Mark DeLillo
Staff Software Engineer at Justworks- Claim this Profile
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Bio
Experience
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Justworks
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United States
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Human Resources Services
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700 & Above Employee
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Staff Software Engineer
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Sep 2022 - Present
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Sidelight
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New York, New York, United States
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Software Engineer
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Jan 2022 - Jun 2022
• Created and managed real-time indexers for Band and Terra blockchains in Go • Developed a tool to generate financial reports for shareholders of these blockchains • Created and managed real-time indexers for Band and Terra blockchains in Go • Developed a tool to generate financial reports for shareholders of these blockchains
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Flex
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United States
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Financial Services
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200 - 300 Employee
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Software Engineer
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Apr 2021 - Aug 2021
• Migrated manual jobs for ingesting and syncing user data to automated cloud services • Improved customer support response rate by adding request routing • Debugged and patched production issues during mission-critical windows • Created developer tooling for interacting with multiple platforms and services • Migrated manual jobs for ingesting and syncing user data to automated cloud services • Improved customer support response rate by adding request routing • Debugged and patched production issues during mission-critical windows • Created developer tooling for interacting with multiple platforms and services
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Cloud Foundry Foundation
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United States
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IT Services and IT Consulting
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1 - 100 Employee
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Staff Software Engineer & Engineering Manager
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Oct 2014 - Apr 2021
• Implemented container creation and networking for Windows 2019 Server in Go • Developed a blue-green application deployment pipeline to eliminate downtime • Created a single-VM deployment of Cloud Foundry used to improve local testing and development workflows • Built a Kubernetes resource and controller that allowed customers to use their own base container images in Tanzu Build Service • Maintained and redesigned a system for compiling, testing, and distributing a large number of languages, package managers, and frameworks • Designed and implemented tooling for credential and certificate rotation in a distributed system • Added support for credential encryption via a hardware security module • Managed full-time engineers and interns across multiple teams Show less
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Skarven Enterprises
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Information Technology & Services
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1 - 100 Employee
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Software Engineer
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Jun 2011 - Oct 2014
• Developed a system to extract geographical locations from documents and a Google Maps-powered front-end to enable location-based searching • Built a modular and extensible ETL pipeline using Apache Storm • Created a Ruby web service to store and retrieve documents using Accumulo that ingested over 25 million documents per day • Wrote a MapReduce job and RESTful API for searching a large document store • Built a Rails application for configuring services on a distributed system • Developed an application for displaying global and user-specific recommendations Show less
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Stevens Institute Residence Life
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Hoboken, NJ
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Web Developer
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Jan 2010 - Jun 2011
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Stevens Institute of Technology
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United States
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Higher Education
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700 & Above Employee
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Tutor
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Jun 2008 - Dec 2010
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Skarven Enterprises
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Information Technology & Services
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1 - 100 Employee
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Intern
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May 2010 - Aug 2010
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Supervisor
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May 2005 - Jan 2010
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Intern
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May 2009 - Aug 2009
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Education
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Stevens Institute of Technology
Master's Degree, Computer Science -
Stevens Institute of Technology
BS, Computer Science