> Markdown version of [/jobs/ext/1997784-senior-data-scientist](https://www.wearedevelopers.com/jobs/ext/1997784-senior-data-scientist). 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). --- # Senior Data Scientist - **Company:** Clarity AI - **Location:** Madrid, Spain (Remote available) - **Contract:** Permanent contract - **Skills:** Artificial Intelligence, Data Analysis, Code Review, Python (Programming Language), Machine Learning, Large Language Models, Prompt Engineering, Pandas, Matplotlib, Scikit Learn, Codebase, Machine Learning Operations - **Published:** August 9, 2026 - **Apply:** https://www.buscojobs.com.es/senior-data-scientist-en-madrid-ID-366725310 ## About the Role 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/PhD 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 global network of co?working spaces.Generous paid time off schemes, including vacation, sabbatical, religious observance and compensation days.Meaningful 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 platforms.Collaborative environment with multiple offices ## Description About Clarity AIDesplácese hacia abajo para obtener una visión general completa de lo que requerirá este trabajo.¿Es usted el candidato adecuado para esta oportunidad?Clarity AI is a global tech company founded in **** 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 BlackRock, SoftBank, 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 a Senior Data Scientist with 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 resolution.Collaboratively 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/PhD 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 global network of co?working spaces.Generous paid time off schemes, including vacation, sabbatical, religious observance and compensation days.Meaningful 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 platforms.Collaborative 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, PhDs from top research institutions, and MBA graduates from top business schools.AwardsThe Forrester New Wave - ESG Ratings, Data, and Analytics - Leaders for *********Investment Week - Best Sustainable Investment Research & Ratings Provider ****Fast Company - Most Innovative Companies ****European Commission | EU Seal of Excellence ****World Economic Forum - Technology Pioneer ****Diversity, Inclusion, and BelongingClarity AI believes diversity, inclusion, and belonging are essential for creating an innovative and successful workplace.xqbhyrx 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.#J-*****-Ljbffr ## Related Videos - [Getting to Know Your Legacy (System) with AI-Driven Software Archeology](https://www.wearedevelopers.com/videos/1437-getting-to-know-your-legacy-system-with-ai-driven-software-archeology) - [Python Data Visualization @ Deepnote (w/ PyViz overview)](https://www.wearedevelopers.com/videos/113-python-data-visualization-deepnote-w-pyviz-overview) - [Advanced Typing in TypeScript](https://www.wearedevelopers.com/videos/496-advanced-typing-in-typescript) - [Coffee with Developers - Maria Apazoglou](https://www.wearedevelopers.com/videos/1209-coffee-with-developers-maria-apazoglou) - [Why your codebase lies to AI?](https://www.wearedevelopers.com/videos/100281-why-your-codebase-lies-to-ai) - [Empowering Retail Through Applied Machine Learning](https://www.wearedevelopers.com/videos/976-empowering-retail-through-applied-machine-learning) ## Related Articles - [Coffee with Developers - Maria Apazoglou - Making AI understandable for all in 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