freelance English-speaking jobs in Wuppertal

Coordinate SAP FI/CO projects, enhancements, and international rollouts. Translate business requirements into functional specifications and manage implementation with internal and external SAP experts. Support project planning, tracking, and reporting, ensuring timely delivery.

Creates, edits, and reviews technical documents including user manuals, pre-installation requirements, software manuals, and service information in English. Uses SolidWorks Composer and Adobe Illustrator or Photoshop to create graphics. Researches, plans, coordinates, and executes documentation projects. Ensures technical documentation complies with relevant standards and regulations. Keeps up to date with trends in technical documentation.

Designs, builds, deploys, and maintains applications using JavaScript, TypeScript, React, Node.js, and AWS. Implements changes, provides technical support, and writes clean, secure, and maintainable code. Builds automated deployment pipelines and supports solutions in production. Collaborates with stakeholders to define data requirements and build data pipelines and models using Databricks and SQL.

Software Engineer responsible for developing TeamViewer Frontline products. Develop interfaces to customer backend systems using Java, SpringBoot, and JavaScript. Configure user interfaces and support customer projects. Requires a university degree, experience with Java, SpringBoot, JavaScript, and database technologies. Excellent communication and customer collaboration skills are essential.

Data Center Engineering Operations Technician will troubleshoot and operate electrical and mechanical equipment in a global data center environment. Responsibilities include maintaining safety standards, taking operational readings, and supervising contractors.

As an OT Connectivity Engineer, you will ensure the reliable and secure connectivity of renewable energy assets across Europe. You will assess communication architectures, resolve connectivity challenges, and drive standardization for efficient monitoring and operation of PV, BESS, and hybrid assets.

Develop mechanical components for wind turbines, from requirements definition to manufacturing-ready solutions. Focus on robust, safe welded structures and sheet metal components.

Loads and unloads UPS packages, utilizing machinery as needed. Performs package handling, shipping, receiving, scanning, sorting, and stocking. Must be able to lift up to 70 lbs.

German-speaking Sales Representative to promote energy audit services, build client relationships, and contribute to market growth.

Business Controller (m/f/d) IT and Research & Development will act as a finance and strategic sparring partner to IT and R&D leadership teams. Responsibilities include budgeting, forecasting, performance evaluation, and business partnering to support commercial decision-making.

Senior Application Engineer to support Siemens EDA Design for Test (DFT) products. Responsibilities include product presentations, customer evaluations, and design methodology support. Requires wide technical experience with large IC digital designs, DFT knowledge, and excellent communication skills.

Finance Transformation & Development Manager will support and drive finance transformation initiatives, focusing on the company's move to SAP S/4HANA Public Cloud. The role involves designing, improving, and implementing finance processes in SAP Public Cloud, collaborating with various finance departments to translate business needs into practical solutions. The ideal candidate will have experience in finance, controlling, accounting, finance transformation, and SAP Finance, with a strong understanding of finance processes, reporting structures, and accounting principles.

As Head of Regulatory Affairs and Quality Management, you will lead and manage a team ensuring compliance with MDR and ISO 13485 requirements. You will provide regulatory expertise, collaborate with various departments, and support the development of robotic surgery devices.

Retail Intern to support a team in a high-class luxury brand. Responsibilities include customer service, operational support, and stock organization. Must have a passion for luxury retail, creativity, and fashion. Fluent in German and English.

HR Business Partner to provide in-market HR expertise and support for Pizza Hut Germany. This standalone role ensures compliance with German employment law, manages payroll and benefits, and partners with leadership on workforce planning and talent development.

Principal Biostatistician provides end-to-end statistical leadership for Phase II and III clinical trials. Leads SAP authoring and review, supports integration activities, and communicates with cross-functional teams.

Educate and train physicians on EVOQUE technologies, device handling, and imaging techniques. Provide intraprocedural imaging support and analyze imaging data to support product development and event investigations.

Bilingual Sales Specialist (Spanish/English) will manage the full auction process, build client relationships, and research vehicle values. Must have prior sales experience, fluency in English and German, and proficiency in CRM systems.

Execute KJUS sales strategy across ski, golf, and lifestyle categories in Central and Southern Germany, focusing on wholesale and B2B channels. Drive sales growth, manage budgets, and strengthen brand presence. Analyze market trends, manage showroom operations, and provide product knowledge training.

Postdoctoral researcher to investigate genomic and post-transcriptional processes in pancreatitis and pancreatic cancer. Requires a doctoral degree and knowledge of cancer genomics, proteomics, and molecular cell biology. Experience with computational platforms for single-cell and spatial omics data analysis is encouraged.