Phil O'Sullivan

Full Stack Software Engineer

 
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Work History & Professional Resume

A comprehensive timeline of my professional software engineering career, systems integration achievements, and military service background.

Download Resume PDF
Boston Globe Media Partners (BGMP) Logo

WordPress Developer 2017 - Present

Boston Globe Media Partners - Boston.com | BostonGlobe.com
  • Custom theme & plugin development
  • Gutenberg block / React Editor creation
  • REST API / Headless integrations
  • Performance, SEO, and CDN optimization
  • Diagnosed and resolved complex cross-platform bugs, publishing bottlenecks, and workflow issues
  • Git, Composer, CI/CD pipelines
  • 3rd-party user & ads integrations
  • Agile development & tactical scaling
  • Collaborated across development, system operations, and editorial CMS teams to deliver platform stability and features
Safety Insurance Corporate Logo

Full Stack Web Developer (LAMP / Perl)

Safety Insurance • 2012 – 2017
  • Created, maintained, and optimized 30+ mission-critical web applications powering policyholder and agent portals.
  • Engineered REST and SOAP APIs to bridge frontend portals with backend systems (AS400, DB2, Oracle).
  • Delivered CMS upgrades to support policyholder email notification flows and marketing initiatives.
  • Optimized complex SQL queries and database schemas (DB2, Oracle) to improve lookup speeds in policyholder portals.
  • Implemented secure coding practices and HTTPS protocols to safeguard sensitive policyholder data and maintain regulatory compliance.
  • Refactored legacy Perl scripts and CGI applications to PHP, enhancing codebase modularity and reducing technical debt.
  • Redesigned form validation and UI flows for the agent portal, reducing quote generation errors and improving agent experience.
Boston Financial Data Services and DST Systems Corporate Logo

Staff Software Developer (Java / JSP)

Boston Financial Data Services / DST Systems • 2010 – 2012
  • Engineered high-performance AJAX financial web applications powered by the FANWeb API for Fortune 500 financial clients.
  • Participated in full software development lifecycle (SDLC) from design to production support.
  • Developed J2EE backend components and SOAP web services to process and transmit financial transaction data securely.
  • Implemented secure session handling, user authorization layers, and strict data auditing features to protect client financial records.
  • Refactored legacy JSP templates and AJAX request flows to improve loading times on high-volume transaction history views.
  • Optimized JDBC connections and complex SQL queries to ensure quick and reliable access to mutual fund data.
International Electronics Inc (IEI) Corporate Logo

Professional Services Engineer & Software Dev

International Electronics Inc. • 1999 – 2009
  • Professional Services Engineer (2005 – 2009): Engineered large-scale XML-RPC APIs and desktop integrations for embedded Linux access control systems.
    • Designed and deployed customized access control software and middleware for enterprise clients, integrating proprietary APIs with third-party security management platforms.
    • Optimized network communication layers and data transmission protocols on embedded Linux boards, improving real-time badge scanning response speeds.
  • Engineering Technician / Developer I (2001 – 2005): Designed and developed firmware/software for hardware access control devices, reducing defect reports by 40%.
    • Wrote and debugged C and Assembly firmware for microcontroller-based security panels, improving serial communication reliability and peripheral support.
    • Developed custom test scripts and simulated hardware setups to automate testing of newly released firmware, identifying defects early in the cycle.
  • Technical Support Representative (1999 – 2001): Diagnosed hardware/software access control network configurations and authored training modules.
Official Emblem of the United States Marine Corps (USMC)

Electro-Optic Repair Specialist (MOS 2171)

United States Marine Corps • 1997 – 2001
  • Maintenance & Calibration: Performed complex mechanical, optical, and electrical repairs on ground ordnance laser devices, night vision equipment, small missile systems, and artillery fire control instruments.
  • System Diagnostics: Inspects and diagnoses component-level electronic and optical faults, alignment errors, and circuit failures to restore equipment to strict technical combat readiness specifications.
  • Advanced Tech Systems: Maintained anti-armor weapon guidance units (TOW missile systems), image-intensified scopes, thermal imaging devices, and laser rangefinders.
  • Quality Assurance & Safety: Managed shop administrative records, maintained logbooks, and adhered to rigorous military technical publications, safety procedures, and quality control checks.