Data Science & 8 others
EPAM Systems
Data Science
Portugal · Remote
Posted on Nov 19, 2025
Responsibilities
- Leverage mathematical, statistical, and machine learning methods to inform strategy and decision-making
- Employ tools and frameworks like TensorFlow or PyTorch to develop predictive and prescriptive models
- Identify and validate data from internal and external sources to uncover meaningful patterns
- Evolve hypotheses, analyze data in analytics sandboxes, and iteratively improve models
- Use Python libraries such as Pandas, NumPy, and Scikit-learn for data manipulation and analysis
- Collaborate with teams to ensure proper data sourcing, cleaning, and preparation for analysis
- Optimize and manage relational datasets using SQL while adhering to governance standards
- Present insights through visualizations created in Matplotlib, Seaborn, or Plotly
- Align organizational data strategies with industry best practices in data management
- Deploy machine learning models to production environments via cloud solutions such as AWS SageMaker and EC2
- Work with engineers and stakeholders to create scalable solutions for data-heavy workloads
Requirements
- At least 7 years of experience in data science, machine learning, or related domains
- Proficiency in Python and libraries like Pandas, NumPy, and Scikit-learn
- Knowledge of machine learning frameworks including TensorFlow or PyTorch
- Skills in cloud-based tools like AWS, including S3 and SageMaker
- Background in big data technologies such as Spark and experience with SQL for relational databases
- Familiarity with version control systems such as Git
- Understanding of NLP techniques and sentiment analysis systems
- Competency in applying data visualization principles with Matplotlib, Seaborn, or Plotly
- Background in data governance to ensure compliance and accuracy
Nice to have
- Knowledge of Docker for managing containerization and deployments
- Background in Snowflake for data warehousing and advanced analytics
- Familiarity with tools like Bitbucket, JIRA, and Confluence within the Atlassian suite
- Understanding of simulation techniques and scenario-based event processing
We offer/Benefits
- International projects with top brands
- Work with global teams of highly skilled, diverse peers
- Healthcare benefits
- Employee financial programs
- Paid time off and sick leave
- Upskilling, reskilling and certification courses
- Unlimited access to the LinkedIn Learning library and 22,000+ courses
- Global career opportunities
- Volunteer and community involvement opportunities
- EPAM Employee Groups
- Award-winning culture recognized by Glassdoor, Newsweek and LinkedIn