Jae Young Bang | Director of Software Development

Jae Young Bang, PhD

Director of Software Development

Dr. Jae Young Bang is a Senior Computer Scientist and the Director of Software Development with over a decade of experience in software engineering. His background ranges from academic research in software architecture to leading‑edge software development practice.

He currently serves as a testifying expert in software-related litigation, including patent/copyright infringement and breach-of-contract matters. As a Senior Computer Scientist, he performs software analysis on behalf of clients. He has reverse-engineered and analyzed the hardware and software designs of a broad variety of complex, real-world systems. He has conducted many investigations of the design and implementation of these systems for various companies concerning copyright infringement claims and other intellectual property considerations, such as patent infringement and trade secret theft.

As the Director of Software Development, Jae leads the effort of Quandary Peak Research’s internal software research and development to advance technologies in software source code analysis, quality evaluation, design comparison, reverse engineering, cost estimation, and failure investigation. Additionally, Jae oversees the development of Simian Similarity Analyzer, an open source software tool that Quandary Peak uses in-house.

Jae teaches software engineering classes at University of Southern California (USC) and University of California, Irvine (UCI). The current and past classes include the graduate-level Software Architectures class at USC and the undergraduate-level Software Design: Structure and Implementation class at UCI.

Within the broad field of computer science, Dr. Bang’s specific areas of expertise encompass software engineering, distributed systems, software architecture, software analysis, computer programming, mobile device software, and Internet software. He has direct experience building and analyzing software applications and Internet services.

Summary of Qualifications

  • Holds a Ph.D. and a M.S. in Computer Science from University of Southern California (Los Angeles, CA) and a B.Eng. in Computer Science from Soongsil University (Seoul, Republic of Korea).
  • Has several years of experience in software development practice as a software engineer, building authentication and security systems to be used by a user base of over 100 million people.
  • Conducts research in the field of software systems and engineering—including software design and architecture, collaborative software development, large-scale distributed software systems, and mobile operating systems.
  • Has authored numerous peer-reviewed academic research papers published at top-tier journals, conferences, and technical magazines.
  • Delivered various invited speeches, seminars, lectures, and technology demonstrations at domestic and international software industry events and computer science conferences.
  • Teaches Software Architectures at University of Southern California, and Software Design at University of California, Irvine.

Areas of Expertise

  • Programming

    Java, C/C++, Ruby on Rails, HTML (Slim), Javascript (Apps Script, CoffeeScript, TypeScript, JQuery),
    CSS (SCSS), PHP (Hack)

  • Software Project Management

    Version control (Git, Subversion, CVS), continuous integration (Jenkins), GitHub, JIRA

