freelance English-speaking jobs in Wuppertal

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 Faculty of Mathematics and Physics at the Mathematical Institute is seeking a W3 professor for Analysis to lead research in nonlinear partial differential equations and contribute to teaching and academic governance.

Own and drive the global sensor portfolio for Coordinate & Vision Measuring Machines (CMM & VMM), shaping strategy, market positioning, and commercial success. Collaborate with R&D, sales, and other stakeholders to ensure platform fit and a coherent solution offering. Manage the entire product lifecycle from ideation to phase-out.

Provides expert legal advice and support to German clients on data protection matters, ensuring compliance with data protection regulations, including the GDPR.

Arcura Medical Properties seeks a detail-oriented AP Accountant to process invoices, prepare payments, and manage vendor accounts. The role supports the Accounting team in day-to-day finance operations and ensures compliance with accounting guidelines.

HHL seeks a Junior Professor with a strong record of international teaching excellence in entrepreneurship and strategic management. The successful candidate will develop an internationally recognized research agenda in entrepreneurship, strategy, and organizational change. Experience in managing entrepreneurship programs, incubation, and venture support is required. The role involves coordinating transfer projects and leading externally funded research initiatives.

Integrate and maintain software items in the Eurofighter Pilot Synthetic Training System (P3E project). Generate test stories/test cases, perform Level 1 requirement verification, and document test results. Support acceptance tests, qualification activities, and resolve technical issues.

This 6-month, full-time remote internship supports multilingual document workflows for international clients. Tasks include file preparation, OCR support, visual QA checks, and workflow coordination. Fluent English and strong organizational skills are required.

International Payroll Specialist needed for fixed-term contract (July 2026 - December 2027). Process, audit, and reconcile international payrolls for Germany, Austria, and Switzerland. Partner with external providers and internal stakeholders to ensure accurate and timely payroll reporting.

Manages logistics-related internal and external projects, including planning, resource coordination, and issue resolution. Develops project plans, tracks progress, and reports status to management. Establishes standard operating procedures and operational mechanisms to improve team collaboration. Organizes and leads departmental and cross-functional meetings, documenting minutes and tracking task progress.

FPV Drone Builder & Flight Test Specialist to support R&D with flight testing, tuning, prototype setup, and test infrastructure. Configure flight controllers, tune Betaflight/PID gains, and ensure stable flight performance. Strong hands-on FPV experience and EU citizenship or eligibility for EU security clearance required.

Support the HR Manager and HR team in implementing administrative and HR processes for aviation operations. Handle personnel-related measures, manage personnel files, and assist with recruiting, onboarding, and offboarding. Provide administrative support for training and development measures and contribute to organizational adjustments.

As a Design Engineer at Personio, you will build UI components, infrastructure, and systems that empower designers to work closer to code. You will contribute to high-priority product features, collaborate across disciplines, and help define the Design Engineering discipline.

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.

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.

Senior Marketing & Communications Manager will plan and execute marketing activities to strengthen the Tieto brand in Germany, support business development, and drive lead generation. Responsibilities include PR, online and content marketing, event support, website management, performance management, social media management, and account-based marketing.

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.

Assistant Store Manager supports the Store Manager in daily operations, deputizes in their absence, and ensures sales goals are met.

Marketing Manager needed for a 7-month contract to drive subscription and engagement growth across Europe, Australia, and New Zealand. Responsibilities include developing and optimizing customer promotions, analyzing campaign performance, and collaborating with cross-functional teams.

Produce 15-20 short-form ads per week for Meta using AI video editing tools. Expertise in tools like Higgsfield, Runway, Kling, Flow, and Sora is required. Must be able to seamlessly integrate AI-generated content with real products. Experience editing short-form paid ads (UGC, DTC, performance creative) is essential.