freelance English-speaking jobs in Mannheim

PhD Positions in Agentic AI for Medical Image Analysis Reference number: 2026-0230 Heidelberg Full-time Medical Image Computing The German Cancer Research Center (DKFZ) is one of Europe’s largest cancer research centers. “Research for a life without cancer" is the mission of our world-class scientists and all our team members.

Experienced SAP CAR Consultant needed for a year-long assignment. Must have proven project experience with SAP CAR POS-DTA and SAP CAR-OSTA, including implementation and customizing. Fluent English is required.

Build or improve real AI projects using open-weight and Gemini models. Work independently and asynchronously on tasks. Must actively build a project using AI tools and be comfortable with basic terminal setup on Mac or Linux.

Responsibilities include (but are not limited to): Technical ownership of vehicle dynamics and driving behaviour at complete vehicle level Definition and management of vehicle dynamics targets, attributes and measurable KPIs Translation of vehicle-level targets into system and component requirements for suspension, steering, braking, tyres and vehicle dynamics control systems Development and evalu

Senior Marketing Automation Engineer builds and runs services, integrations, and internal tools for performance marketing. Requires 5+ years of software engineering experience, strong Python, REST API design, and SQL skills.

Build reliable backend features for our B2B squad using C# and AI tools. Work on real, live systems powering our business. Ideal for a student comfortable with C# and AI-native development.

Innovation Engineer to develop game-changing cycling technologies. Responsibilities include designing, building, and testing prototypes, and transferring innovations to product development. Requires a Master's in Electrical Engineering or related field and 2+ years of experience.

This Postdoctoral Researcher role focuses on Research Data Management and Community Engagement for the PUNCH4NFDI 2.0 project. The position bridges technical tools and user needs, coordinating outreach, training, and stakeholder networking. A Ph.D. in a quantitative field is required.

HS(S)E Head provides leadership across project phases, managing HSE budgets and securing site licenses. Responsibilities include ensuring regulatory compliance, risk assessment, and leading safety training. Requires a Master's degree and experience in industrial operations.

Establish and lead an independent junior research group within the "Balance of the Microverse" Cluster of Excellence. Requires PhD/postdoc experience in cluster fields and a strong research track record.

Software Development Engineer focusing on AI-assisted development practices. Develop scalable backend services primarily using Go, design software architectures, and support distributed systems. Requires CS degree and backend experience.

Deliver groceries to customers efficiently by e-bike or e-scooter. Maintain and exceed delivery targets while providing exceptional customer service. Must be at least 18 years old, have a work permit in Germany, and speak English or German.

Provide customer-facing technical service for XSYS equipment across EMEA. Responsibilities include installation, maintenance, troubleshooting, and providing technical support on-site. Requires strong analytical skills and customer orientation.

Gain insight into consumer goods finance through an internship. Work with cross-functional teams on projects like competitor analysis or new product launches. Requires strong analytical skills and proficiency in German and English.

Experienced Dutch-speaking High-Ticket Sales Closer needed for a real estate/home improvement client. Conduct video sales calls, build rapport, handle objections, and convert qualified prospects into customers to meet revenue targets. Fluent in Dutch and English is essential.

Assistant Store Manager supports the store manager to meet financial targets, coach the team, and ensure operational excellence. Requires 2+ years in retail management, people management, and fluency in English with good German.

Build Etteplan's defense business in Germany from the ground up as Director Defense Germany. Define and execute the growth strategy, lead business development, and manage the defense P&L for Etteplan Defense GmbH.

Kfz-Mechatroniker / Kfz-Monteur (w/m/d) for vehicle glass. The role requires technical competence, customer service skills, and adherence to company policies.

Build and shape the Marketplace Data Analytics & Operational Excellence capability. Develop a multidisciplinary team, create data vision, and turn insights into scalable improvements using SQL, Power BI, Python, and AI tools.

Senior Planner for hyperscale data centre construction. Manage the full project programme lifecycle using Primavera P6. Requires experience in data centres, pharma, or semiconductor environments.