  • Cloud Platforms

    Microsoft Azure, Google Compute Engine, Amazon AWS

  • Operating Systems and Servers

    UNIX, Linux, macOS, Windows, Apache, Nginx

  • Internet Applications

    User identity, authentication, privacy protection, data encryption

  • Databases

    RDBMS, SQL, MariaDB (MySQL), Elasticsearch, JDBC

Litigation Consulting

  • InQuisient Inc v. ServiceNow, Inc |
    Jurisdiction: US District Court for the District of Delaware
    Case Number: 1:22-cv-00900
    Counsel: Fish & Richardson P.C.
    Nature of Suit: Patent
  • Entangled Media, LLC v. Dropbox, Inc. |
    Jurisdiction: Western District of Texas
    Case Number: 1:22-cv-01324
    Counsel: Skiermont Derby
    Nature of Suit: Patent
  • Smart Mobile Technologies, LLC v.
    Samsung Electronics Co. Ltd.
     |
    Jurisdiction: Western District of Texas
    Case Number: 6:21-cv-00701
    Counsel: Graves & Shaw LLP
    Nature of Suit: Patent
  • AGI Suretrack, LLC v. Farmers Edge Inc |
    Jurisdiction: U.S. District Court for the District of Nebraska
    Case Number: 8:22-cv-00275-JFB-SMB
    Counsel: Irell & Manella LLP
    Nature of Suit: Patent
  • Polaris PowerLED Technologies, LLC v.
    Samsung Electronics America
     |
    Jurisdiction: Eastern District of Texas, Marshal Division
    Case Number: 2:22-cv-353-JRG
    Nature of Suit: Patent
    Counsel: Kramer Alberti Lim & Tonkovich LLP
  • Jennifer Waller v. Tampa Bay Times |
    Jurisdiction: US District Court for the Middle District of Florida
    Case Number: 8:23-cv-00119
    Counsel: Edelsberg Law, P.A.
    Nature of Suit: Class Action
  • Melanie Barber v. Eisenhower Medical Center, Inc |
    Jurisdiction: California Central District Court
    Case Number: 5:23-cv-00250
    Counsel: Edelsberg Law, P.A.
    Nature of Suit: Class Action, Breach of Contract
  • Emma Mendoza v. The Washington Post |
    Jurisdiction: U.S. District of Columbia Superior Court
    Case Number: 2023CAB001101
    Counsel: Edelsberg Law, P.A.
    Nature of Suit: Class Action
  • Nations Info Corp. v. Rink |
    Jurisdiction: American Arbitration Association
    Counsel: Structure Law Group, LLP
    Nature of Suit: Breach of Contract
  • IPA Technologies, Inc v. Microsoft Corp. |
    Jurisdiction: District Court, District of Delaware
    Counsel: Skiermont Derby, LLP
    Nature of Suit: Patent
  • MyPort, Inc v. Samsung Electronics Co., Ltd. |
    Jurisdiction: District Court, Eastern District of Texas
    Counsel: One, LLP
    Nature of Suit: Patent
  • Via Transportation, Inc v. RideCo Inc |
    Jurisdiction: District Court, Western District of Texas
    Counsel: Quinn Emanuel Urquhart & Sullivan, LLP
    Nature of Suit: Patent
  • Broadband iTV, Inc v. Comcast Corporation; Comcast Cable Communications, LLC; NBCUniversal Media, LLC |
    Jurisdiction: International Trade Commission
    Case Number: 337-TA-1315
    Counsel: Kramer Day Alberti Lim Tonkovich & Belloli
    Nature of Suit: Patent
  • Broadband iTV, Inc v. Charter Communications, Inc; Charter Communications Holding Company, LLC |
    Jurisdiction: International Trade Commission
    Case Number: 337-TA-1315
    Counsel: Kramer Day Alberti Lim Tonkovich & Belloli
    Nature of Suit: Patent
  • Broadband iTV, Inc v. Spectrum Management Holding Company, LLC |
    Jurisdiction: International Trade Commission
    Case Number: 337-TA-1315
    Counsel: Kramer Day Alberti Lim Tonkovich & Belloli
    Nature of Suit: Patent
  • Broadband iTV, Inc v. Altice USA, Inc; CSC Holdings, LLC; Cablevision Systems Corp. |
    Jurisdiction: International Trade Commission
    Case Number: 337-TA-1315
    Counsel: Kramer Day Alberti Lim Tonkovich & Belloli
    Nature of Suit: Patent
  • Farmobile, LLC v. Farmers Edge Inc |
    Jurisdiction: District Court, Eastern District of Texas
    Counsel: Irell & Manella LLP
    Nature of Suit: Patent
  • Zeta Global Corp. v. Maropost Marketing Cloud, Inc |
    Jurisdiction: District Court, Southern District of New York
    Counsel: Newman Du Wors Durrance
    Nature of Suit: Patent
  • Allscripts Healthcare, LLC v. Andor Health, LLC |
    Jurisdiction: District of Delaware
    Counsel: Locke Lord LLP
    Nature of Suit: Breach of Contract
  • Express Mobile, Inc v. Meta Platforms, Inc |
    Jurisdiction: Northern District of California
    Counsel: Kramer Day Alberti Lim Tonkovich & Belloli, LLP
    Nature of Suit: Patent
  • Express Mobile, Inc v. eBay Inc,
    Express Mobile, Inc v. Salesforce.com, Inc,
    Express Mobile, Inc v. Slack Technologies, Inc
    |
    Jurisdiction: Western District of Texas
    Counsel: Feinberg Day Kramer Alberti Lim Tonkovich & Belloli LLP
    Nature of Suit: Patent
  • RS Software LTD v. Chromedio LLC (dba PayeFX) |
    Jurisdiction: Superior Court of California, County of San Diego
    Counsel: Messner Reeves LLP
    Nature of Suit: Breach of Contract
  • Total Meter Services Inc v. GVM Integration Inc |
    Jurisdiction: Superior Court of Justice, Ontario, Canada
    Counsel: Gowling WLG (Canada) LLP
    Nature of Suit: Copyright
  • Bryndon Fisher v. The United States |
    Jurisdiction: United States Court of Federal Claims
    Counsel: Schubert Jonckheer & Kolbe LLP
    Nature of Suit: Class Action
  • Revitch v. New Moosejaw, LLC |
    Jurisdiction: District Court, Northern District of California
    Counsel: Bursor & Fisher, P.A.
    Nature of Suit: Corporate Civil Suit
  • The Hertz Corp. v. Accenture, LLP |
    Jurisdiction: District Court, Southern District of New York
    Counsel: Wiggin and Dana, LLP
    Nature of Suit: Breach of Contract
  • Farmobile, LLC v. Farmers Edge Inc |
    Jurisdiction: Federal Court of Canada
    Counsel: Gowling WLG (Canada) LLP
    Nature of Suit: Patent
  • OnSors, LLC v. Sabrina Schueppl dba NuMe, ABV Group, Inc |
    Jurisdiction: Superior Court of the State of California
    Counsel: Ulich Balmuth Fisher, LLP
    Nature of Suit: Breach of Contract

