freelance English-speaking jobs in Mannheim

Fully funded 4-year postdoctoral position in cognitive neuroscience at the Max Planck Institute for Human Cognitive and Brain Sciences. The position focuses on the cross-domain functions of the perirhinal cortex, combining computational modeling, fMRI, and experimental paradigms. Applicants should have a PhD in a relevant field and strong interest in the medial temporal lobe.

Lead the engineering effort for EMERGENCY HQ, a successful live mobile game. Own the technical roadmap for features, systems, and events. Lead engineers through mentoring, code reviews, and standards. Architect and implement gameplay, meta, and content pipelines. Maintain performance and stability targets. Own CI/CD and release health. Integrate and maintain analytics, telemetry, and A/B testing. Keep SDKs and platform requirements current. Partner with QA on test strategy.

Founders Associate to work directly with the Founder & CEO of a leading AI-native commercial insurance broker. Drive strategic initiatives across go-to-market, finance, operations, and the CEO's office.

Principal Consultant to set up and govern Focused Build methodology for SAP S/4HANA programs. Align delivery with SAP Activate and Agile principles. Manage requirements, configure ChaRM workflows, and design test plans.

Software Development Manager to lead a team and own the technical architecture of AI-powered software products. Experience in AI system design, LLM integration, and scalable software architecture required.

Creative Lead for a well-funded DTC brand seeking to expand across Europe. Experience briefing and overseeing paid creative, DTC experience essential, German fluency required. Will brief agencies, creators, and influencers, review all ads, and shape brand voice. Hybrid role based in Berlin.

IT Support Specialist (L2) will resolve complex incidents, conduct root cause analysis, and act as a technical resource for the L1 team. Requires 4-6 years of IT support experience, advanced troubleshooting skills (Windows, Microsoft 365), Active Directory experience, and knowledge of Intune/Endpoint management.

Supports a leading defense technology organization in configuration and data management for complex military satellite communications programs. Ensures data integrity, traceability, and configuration control within a highly regulated environment.

Responsible for warehouse process planning and optimization, automation planning, pre-sales support, and standardization system construction within European logistics operations. Requires 5+ years of experience in warehouse process or automation planning, fluency in English, and proficiency in CAD and data analysis tools.

Lead end-to-end HR operations for Germany and Europe, including onboarding, payroll, compliance, and employee relations. Design talent acquisition strategies for technical roles and ensure compliance with German labor law and GDPR.

Customer Service Representative needed to manage customer accounts and deliver excellent service, particularly to the French market. Responsibilities include order processing, communication, and handling customer inquiries. Fluent French and B2 level German required.

Dentons Europe seeks a Europe Head of Opportunity Management to lead a Proposals and Credentials team. The role involves setting strategy, managing a team, leading major pitches, and collaborating with leadership to ensure a consistent go-to-market approach. The successful candidate will have significant experience in proposal management within professional services, a strong understanding of proposal technologies, and excellent stakeholder management skills.

INIKTI seeks a native German speaker to establish and grow its business in Germany. The Country Representative / Business Development Manager will identify and secure new business opportunities in the wind energy sector, build strategic partnerships, and act as a market expert for INIKTI's leadership team.

CAIZ is seeking a Chief Marketing Officer (CMO) to lead marketing strategy, focusing on user acquisition, engagement, and brand recognition in the crypto space. The ideal candidate has 5-7 years of marketing leadership experience, with at least 3 years in cryptocurrency or blockchain.

Site Manager to lead electrical & controls construction on large-scale projects. Requires 3+ years experience managing installations of MV, LV, and VLV systems, including substations, utilities, and process systems. Strong knowledge of German electrical and construction standards is essential.

Develop control software for next-generation lithography systems. Implement embedded control systems on bare metal, embedded Linux, and firmware. Define software architecture and evaluate technical feasibility.

Technical co-founder to build a physical product (robotics, energy systems, medtech, etc.) from prototype to fundable company. Full technical ownership, including architecture, prototyping, and IP protection. Requires a degree or equivalent experience in a relevant field and a proven track record of building physical products. Full-time commitment, relocation to Berlin required.

Independent art-social video project seeks families (parents with children, multi-generational) in Berlin for a documentary-style film. The project focuses on the beauty of the present moment and authentic family relationships.

Freelance Lecturers in Cyber Security (Bachelor's and Master's) are needed to teach cybersecurity modules at MEDIADESIGN UNIVERSITY OF APPLIED SCIENCES in Berlin. Applicants must have a Master's degree in Information Technology, at least 2-3 years of relevant work experience, and one year of teaching experience.

The Product Lead drives the strategy, development, and delivery of OTC derivatives and complex financial instruments, ensuring alignment with client needs, regulations, and State Street Alpha's vision. Responsibilities include market research, product roadmap development, end-to-end product lifecycle management, client implementation, and operational oversight.