> Markdown version of [/jobs/ext/1350586-staff-machine-learning-scientist-ranking](https://www.wearedevelopers.com/jobs/ext/1350586-staff-machine-learning-scientist-ranking). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Staff Machine Learning Scientist, Ranking - **Company:** DEPOP - **Location:** UK (Remote available) - **Contract:** Permanent contract - **Skills:** Computer Programming, Python (Programming Language), Machine Learning, Tensorflow, Feature Engineering, Pytorch, Data Strategy, Machine Learning Operations - **Published:** July 20, 2026 - **Apply:** https://www.totaljobs.com/job/staff-scientist/depop-job107715500 ## About the Role * Significant experience working as a Machine Learning Scientist, with a proven track record of delivering and scaling models that solve complex, real-world problems with measurable business impact * Proven track record in designing and optimizing learning-to-rank models * Deep understanding of machine learning concepts and frameworks * Proven ability to productionize ML models and pipelines: from prototyping to deployment, with strong experience in monitoring, iteration, and troubleshooting. * Advanced programming skills in Python and familiarity with ML frameworks such as PyTorch, TensorFlow, or similar. * Experience leading projects and mentoring engineers or scientists, with a track record of fostering team growth and technical excellence. * Excellent communication skills: able to bridge technical and non-technical stakeholders and influence decision making. * Committed to responsible AI practices, including attention to ethics, fairness, and inclusivity. ## Description Depop is looking for a talented Staff ML Scientist to join our Ranking ML team in the UK. You will work alongside a cross-functional team of Product Managers, ML Engineers, and fellow ML Scientists, helping build and maintain ranking models to power Depop's app, serving millions of personalised results to users daily. As a staff-level member of the team, you will be expected to set the technical vision, lead high-impact initiatives, and mentor and coach others to drive innovation at scale, while working across multiple domains and stakeholders., You will: * Lead the design and deployment of advanced ranking models for Depop's entire app, covering personalised recommendations, search results and other surfaces. * Collaborate closely with cross-functional partners (product, engineering, data) to define problems, translate them into scalable solutions, and deliver measurable business outcomes. * Lead the end-to-end lifecycle of ML projects: from ideation, data acquisition, feature engineering, training, and evaluation to deployment and ongoing iteration. * Drive innovation in ranking by researching and integrating emerging ML techniques, frameworks, and tooling, while contributing technical expertise to long-term product and data strategy. * Mentor, coach, and set technical direction within the Ranking ML team, helping others grow and innovate. * Act as a thought leader in the ranking space, sharing learnings internally, engaging with the wider ML community, and showcasing our work externally. ## Related Videos - [DevOps for Machine Learning](https://www.wearedevelopers.com/videos/179-devops-for-machine-learning) - [Hacking Your Vacation: Using Data for Fun](https://www.wearedevelopers.com/videos/585-hacking-your-vacation-using-data-for-fun) - [Machine learning in the browser with TensorFlowjs](https://www.wearedevelopers.com/videos/155-machine-learning-in-the-browser-with-tensorflowjs) - [Photonic Computing: Programming a New Class of AI Accelerators (incl. Live Coding)](https://www.wearedevelopers.com/videos/100196-photonic-computing-programming-a-new-class-of-ai-accelerators-incl-live-coding) - [How We Built a Machine Learning-Based Recommendation System (And Survived to Tell the Tale)](https://www.wearedevelopers.com/videos/752-how-we-built-a-machine-learning-based-recommendation-system-and-survived-to-tell-the-tale) - [Geometric deep learning for drug discovery](https://www.wearedevelopers.com/videos/264-geometric-deep-learning-for-drug-discovery) ## Related Articles - [MLops – Deploying, Maintaining And Evolving Machine Learning Models in Production](https://www.wearedevelopers.com/magazine/115-mlops-deploying-maintaining-and-evolving-machine-learning-models-in-production) - [How to Become an AI Engineer](https://www.wearedevelopers.com/magazine/331-how-to-become-an-ai-engineer) - [Fully Remote Software Engineer Jobs](https://www.wearedevelopers.com/magazine/447-fully-remote-software-engineer-jobs) - [What Are Large Language Models?](https://www.wearedevelopers.com/magazine/304-what-are-large-language-models) - [MLOps And AI Driven Development](https://www.wearedevelopers.com/magazine/82-mlops-and-ai-driven-development) - [Best Companies to work for in London: Top 25 Companies in 2023](https://www.wearedevelopers.com/magazine/187-best-companies-to-work-for-in-london-top-25-companies-in-2023)