freelance English-speaking jobs in Mannheim

Sales Executive will own a mid-market territory and grow ARR by co-selling with strategic partners to help merchants, brands, and 3PLs modernize delivery management. Responsibilities include building and executing joint business plans with partners, driving partner-sourced pipeline, and owning full-cycle sales.

Support the Supply Chain Management team in Sales at Kia Europe Headquarters in Frankfurt. Assist with data collection, report creation, KPI monitoring, and presentation preparation.

Develops and maintains scientific relationships with ophthalmology experts. Supports medical affairs and clinical development initiatives, including trial recruitment and medical education. Provides up-to-date medical information and collaborates with internal and external stakeholders.

Senior executive role shaping and winning large, complex managed IT and business process services engagements in Germany. Leads deal strategy, solution design, and global collaboration. Requires extensive experience in business engineering, strategic deal shaping, and large-scale solution design within IT consulting, managed services, or business process services.

As a Supplier Quality Engineer I, you will support the supplier quality process for motorcycle components. This includes supporting PPAP preparation, incoming part inspection, and warranty data summarization. A Bachelor's degree in Engineering, Quality, or a technical field with 0-2 years of experience is required.

Provides maintenance and service for fuel cells at customer sites, including diagnostics, troubleshooting, and field retrofits. Performs emergency support service and orders parts as needed. Communicates with customers and hydrogen suppliers regarding fuel cell performance and maintenance. Completes administrative duties and documentation. Must have a valid driver's license and be able to lift 50 pounds.

Lead a team of IT Application Managers providing support for finance applications. Ensure stable operation of finance systems (e.g., SAP, Lucanet, TravelPerk) and payment service providers. Translate business requirements into technical solutions and drive IT projects.

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

Inside Sales Representative (m/f/d) Swedish Market supports existing business customers in the Swedish logistics market. Daily work involves regular contact with assigned accounts, maintaining customer relationships, and identifying additional needs. The role is office-based in Berlin and requires Swedish (native level) and English (professional working level).

IU International University seeks a part-time Professor of Computer Science for its Köln campus starting October 1st, 2026. Responsibilities include teaching on-site lectures and supervising student exams and theses. Candidates must have a PhD in Computer Science or a related field, five years of work experience including three outside academia, and English language skills at C1 level.

Evaluates and qualifies global supplier network for scalability, cost-efficiency, and sustainability. Collaborates with suppliers to improve processes, risk management, and production networks. Implements measures to reduce supplier risk and ensure supply chain compliance.

School Teaching Assistant to support teachers in pedagogical processes, lesson organization, and extracurricular activities. Requires pedagogical qualification, practical teaching experience, native English, and basic German.

Supports, expands, and analyzes XL customers, selling DKV Group products. Provides feedback on competitive observations and market trends. Develops the product portfolio in cooperation with specialist departments and other key account managers. Reports and forecasts sales figures. Participates in customer events and sales projects.

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.

Full Stack Developer with a focus on SRE responsibilities. Build features and ensure the health and scalability of the AWS platform. Strong JavaScript/TypeScript, AWS, and PostgreSQL experience required.

Design intuitive HMI interfaces for in-vehicle displays. Collaborate with cross-functional teams to deliver production-ready designs using Figma and other industry-leading tools. Contribute to design systems and explore emerging technologies in UI/UX, automotive tech, and AI-enhanced design workflows.

Manages a network of partner-run locations across Germany and Austria. Oversees partner onboarding, performance monitoring, and issue resolution. Collaborates with internal teams to ensure operational excellence and partner satisfaction.

Experienced Sales Director Germany and Benelux sought to lead sales strategy, build client relationships, and manage a sales team. Proven track record of managing high-value accounts and driving revenue growth in a competitive market required.

Develop and deliver features for a decarbonization platform, collaborating with product managers and contributing to platform architecture.

Senior Applied Researchers lead improvements, automation, and scaling of data-heavy processes. They tackle projects on image quality scoring, taxonomy improvement, entity resolution, and conflict resolution. Responsibilities include collaborating with management, defining project scopes, seeking scientifically valid solutions, and mentoring junior peers.