Bernardo Lago

Lead Data Scientist

Lisbon, Portugal · [email protected] · github.com/bernardolago · linkedin.com/in/bernardolago

About me

Data scientist based in Lisbon who turns data and machine learning into practical business solutions. Fast learner and self-starter, focused on machine learning, data science and backend development.

Professional experience

NielsenIQ – Lead Data Scientist; Lisbon (remote)

  • Leads the end-to-end design and improvement of methodologies for large-scale consumer data projects
  • Works with data operations teams to keep the technical work rigorous and delivered well
  • Main technical contact, turning complex data science architectures into executive-level strategy

NielsenIQ – Senior Data Scientist; Lisbon (remote)

  • Developed and deployed machine learning algorithms to analyse and project e-commerce consumer panel data across 10 countries
  • Worked with stakeholders to turn results into actionable insights
  • Led methodology changes that made projections more scalable, accurate and adaptable

Let’s Data – Co-founder; Brasília (remote)

  • Co-founded and ran an online education startup offering beginner-friendly data courses to 300+ students
  • Designed the course structure and learning materials, and supported students directly
  • Drove growth through marketing strategy and copywriting

Alto Nível Consultoria – Administrative Office; Brasília

  • Advised private investors in the Brazilian power generation sector on business expansion
  • Oversaw administrative operations and technology, keeping business goals and technical execution aligned

Education

Nova IMS – Postgraduate degree, Data Science for Marketing; Lisbon, Portugal

IESB – Bachelor’s degree, Electrical Engineering; Brasília, Brazil

Skills & languages

Technical: Python, SQL, R, Pandas, DuckDB, Seaborn, Git, Linux
Professional: Analytical thinking, problem solving, clear communication, collaboration, adaptability, continuous learning
Languages: Portuguese (native), English (C2), Spanish (B1)