AI Software Engineer, Meta
Superintelligence (GenAI-Imagine) | Apr 2025 – Present
Instagram Ranking | Dec 2023 – Apr 2025
New York City Metropolitan Area

Staff Machine Learning Engineer, EvolutionIQ
Sep 2022 – Sep 2023
New York City Metropolitan Area

Staff Data Scientist, Modeling, Reddit, Inc.
Oct 2021 – Aug 2022
New York City Metropolitan Area
Ads optimization and contextual relevance

Sr. Manager, Data Science, Roku Inc.
Jul 2019 – May 2021
New York City Metropolitan Area

Manager, Sr. Data Scientist, Roku Inc.
Mar 2018 – Jul 2019

Sr. Data Scientist, Roku Inc.
May 2017 – Mar 2018

Data Scientist, Roku Inc.
Jun 2015 – May 2017
Roku Channels Banners Recommendation end-to-end development

Data Mining & Analytics Specialist, Barnes & Noble
Feb 2012 – Jun 2015
New York, NY
Big data problems, recommender algorithms

Mathematical Research Scientist, Neurok Software LLC
Jan 2010 – Feb 2012
Alpharetta, GA
Statistical software and algorithms for Oil/Gas

Mathematical Research Scientist, Neurok Techsoft
Oct 2008 – Jan 2010

Engineer - Mathematician, Kurchatov Institute
Jan 2006 – Oct 2008
Mathematical simulation of plasma generators

Mathematician, Keldysh Institute of Applied Mathematics RAS
Sep 2005 – Oct 2008
Numerical methods for Navier-Stokes equations

• Quickstart: LangSmith Essentials
• Quickstart: LangGraph Essentials - Python
• Become an Inspirational Manager: Bring Out the Best In Others
• Generative AI with Large Language Models
• Hands-on Machine Learning with Scikit-Learn
• Feature Engineering
• Intermediate Machine Learning
• Intro to Machine Learning
• Google Kick Start. 2022 Round F
• Machine Learning with caret in R
• Make Pseudo Data with GAN
• Sentiment Analysis with Deep Learning using BERT
• Mastering the Art of Programming in Python 3
• Bayesian Statistics: From Concept to Data Analysis
• Fundamentals of Reinforcement Learning
• Mathematical Biostatistics Boot Camp 2
• Documenting Python Projects With Sphinx and Read The Docs
• Statistical Learning
• Regression Models
• Practical Machine Learning
• Statistical Inference
• Practical Machine Learning
• Competitive Programmer's Core Skills
• AWS Fundamentals: Building Serverless Applications
• Deep Neural Networks with PyTorch
• Introduction to CSS3
• Practical Time Series Analysis
• Improving Deep Neural Networks: Hyperparameter Tuning, Regularization and Optimization
• Neural Networks and Deep Learning
• Games without Chance: Combinatorial Game Theory
• Computing for Data Analysis

• FREE TOP Daily AI News with OpenClaw
• FREE and Safe OpenClaw for Software Development Setup
• XGBoost on AWS Lambda
• Docker R Prophet
• Plotly Charts In Sagemaker JupyterLab

• AlphaZero's Groundbreaking Chess Strategies and the Promise of AI
• Introduction to Building Data Science Products
• Introduction to Data Visualization with ggplot2
• Introduction to knitr

