freelance English-speaking jobs in Wuppertal

Innovecs seeks a Sales Director / Senior Sales Leader to drive revenue growth in the Supply Chain & Logistics industry. This role focuses on expanding long-term client partnerships and creating new opportunities from existing networks. Requires 5+ years of senior sales or account leadership experience selling IT services / outsourcing within the Supply Chain & Logistics domain. Proven ability to convert long-standing industry relationships into complex IT services or outsourcing engagements is essential.

Leads and steers Heidelberg Materials' Group Innovation portfolio, ensuring alignment with the Group Innovation Strategy. Translates strategic priorities into disciplined execution across a portfolio of high-impact innovation initiatives. Leads a team of 4-8 professionals and oversees startup and ecosystem engagements.

This role involves assessing and re-assessing suppliers, conducting PPAPs and FAIs, and managing critical supplier issues. The Supplier Quality Development Engineer will support supplier development plans and ensure corrective/preventive actions are implemented.

The Director Security Consulting (CEU, GEA, and SEU) drives security-related sales and project delivery across Europe. This role translates International SOS security strategy into actionable plans to expand sales. Responsibilities include market analysis, client relationship management, project leadership, and security offering development. Requires experience in security consulting, project delivery, and leadership. Fluency in English and German is essential.

Intern (m|f|d) - Research & Development - Stock Preparation supports research and development projects in sustainable and efficient paper production. Responsibilities include developing and evaluating test rigs, planning and conducting experiments, and supporting external trials.

As Cyber Security Expert, you will strengthen cyber security capabilities by supporting project teams with requirements, risk assessments, and documentation. You will apply ISO 27001 and IEC 62443 standards, develop procedures, and act as a point of contact for cyber security topics.

Drive and shape financial activities and accounting processes for the German legal entity. Manage statutory accounting, reporting, and compliance with BilMoG. Lead a small team and manage supplier contracts.

The Institute for Digital Economics at Hamburg University of Technology seeks a Research Associate to conduct independent and collaborative research projects, present findings at conferences, and publish in academic journals. The role also involves contributing to teaching and supervising final theses.

Retail Management Apprentice in Bienne, starting August 2026. Three-year apprenticeship focused on customer service, product sales, and ensuring excellent service.

Leads, guides, and develops a team of service specialists while providing technical expertise and customer support. Manages service quotations, interventions, and troubleshooting for automation and equipment performance issues. Collaborates with internal stakeholders and travels to customer sites.

As a Specialist Solution Engineer, you will demonstrate and evangelize Agentforce IT Service, a next-generation ITSM solution built on Service Cloud. You will articulate the value of Agentforce and its seamless integration within the Salesforce portfolio. This role requires expertise in ITSM and the ability to think outside the box to identify solutions that drive sales.

Procurement Support Specialist for indirect materials needed for a 12-month temporary position. Assists with global sourcing activities, supports technology departments, and coordinates communication with partners. Requires a business apprenticeship with further education and experience in purchasing or a comparable support function. Experience with SAP O25 Purchasing Module is essential.

Sales Development Specialist for Asia-Pacific region. Drive outbound sales through cold outreach, LinkedIn, and partner channels. Own end-to-end quoting for servers, networking equipment, and colocation needs. Support clients needing remote hands, hardware installs, migrations, and DC services. Experience in IT/datacenter/infrastructure sales required. Bilingual (Chinese) required.

Software Engineer to design, build, and operate Java applications and services for a mission-critical Tick-Data Platform. Experience with AWS, Kafka, and Agile development methodologies required.

Junior Motion Graphics Designer will collaborate with Creative Producers, Motion Designers, and Video Editors on TV and YouTube ads. Responsibilities include adapting and localizing TV ad projects for different countries, supporting post-production workflows, and creating 3D assets in Blender.

Data Engineer needed to design, build, and maintain scalable data platforms and solutions. Collaborate with stakeholders, optimize data workflows, and stay current with data technologies. Minimum 3 years of experience in designing and implementing data solutions, platforms, and interfaces required. Proficiency in data modeling, modern data technologies, cloud platforms, and big data tools is essential. Excellent communication skills and fluency in German (C1 level) and English are necessary.

Lead and mentor a team of developers, driving architectural decisions and coding standards. Design, develop, and maintain scalable web applications, architecting complex systems for reliability and security. Conduct code reviews, develop automated tests, and collaborate with teams to deliver high-quality solutions.

Lead Solution Architect for FotoFinder's digital product portfolio, including mobile applications, cloud platforms, and connected medical devices. Define and steer the overall architecture, ensuring seamless integration and secure, compliant interoperability. Drive cloud and platform evolution strategy, including migration approaches and integration of new digital products.

Lead a high-performing media buying team and execute multi-million-dollar, multi-channel campaigns across Europe and Latin America. Drive data-led optimizations, negotiate with media partners, and collaborate cross-functionally.

Fullstack Java Engineer to build cloud-based applications using Java, TypeScript, and frameworks like Spring Boot, React, Angular, or Vue.js.