529 germany English-speaking jobs in Berlin

Payment & Fraud Analyst will handle chargebacks, refunds, and internal tickets for B2C eCommerce shops. The role involves monitoring fraud trends, supporting new eCommerce developments, and reconciling sales and payment data.

Analyzes payment and fraud trends, handles chargebacks and refunds, and supports B2C eCommerce operations. Requires commercial or financial background, eCommerce experience, and strong analytical skills.

PhD student position available for research on novel gain materials for direct blue-to-violet solid-state lasers. The successful candidate will investigate the temperature-dependent spectroscopic and laser properties of Tm3+-, Tb3+- or Pr3+-doped fluoride and oxide laser gain materials.

Postdoctoral Researcher to contribute to a research program focused on improving the thermo-optical properties of Ge single crystals for infrared applications. The position involves advanced research in Ge crystal growth, characterization, and collaboration with industry and international partners.

Provide administrative and medical support to AI research teams. Create deliverables, review peer work, and collaborate on projects. Requires 4+ years of experience and strong written communication skills.

Lead Technical Writer will source and review software engineering documents, ensuring they meet quality standards and include features like diagrams and code snippets.

Customer Support/Success Professional for Mercor. Review and assess documents for quality and accuracy. Provide feedback to improve projects. Must have a Bachelor's degree, 2+ years of experience, and proficiency in Excel, PowerPoint, and Word.

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.

Shape end-to-end product experiences across web and mobile platforms for B2C and B2B audiences. Translate insights into action through user research, experiments, and iterative design. Contribute to a multi-platform design system and collaborate cross-functionally.

The Berlin Metropolitan School seeks a full-time School Counselor to provide a comprehensive counseling program for Upper Primary School students (Grades 4-6). The School Counselor will deliver individual and group counseling, support families, and collaborate with staff to ensure student wellbeing and development.

Lead the design of complex digital products end-to-end, from concept and UX strategy through to scalable UI systems and implementation. Translate research insights, product ambition, and brand direction into clear interaction models, intuitive user flows, and high-quality interface design. Work closely with product, engineering, research, and strategy teams to shape feasible, forward-thinking solutions. Design AI-powered interactions such as conversational interfaces, adaptive systems, and personalization patterns. Drive iteration and validation cycles, using user feedback and data to continuously refine and elevate the product experience. Contribute to and evolve scalable component architectures in Figma, ensuring consistency, efficiency, and long-term maintainability. Establish and refine collaboration workflows across design, product, and engineering.

Senior Mobile Product Designer will participate in presales activities, lead discovery and UX architecture, and create prototypes, user flows, and mockups using Figma. Must have advanced Figma skills, mobile-first expertise, and experience in user research and usability testing. Portfolio showcasing both polished work and raw materials is required.

Lead DevOps Engineer to design, own, and scale the multi-cloud infrastructure of IQA, an AI-powered SaaS solution for global manufacturers. Define and execute the multi-cloud infrastructure roadmap, own the technical strategy for Kubernetes-based deployment infrastructure, and build, deploy, and monitor deployments across various cloud providers and on-premise setups. Engineer DevOps tooling and automation layers, own the infrastructure strategy including data, CI/CD, and orchestration, and develop and optimize APIs and data processing systems using Python. Collaborate with product and engineering leadership to translate business requirements into robust infrastructure capabilities.

Experienced Talent Acquisition Partner to own end-to-end recruitment for Engineering and Tech roles. Drive hiring strategy, optimize funnel quality, and build diverse candidate pipelines. 12-month fixed-term role focused on immediate impact and strengthening hiring practices.

Supervise police and detectives, create deliverables for AI research, review peer work, and contribute expertise to machine learning systems. Must have 4+ years of experience and excellent written communication skills.

Provide administrative support for AI research projects. Create deliverables, review peer work, and collaborate with research teams. Requires 4+ years of experience and strong written communication skills.

B2B Sales Expert needed for contract role. Develop sales tasks, build scenarios, and create ICP lists, proposals, and SOWs. Must have 3+ years of experience in B2B sales, SDR/BDR leadership, or customer success. Expertise in sales frameworks and CRM operations required.

Senior Mechanical Engineer needed for a 3-4 week contract. Diagnose and solve mechanical engineering issues to support AI research. Contribute expertise to advance machine learning systems. Must have a Bachelor's degree and PhD or 4+ years of experience.

Senior Product & UX Designer needed for contract role. Build product design tasks with deterministic rubrics for agent performance evaluation. Must have 3+ years experience, portfolio, and expertise in Figma, design systems, accessibility, and prototyping.

Industrial Engineer needed for a 3-4 week contract. Collaborate with AI research teams to improve model outputs and diagnose issues in machine learning systems. Must have 4+ years of experience and excellent written communication skills.