Technical portfolio

Skills & Expertise

I work across data science, machine learning engineering, and scalable software systems, with particular depth in advertising, search, recommendation, causal measurement, and applied AI.

Measurement science
Data Science & Causal Measurement

Contextual graphs, recommender systems, search science, advertising, marketing science, MMM, MTA, incremental lift, causal inference, propensity-score modeling, experimentation, predictive modeling, and statistical evaluation.

Applied intelligence
Machine Learning & Generative AI

Embedding-based retrieval, two-tower models, information retrieval, NLP, transformers, LLM applications, anomaly detection, classification, ranking, and production-oriented model development.

Data at scale
Data & ML Engineering

Spark with Scala and PySpark, Flink, Hive, Airflow, EMR, Kafka, Athena, Redshift, Databricks, Delta Lake, DuckDB, streaming pipelines, ETL, monitoring, and production ML workflows.

Ship reliably
Full-Stack & MLOps

Node.js, React, Flask, Spring, Play Framework, Akka, REST APIs, Docker, Kubernetes, CI/CD, model productization, distributed systems, data visualization, Amazon AWS, and Microsoft Azure.

Data foundations
Data Platforms

Neo4j and graph databases; Firebase, HBase, Cassandra, MongoDB, and other NoSQL systems; PostgreSQL, Redshift, HiveQL, Microsoft SQL Server, Oracle, and MySQL.

Research direction
Research Interests

AdTech and marketing science, affective computing, news mining, graph mining, anomaly detection, information retrieval, text mining, NLP, trustworthy AI, and empirical evaluation of applied AI systems.

Core toolkit
Languages I use across the stack
PythonScalaSQLJavaScriptJava