freelance English-speaking jobs in Wuppertal

Senior Product Designer (m/f/d) to own end-to-end, CRO-focused design across web journeys. Design and execute A/B tests, analyze results, and optimize web funnels for conversion, activation, and engagement. Partner with Product, BI, Marketing, and Customer Care to drive growth.

For the afternoon and holiday programme of our primary school in Steinbach (Taunus) near Frankfurt we are looking for a motivated and qualified Educator for our Hort (in part-time – 18 hours/week).

Production Controller needed to implement and manage production costing systems, support ERP optimization, and deliver operational reporting. Strong manufacturing costing and ERP experience required.

Designs, standardizes, automates, and secures Microsoft 365 and Azure services in a hybrid enterprise environment. Requires 10+ years of experience in Microsoft infrastructure, Azure administration, and automation projects.

Develop automated isolation, enrichment, and library preparation techniques for clinical specimens relevant to Next-Generation Sequencing (NGS) analyses in precision medicine. Design and realize an innovative system for automated preparation in a microfluidic environment.

Provides administrative and analytical support to asset management and client services teams. Assists with fund operations, reporting, documentation, and client communication.

Senior Associates / Directors (m/f/d) with expertise in S&OP, digital transformation, and AI-enabled operations are sought to lead large-scale transformation programs for private equity-backed portfolio companies.

Experienced Business Travel Consultant needed for a fast-growing travel tech company. Must have previous business travel experience, proficiency in Sabre (other GDS considered), and fluency in German and English.

As an Outbound Sales Working Student, you will engage with decision-makers to uncover sustainability needs and book meetings for Account Executives. You will conduct multi-channel outreach, lead outbound calling, and track your KPIs.

Senior Digital Insurance Solution Manager will collaborate with Underwriting Managers to design digital insurance products. The role involves translating underwriting logic and business rules into digital solutions on INSTANDA. Experience in insurance, digital platforms, and stakeholder management is required.

Leads and manages applied science teams, defining technical roadmaps and driving innovation. Translates business requirements into technical solutions, collaborating with cross-functional teams to ensure alignment with business objectives. Participates in the full development cycle, from research and design to implementation and maintenance. Evaluates and makes strategic decisions regarding ML frameworks and technologies. Publishes research findings and represents Amazon at conferences.

The Human Resources Business Partner supports Practice Group Talent Leads across DACH, aligning HR strategies with practice group objectives and workforce initiatives. Responsibilities include talent management, performance management, career development, reward, workforce planning, integration, onboarding, mobility, employee relations, engagement, recruitment, and partnership with other People teams.

Research Consultant (1-3 years experience) for a growing firm specializing in social, behavioral, and data science. Conduct research, contribute to reports and proposals, and support client engagement for EU institutions and public-sector clients.

This role supports administrative processes in back office and office management. Responsibilities include organizing business trips, welcoming visitors, handling mail, and providing general administrative support. The ideal candidate has a commercial background, experience in travel management or back office, and strong organizational and communication skills.

Sales and Customer Support Consultant needed for 18-month maternity cover starting September 1, 2026. Provide customer support via phone and email, manage customer accounts, and coordinate with internal teams. Fluent in Spanish or French and English required.

The Supplier Quality Engineer ensures supply chain companies develop processes aligned with customer design intent and regulatory requirements. Responsibilities include supplier verification, root cause analysis, corrective feedback, and managing customer-specific requirements. The role requires a qualified engineer with experience in manufacturing processes, knowledge of FDA, GMP, ISO 13485, and ISO 9001, and strong communication and analytical skills.

As a (Senior) Project Engineer in the Brainlab R&D Instruments Division, you will develop and document medical devices, ensuring they meet international standards and clinical requirements. You will collaborate with cross-functional teams, conduct literature searches, and define verification tests.

Senior Mechanical Engineer to lead mechanical design and coordination of data center projects. Responsibilities include system design, calculations, coordination with multidisciplinary teams, and ensuring compliance with German regulations and standards. Requires a Bachelor's degree in a relevant engineering discipline and experience delivering mechanical building services projects in Germany.

Postdoctoral position in micrometeorological and statistical modeling to support spatial planning. Applicants must hold a degree in a relevant field and have experience with statistical methods, machine learning, and spatial datasets.

Develops, optimizes, and sustains manufacturing processes for satellite products. Translates designs into production documentation and collaborates with design teams to ensure manufacturability. Supports production activities, identifies process improvements, and ensures compliance with aerospace quality standards.