Technical leadership for Federated Computing platform on Oculus devices: end to end ownership of the platform comprising partner integration, performance mitigations, quality assurance, observability, deployment and support. Trusted execution environment development: owner of security, attestation and binary transparency aspects of Confidential Compute. Stress testing of secure infrastructure under extreme loads.

Technical lead for the data engineering team: data aggregation architecture (Kafka/Airflow/BigQuery), data warehouse (BigQuery), and BI clients (Looker/Data Studio). Data architecture topology, optimization and monitoring. Built data lineage tool to trace bigquery/looker dependencies and enable refactoring of BI/Data-lake system. Overlooked ML pricing initiatives, provided statistical analysis for accessorial fees fluctuations. Streamlined development processes to enable rapid creation of reliable, business critical metrics.

MLE infrastructure on Databricks/AWS - technical leadership, team formation, establishing of engineering processes. As engineer was responsible for implementation of configuration backbone, spark-based ETLs, release engineering. Clinical transcripts analysis, integration of third party keyboard, on-device learning and typology analysis

iOS predictive keyboard. Differentially private typology data collection. Pipeline for measurement and analytics of typing performance. User typing data collection and analysis. Robust typing simulation. Evaluation of language models coverage and accuracy. Mix-network differential privacy models and simulation. Algorithms for DP protected telemetry for iOS keyboard data. Full cycle toolchain for telemetry gathering and data analytics: device reporting, collection pipeline, web back and front ends for search and presentation.

Privacy protection through randomization, algorithmic analysis of noisy data, telemetry.

User personalization, behavioral categorization, news recommendations, corpus linguistics.

Statistical analysis of user data for audience segmentation, web sites clustering and classification.

Browser internals and Firefox addons.