• Multi-armed Bandit

• ML Templates

• Sliding Puzzle Hard
• Merge Two 2D Arrays by Summing Values Easy
• Remove All Occurrences of a Substring Medium
• Check if One String Swap Can Make Strings Equal Easy
• Maximum Possible Number by Binary Concatenation Medium
• Walking Robot Simulation Medium
• Minimum Operations to Write the Letter Y on a Grid Medium
• Three Consecutive Odds Easy
• Minimum Number of Moves to Seat Everyone Easy
• Find Subarray With Bitwise OR Closest to K Hard
• Find All Possible Stable Binary Arrays I Hard
• Distribute Elements Into Two Arrays II Hard
• Minimum Operations to Write the Letter Y on a Grid Medium
• Count Prefix and Suffix Pairs II Hard
• Group Anagrams Medium
• Minimum Moves to Capture The Queen Medium
• Maximum Score After Splitting a String Easy
• Count the Number of Good Partitions Hard
• Count Subarrays Where Max Element Appears at Least K Times Medium
• Calculate Money in Leetcode Bank Easy
• Largest 3-Same-Digit Number in String Easy
• Frequency of the Most Frequent Element Medium
• Frequency of the Most Frequent Element Medium
• Find Unique Binary String Medium
• Count the Number of K-Big Indices Hard
• Maximum Strong Pair XOR II Hard
• Bus Routes Hard
• Count Number of Teams Medium
• Count of Range Sum Hard
• Last Moment Before All Ants Fall Out of a Plank Medium
• Get Biggest Three Rhombus Sums in a Grid Medium
• Rotating the Box Medium
• Count Primes Medium
• Build an Array With Stack Operations Medium
• Count Nodes Equal to Average of Subtree Medium
• Count Nodes Equal to Average of Subtree Medium
• Longest Increasing Path in a Matrix Hard
• Serialize and Deserialize Binary Tree Hard
• Number of Squareful Arrays Hard
• Word Search II Hard
• LRU Cache Medium
• Two City Scheduling Medium
• Parallel Courses III Hard
• Balance a Binary Search Tree Medium
• Stickers to Spell Word Hard
• Sliding Window Median Hard
• Minimum Number of Steps to Make Two Strings Anagram Medium
• Construct Product Matrix Medium
• Integer Replacement Medium
• Number of Ways to Stay in the Same Place After Some Steps Hard
• Longest Unequal Adjacent Groups Subsequence I Medium
• Longest Unequal Adjacent Groups Subsequence II Medium
• Word Break Medium
• Candy Crush Medium
• Invalid Transactions Medium
• Max Dot Product of Two Subsequences Hard
• Build Array Where You Can Find The Maximum Exactly K Comparisons Hard
• Implement Trie II (Prefix Tree) Medium
• Count Strictly Increasing Subarrays Medium
• Time Taken to Cross the Door Hard
• Number of Valid Subarrays Hard
• Minimum Array Length After Pair Removals Medium
• Reconstruct Itinerary Hard
• Finding the Number of Visible Mountains Medium
• Frog Jump Hard
• Minimum Costs Using the Train Line Hard
• Minimum ASCII Delete Sum for Two Strings Medium
• Shortest String That Contains Three Strings Medium
• Ternary Expression Parser Medium
• Smallest Sufficient Team Hard
• Longest Arithmetic Subsequence of Given Difference Medium
• Longest Subarray of 1's After Deleting One Element Medium
• Sum of Imbalance Numbers of All Subarrays Hard
• Optimal Account Balancing Hard
• Optimal Account Balancing Hard
• Robot Collisions Hard
• Longest Arithmetic Subsequence Medium
• Make Array Strictly Increasing Hard
• Equal Row and Column Pairs Medium
• Sum of Matrix After Queries Medium
• Design Underground System Medium
• Text Justification Hard
• Minimum Cost to Make All Characters Equal Medium
• Design Tic-Tac-Toe Medium
• Maximum Strictly Increasing Cells in a Matrix Hard
• Greatest Common Divisor Traversal Hard
• Minimum Cost to Cut a Stick Hard
• Maximize Score After N Operations Hard
• Count Ways To Build Good Strings Medium
• Binary Tree Upside Down Medium
• Similar String Groups Hard
• Bulb Switcher Medium
• Smallest Number in Infinite Set Medium
• Restore The Array Hard
• Minimum Number of Operations to Make All Array Elements Equal to 1 Medium
• Minimum Window Subsequence Hard
• Profitable Schemes Hard
• Minimize the Total Price of the Trips Hard
• The Most Similar Path in a Graph Hard
• Maximum Value of K Coins From Piles Hard
• Number of Enclaves Medium
• Successful Pairs of Spells and Potions Medium
• Clone Binary Tree With Random Pointer Medium
• Construct Quad Tree Medium
• Wiggle Sort Medium
• Naming a Company Hard
• Game of Nim Medium
• Restore IP Addresses Medium
• Cycle Length Queries in a Tree Hard
• Minimum Score of a Path Between Two Cities Medium
• Divide Nodes Into the Maximum Number of Groups Hard
• Divide Nodes Into the Maximum Number of Groups Hard
• Minimum Score of a Path Between Two Cities Medium
• Rectangle Area Medium
• Minimum Difficulty of a Job Schedule Hard
• Height of Binary Tree After Subtree Removal Queries Hard
• Top K Frequent Words Medium
• My Calendar III Hard
• Lonely Pixel I Medium
• Reordered Power of 2 Medium
• Split Array into Consecutive Subsequences Medium
• Non-negative Integers without Consecutive Ones Hard
• Validate Binary Search Tree Medium
• Binary Trees With Factors Medium
• Longest Ideal Subsequence Medium
• Count Vowels Permutation Hard
• My Calendar I Medium
• Move Pieces to Obtain a String Medium
• Longest Consecutive Sequence Medium
• Redundant Connection II Hard
• Freedom Trail Hard
• Minimum Height Trees Medium
• Daily Temperatures Medium
• Maximum Subarray Sum After One Operation Medium
• Verbal Arithmetic Puzzle Hard
• Distinct Subsequences Hard
• Expression Add Operators Hard
• Max Points on a Line Hard
• Number of Distinct Substrings in a String Medium
• Substring with Concatenation of All Words Hard
• Longest Uncommon Subsequence II Medium
• Verify Preorder Serialization of a Binary Tree Medium
• Map Sum Pairs Medium
• Non-negative Integers without Consecutive Ones Hard
• K Empty Slots Hard
• Divide Two Integers Medium
• Greatest Sum Divisible by Three Medium