freelance English-speaking jobs in Wuppertal

Senior Finance Control Analyst responsible for month-end, quarter-end, and year-end closing activities, financial reporting, and analysis. Oversees accounting, controlling, and financial processes ensuring compliance with IFRS and HGB. Collaborates with stakeholders on operational activities, strategic initiatives, and cross-functional finance projects.

As Business Controller for IT and R&D, you will partner with leadership teams, driving performance, enabling strategic decisions, and shaping the future of IT and R&D. You will own budgeting, forecasting, and long-term planning, prepare monthly closings, and develop recommendations to optimize business results.

Technical Assistant (MTA, BTA, CTA) to support T cell differentiation and leukemia research. Responsibilities include laboratory management, mouse colony management, training staff, cell analysis, and ensuring good research practices. Requires experience in flow cytometry, mouse models, and molecular biological methods.

ServiceNow Developer to design, develop, and configure solutions for Sales & Order Management processes. Experience with Lead-to-Order and Order-to-Provision workflows, TM Forum concepts, and ServiceNow platform required. JavaScript, API integration, and data modeling skills essential.

Senior Medical Science Liaison (MSL) for a 9-month paternity cover in Frankfurt. Lead scientific exchange with Key Opinion Leaders (KOLs) in Rare Disease, communicate clinical data, and support Medical Affairs strategy. Requires advanced degree in medical/natural sciences and proven MSL experience. Fluent in English and German. Extensive travel required.

Handle customer requests via email, phone, and social media. Ensure high-quality customer relationship follow-up and contribute to the optimization of tools and processes.

Area Manager for Bavaria responsible for sales tracking, key account management, and market analysis. Requires experience with silicone implants, medical sales KPIs, CRM proficiency, and regulatory knowledge.

Are you an English-speaking early years professional looking for a meaningful role in an international educational environment? At Phorms Campus Munich, we are looking for a qualified and motivated Early Years Educator / Nursery Teacher to join our bilingual kindergarten.

Global SAP HRIS Manager to oversee planning, development, and management of SAP SuccessFactors and related HR technology. Responsible for process standardization, system lifecycle activities, and ensuring compliance with regulations. Leads HRIS operations, service management, project and change management, vendor and stakeholder management, and digital technology strategy. Requires 5+ years of experience with SAP HRIS, including Recruiting, Onboarding, Employee Central, Talent Management, Goals & Performance, Development, Learning, and Compensation modules. Fluent English required.

The Martian Mindset Cluster of Excellence invites applications for two independent postdoctoral research positions. Successful candidates will lead independent research projects with full scientific and budgetary autonomy. Applicants must have a PhD (or proof of imminent completion) in any field relevant to The Martian Mindset and a convincing 3-year research program.

Own the full sales cycle for Patchstack's application-layer security solutions, targeting regional hosting providers, agencies, and key accounts. Build pipeline, qualify leads, deliver demos, and close deals. Must have experience selling B2B SaaS, ideally technical solutions, with a proven track record of closing deals in the $25k+ ACV range.

Training Coordinator needed to support NIIT's customer in Frankfurt. This role involves analyzing training needs, coordinating session delivery, and collaborating with the customer's learning delivery team. Requires 2-4 years of experience in learning delivery management, fluency in German and English, and proficiency in MS Office.

Provide administrative and operational support to a global charity. Act as a key point of contact for colleagues, partners, and visitors. Coordinate with the Executive Team in London and use platforms such as Airtable and Google Workspace. Excellent written and spoken German and English are essential.

HR Generalist to support the smooth functioning of HR processes at a growing automotive company. Responsibilities include talent acquisition, employee relations, performance management, training, and HR administration.

Depot Technician needed for full-time, on-site role in Schönefeld. Responsibilities include receiving, stocking, picking, packing, and dispatching clinical trial materials. Must have German and English language skills, warehouse/logistics experience, and strong organizational skills.

Develop and design components for steel and hybrid wind turbine towers. Create technical documentation, perform calculations, and collaborate with various departments.

Drive energy procurement strategy, optimize costs, ensure compliance, and promote sustainability through smart sourcing and Power Purchase Agreements (PPAs). Develop and implement negotiation strategies, analyze energy consumption, and evaluate/select energy suppliers. Collaborate with internal and external partners, monitor market trends, and manage energy contracts.

Data Centre Mechanical Project Manager oversees on-site mechanical systems installation and commissioning at data center projects in the Frankfurt Rhine-Main Metropolitan Area.

Senior Data Engineer to build and scale real-time data infrastructure for a global AdTech platform. Responsibilities include building a real-time feature store, streaming pipelines, and data quality frameworks. Requires strong experience with distributed systems, event-driven architectures, and technologies like Kafka, Flink, and Java.

Intern to research innovative algorithms in learning-based video compression. Develop, implement, and test variable rate functionality and conduct rate matching. Implement algorithms on reference software and generate technical reports.