About Clarity AIClarity AI is a global tech company founded in 2017 with a unique mission:bringing societal impact to markets.We leverage AI and machine learning technologies to provide top international investors, governments, companies, and consumers with the right data, methodologies, and tools to make more informed decisions. We are now a team of more than 300 highly passionate and curious individuals from all over the world, with offices in New York, Madrid, London, Paris, and Abu Dhabi. Together, we have established Clarity AI as a leading sustainability tech AI company backed by investors and strategic partners such as Black Rock, Soft Bank, and Deutsche Börse.We are dedicated to cultivating an exceptional workplace environment, and we take pride in our culture, defined by our commitment to being fact‑based, diverse, transparent, meritocratic, and flexible.About the RoleWe are looking for aSenior Data Scientistwith a strong scientific mindset and relevant experience to help us bring societal impacts to market and make a difference. You would be part of a team of +20 international Data Scientists coming from top Academic Institutions and Tech Companies with a shared passion for data science and a growing mindset.What You’ll Be DoingImproving the performance and lifecycle of production ML systems, ensuring scalability and rapid issue llaboratively designing and deploying end‑to‑end ML models, LLMs,



and agent systems that deliver transparent and accurate sustainability data to customers.Leading the strategy and execution of proofs of concept to validate technical feasibility.Translating business goals into technical requirements and proactively identifying new opportunities.Enabling decision‑making by effectively communicating technical insights to non‑technical stakeholders.The role is based in Madrid (Remote / Hybrid).What You’ll Need3+ years of experience working on Data Science products.Strong command of the Python data science ecosystem (Pandas, Matplotlib, Scikit‑Learn, etc.).Proficiency working in collaborative codebases and scalable machine learning production environments.Solid software engineering fundamentals (testing, code review, design, performance).Up‑to‑date experience with LLMs, agentic workflows, prompt engineering, RAG, vector databases, evaluation, and safety guardrails.A strong commitment to sustainability and impact.A willingness to learn and share knowledge with the team.Transparency and a focus on effective, constructive communication.High motivation, independence, and a deep passion for making an impact through data science.Excellent oral and written English communication skills (minimum C1 level proficiency).Experience in a startup.MSc/Ph D degree in CS/EE/STEM or related field.Experience with fintech/data products or sustainability/ESG domains.What We OfferCompetitive compensation, both in terms of base salary as well as equity plans that enable you to share in our success.Flexibility in ways of working both in terms of your schedule as well as your location, whether you prefer to work from home, the office,



or abroad with access to a general network of co‑working spaces.Generous paid time off schemes, including vacation, sabbatical, religious observance and compensation aningful benefits including private healthcare coverage, fitness and wellness programs covered through Wellhub, working‑from‑home allowances to help you set up your home office and cover monthly expenses.Professional development with annual training budget for conferences, courses, certifications and access to top market e‑learning llaborative environment with multiple offices around the globe, regular team activities and events as well as employee‑led resource groups.About Clarity AI’s LeadershipClarity AI’s Founder and CEO, Rebeca Minguela, is a successful entrepreneur who has been recognised by prestigious institutions such as the World Economic Forum as one of the most distinguished leaders under 40.The leadership team has an international presence and is composed of professionals from leading tech, consulting, and banking firms, entrepreneurs, Ph Ds from top research institutions, and MBA graduates from top business schools.AwardsThe Forrester New Wave – ESG Ratings, Data, and Analytics – Leaders for 2022‑2024Investment Week – Best Sustainable Investment Research & Ratings Provider 2023Fast Company – Most Innovative Companies 2023European Commission | EU Seal of Excellence 2020World Economic Forum – Technology Pioneer 2020Diversity, Inclusion, and BelongingClarity AI believes diversity, inclusion, and belonging are essential for creating an innovative and successful workplace. By actively promoting and engaging in sustainability efforts, we can help create a more equitable and resilient future for our planet and all its inhabitants.

📌 Senior Data Scientist (Madrid)
🏢 Clarity.Ai
📍 Madrid