UNUNUZI CONSULTING S.L. is looking for a motivated and curious Junior Data Scientist to join our growing team in Madrid.

This is an excellent opportunity for a recent graduate or an early-career professional who wants to build a career in data science, analytics and artificial intelligence while working on real business challenges.

In this role, you will support the design and development of data-driven solutions for internal and client projects. You will work closely with senior professionals, helping to analyze data, generate insights, build visualizations and contribute to the development of AI-based tools and machine learning solutions.

We are looking for someone with strong analytical thinking, a genuine interest in data and technology, and the motivation to learn fast in a collaborative and hands-on environment. At UNUNUZI, you will have the opportunity to grow your technical and business skills, contribute ideas, and participate in innovative projects that combine analytics, automation and artificial intelligence.

Key responsibilities:

- Assist in data collection, cleaning and preprocessing to ensure high-quality datasets.

- Perform exploratory data analysis to identify trends, patterns and insights.

- Support the development of predictive models and machine learning solutions.

- Create visualizations, dashboards and reports to communicate findings clearly.

- Collaborate with different teams to understand business needs and translate them into analytical solutions.

- Contribute to the development of AI tools and internal innovation initiatives.

- Help document processes, methodologies and best practices.

- Degree in Mathematics, Statistics, Data Science or a related field.

- Strong interest in data science, analytics and artificial intelligence.

- Good knowledge of Python for data analysis and basic machine learning.

- Good command of Excel and confidence working with data in structured formats.

- Familiarity with Power BI or other data visualization tools is a plus.

- Strong analytical and problem-solving skills.

- Good communication skills and ability to explain ideas clearly.

- Eagerness to learn, take initiative and grow in a fast-paced environment.

- 0–2 years of experience in a similar role is valued, but not required.

- Legal right to work in Spain / EU.

- Availability to work in a hybrid model in Madrid.

- Join an exciting project that’s transforming how AI tools are built.

- Enjoy flexibility: work remotely 2 days per week in a hybrid model.

- Permanent contract with a 3-month probation period.

- Salary range: €22,000–€30,000 gross per year.

- Professional development plan to support your career growth.

- Be part of a collaborative, dynamic environment where continuous learning is a priority.

- Work on innovative projects in analytics, automation and artificial intelligence.

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