Senior Data Scientist (Bidding)

In addition to the above, you will work with the greater Data Science/Engineering teams on

• Analyzing and optimizing real-time bidding strategies and online auction mechanics.
• Developing new or improving existing models of event predictions.
• User embeddings and clustering.
• Fraud detection, etc.
• Cross-device user identification, cookieless mechanism's development.
• Mining different data sources.
• Supporting existing codebase for data integration and production support for our core models.

Requirements

• 5+ years of experience in Data Science.
• Key Skills: Python, Algorithms, Optimisation, NLP, Data Mining, Statistical Analysis, Neural Networks, Generalised Linear Regression, Multiclass Classification.
• Advanced knowledge of Python using standard DS packages (NumPy/Pandas/Scikit, etc.).
• Being able to optimize and speed-up code.
• Have strong knowledge in the following areas.
• Algorithms and Data Structures (e.g., sorting, search tree, binary heap, trie, time & mem complexities of algorithms).
• Probability and Statistics (e.g., hypothesis testing).
• Markov process and its stationary distributions, stochastic matrix and its properties; Bayesian inference.
• ML & DS (e.g., dimensionality reduction, geometry of PCA/SVD and of L1/L2 regularisation, decision trees and their ensembles, collaborative filtering, Thompson sampling/MCMC, Neural Networks, etc.).

We offer

• Remote work. Relocation to EU/UK/US is negotiable (depends on your current location and legal status).
• Salary: 8-12k USD/month, higher figures may be negotiated.
• US holiday schedule.
• 21 days of vacation.