Data Scientist
Welcome to my professional page! I'm Edgar, a passionate and experienced data scientist specializing in user behavior analysis. With a background in computer science, I turn data into insights that drive business strategies.
- Programming Languages: Python, R, SQL
- Libraries & Tools: PySpark, scikit-learn, SciPy, PyTorch, statsmodels, Databricks, AWS, Jupyter Notebook, SQL Server, PostgreSQL, Git, Looker, Jira, Confluence
- Skills: Statistics, Machine Learning, A/B Testing and Interleaving, Data Analytics, Algorithms, Research, Project Management, Public Speaking
Education
- MS in Data Science - IU International University of Applied Sciences (2023 - 2025, Germany)
- BS in Computer Science - American University of Armenia (2017 - 2021, Armenia)
Publications
Work Experience
Junior Researcher @ FAST ADVANCE | Explainable AI (Mar 2023 - Present)
- Developing interpretable machine learning models using Dempster-Shafer theory.
- Applying models to real-world datasets across various sectors.
- Preparing scientific articles for high-impact venues.
Data Scientist @ Picsart | User Behaviour (Jan 2022 - Aug 2024)
- Delivered a crash anomaly detection model to production.
- Accelerated decision-making with sequential testing for interleaving.
- Communicated complex analyses to technical and non-technical stakeholders.
- Managed large datasets with PySpark and SQL via Databricks and AWS.
Teaching Associate @ American University of Armenia (Jan 2022 - Jun 2022)
- Conducted problem-solving sessions and graded homework.
Database Developer @ Synergy International Systems (Sep 2019 - Dec 2021)
- Developed and supported database tools for judicial management systems.
- Created stored procedures in T-SQL and PostgreSQL.
- Conducted technical training for ministry employees of client countries.
Projects
Sequential testing tools for interleaving experiments (STIE on GitHub) help evaluate ranking algorithms quickly by mixing their results and monitoring user engagement.
Photo gallery coming soon.