Senior Data Scientist

Posted date Jun. 04, 2026
Contract type Full time
Job ID R\-253450

Why choose AstraZeneca Spain?
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AstraZeneca Spain is a rising force in our global business. With headquarters in Madrid and our global hub in Barcelona, we’ve become an important international centre of excellence in the fight against critical disease. Boasting vibrant universities and business schools, the Barcelona ecosystem is a place where scientists can thrive. We attract a diverse workforce from across the globe, shining a beacon for innovation in a country that’s committed to clinical development.

We invite you to bring your talents to Barcelona where our respiratory medicine R\&D and Global Marketing centre offers opportunities in R\&D, IT, Commercial and HR. Or join us in Madrid and shape our growth in our BUs (Respiratory, Oncology \& CVRM ), and a range of Corporate functions. Additionally, you can find sales roles throughout the country. Together, we’re contributing to a world\-leading pipeline of therapeutics and delivering life\-changing medicines to patients.

Who do we look for?
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Calling all tech innovators, ownership takers, challenge seekers and proactive collaborators. At AstraZeneca Spain, breakthroughs born in the lab become transformative medicine for the world's most complex diseases. Alongside technical expertise, colleagues have the resilience, energy and collaborative mindset to change lanes, work with different teams and start projects from scratch.

Here, diverse minds and bold disruptors can meaningfully impact the future of healthcare using cutting\-edge technology. Whether you join us in Madrid or Barcelona, you can make a tangible impact within a global biopharmaceutical company that invests in your future. Join a talented global team that's powering AstraZeneca to better serve patients every day.

Success Profile
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Ready to make an impact in your career? If you're passionate, growth\-orientated and a true team player, we'll help you succeed. Here are some of the skills and capabilities we look for.

Diverse collaborators

This is a speak\-up culture that values collaboration. You’ll proactively bring your unique perspectives, experiences and skills to the table and seek the same from others. With our international team composition and the need for fast\-paced collaboration, you’ll always be building new connections with colleagues.

Cutting\-edge innovators

When you join us, you’ll be part of a team that embraces digital technology and data to transform the way we work and the work we do. Every day, you’ll help make history, empowered to ignite your creativity and build something enduring.

Resilient trailblazers

Here, the answers aren’t always available. So, you’ll need to bring a fearless, self\-starter mindset to navigate uncharted territories. You’ll harness your ceaseless energy to discover and make the necessary connections with colleagues to shape the future and achieve maximum impact.

Agile movers

Seize ownership and excel with autonomy to enjoy the constant rush of ground\-breaking discovery. Your ability to anticipate sudden shifts and adapt swiftly will prove critical as you make your mark in an environment that rewards initiative and resilience.

Responsibilities
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Job ID R\-253450 Date posted 06/04/2026
Role based in Barcelona 3 days at office / 2 days at home

You will join a team that embraces a digital mindset and treats data as a core asset. From day one, you will contribute to high\-priority projects where evidence quality, reproducibility and impact matter. As your solutions mature, you will see them adopted across programs and scaled to deliver measurable outcomes for patients and the business.

Accountabilities:\- Problem Framing and Hypothesis Development: Translate unstructured scientific and business problems into well\-defined data problems, analytical approaches and testable hypotheses.\- Advanced Modelling and AI Research: Develop and implement models and methods across classification, regression, clustering, LLMs and simulation to interrogate clinical and business datasets within defined project scope.\- Decision Support and Insight Generation: Build predictive models and computational methods that guide decision\-making, communicating results with appropriate uncertainties and limitations within agreed frameworks.\- Multimodal Data Integration: Integrate and process data from multiple sources and modalities to enable robust, scalable analyses that drive tangible value.\- Stakeholder Partnership: Build effective relationships with project managers, cross\-functional peers, and scientific collaborators to ensure solutions are understood, trusted and used.\- Communication and Dissemination: Clearly and objectively present findings to technical and non\-technical audiences; where appropriate, contribute to publications or conferences.\- Software Engineering and Compliance: Develop, implement and maintain tools and algorithms using a software engineering approach that meets regulatory and evidential requirements within established governance.\- Cross\-Functional Contribution: Provide data science support to matrixed projects, executing defined solutions that deliver measurable outcomes for AstraZeneca.

