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Data Scientist

  • Seniority: Senior
  • Format: Hybrid
  • Place: Lisbon, Portugal

Role Description

As a Data Scientist, you will turn raw data into actionable insights and predictive models that support key business decisions. You will work across the full analytics lifecycle – from data collection and exploration to model building, validation, and communication of results. 

You will collaborate closely with cross-functional teams, including engineers, analysts, and business stakeholders, to identify opportunities where data can drive better decisions, and to turn analytical findings into solutions that are understood and adopted across the business. 

Key Responsabilities

  • Collect, clean, and explore structured and unstructured data from multiple sources. 
  • Design and build statistical models and machine learning algorithms to solve business problems. 
  • Perform exploratory data analysis to identify trends, patterns, and correlations. 
  • Validate model performance using appropriate statistical methods and metrics. 
  • Communicate findings and recommendations clearly to technical and non-technical stakeholders through reports, dashboards, and presentations. 
  • Collaborate with data engineers to design and maintain reliable data pipelines. 
  • Partner with business stakeholders to translate objectives into analytical questions and measurable outcomes. 
  • Support the deployment and monitoring of models in production in collaboration with engineering teams. 
  • Ensure data quality, integrity, and compliance with data privacy and governance standards. 
  • Stay current with new statistical techniques, machine learning methods, and tools, proposing their adoption when relevant. 

Job Qualifications

  • Bachelor’s or Master’s degree in Data Science, Statistics, Mathematics, Computer Science, or a related field. 
  • [X]+ years of experience in a Data Scientist or similar analytical role. 
  • Strong foundation in statistics, probability, and applied mathematics. 
  • Proven experience building and validating machine learning models on real-world datasets. 
  • Ability to translate ambiguous business questions into structured analytical approaches. 
  • Strong communication skills, with the ability to present complex findings in a clear, actionable way. 
  • Strong English (written & spoken); additional languages are a plus.
  • Ability to work independently and as part of a distributed/remote team. 

Main Tech Skills

  • Programming Languages: Python and/or R (required); SQL for data querying. 
  • Data Analysis & Manipulation: Pandas, NumPy, dplyr. 
  • Machine Learning: scikit-learn, XGBoost, LightGBM; deep learning frameworks (TensorFlow, PyTorch) a plus. 
  • Statistical Analysis: hypothesis testing, regression, experimental design (A/B testing). 
  • Data Visualization: Matplotlib, Seaborn, Plotly, Power BI, or Tableau. 
  • Big Data Tools: Spark, Hadoop (familiarity a plus). 
  • Cloud Platforms: AWS, Azure, or GCP data/ML services. 
  • Databases: SQL and NoSQL databases (PostgreSQL, MongoDB). 
  • Version Control & Collaboration: Git, Jupyter Notebooks. 
  • MLOps Basics: model versioning and deployment concepts (MLflow, Docker) a plus. 

Perks & benefits

Health Insurance

We’ve got your health and smile covered! Our comprehensive plan includes medical and dental care. Because taking care of you means you can focus on what matters most.

Birthday Off

Who likes to work on their birthday, right? Celebrate your day exactly how you want to. Sleep in, go out, or do absolutely nothing – it’s your call.

Extra Days Off

Ramp up your vacations with up to 4 extra off-days per year. Whether you need a long weekend or a proper getaway, we believe rest fuels your best work. Time off isn’t a perk – it’s essential.

Blue Wildlife Pledge

We’ll sponsor an animal of your choice at the Lisbon Zoo for the duration of your stay with us! It’s our way of giving back to nature while giving you something meaningful to connect with. Visit your animal anytime you like.

Regular Training

We want to invest in your skills and help you grow. From certifications to workshops, we support your learning journey. Your development is our priority, not an afterthought.

Great Work-Life Balance

Work for the goals, not for the clock. We trust you to manage your time and deliver results. Flexibility isn’t just a buzzword here – it’s how we operate.

Excellent Work Environment

No back-stabbers, no bad apples, and no suits! We’ve built a culture of respect, collaboration, and honesty. Come as you are and work with people who have your back.

Team-Building Events

Get ready for some cool events, parties, and hangouts. We bond over more than just deadlines and deliverables. Great teams are built on great memories together.

Free Coffee & Tea

To keep creativity and productivity flowing… All-Day, No-Limit of freshly brewed coffee & tea refills at the office.

Be Bold · Work Smart · Change Tomorrow

We started this company with a simple observation: most organizations don’t struggle because they lack technology — they struggle because solutions are too complex, disconnected from reality, or hard to sustain over time. Data and AI can create enormous value. But only when they are designed with clear intent, solid foundations, and a realistic understanding of how organizations actually operate. We’re a young, fast-growing company with plenty of opportunities to learn, evolve, and build something meaningful together.