Location: Berlin, Germany (Fully Remote)Salary: €90,000 - €120,000 + EquityLanguage Requirement: German (B1 minimum)We're looking for an experienced Machine Learning Engineer to join a growing AI team developing intelligent systems that power a market-leading software platform. This is an opportunity to work across the full machine learning lifecycle, taking ideas from research through to production and delivering AI-powered features that have a tangible impact on end users.The RoleAs part of a cross-functional Product and Engineering team, you'll design, build and deploy production-grade machine learning and AI solutions. You'll work across everything from predictive modelling and intelligent search to agentic AI systems, owning projects end-to-end and continuously improving them through experimentation and data-driven iteration.Key ResponsibilitiesDesign, develop and deploy machine learning models from concept through to production.Build predictive models that support intelligent decision-making using large-scale datasets.Develop and enhance search, ranking and retrieval systems to improve user experiences.Design offline evaluation frameworks, run online experiments and A/B tests, using data to drive continuous improvement.Build and evolve AI agent workflows capable of multi-step reasoning and solving complex real-world problems.Deliver production-ready solutions, including models, backend services, APIs and integrations with modern web applications.Collaborate closely with Product, Engineering and Data teams to translate business challenges into scalable AI solutions.Monitor, maintain and optimise deployed machine learning systems to ensure performance, reliability and ongoing improvement.About YouWe're looking for someone who combines strong machine learning expertise with a product-focused mindset and enjoys taking ownership of solutions from idea through to delivery.Essential Skills & Experience5+ years' experience designing, training and deploying machine learning models in production environments.Strong knowledge of both classical machine learning and deep learning, with hands-on experience using frameworks such as PyTorch.Excellent Python development skills, writing clean, maintainable production code.Extensive experience building LLM-powered applications, including Retrieval-Augmented Generation (RAG), AI agents, tool use, evaluation frameworks and multi-step reasoning systems.Experience evaluating model performance using offline metrics and online experimentation, including A/B testing.Working knowledge of TypeScript, Node.js and modern front-end frameworks such as React, enabling you to integrate AI solutions into customer-facing applications.A proven track record of delivering complete product features, taking projects from research and prototyping through to production deployment.Strong problem-solving skills with the ability to navigate ambiguity and prioritise effectively.A pragmatic, data-driven approach, using experimentation to validate ideas and drive decisions.German language skills at B1 level or above.DesirableExperience building recommendation, search, ranking or pricing models.Exposure to embedding models, fine-tuning foundation models or large-scale model training.Experience working within marketplace, SaaS or other data-rich product environments.What's on OfferFully remote position based in Germany, with the flexibility to work from anywhere in the country.Competitive salary of €90,000 - €120,000, depending on experience.Equity package, giving you the opportunity to share in the company's long-term success.The chance to work on cutting-edge AI products with real-world impact alongside a highly collaborative engineering team.

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Senior Machine Learning Engineer