freelance English-speaking jobs in Wuppertal

Senior Salesforce Developer to architect, implement, and maintain high-quality solutions using Apex, Flows, and LWC. Own end-to-end delivery, build strong architectures, and integrate systems via REST/SOAP.

Support project communications for the 3M team, focusing on social media management, content creation, and graphic design. Assist with project management, research, and event organization. Requires university enrollment and English proficiency.

Build and own internal AI tools to automate and improve the commercial team's operations. Develop lightweight applications and optimize the GTM tech stack. Proof of building an AI application is essential.

Principal Strategy & Consulting bridges business strategy, customer challenges, AI, and technology. This role develops growth plays, creates compelling propositions, and advises executive stakeholders on business transformation.

Lead the strategy and roadmap for global e-commerce platforms to enable scalable, performant commerce experiences. Own platform investments, manage vendors, and drive cross-market consistency. Requires 7+ years in e-commerce product management.

Senior UX/UI Designer to own end-to-end design for web and mobile products. Requires 5+ years experience, expert Figma skills, and hands-on use of AI-assisted design tools in production workflows.

Portfolio Manager (Associate) for Leveraged Finance in Frankfurt. Responsibilities include analyzing borrower financial performance, preparing reports, and managing relationships with arranging banks and company management. Requires knowledge of leveraged finance, credit/risk analysis, cash flow modeling, and strong communication skills.

Design and implement software solutions for a service-oriented platform. Develop .NET Core interfaces with Azure cloud services. Accompany solutions throughout their lifecycle.

PhD student position in chemistry/biochemistry focusing on developing compartmentalized polysaccharide microgels for programmed drug release. Tasks include synthesizing biodegradable microgels and analyzing degradation via microscopy. Requires a Master's in a relevant field.

Develop and implement a holistic trade marketing strategy for defined accounts, focusing on category football. This role involves planning and executing impactful events, analyzing marketing initiatives, and managing budgets across Central Europe. Fluency in German and English is required.

Drive FAIRTIQ’s growth in Central and Eastern Europe. Build trusted relationships with public transport authorities to develop long-term partnerships. Requires deep public transport sector experience and proficiency in a Slavic language plus C1 English.

Senior Ground Software Engineer needed for mission-critical defense and aerospace systems. Develop high-performance, operator-facing C++ applications across Linux and Windows. Requires 5+ years of experience and strong software architecture knowledge.

AV Project Manager to lead large-scale corporate events from initial quote to execution. Requires experience in AV production, live events, and end-to-end technical delivery. Must be a strong technical leader with German fluency and good English skills.

Delivery Lead supports multiple customer engagements, ensuring successful project outcomes. Manages customer relationships, consultant onboarding/offboarding, and project documentation. Conducts regular checkpoints, monitors project status, and resolves issues. Requires 2+ years of IT experience, strong communication skills (English and German), and project management experience.

Experienced Civil or Structural Engineer needed for energy infrastructure projects. Responsibilities include civil and structural design for battery storage and substations. Requires a relevant degree, design experience, and fluent German and English.

This role involves acquiring, managing, and disposing of real estate assets. Duties include negotiating leases, processing contracts, resolving disputes, and maintaining property databases. C1 English and German proficiency is required.

Drive security architecture for OpenStack and Kubernetes. Develop automation in Go/Python, enforce IaC, and manage identity/secret infrastructure. Conduct threat hunting and build SIEM detection use cases.

Director Medical Innovation & Liaison Pharma shapes the global injectable and IV portfolio. This role combines Medical Affairs leadership with innovation scouting, evaluating enhanced generics and drug repurposing opportunities. Requires advanced degree and 6+ years in pharmaceutical Medical Affairs.

Managing Director role with overall responsibility for a company in the automotive industry. Requires a Master's degree and senior management experience, including P&L ownership and strategy execution. Must be fluent in German and English.

Product Engineer - Frontend role building a collaborative scheduling platform. Focus on TypeScript, Vue, and frontend development, with growth potential into full stack. Requires 2-5 years of experience.