freelance English-speaking jobs in Wuppertal

Design and develop high-end C++ components for medical desktop applications, focusing on performance, stability, and scalability. Architect, implement, and review complex multithreading and parallelization concepts. Analyze, refactor, and optimize existing codebases, identify bottlenecks, and raise product performance and quality.

Legal Counsel to support governance and investment regulation at AIM SE. Provide practical legal assessments on regulatory developments and business activities, contributing to the investment governance framework. Requires a qualified lawyer with 3+ years of relevant experience.

Full-Stack Engineer to design, develop, and own end-to-end features using TypeScript and Java. Collaborate cross-functionally, champion quality, and mentor engineers in a fast-moving environment.

Experienced Project Manager needed to lead complex architecture, planning, and infrastructure projects for National Government and DoD clients. Requires strong leadership of dispersed teams and understanding of German regulations.

Support the Investment & Financing department by analyzing European infrastructure investment opportunities and managing M&A/Due Diligence processes. Requires a Master's degree and 3-5 years of experience in investment banking or private equity.

Develop and characterize novel photonic methods for investigating protein-DNA interactions using femtosecond laser pulses. Responsibilities include designing complex laser systems and conducting time-resolved experiments. A Master's degree in a related science is required.

Embedded & Systems Software Developer for PETRA IV. Develop software for camera control, high-speed data reception, and system interfacing. Requires Master's in CS, experience with embedded/systems programming, Python, and C++.

Research Fellow positions are available to develop independent doctoral dissertations within the DISORDER research group. Candidates will conduct empirical research on how states pursue global order visions across security, economy, and technology.

Lead quality initiatives for near patient nursing teams, driving service improvement and monitoring quality performance for the TRICARE Overseas Program. Requires a graduate nurse with 3+ years of experience and proficiency in German and English.

Doctoral Researcher position in digital platform ecosystems, focusing on federated networks. Requires a Master's in a relevant social science with quantitative skills and interest in digital markets.

Sales Coordinator needed with a technical background in shipbuilding. Responsibilities include expanding the international customer base, identifying new business, and managing proposals and negotiations. Requires relevant experience and knowledge of maritime IT environments.

Support product registrations and maintain databases for regulatory affairs. Responsibilities include writing and updating documentation and supporting quality management projects. Ideal candidates study related fields and possess excellent English skills.

Support boutique development projects at Wertheim Village. Coordinate fit-out, reconfiguration, and temporary boutique projects with partners and contractors, ensuring quality and timely execution. Requires retail development or project coordination experience.

Lead DACH and CEE sales teams to drive revenue growth and manage regional operations. Requires 10+ years leading SaaS sales, 3+ years 3rd line management, and deep DACH market knowledge.

Senior Manager for Compensation, Benefits & Global Mobility. Oversee global mobility, regional compensation strategy, and benefits administration. Ensure compliance with international tax, immigration, and labor laws. Lead a regional team.

Lead global tax operations as Global Process Owner, driving governance, standardization, and continuous improvement of tax processes. Requires strong knowledge of taxation, Financial Accounting, SAP, and excellent English and German skills.

Build AI agents and automations from prototype to production. Maintain ETL pipelines in Airflow, improve the data warehouse, and build Metabase dashboards for insights. Requires solid Python, SQL, and LLM API experience.

Lead end-to-end data migration from SAP S4/HANA to GCP for planning and manufacturing. Requires 7+ years in SAP Planning/Manufacturing, SQL, and GCP data solutions.

Perform inspection, troubleshooting, repair, and quality control on e-bikes. Prepare e-bikes for customer delivery and maintain the in-house fleet. Contribute to process improvement and support warehouse operations.

VP Ground Systems owns the global launch and test infrastructure strategy for Isar Aerospace. This role leads the design, development, and delivery of world-class ground systems and secures new launch and test capabilities worldwide.