This page collects the work I do outside of my main role: public talks, interviews, Kaggle, publications, mentoring, community work, and selected contributions to the ML ecosystem.

Publications & Engineering Posts

Careem Engineering
Facial Recognition for Fraud Detection
How we identified duplicate driver accounts at Careem — 5% decrease in fraud.
blog postanti-fraud
Careem Engineering
ML-Powered Pre-Authorization for Ride-Hailing
Real-time fraud prevention model — 60% precision improvement.
blog postreal-time ML
Blog Post
Medical Chat-Bot: The History of Our Attempt
A story of how the project of developing a medical chat-bot was closed after a lot of effort — and what we learned.
NLPpost-mortem
Blog Post
My Experience of Interview Preparation as MLE
The full story of how I prepared for ML engineering interviews in 2024 — system design, coding, ML depth, and what actually mattered.
careerinterview
2025 · Publication
CayleyPy RL: Pathfinding and RL on Cayley Graphs
Research on applying reinforcement learning to mathematical graph structures.
paperRL
2021 · Publication
NL-Augmenter: A Framework for Task-Sensitive NL Augmentation
Multi-author research paper on crowdsourcing NLP data transformations. 100+ contributors.
paperNLP

Kaggle

Kaggle
Competition Master Notebook Grandmaster Discussion Grandmaster #1 Notebook Ranking
Top Notebooks
NotebookCompetitionUpvotesViews
EDA and ModelsIEEE-CIS Fraud Detection2900+199k+
EDA, FE and EverythingTwo Sigma Financial News2300+170k+
Segmentation in PyTorchCloud Images1700+90k+
Exploration Step by StepPetFinder1100+60k+
EDA, FE and InterpretationTMDB Box Office1100+64k+
How to Not Overfit?Don't Overfit! II900+47k+
Selected Competitions
CompetitionResultMedal
Predicting Molecular Properties8 / 2737Gold
Home Credit Default Risk64 / 7176Silver
Santander Value Prediction108 / 4464Silver
TGS Salt Identification100 / 3219Silver
Microsoft Malware Prediction120 / 2410Silver

Featured Talks

2025
Journey from Non-tech to Meta Engineer
Career path from ERP consulting to ML engineering at Meta.
2023
Fraud Detection via Face Recognition
Technical deep-dive into Careem's duplicate account detection.
2022
Data Visualization in Data Science
Approaches to effective visualization in ML workflows.
All 20+ talks (by year)

2025: Journey from Non-tech to Meta Engineer

2023: Fraud Detection via Face Recognition · Pre-authorization (RU) · Medical Chat-Bot

2022: NL-Augmenter (RU) · Data Visualization · Chat-bot story (RU) · 10 years in IT (RU) · Video Super-Resolution

2021: Business to DL (RU) · Data Viz (RU) · Data Viz (EN) · NER practical aspects (RU) · Reusable DL pipelines · Hydra config (RU) · Podcast: Kaggle & ML · DS Career

2020: Digit recognition & topic modelling · Pair Programming: Drug Classification · My Kaggle Story · MoA Prediction · Metro Visualization · DL Pipelines · PyTorch Lightning + Hydra

2019: Gold solution: Molecular Properties · 2019 in Kaggle (RU) · Chaotic client actions (RU) · Data visualization storytelling (RU)

Interviews & Podcasts

Chai Time Data Science
Interview with Kaggle Kernels Grandmaster #1
Conversation about Kaggle, notebooks, and becoming #1 in the global ranking.
Let's Talk AI
Data Science, Kaggle, ChatBots and Fraud Detection
Broad conversation about ML career, Kaggle, and real-world ML projects.
All interviews

Community & Mentoring