555 English-speaking jobs in Berlin

Volunteer advisor needed to support the development of an open ESG data platform. Provide guidance on data ingestion pipelines, parsing, transformation, and storage. Advise on data quality, infrastructure, and integration with AI/LLM workflows.

Lead a local community of culture, wellbeing, creativity, and development experts. Organize gatherings, connect with peers, and grow your network.

Lead materials development activities for Corning Optical Communications globally, applying polymer science and engineering expertise to support new product development and existing products. Assist with polymer compound selection and evaluation for cable applications and serve as a materials subject matter resource for product and project engineers. Conduct research, propose experiments, analyze data, and collaborate with internal teams to provide polymer materials fundamental understanding and development support. Interface with suppliers to test and evaluate new materials and resolve problems.

Cardmarket seeks a Payment Operations Specialist to manage payment processes across its marketplace. Responsibilities include transaction reconciliation, funds flow management, onboarding support, dispute resolution, and vendor relations.

Happy Mammoth seeks a part-time freelance Creative Strategist with a direct-response mindset for paid media (Meta-focused) campaigns. Develop performance creative strategy, translate data into creative decisions, and build testing roadmaps. Proven experience in performance marketing creative and direct-response copywriting required.

Biotechnology Research Expert needed for contract role. Review and evaluate AI-generated outputs related to experimental design, genomic data analysis, and biotech research methodologies. Must have 3+ years of experience in biotechnology, genomics, proteomics, or molecular biology. Advanced degree preferred.

Principal Engineer will own the technical architecture of Cozero's data platform and drive technical initiatives. Responsibilities include cross-cutting technical initiatives, engineering standards, and technical decision-making. Requires 10+ years of software engineering experience, leadership experience, and fluency in TypeScript/Node.js and AWS.

Experienced Project Director to lead a large-scale data center construction project. Full project lifecycle management, from concept design to handover, ensuring safety, quality, schedule, and cost objectives are met.

Experienced Project Director needed for large-scale data center construction. Full project lifecycle management from concept design to handover, ensuring safety, quality, schedule, and cost objectives are met. Strong leadership, cross-disciplinary coordination, and budget management skills required. Minimum 10 years' experience in large-scale construction projects with at least 5 years in data center environments.

Senior Buyer develops and implements buying strategies, manages vendor relationships, and oversees product selection and inventory management. Requires 5+ years of fashion buying experience, strong analytical skills, and a passion for trends.

This role involves driving the commissioning and start-up of low-voltage power distribution systems, performing on-site diagnostics and troubleshooting, and ensuring optimal system performance through maintenance.

Experienced lawyer sought to run and grow their own practice within a supportive international firm. Minimum 8 years post-qualification experience required. Must be a recognized expert in their field, entrepreneurial, client-centric, and collaborative. Fluent English required. Active practicing certificate/license with no restrictions. Willingness to operate on a self-employed basis.

Lead the global strategy, governance, and transformation of Payroll & Time Management, ensuring scalable, compliant, and future-ready solutions across multiple regions. Manage and steer global payroll providers, lead transformation programs, and manage a small team of experts.

Leads the design, execution, and delivery of qualitative research, including patient interviews, focus groups, and analysis of patient experience data. Provides expert guidance on study design, methodological approaches, and interpretation of findings. Acts as a trusted advisor to clients, contributing to research design and evidence needs. Manages multiple projects, ensuring on-time delivery and client satisfaction. Contributes to the development and refinement of qualitative research standards and training materials. Mentors and coaches junior staff, providing scientific guidance and developmental feedback.

Supervise international students aged 10-17 from 10pm to 6am at a summer camp in Berlin-Wannsee. Ensure student safety, address issues, and liaise with the Camp Manager. Experience in youth or group work and good English skills are required.

Spearhead the architecture of an electrochemical CO₂ capture system, from modeling to novel designs. Lead supplier and research institute partnerships, mentor a team, and turn experimental data into predictive tools. Requires a Master's or PhD in a relevant field and 5+ years of industrial electrochemical experience.

Senior Cost Manager to oversee financial strategy for complex datacenter construction projects. Develop cost models, manage procurement, and implement contract governance. Requires experience in datacenter construction and MEP cost drivers.

Lead the end-to-end delivery of complex GenAI, Agentic AI, and ML transformation programs across enterprise environments. Work directly with customers to design, implement, and operationalize AI solutions, bridging technical implementation and business outcomes.

Executive Assistant to support the CEO in a hospitality-focused business. Manage calendar, travel, and communications. Act as gatekeeper and prepare briefings, meeting notes, and executive communications. Run projects and handle ad-hoc tasks.

Senior Forward Deployed AI Engineer leads enterprise AI platform deployments across complex client environments, owning program outcomes and driving business value. Requires 8-10 years of experience with cloud-native systems, agentic solutions, and AI platforms. Experience leading software engineering teams and articulating business value to senior stakeholders is essential.