freelance English-speaking jobs in Mannheim

Data Center Technicians diagnose and resolve hardware and network problems in AWS data centers. Responsibilities include troubleshooting events within SLAs, performing root cause analysis, and working rotating shifts. Must have experience with computer hardware troubleshooting and repair and fluency in English.

Software Engineer will build and shape a business-critical application, creating, implementing, and deploying software solutions to solve complex problems. Responsibilities include laying the foundation for application setups, promoting teamwork, and improving developer satisfaction.

BayWa r.e. seeks a Category Manager to develop and own the strategy for a strategic procurement category (solar panels, inverters/storage, or commodities). The role involves developing supplier portfolios, managing performance metrics, leading a procurement team, and collaborating with stakeholders to achieve business and sales goals.

Lead the German expansion of a renewable energy platform, building market position, establishing regulatory foundations, and managing the local P&L.

The Exploration Company seeks a General Counsel to manage legal compliance across subsidiaries, oversee employment law and HR compliance, and ensure regulatory and operational adherence. The role involves drafting contracts, managing risk, advising executives, and supporting international expansion. Requires a Juris Doctor, 15+ years of experience in multinational environments, and expertise in corporate governance, regulatory compliance, and ethics.

Antenna Engineer to define the technology roadmap for 77 GHz automotive radar antennas. Responsibilities include architecting antenna systems, leading innovation in antenna-to-chip interfaces, and ensuring manufacturability for high-volume production. Requires an academic degree in Electrical Engineering with expertise in antenna systems and automotive radar technology.

Own the rollout of 6 AI-powered inspection hubs across Germany, starting in NRW. Responsibilities include scouting locations, negotiating leases, converting spaces into tech-enabled hubs, and integrating acquired centers into the operating platform. Must be fluent in German (C2), hold a valid Class B driving license, and have a Bachelor's/Master's degree from a top university. Experience in fast-paced environments is a plus.

MBA Working Student – Junior Finance Analyst supports the Co-Location team's strategic and financial initiatives. Responsibilities include leading a strategic project, conducting market research, developing business cases, and assisting with financial modeling and project finance assessments.

Senior performance marketer to lead D2C strategy for subscription apps and SaaS products. Own PPC, budgeting, and analytics across Meta, TikTok, and Google. Build and manage a small team. Proven track record scaling subscription businesses required. US market experience preferred.

The Regional Safety Engineer will own the Health and Safety function for their assigned area, improving data center safety, advancing safety culture, and protecting employees. Responsibilities include implementing safety standards, conducting audits, ensuring compliance with global programs, developing safety plans, and collaborating with internal and external partners.

Lead strategy and roadmap for Amazon Music's personalization and AI foundations team in Berlin. Drive product development for infrastructure, scalability, and quality assessment approaches. Collaborate with scientists, engineers, and cross-functional partners to improve customer experiences.

Design, build, and operate production-grade, cloud-native applications with AI at their core. Evaluate, integrate, and optimize AI models for production use. Collaborate with product, design, and non-technical stakeholders to identify requirements and turn business needs into value-creating technical solutions. Operate and improve production systems, taking ownership of reliability, quality, and technical debt.

Customer Service Specialist will serve as the primary contact for national and international customers in the field of medical devices and in-vitro diagnostics. Responsibilities include managing contracts, processing orders, coordinating with various departments, and ensuring compliance with regulatory requirements.

Senior Competition Economist needed for fixed-term parental leave position. Provides economic advice in competition law recovery cases, merger control, and day-to-day competition law support. Requires 3+ years of experience in cartel damage recovery and merger control, proficiency in STATA/R or Python, and a strong understanding of competition law.

PhD position to conduct research on the role of water and ions in catalytic reactions. The project will investigate how water and ionic environments influence reaction pathways and catalytic performance.

The Product Owner for Mobile Services defines, evolves, and steers 1&1's mobile service portfolio. The role ensures mobile services remain competitive, standards-aligned, scalable, and ready to support modern use cases.

The Research Center Trustworthy Data Science and Security seeks a professorship in Human-centered Security. The successful candidate will conduct empirical research on IT Security from a user-centric perspective, addressing the interaction of users and technical systems. Applicants should have publications in technical and social science outlets and a strong interest in interdisciplinary research. Teaching load is reduced to four weekly hours per semester.

Project Manager - Category Management plans, executes, and monitors projects, leading IT and process initiatives. Manages budgets, resources, and risks while collaborating with internal and external stakeholders. Requires a university degree in a relevant field and 3+ years of project management experience.

Customer Service Coordinator (m/f/d) manages customer orders, communications, and delivery coordination. Responsibilities include order confirmations, forecast accuracy, delivery issue mitigation, and customer portal management. Requires fluency in German and English, vocational training, and experience in a manufacturing environment.

Assistant Store Manager will analyze KPIs, motivate employees, and ensure optimal product presentation. The role requires strong communication, organizational, and analytical skills, as well as experience in retail management.