-FID.

Drive strategic sales and manage high-value accounts as an Enterprise Account Executive. Lead the full sales cycle, engaging C-level decision-makers to deliver market-leading workforce management solutions. Requires 5+ years in enterprise software sales and fluency in German and English.

Own brand portfolio performance and drive buying/assortment strategies in Product Specialist. Manage brand partnerships, lead negotiations, and optimize coverage using data analysis. Requires relevant degree and proven buying experience.

Shape success criteria for ML products by guiding evaluation and validation. Design robust strategies, partner with Product Owners to translate data science results into business insights, and build scalable self-service analytics.

Own and optimize Germany payroll, ensuring accurate, on-time processing and compliance. Manage end-to-end payroll, benefits administration, and drive process improvement through automation. Requires 5+ years of German payroll experience.

Senior Accountant leads financial accounting, managing asset accounting, AP, and the general ledger. Responsibilities include preparing monthly, quarterly, and annual financial statements while collaborating with auditors and tax advisors.