Tech Due Diligence Consulting

  • HotelPlanner + Reservations.com merger with Astrea | SPAC |
    Technologies: Hospitality Management Systems
  • Enoviq |
    Technologies: Insurance Management Systems
  • Big Capital |
    Technologies: Smartphone Operating Systems and User Interface

Meet More of Our Experts

Isaac Pflaum | Director of Complex Software Litigation
Director of Complex Software Litigation Chicago

Isaac Pflaum has more than a decade of experience as a scientist, attorney, and consultant to Fortune 100 tech companies and government agencies. He serves as an expert witness in software-related litigation such as patent infringement and breach-of-contract matters.

LitigationLitigationSenior Testifying Expert
Health ITFocus AreaGovernment Contracts & Health Exchanges
Jason Frankovitz | Director of Software Class Actions
Director of Software Class Actions Los Angeles

As a developer and CTO, Jason Frankovitz has been in the trenches of technology for 30 years. He has worked as a programmer, software development manager, technical analyst, CTO, and mentor in a wide variety of industries including social media, digital entertainment, and online advertising.

LitigationLitigationSenior Testifying Expert
Due DiligenceArea of ExpertiseWeb Applications
Brad Ulrich - Software Expert Witness
VP of Health IT & Audits Nashville

Brad Ulrich has a diverse career as a computer scientist, software engineer, technology manager, and entrepreneur. His experience spans software design, programming, patent management, healthcare, mobile devices, startups, technology licensing, regulatory compliance, and risk management.

LitigationLitigationSenior Testifying Expert
Health ITFocus AreaSoftware & Standards
Due DiligenceArea of ExpertiseHealth IT & Standards
Cassie Oates | Director of Litigation Discovery
Director of Litigation Discovery Los Angeles

Cassie Oates has a decade of experience working with software experts in large and small-scale software failure litigation. Experienced in arbitration, bench trials, and jury trials; Ms. Oates offers expertise in document review, fact witness interviews, change management, and testing best practices.

LitigationLitigationExpert Witness Support
Ray Chiang | Software Consultant and Code Analyst
Senior Software Consultant Orange County

Ray Chiang is a software consultant and code analyst involved in technologies related to systems engineering, digital media, embedded system, consumer electronics, and industry-standard development. He is skilled in source code review and reverse-engineering.

LitigationLitigationConsulting Expert
Health ITFocus AreaSoftware Quality & Source Code
Due DiligenceArea of ExpertiseDigital Media & Code Analysis
Shahzad Ahmad | Senior Biomedical and Health IT Consultant
Principal Biomedical & Health IT Consultant Chicago

Shahzad Ahmad has a deep background in healthcare IT as a technical project manager and product owner. His 8+ years of experience includes implementation of EHR systems across the nation’s top healthcare institutions, owning the SDLC of medical devices, as well as bioengineering research of early detection technologies for debilitating diseases.

LitigationLitigationTestifying & Consulting Expert
Health ITFocus AreaEHR & Biomedical Product Design