freelance English-speaking jobs in Mannheim

Working Student for AI Video & Game Production. Identify and precisely describe where the AI engine's output breaks in games and videos. Understand the engine's inner workings to drive concrete improvements with the development team. Requires university enrollment and strong German/English.

Engineering Work Student to advance SF6-free medium-voltage switchgear. Responsibilities include building assemblies, creating detailed work instructions, and collaborating on design improvements. Requires Mechanical or Industrial Engineering degree and hands-on assembly experience.

Develop power and precision measurement electronics for test systems from concept to final product. Requires a degree in Electrical Engineering and several years of experience in Analog & Power hardware design.

Lead international Operational Excellence and Lean Manufacturing programs across production sites. Drive site optimization, manage CAPEX projects, and standardize performance frameworks. Requires 8+ years in international manufacturing with strong leadership and German/English skills.

About the Company: We're a team of 130+ innovators driving change through open-source tech and AI, co-creating the future with our customers. Our expertise spans full-stack development and custom AI engineering, delivering smart, scalable solutions that power digital transformation. With agile methods at our core, we create impactful products like an AI-driven chatbot.

Design and build production-grade AI applications, focusing on agentic systems and multi-agent architectures. Develop scalable backend services and establish engineering standards for safe, reliable enterprise AI deployment.

We are seeking a Microsoft D365 Finance and Operations Functional Consultant to implement, configure, and maintain D365 solutions. The role requires a deep understanding of financial and operational processes, excellent problem-solving abilities, and strong customer service.

Own the strategy cycle, translating it into company OKRs and driving strategic initiatives. Manage the leadership operating rhythm, partner ecosystem, and investor materials. Requires 4+ years in strategy/consulting with automotive or defense industry knowledge.

Support PLM Data Management by digitizing and standardizing portfolio data. Assist experts in structuring technical product data and harmonizing features. Requires current enrollment in a technical or business degree.

Junior Sales Manager responsible for operational sales and business development in Northern Germany. Tasks include identifying market potential, creating budgets, and conducting negotiations. Requires a university degree in engineering or natural sciences and strong communication skills.

Deliver groceries to customers efficiently by e-bike or e-scooter. Meet 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.

Field Service Engineer to provide technical support for Nanographic Printing presses. Responsibilities include resolving on-site technical issues and transferring knowledge to operators. Requires 2+ years of product support experience in the graphic arts industry.

Senior Finance Operations Manager to own end-to-end financial operations for a growing AI startup. Design scalable frameworks, track project profitability, prepare management reports, and lead commercial finance initiatives. Requires 5+ years in finance operations.

Doctoral Researcher position in digital platform ecosystems, focusing on federated networks. Requires a Master's in economics, business administration, or related social science with quantitative skills.

STEM Specialist role analyzing complex problems in physics, chemistry, mathematics, or biology to enhance AI model training. Requires a STEM degree and one year of relevant experience.

Proactive Operational Support Specialist needed to support German operations and EUCOM portfolio. Responsibilities include coordinating daily activities, resolving operational issues, and improving processes. Requires experience in support roles and proficiency in Microsoft 365.

Executive Assistant to the President ZEISS Ophthalmology. Act as a trusted advisor and execution partner to drive strategic priorities, coordinate business processes, and ensure key initiatives across functions and regions. Requires a Master's degree and significant professional experience.

All3 is transforming how buildings are conceived, developed, and delivered. We combine AI-powered design with robotic prefabrication and on-site assembly to build custom architecture at the cost and speed of mass production - unlocking even the most complex sites. We're currently seeking a Senior Lawyer - Construction & Contract Law (m/f/d) to join our team.

Support preparation of Group external financial reports, including annual and interim statements, ensuring IFRS compliance. Contribute to notes, disclosures, and policy application while collaborating with internal and external teams.

Lead and build LiveEO's global Sales Engineering organization, unifying regional teams. Own the strategy and technical rigor for pre-sales, focusing on geospatial analytics and embedding MEDDPICC discipline.