java English-speaking jobs in Wiesbaden

Software Engineer to design, develop, and maintain simulation UI systems using C++ & Qt/QML. Collaborate with stakeholders, define software architecture, and ensure scalability and maintainability.

Support the Sales Operations Team in Munich, working with SAP and Salesforce to manage orders, administrative tasks, and reports.

Project Manager / Product Operations Manager needed for a remote, full-time project at a startup building an event discovery platform. Responsibilities include delivery and roadmap execution, engineering team coordination, Agile process facilitation, documentation, and communication. Requires 4+ years of experience in project management, product operations, or delivery management, experience working with software engineering teams, and understanding of web and mobile product development, APIs, and Agile processes.

Experienced .NET Developer sought to enhance Luware's Nimbus call center solution. Responsibilities include designing, developing, and deploying cloud services, collaborating with stakeholders, and mentoring junior engineers. Must have 5+ years of backend service development experience, experience with AI technologies like OpenAI and Copilot, and a strong understanding of software engineering best practices.

Student assistant position available for 23 hours per month at the Institute of Production Engineering and Machine Tools. The project focuses on simulation and optimization of grinding processes, including conducting experiments, developing simulation platforms, and researching AI and regression models.

Freelance Instructor for Industrial Cybersecurity Foundation (Level 1) & Professional (Level 2) training. Deliver sessions on IEC 62443, ISMS, and ISO 27001 standards. Prepare and present complex topics for diverse audiences. Bachelor's or Master's degree in Computer Science or comparable qualification required. At least 3 years of IT experience, including 2 years in information security. Proven experience in Industrial Security and strong knowledge of relevant standards. Fluent in German and English. Pedagogical qualification or equivalent training.

Experienced (Senior) Manager - Tax International (m/f/diverse) needed for global tax team in Frankfurt. Manage and coordinate tax matters for foreign subsidiaries, ensuring compliance with international tax regulations and driving tax optimization strategies. Collaborate with management, external tax consultants, and fiscal authorities. Provide tax guidance on corporate income tax, withholding tax, and cross-border tax structuring. Monitor and analyze changes in German and global tax legislation. Assess business impacts and develop recommendations. Communicate tax developments, risks, and opportunities to internal stakeholders. Review and assist foreign tax functions with tax risk reporting. Ensure adherence to the German Foreign Tax Act (AStG), including CFC rules and outbound taxation requirements. Oversee compliance with the DAC framework, including DAC6. Develop and maintain internal processes to secure ongoing compliance with international tax transparency and anti-avoidance regulations. Prepare and coordinate responses to German tax audits involving international aspects. Support foreign tax functions in tax audits. Manage documentation requests and prepare supporting materials for audit defense.

The Munich Marriott City West is seeking a Guest Relations Manager & Manager on Duty to manage guest relations, develop methods to increase guest satisfaction, and handle manager on duty responsibilities. The ideal candidate has experience in hotel reception, guest relations, or management, excellent communication skills, and fluency in German and English.

Lead a new regional office for Assetara, a developer of AI solutions for cryptocurrency analytics and trading. Responsibilities include managing office operations, client consultations, brand promotion, and network development.

Architect and build the data platform backbone, focusing on distributed computing stability and caching strategies. Design ETL pipelines and establish data lineage and metadata modeling infrastructure.

The Leipzig Cohorts and Trial(ist)s (LeiCoT) program seeks a recognized medical specialist with a strong research background in metabolism, brain/heart, or cancer. The program offers a six-year, fixed-term position with 50% research and 50% clinical work.

Leads a team responsible for issuing invoices, managing collections, and settling commissions for Business Partners. Requires an MBA in Accounting & Finance, 10+ years of experience, and proficiency in English and German.

Develop, automate, and enhance end-to-end reporting solutions for energy trading and portfolio management.

Intern will support consulting and services engagements, prepare customer presentations, and conduct analysis. Responsibilities include supporting projects, preparing presentations, and conducting administrative tasks. Strong interest in Operational Resilience and/or Risk topics is required. Fluency in English is essential.

Data/AI Consultant to lead and deliver high-impact AI projects for clients. Requires a Master's degree and experience in data/AI consulting and managing enterprise-scale AI solutions.

Working Student in Central Europe Finance will support daily accounting operations, closing activities, and cross-border financial coordination. Responsibilities include accounts payable and receivable, monthly/quarterly/year-end closing, financial record maintenance, audit documentation, and compliance with accounting standards.

Install, maintain, and troubleshoot onboard IT infrastructures including servers, virtual machines, and networks. Provide remote support for vessels worldwide, ensuring stable satellite and mobile internet connectivity.

Account Manager Export (f/m/d) supports international customers, handles inquiries, prepares quotations, places orders, and manages shipping and customs clearance. Requires a completed apprenticeship, Bachelor's degree, or equivalent, fluency in English, and proficiency in MS Office.

German-speaking Prompt Engineer to design and optimize prompts for large language models used in healthcare documentation. Responsibilities include conducting prompt experiments, analyzing outputs, and collaborating with internal teams. Requires experience with LLM prompt engineering, Python programming, and Git workflows. Fluent German and English required.

Deliver groceries to customers efficiently by e-scooter or e-bike. Maintain a focus on delivery targets and exceed them. Must be at least 18 years old with a valid work permit and driving license. Speak English or German and have a smartphone with mobile data access.