freelance English-speaking jobs in Mannheim

As an Onboarding Specialist, you will guide healthcare professionals through the adoption of AlfaDocs software, providing training, managing projects, and ensuring successful implementation. You will collaborate with various teams to deliver a seamless customer experience and act as the voice of the customer, sharing insights to improve the product and onboarding process.

Lead the Group Treasury function for a multinational e-commerce organization, ensuring stable liquidity, accurate cash forecasting, and efficient treasury operations.

Medical Scientific Liaison for Rare Diseases / Liver will build relationships with medical and scientific experts, provide scientific education, and support clinical development. Requires an advanced scientific degree, previous MSL experience, and expertise in Rare Diseases / Liver. Fluency in German and English is required.

Lead the electrochemical strategy for a European energy storage company developing a non-lithium battery technology. Define the roadmap for redox chemistry, electrolytes, interfaces, and degradation modeling. Bridge deep science with real-world systems, ensuring innovation translates into manufacturable products.

Install, remove, maintain, and repair engines and components. Perform functional tests, troubleshoot, and repair defective parts. Document work and ensure compliance with regulations.

International Payroll Specialist needed for fixed-term contract (July 2026 - December 2027). Process, audit, and reconcile international payrolls for Germany, Austria, and Switzerland. Partner with external providers and internal stakeholders to ensure accurate and timely payroll reporting.

SAP Consultant for Logistics / Transportation Management. Implements and develops processes and applications within SAP S/4HANA. Designs template processes for the supply chain. Manages roll-out of transportation processes. Conducts trainings and provides documentation.

Security Solution Architect Location: Germany Join Fortinet, a cybersecurity pioneer with over two decades of excellence, as we continue to shape the future of cybersecurity and redefine the intersection of networking and security. At Fortinet, our mission is to safeguard people, devices, and data everywhere.

Provide first-level customer support to Finnish-speaking customers via phone, email, and chat. Process orders, manage customer accounts, and handle returns, exchanges, and repairs.

Lead multiple software development teams, fostering innovation and collaboration. Establish AI-native engineering practices, leveraging Claude Code and similar tools, to drive productivity gains. Ensure adherence to quality, security, and regulatory standards. Synchronize product requirements with business objectives and communicate progress to executive management.

Client Advisor (m/f/d) to join the Miu Miu team in Berlin KaDeWe. Provide excellent customer service, build client relationships, and achieve sales targets. Must have strong communication and sales skills, passion for luxury fashion, and fluency in German and English.

Supports the preparation of the Group's external financial reports, including annual and interim financial statements, ensuring accurate and IFRS-compliant reporting outputs. Contributes to preparing notes and disclosures, performing consistency checks, and reviewing reporting content. Collaborates with external auditors and colleagues from various departments to ensure consistent messaging and high-quality external reporting deliverables.

Leads and manages commissioning and testing activities for photovoltaic (PV) projects, including grid connection and Battery Energy Storage Systems (BESS). Plans, coordinates, and documents the commissioning process, collaborating with subcontractors and stakeholders. Acts as the Responsible Electrical Person, ensuring electrical safety and compliance with standards.

Senior/Staff Web Analyst to design and implement tracking strategies, architect automated data pipelines, and ensure data integrity across web and app platforms.

Lead a team of engineering specialists in the engineering of power plant and hydrogen business initiatives. Manage engineering-related risks and opportunities, ensuring compliance with technical contract execution and documentation standards.

The Cardiometabolic Imaging group at the University Hospital Düsseldorf seeks a Research Associate to investigate heart failure in ischemic cardiomyopathy. The position involves AI-supported analysis of cardiometabolic imaging data and requires a PhD in a relevant field, experience in MR sequence development or data analysis, and knowledge of image processing, data analysis, or machine learning.

Deliver groceries to customers efficiently by e-scooter or e-bike. Maintain a focus on delivery targets and exceed them. Must be at least 18 years old with a valid work permit, driving license, and English or German language proficiency.

Neli Arabi GmbH seeks independent B2B Software Sales Brokers to introduce and sell a premium B2B Enterprise Software platform on a commission basis. Brokers will identify and introduce qualified B2B prospects, arrange discovery calls, and support the sales process. Commission is paid after a client contract is signed and paid.

Provides onsite and remote technical support for end users, including desktops, laptops, peripherals, and mobile devices. Troubleshoots and resolves hardware and software issues. Assists with workstation deployments, device imaging, and equipment setup. Maintains accurate ticket documentation and inventory of IT equipment. Performs regular checks and basic troubleshooting of AV equipment. Follows documented processes and standard operating procedures. Communicates effectively with users to understand issues and set clear service expectations.

Customer Support Specialist will manage customer orders from entry to delivery, handle worldwide shipping, and communicate with various internal and external stakeholders.