freelance English-speaking jobs in Wuppertal

Project Manager to oversee planning, construction, and commissioning of utility-scale Solar PV projects. Manage budgets, schedules, risks, and team performance. Requires experience in renewable energy project management and fluency in German.

The Payroll Specialist supports all aspects of payroll and benefits, including processing payroll, administering benefits, and resolving employee queries. Responsible for ensuring accurate and timely processing of payroll, new starters, leavers, and promotions. Requires a Bachelor's degree in a commercial field or equivalent experience, strong knowledge of payroll software, and excellent communication skills.

Leads business analysis for key Finance projects, ensuring successful implementation. Collaborates with stakeholders to understand challenges, scope projects, and deliver high-quality analysis. Develops business requirements, process maps, and documentation to support change delivery. Mentors junior analysts and contributes to the process catalogue. Requires 10+ years of experience as a Business Analyst in Finance projects, with expertise in Finance Transformation and Business Analysis methodologies.

Manage and grow customer relationships in the Automotive Fluids Independent Aftermarket, focusing on coolant/antifreeze and brake fluid products. Negotiate contracts, steer technical and commercial projects, and acquire new customers. Represent BTC at industry events and contribute to digitalization initiatives.

Supports business development activities and customer inquiries through professional customer service, quotation processing, and administrative sales support.

This is a re-announcement of a previous vacancy. Internal and external applicants residing in Germany are eligible. The position involves cleaning and sanitizing guest rooms, restrooms, and public areas. Applicants must be able to perform the duties of the position after brief instructions and have English language proficiency level B1. This is a Nonappropriated Fund position requiring heavy lifting up to 45 lbs, weekend and holiday work, and shift work.

Project Manager to lead cross-functional development projects for inhalation and nasal drug delivery technologies. Manage project budgets, timelines, quality targets, and collaborate with internal teams and external partners. Requires a relevant Bachelor's or Master's degree and experience in project management of medical device or pharmaceutical product development.

As a Client Service Associate, you will be the first point of contact for Italian-speaking customers, answering inquiries via email and phone. You will resolve routine issues and collaborate with the Level 2 team for complex questions. You will also capture customer feedback and contribute to product and process improvements.

Senior Associate to join the Debt Structuring & Portfolio Management team, focusing on infrastructure and private debt. Support deal structuring, manage existing investments, and prepare investor reports. Requires a degree in a relevant field and at least three years of experience in infrastructure debt/project finance/structure finance. Strong German and English language skills are essential.

Treasury Manager responsible for liquidity, cash flow, and financial risk management. Contributes to financing and investment decisions, advises stakeholders, and drives process improvements. Requires a Master's degree in Finance or a related field and strong experience in treasury operations.

Working Student (f/m/x) in Engineering will build and assemble mechanical and electrical assemblies, create technical drawings, and develop work instructions. Must be a currently enrolled Bachelor's student in Mechanical or Industrial Engineering with a focus on design and hands-on experience in building mechanical assemblies. Fluent in English and German required.

Working Student - Innovation Management supports Public Value Hub's programs in Munich, builds relationships with the ecosystem, and acts as a liaison between the Leipzig headquarters and the Munich Urban Colab.

Research Associate (f/m/d) to develop software for 3D rendering, visualization, and simulation-based system development. Focus on generating realistic virtual environments using Gaussian Splatting and other techniques. Requires strong C++ skills and a passion for 3D graphics and XR technologies. PhD pursuit encouraged.

The German Cancer Research Center (DKFZ) seeks a Scientific Solution Architect to design and build the technical foundations of the MEDAL platform, a global benchmark for medical imaging AI. Responsibilities include conceptualizing secure workflows for data submission, defining architectural concepts for the benchmarking platform, and translating scientific and regulatory requirements into technical concepts.

Financial Planning and Analysis Specialist supports the head of Group FP&A in delivering financial analyses to support Group strategy and growth. Responsibilities include forecasting, tracking business development, and conducting analyses of company performance. Requires a degree in Finance, Economics, Business Administration or equivalent and >5 years' experience in finance within an industrial business environment. Proficiency in MS Office, especially Excel and PowerPoint, is required.

Supports team building forecasting models and implements data solutions (pipelines, orchestration, storage, interfaces). Analyzes data issues and supports short-term forecasting and process monitoring.

Senior Sales Hunter to drive outbound sales of AI-powered hospitality SaaS across Germany. Proven track record selling POS, booking systems, or premium software to the German gastronomy sector required. Fluent German and English.

Defines and implements the global real estate strategy for a leading agricultural solutions company. Leads portfolio planning and optimization, identifies cost-saving and value-creation opportunities, and oversees global transactions and capital projects.

As an Accounting / Finance Supervisor, you will take responsibility for selected accounting areas, ensuring smooth daily operations and contributing to process improvements. You will review, assign, and post financial transactions, prepare financial statements, and support payment processes.

Freelance/contracting AI Motion Designer needed for a project in Berlin. Create motion content using Adobe Creative Suite and AI video tools like Gemini/Veo. Must have a portfolio showcasing AI-driven video work and strong collaboration skills.