freelance English-speaking jobs in Mannheim

Head of Payroll manages monthly payroll for Germany, Switzerland, Austria, and other countries. Responsibilities include stakeholder management, statutory reporting, and supporting the employee lifecycle. Requires German payroll expertise and knowledge of German employment law.

Analyze psychometric, behavioral, and business data to produce evidence-based executive-assessment reports in German and English. This role translates psychological insights into commercial implications for senior leaders.

Procurement Specialist for Facility & Construction Services drives the Sales Market procurement strategy. Responsibilities include securing a compliant supplier base, managing agreements, and supporting the full procurement cycle. Requires 3+ years of relevant experience.

Field CSO builds trusted advisor relationships with IT executives to influence cyber security capabilities. This expert guides customers toward Cyber Resilience, demonstrating thought leadership through industry engagement.

We are looking for a motivated, communicative, and well-organized HR Management Intern to join our Berlin team. You will support recruitment, employer branding, applicant management, people operations, and employee experience. You will gain direct insight into how an internation

Experienced Freelance Commissioning Manager needed for utility-scale BESS projects in Germany. Lead commissioning, testing, and energization of energy storage projects. Requires proven experience with BESS, MV/HV electrical systems, and stakeholder coordination.

Define, implement, and develop global standards and governance principles for tax-related reporting. Embed compliance requirements across tax, legal, and financial reporting processes. Requires a university degree and relevant experience in project management and international tax law.

Lead and mentor an applied science team for Multi-Modal Industry Foundation Models. Drive research strategy, ensure model quality, and deliver foundation models for structured business data. Requires strong scientific judgment and leadership.

Data Scientist role focused on turning experimental and product data into analytical solutions. Requires expertise in AI, ML, statistical modeling, and predictive analytics using Python.

Senior Product Manager will design, develop, and manage activities for BaFin reporting products. Responsibilities include defining product roadmaps, collaborating with stakeholders, and driving product adoption. Requires a Bachelor's degree in a relevant field, 5+ years of product management experience, and knowledge of EMEA regulatory reporting.

Intern/Working Student in Product Development to support R&D and Product teams. Tasks include market analysis, preparing 2D/3D designs, and assisting with product launches. Bachelor's or Master's in a related field is required.

Senior Operations Controller develops production plans, monitors performance, and coordinates material availability. This role analyzes data, manages resources, and supports S&OP processes within a manufacturing environment. Requires relevant degree and experience with ERP systems.

Technical Property Manager ensures safe, functional environments by managing full Facility Management scope across the Sales Market. Responsibilities include supplier management, portfolio monitoring, and driving energy initiatives. Requires 3+ years' FM experience and fluency in English and German.

Own the practical infrastructure of the Berlin workplace, managing facilities, suppliers, and financial administration. Coordinate onboarding, improve processes, and ensure smooth daily operations. Requires German and English fluency.

Senior Business Development Manager to acquire new customers and develop strategic partnerships in the biotech CDMO field. Requires life sciences studies, years of BD experience with a strong track record, and excellent negotiation skills.

Economist to contribute to analysis of exchange rates, commodity markets, and international financial issues. Develop policy positions and prepare briefings for international fora. Requires a master's degree in economics, international finance, or a related field and at least four years of experience analyzing global policy issues.

Senior Robotics Engineer focused on dexterous manipulation for manufacturing. Own software for multi-DoF hands, from low-level joint control to grasp behavior on real hardware. Requires strong C++ and Python, ROS 2, and real-time control experience.

Accountant Trade Invoicing Services supports trade invoicing within the O2C process. Responsibilities include E2E monitoring, SAP topic analysis, and creating sales & KPI reports. Requires 2-5 years in AR, Invoicing, or Supply Chain.

Develop and optimize quantitative trading strategies for flexible assets across various energy markets. Build predictive models for price forecasting, asset availability, and market spread identification. Collaborate with traders to validate strategies and incorporate trader insights.

Develops the Purchasing & Procurement Domain according to the Area Consulting CoE Sustainable Enterprise and Corporate IT Strategy. Translates business needs into scalable, secure, and value-driven IT solutions. Acts as advisor, guiding business units through ideation, process optimization, and technology scouting. Ensures adherence to the Enterprise Architecture Management (EAM) framework.