Essential Skills/Experience:\- Bachelors Degree (or equivalent years of experience) in Mathematics, Computer Science, Engineering, Physics, Statistics, Economics, Computational Sciences, or a related quantitative discipline; or equivalent experience\- Experience in modern data science approaches, including unsupervised and supervised classification and regression algorithms such as k\-means clustering, support vector machines, random forests, neural networks and deep learning.\- Demonstrated knowledge in advanced statistical modelling, or broader aspects of applied mathematics such as dynamical systems or optimisation.\- Understanding of algorithm design, development, optimization, scaling and applications\- Experienced in Python\- Excellent written and verbal communication, business analysis, and consultancy skills\- Familiarity with database systems (eg SQL, NoSQL, graph)

Desirable Skills/Experience:\- Masters Degree in Mathematics, Computer Science, Engineering, Physics, Statistics, Economics, or a related quantitative discipline\- Comfortable working in high performance computing or cloud environment\- Experience with large datasets using distributed computing\- Experience working with real world data (RWD/RWE)

Why AstraZeneca:Here, technologists and scientists work side by side to push boundaries—unexpected teams in the same room unleashing bold thinking that turns data into therapies faster. We are investing in the convergence of advanced analytics and biology, using leading tools and platforms to transform the patient journey from insight to impact. You will be trusted to take smart risks, supported by a collaborative culture that values kindness alongside ambition, and encouraged to learn, share and iterate at pace—so your ideas travel from prototype to practice where they can change lives.

Date Posted

03\-jun\-2026
Closing Date

17\-jun\-2026
AstraZeneca embraces diversity and equality of opportunity. We are committed to building an inclusive and diverse team representing all backgrounds, with as wide a range of perspectives as possible, and harnessing industry\-leading skills. We believe that the more inclusive we are, the better our work will be. We welcome and consider applications to join our team from all qualified candidates, regardless of their characteristics. We comply with all applicable laws and regulations on non\-discrimination in employment (and recruitment), as well as work authorization and employment eligibility verification requirements.

Explore the local area

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Reasons to Join
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Thomas Mathisen

There are many things I enjoy when working at AstraZeneca, mainly the Speak up culture, the great colleagues that are in my teams, the great products that AstraZeneca provides to our patients and the challenging conversations I have around our medicines.

Sales Representative Oslo, Norway
There are many things I enjoy when working at AstraZeneca, mainly the Speak up culture, the great colleagues that are in my teams, the great products that AstraZeneca provides to our patients and the challenging conversations I have around our medicines.

Christine Recchio

Working at AstraZeneca has impacted my life in such a positive way. I now have an improved work\-life balance through creating my own schedule and time management, I feel a balance that I didn’t have before.

Sales Representative California, United States
Working at AstraZeneca has impacted my life in such a positive way. I now have an improved work\-life balance through creating my own schedule and time management, I feel a balance that I didn’t have before.

Stephanie Ling

There are a lot of reasons why I enjoy working in AstraZeneca, my colleagues being one of them. My team members and the managers have provided a great deal of guidance in helping me to be more confident in my daily work.

Sales Representative Petaling Jaya, Malaysia
There are a lot of reasons why I enjoy working in AstraZeneca, my colleagues being one of them. My team members and the managers have provided a great deal of guidance in helping me to be more confident in my daily work.

What we offer
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We're driven by our shared values of serving people, society and the planet. Our people make this possible, which is why we prioritise diversity, inclusivity, balance and sustainability. Discover what a career at AstraZeneca could mean for you.

An award\-winning company

We're passionate about be

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