Joshua Deffibaugh

Joshua Deffibaugh Email and Phone Number

Senior Software Engineer @ CoreWeave
San Diego, CA, US
Joshua Deffibaugh's Location
San Diego, California, United States, United States
Joshua Deffibaugh's Contact Details
About Joshua Deffibaugh

I am an experienced Senior Systems Engineer with a strong background in backend, distributed systems, data engineering, and real-time data infrastructure. My career has spanned roles in leading cloud platforms, object storage, and high-performance systems, with a focus on designing scalable, efficient solutions for companies like CrowdStrike, AWS, Optimizely, and Rockbot. I have deep expertise in building ETL systems, managing large-scale data lakes, and implementing advanced observability and monitoring tools across infrastructure.I thrive in fast-paced environments where innovation, scalability, and system performance are key, and I’m always excited to tackle new challenges in cutting-edge technology.

Joshua Deffibaugh's Current Company Details
CoreWeave

Coreweave

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Senior Software Engineer
San Diego, CA, US
Website:
coreweave.com
Employees:
1281
Joshua Deffibaugh Work Experience Details
  • Coreweave
    Senior Software Engineer
    Coreweave
    San Diego, Ca, Us
    View
  • Crowdstrike
    Senior Systems Engineer
    Crowdstrike Jun 2023 - Present
    Remote, Us
    ● Designed and implemented a comprehensive monitoring system using Prometheus andGrafana, enhancing hardware capacity forecasting across 3,000 servers.● Automated operational tasks such as kernel updates and disk replacements, improvingreliability and reducing manual intervention.● Spearheaded load testing frameworks to identify bottlenecks, optimizing kernelconfigurations for improved packet loss rates.● Mentored team members in Git, Chef, and Ansible, promoting growth and collaboration.
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  • Amazon Web Services (Aws)
    Sde Ii L5
    Amazon Web Services (Aws) May 2020 - Jun 2023
    Seattle, Wa, Us
    ● Designed a protocol enabling S3 to handle 200k+ TPS per node across 10,000+ nodes,reducing latency to sub-millisecond levels.● Led the horizontal scaling of Skynet, a metadata caching layer, ensuring systemcompatibility and scalability.● Built and deployed global IPv6 support for AWS PrivateLink VPCEs, enhancing routingand expanding access.● Developed the Titan Metric Pump (TMP), reducing outage impact assessment time tounder 10 minutes through real-time insights.
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  • Rockbot
    Senior Software Engineer
    Rockbot Nov 2019 - May 2020
    Oakland, California, Us
    ● Migrated real-time music selection data to BigQuery, reducing playlist generation timefrom 30 seconds to less than 1 second.● Achieved a 20x improvement in dashboard load times through Redis caching, enhancinguser experience for over 20,000 locations.● Led the infrastructure scale-up using Golang, Kubernetes, and GCP (BigTable),resolving key scaling challenges.
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  • Optimizely
    Senior Software Engineer
    Optimizely Jul 2015 - Aug 2019
    New York, New York, Us
    ● Developed a bulk event ingestion pipeline and API, improving Optimizely's dataingestion capabilities across all SDKs.● Designed distributed systems to process clickstream data, ensuring 99.9% uptime andreliable event handling.● Implemented a customer metric outlier detection system, securing multi-million-dollardeals through accurate anomaly detection.
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  • Jargon (Acq By Smartling)
    Founder
    Jargon (Acq By Smartling) May 2014 - May 2015
    San Francisco, Ca, Us
    ● Founded Jargon, a crowd-sourced software localization startup, developed SDKs forAndroid/iOS, and led the company to TechStars and subsequent acquisition bySmartling.
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  • Rockbot
    Software Engineer
    Rockbot May 2011 - May 2014
    Oakland, California, Us
    ● Developed and launched the Rockbot Android app, a location-based social jukebox,which was featured on the Google Play Store and gained hundreds of thousands ofusers.
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Joshua Deffibaugh Skills

Early Stage Startups Sdk Development Apis Android Java Gradle Android Development Linux Android Design Javascript Mobile Applications Business Strategy Web Development Mobile Devices Python Php Ios Development Distributed Systems Hbase Apache Kafka Hadoop C Apache Flume Kotlin Ios Android Sdk Angularjs Terraform Bash Unix Ruby Operating Systems Samza Redis Java Virtual Machine Flask Chef Opentsdb Nagios Golang Clojure Map Reduce Rocks Db Networking C++ Node.js Flutter

Joshua Deffibaugh Education Details

  • Penn State University
    Penn State University
    General
  • Georgia Institute Of Technology
    Georgia Institute Of Technology
    Computer Science
  • University Of San Francisco
    University Of San Francisco
    Computer Science

Frequently Asked Questions about Joshua Deffibaugh

What company does Joshua Deffibaugh work for?

Joshua Deffibaugh works for Coreweave

What is Joshua Deffibaugh's role at the current company?

Joshua Deffibaugh's current role is Senior Software Engineer.

What is Joshua Deffibaugh's email address?

Joshua Deffibaugh's email address is jo****@****ail.com

What is Joshua Deffibaugh's direct phone number?

Joshua Deffibaugh's direct phone number is +151046*****

What schools did Joshua Deffibaugh attend?

Joshua Deffibaugh attended Penn State University, Georgia Institute Of Technology, University Of San Francisco.

What are some of Joshua Deffibaugh's interests?

Joshua Deffibaugh has interest in Children, Economic Empowerment, Civil Rights And Social Action, Snowboarding, Politics, Education, Environment, Adventures, Reading, Surfing.

What skills is Joshua Deffibaugh known for?

Joshua Deffibaugh has skills like Early Stage Startups, Sdk Development, Apis, Android, Java, Gradle, Android Development, Linux, Android Design, Javascript, Mobile Applications, Business Strategy.

Who are Joshua Deffibaugh's colleagues?

Joshua Deffibaugh's colleagues are Lucas Swoyer, Michael Rizzo, Mark Mattina, Lucas Tourangeau, Ilias Jimenez, Daniel H., Adam Hadjipateras.

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