Jason Marks
↓ Download PDFSenior Principal Software Engineer & Product Owner
Cherry Hill, NJ · ·
Summary
Detail-oriented, results-driven Senior Principal Software Engineer with 25+ years of experience across defense, telecom, and enterprise software. Equally effective in technical leadership and individual contributor roles. Proven track record building high-scale, high-availability platforms that deliver measurable business impact. Language and technology agnostic.
Experience
Senior Principal Software Engineer
Comcast Corporation, Service Policy Assurance — Cherry Hill, NJ
Product Owner and Engineering Lead for two mission-critical security platforms protecting Comcast and its 30M+ customer base.
Detection platform that identifies compromised user accounts by analyzing identity signals, login behavior, and abuse patterns. Feeds downstream mitigation systems with high-confidence abuse events.
End-to-end automated mitigation platform ingesting 35,000+ events per day across fraud, abuse, and security incident types. Executes 100,000+ automated policy actions daily — including password resets, service suspensions, customer notifications, and postal correspondence. 99% of events are resolved without human intervention; the remaining 1% are routed to a custom case management UI for technician resolution.
- DMCA compliance automation eliminates over $1 billion in annual legal liability exposure
- Compromised account remediation has resecured millions of customer identities
- Voice fraud mitigation program has saved over $60 million since inception
Stack: Java, Spring Boot, MySQL, AWS (Elasticsearch, Lambda, EC2), Cloud Foundry, Splunk, GitLab CI
Software Engineering Manager
Comcast Corporation, Service Policy Assurance — Cherry Hill, NJ
- Managed a team of 7 software and big data engineers in the compliance, anti-fraud, and anti-abuse domain.
- Led the team to bring a greenfield automation and services platform to production, consolidating disparate tools and delivering significant cost savings.
- Led the team in architecting a low-cost data lake on Hadoop, HBase, Solr, and NiFi to power organizational analytics and ML initiatives.
Senior Android Engineer
Comcast Interactive Media — Philadelphia, PA
- Core contributor to the redesign and redevelopment of the customer-facing Xfinity Home Android app. Primary engineer for accessibility, login, and alarm-in-progress experiences.
- Selected for Summer of Code 2015 rotation — joined the Xfinity Home iOS team to build the Continuous Video Recording feature in Objective-C and Swift.
Stack: Java, Android, RxJava, Retrofit, Dagger, OkHttp, Objective-C, Swift
Senior Software Engineer
Comcast Corporation — Mount Laurel, NJ
- Led development of Telescope, a highly available, horizontally scalable, geographically redundant abstraction layer for Comcast's TR-69/CWMP device management platform.
- Led development of DOLLEE, a geographically redundant cable modem cloning detection system running across 100+ servers, processing DHCP data for 25M+ modems.
- Championed adoption of Scrum/Agile and built the team's continuous integration and code quality platform from the ground up.
Stack: Java, C, SOAP/JAX-WS, JMS, EJB, Oracle WebLogic, Oracle RAC, Linux
Senior Member of Engineering Staff
Lockheed Martin Corporation — Moorestown, NJ
DoD Secret Clearance
- Designed, implemented, and tested enhancements to the Aegis Reusable Components library — common infrastructure used throughout the Aegis Weapon System.
- Developed performance benchmarks evaluating commercial and proprietary middleware messaging products.
- Managed task estimation, status reporting, and budget tracking for project work.
Stack: C, Java, Ada, POSIX, DDS, Linux, Solaris, HPUX
Senior Associate Software Engineer
Lockheed Martin Corporation — Manassas, VA
DoD Secret Clearance
- Designed and developed SONAR display systems for the Virginia-class submarine using Motif and proprietary graphics packages.
- Designed and developed a control library for NTDS-E interface cards.
Stack: C++, Java, Unix, X-Windows, Motif, VxWorks
Education
B.S. Computer Engineering — Cum Laude
Virginia Tech