Contact Information
- Position: Vio.com, Amsterdam, Netherlands
- Email: majidhhdri@gmail.com
- LinkedIn: hhdri
Experience
Senior Data Scientist
Vio.com, Amsterdam, Netherlands
Jan 2023 - Present
Marketplace Group, Content Squad
- Vio.com is a platform that makes travel planning easier by comparing rates from top travel suppliers and integrating with popular websites like Google and TripAdvisor.
- Developed a room mapping algorithm, increasing grouping rate by 20% while maintaining accuracy.
Senior Data Scientist
Divar, Tehran, Iran
May 2022 - Dec 2022
Real Estate team
- Divar is an Iranian E-commerce mobile app with over 50 million active installs.
- Designed a service to process and transfer big data with Kubernetes, Apache Spark, Apache Hadoop, and Amazon S3.
- Refined an end-to-end machine learning pipeline for automated fraud detection.
Technical Team Leader
Cafebazaar, Tehran, Iran
Jul 2021 - May 2022
Infrastructure tribe, User Profiling team
- Led a team of 7 engineers and scientists.
- Developed and maintained four internal services and data products.
- Directed agile processes for predictable and rapid delivery.
Data Scientist
Cafebazaar, Tehran, Iran
Jul 2020 - May 2022
Ads and User Profiling teams
- Designed A/B experiments, built reporting dashboards.
- Improved advertisement conversion rate by 15%.
- Doubled engagement rate of game recommendations.
Education
BS in Statistics
University of Tehran, Tehran, Iran
Sep 2017 - Jul 2022
Certifications
- Fundamentals of Reinforcement Learning, University of Alberta (Aug 2023), Certificate Link
- Financial Markets, Yale University (Apr 2020), Certificate Link
- Deep Learning Summer School, ACM, University of Tehran (Aug 2018)
Skills
- General Skills: Statistics, Mathematics, Computer Science
- Technical Skills: ML (Machine learning), Algorithms
- Programming Languages: Python, SQL, Scala, R, C++
- Big Data Frameworks: Apache Spark, Snowflake, Metabase, Apache Airflow
- Deep Learning Technologies: PyTorch, Tensorflow, Keras, ONNX
- Python Libraries: NumPy, Pandas, Matplotlib, Scikit-learn
- Statistics: ANOVA, Design of Experiments, Nonparametric Methods
- Cloud Infrastructure: Kubernetes, AWS
- Version Control Systems: Git, DVC (Data version control)
- Project Management Tools: ClickUp, Trello, Shortcut
Languages
- English: Advanced
- Persian: Native Speaker