Stephen Ryan

Stephen Ryan Email and Phone Number

Data Engineer
Stephen Ryan's Location
San Mateo, California, United States, United States
About Stephen Ryan

Data Engineer with 9 years of experience working with tools and platforms such as Hive, MySQL and Spark to join complex data sets and answer key data metrics and questions.

Stephen Ryan's Current Company Details

Data Engineer
Stephen Ryan Work Experience Details
  • Activision
    Senior Data Engineer
    Activision Jan 2024 - Oct 2024
    Foster City, California, United States
    Implemented APIs to scrape public data, supplementing in-game data and crash reports for improved analysis and troubleshooting. Created a testing pipeline for an internal KPI reporting system, streamlining issue tracking and enhancing workflow efficiency. Led the development and maintenance of ETLs, integrating third-party data to ensure a robust and scalable data architecture. Collaborated with multi-functional teams to improve code quality and infrastructure, driving innovations across large-scale data systems. Monitored and optimized machine learning-based alert systems for anomaly detection and trend identification, ensuring data and game reliability.
  • Meta
    Data Engineer
    Meta Feb 2022 - Jan 2024
    Designed updated systems to reorganize and maintain key data pipelines running with minimum upkeep, resulting in a substantial reduction in maintenance efforts and resource allocation. Engineered automated tools for expedited pipeline deployment, version control, and data quality assurance, streamlining overall operations. Championed data quality assessments, leading to the discovery and resolution of recurring data anomalies that had been previously obfuscating actual issues. Played a pivotal role in recurrent ETL work (SQL/Python) and data dashboarding to elevate the visibility of crucial data in discussions surrounding Portal device initiatives.
  • Conficheck
    Data Engineer
    Conficheck Jan 2019 - Feb 2022
    Sacramento, California, United States
    Built a record linkage engine that is maintained in Scala to process very large data (500GB+ compressed) and join to an even larger data warehouse (10TB+ compressed). The data is stored in columnar format – Parquet – to enable data skipping and efficient bloom filtering. Worked with Elasticsearch to load data to be consumed by API and easily searchable Migrated an on-premises Hadoop and HQL implementation to Amazon Web Services (AWS) and updated an HBase-centric implementation to a Data Lake oriented implementation using Elastic Map Reduce (EMR) and S3. Logging and monitoring are implemented using SumoLogic Created data pipelines in Airflow and CI/CD using TeamCity and S3
  • Genentech
    Data Engineer
    Genentech Aug 2016 - Sep 2018
    Worked with a team of developers to maintain our Oracle database and associated .NET services which delivered data to Process Engineers Maintained a local website (Frontend: React, API: C#, Database: Oracle) which presented data to make informed decisions Worked with team to implement sprint-based system including code review
  • Spotlight
    Data Engineer
    Spotlight Feb 2015 - Jun 2016
    Davis, Ca
    Created a video based report card that takes students marks from an excel database using Excel macros and MS Access. Translated into an html video via JavaScript to create a playable mp4.
  • Netpace
    Big Data Intern
    Netpace Mar 2014 - Sep 2014
    Work with social media API’s such as Twitter, Instagram, and Vine. Search API’s to find trending stories for use in media. Use results to add additional information from other API’s such as adding Instagram pictures to a story created from twitter hashtags.

Stephen Ryan Education Details

Frequently Asked Questions about Stephen Ryan

What is Stephen Ryan's role at the current company?

Stephen Ryan's current role is Data Engineer.

What schools did Stephen Ryan attend?

Stephen Ryan attended University Of California, Davis.

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