freelance English-speaking jobs in Mannheim

Leads the ecosystem strategy for HubSpot's Builder Platform, encompassing developer platform, APIs, marketplace, and integrations. Drives API parity, monetization strategies, and a seamless developer experience. Builds and scales developer platforms, APIs, app marketplaces, or ecosystem products. Partners with Data Platform, Partnerships, and Product Hub leaders to create a unified builder experience. Represents HubSpot externally with developers, partners, and industry leaders.

Lead the Data Foundations business across Austria and the German Mid-Market, driving profitable growth in integration, data management, and AI. Recruit, develop, and coach a high-performing sales team, own the revenue forecast and GTM strategy, and ensure operational excellence. Masterfully close complex deals and act as a bridge between the Data Foundation specialist team and Salesforce Core teams.

Atomic-scale study of graphene-based van der Waals heterostructures using LT-STM/STS at 5K. Tasks include investigating atomic structure, stacking configuration, defects, grain boundaries, edge termination, and local electronic structures.

Leads a process engineering team in contactor manufacturing production. Optimizes and improves processes and technologies to ensure product quality and cost efficiency. Manages projects, conducts root-cause analysis, and drives process improvements.

Analyze event cycles, feature rollouts, and in-game promotions to identify opportunities and risks. Evaluate game economy, progression, and monetization strategies. Design and execute A/B tests to measure impact and drive product improvements. Build dashboards and reports to support data-driven decision making. Collaborate with cross-functional teams to improve tracking, define KPIs, and communicate results.

Account Manager responsible for selling IVD products and systems in northern Germany. Develops regional sales strategies, builds customer relationships, and proposes solutions to meet customer needs. Requires a scientific degree, 3-5 years of sales experience in immunochemistry/diagnostics, and fluency in German and English.

Lead complex strategic and operational consulting projects related to energy infrastructure, networks, and business transformation. Manage international consulting teams and serve as a trusted advisor to senior stakeholders.

Develop and maintain high-performance C++ software components. Analyze, test, and improve systems. Contribute to technical discussions and mentor colleagues.

Leads Engineering Testing & Laboratory team for Device & Combination Product Development. Plans, coordinates, and executes Engineering Confidence- and Design Verification Testing for Parenteralia / Pharmaceutical Application Systems. Represents ETAG as single point of contact for assigned projects. Establishes and applies phase-appropriate development & testing concepts. Drives test method development incorporating relevant standards and validation. Leads Non-conformity Investigations / Issue Resolutions. Provides general framework and documentation according to GMP and Design Control standards. Supports regulatory submission reports and provides relevant data. Defines and establishes Design Verification Processes. Member in global Design and Development Teams and participates in Design Reviews. Demonstrates creative problem-solving skills and champions new technologies.

Job Description \n A leading international financial institution is seeking a Deputy Money Laundering Reporting Officer to join its Financial Crime Compliance team in Frankfurt.

Support the development of innovative hygiene products and digital solutions. Design digital mockups, physical products, and packaging. Generate and visualize product, service, and business model concepts.

Implement and configure Workday Employee Document Management for global customers. Lead workstreams, understand customer requirements, and design solutions. Support junior team members and share knowledge.

Junior Fuel System Development Engineer (m/f/d) for Airbus Defence & Space in Manching. Responsibilities include participation in concept and design phases, creating specifications, and supporting system qualification and certification. Requires several years of work experience in aerospace, initial practical experience in system design and development, and basic technical understanding of simulation tools. Fluent German and English skills are required.

Lead and develop a high-performing engineering team across all seniority levels. Improve delivery, processes, and AI adoption. Provide hands-on guidance and eliminate silos between Product and Engineering.

As a Product Marketing Manager, you will lead end-to-end product development, define product roadmaps, and collaborate with engineering and R&D. You will engage with customers, manage technical documentation, and drive Alpha/Beta phases.

Associate will support Senior Relationship Managers in servicing banking needs of international Mid-Market clients. Responsibilities include client calls, prospecting, preparing pitch materials, and delivering banking products. Requires 3+ years of relevant banking experience, sales and communication skills, and fluency in English and German.

Development and Integration Engineer (f/m/div.) will drive innovative MEMS technology development for complex products. Responsibilities include implementing development goals, utilizing new technologies, coordinating internal interfaces, and managing quality assessments. Requires multiple years of experience in sensor, micromechanics, and semiconductor technology, as well as a Master's degree in engineering or a related field.

The Director Environmental, Health, Safety & Security (EHS&S) provides strategic leadership and operational oversight for all EHS&S programs across the Dresden site and the broader EMEA region. This role is accountable for protecting employees, contractors, communities, assets, and the environment while driving full compliance with German, EU, and corporate regulations and standards.

IT Security Technology & Compliance Expert will monitor, analyze, and assess cyber threats, conduct risk assessments, and support security incident response activities. The role requires experience with SIEM systems, threat intelligence platforms, and security compliance frameworks (NIS2, ISO 27001, SEMI 187/188, CRA).

Senior System Administrator will act as onsite technical lead for the Berlin office, ensuring smooth IT operations and driving improvements. Responsibilities include providing 2nd-level support, managing Microsoft 365 environment, server infrastructure, and leading IT projects.