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Financial Technology

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Financial Technology

FinTech Banking and Blockchain Experts

Barr Group's FinTech expert witnesses provide software analysis, system architecture review, and testimony to assist attorneys in litigation. Our experts have developed and maintained critical banking, trading, and e-commerce systems and software and have courtroom testifying experience.

Need an expert for fintech litigation? Contact us >

Financial Technology and Banking Software

Barr Group's financial technology (FinTech) and e-commerce experts​ are intimately familiar with the full range of complex mission-critical banking and trading technologies, including:​

  • Mobile apps for personal and corporate banking
  • Real-time trading platforms and algorithmic trading algorithms
  • Blockchain and cryptocurrencies such as Bitcoin and Ethereum
  • Payment processing solutions, including payment gateways
  • Electronic clearance systems including ISO 20022, NACHA, and SWIFT
  • Digital wallets, online shopping, and e-commerce transactions
  • Regulatory compliance relating to e.g., GDPR, KYC, and AML
  • Data security and encryption to safeguard personal financial data
  • Risk management tools and strategies for financial institutions
  • Loan and mortgage processing, including credit ratings (e.g., FICO)
  • Data analytics and machine learning applied to fraud detection
  • Mobile payment solutions, including Apple Pay and Google Wallet

Barr Group's software experts are familiar with the operating systems and middleware/APIs used in mission-critical business computing systems, as well as major programming languages from C++, C#, and Java to SQL and even COBOL.

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Expert Witness Services

Barr Group's FinTech experts support plaintiffs and defendants in litigation in U.S. District Courts and state courts, at the International Trade Commission (ITC), and before the Patent Trial and Appeal Board (PTAB). Our services include:

  • Technical assistance with drafting of discovery requests
  • Software source code review and analysis
  • Source code comparisons for copyright and trade secret theft
  • Evaluation of software application design, engineering and deployment
  • Analysis of distributed systems design and network performance
  • Prior art review for patent invalidity
  • Forensic analysis of server logs and metadata
  • Financial and accounting review of historical transactions
  • Expert reports, declarations, and witness statements
  • Testimony at deposition, oral hearings, and trials

Barr Group has a demonstrated ability to quickly activate one or more code reviewers to match the size, scope, and complexity of any project.

How can we help you today? >

The following is a representative subset of Barr Group's experts who have experience designing and/or testifying about these technologies:

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(866) 653-6233

Data Governance and SaaS UX Expert Profile

Senior design leader with over 25 years of experience architecting user experiences for complex enterprise software systems, with particular expertise in machine identity management platforms, master data governance solutions, and mission-critical SaaS applications across cybersecurity, CRM, and financial compliance domains. This expert brings deep technical knowledge of enterprise design systems, accessibility compliance standards, and agile product development methodologies.

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Telephone:
(866) 653-6233

Autonomous Cargo Drone Systems Expert Profile

Pioneer in autonomous cargo drone systems with over 40 years spanning foundational work in fintech systems, technology infrastructure, and large-scale transformations, this expert has spearheaded creation of the autonomous freight industry. Brings deep expertise in AI/machine learning, cloud microservices architecture, and autonomous systems design, combined with proven regulatory mastery in emerging aviation technologies.

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Telephone:
(866) 653-6233

Graphical User Interface and Usability Expert Profile

Human factors engineering professional with 44 years of experience in usability science, graphical user interface design, and product ergonomics. This expert is President of a usability consulting firm specializing in landmark product designs across handheld communication devices, financial trading systems, and consumer electronics. A named inventor on multiple U.S. utility and design patents, this expert has served as testifying expert in over 75 major intellectual property cases and directed amicus briefs with favorable court outcomes.

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Telephone:
(866) 653-6233

Oracle Enterprise Performance Management Expert Profile

Expert in Oracle Enterprise Performance Management with over twelve years of specialized technical experience in financial consolidation and planning solutions. This expert combines MBA-level financial acumen with comprehensive expertise across the Oracle EPM stack—Essbase, Planning, HFM, PCMCS, FDMEE, and Financial Reporting—and OneStream platforms.

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Telephone:
(866) 653-6233

Financial Trading Systems Expert Profile

Senior technology leader with over 25 years of experience specializing in trading systems architecture, portfolio management platforms, and comprehensive asset management technology infrastructure. This expert has held Chief Technology Officer and Chief Information Officer roles at leading financial institutions globally, developing deep expertise in algorithmic trading infrastructure, market data architecture, regulatory compliance technology, and business continuity planning.

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Telephone:
(866) 653-6233

Casino Gaming Mathematics Expert Profile

Senior mathematics expert with 15+ years of specialized experience in casino gaming systems, probability modeling, and game structure design. With advanced expertise in slot machine mathematics, volatility analysis, and game simulation modeling, this expert has delivered probability analysis and mathematical verification for over 100 casino games spanning slots, blackjack, baccarat, roulette, and other table games. Combines deep technical knowledge of random number generation and regulatory compliance with demonstrated proficiency in Excel VBA, C++, and Java programming.

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Telephone:
(866) 653-6233

Casino Game Mathematics Expert Profile

Senior game mathematician with nearly two decades of specialized experience in casino game design, mathematical analysis, and quality assurance for complex gambling mechanics including slots, video poker, lotteries, and bingo games. This expert holds a PhD in mathematics and possesses deep expertise in mathematical design, payout modeling, statistical validation, random number generation, and fraud detection within gaming systems. Career includes leadership positions at major gaming software providers and extensive experience as an independent mathematics consultant.

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Telephone:
(866) 653-6233

Applied Cryptography and Zero-Knowledge Proofs Expert Profile

Assistant Professor of Computer Science specializing in applied cryptography, zero-knowledge proof systems, and privacy-enhancing technologies. This expert brings exceptional technical depth in both theoretical and applied cryptographic systems, with particular expertise in secure multiparty computation protocols, differential privacy applications, and cryptographic steganography.

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Telephone:
(866) 653-6233

Software Project Management and Enterprise Architecture Expert Profile

Professor Emeritus with over 30 years of expertise in information systems management, software project management, and enterprise architecture. Recognized expert witness in software development disputes, IT governance, and intellectual property litigation. As CEO of a software consulting firm and former full professor at a major university, this expert brings rigorous, academically-grounded knowledge with Congressional testimony on technology and cybersecurity.

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Telephone:
(866) 653-6233

Gaming Mathematics and Payout Systems Expert Profile

Senior Quant Developer and Game Mathematician with specialized expertise in designing slot games, optimizing payout models, and implementing game logic within backend server architectures. This expert combines mathematical rigor with practical Java-based software engineering to develop fairness-compliant gaming systems.

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Telephone:
(866) 653-6233

Ransomware Defense and Enterprise Systems Expert Profile

A seasoned cybersecurity executive and IT management consultant with four decades of hands-on experience designing and architecting enterprise infrastructure, cloud security systems, and advanced ransomware defense architectures. Specializes in large-scale ERP implementations, data center operations, IT project recovery, and enterprise application architecture. Holds a U.S. patent for cybersecurity technology and founded a technology company developing innovative ransomware protection solutions.

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Telephone:
(866) 653-6233

SAP Order-to-Cash and EDI Expert Profile

Seasoned enterprise resource planning and SAP consultant with two decades of hands-on experience configuring and programming complex systems, specializing in Sales and Distribution modules, order-to-cash processes, and EDI integration with deep ABAP programming expertise. A former CPA with a Master of Accounting degree, this expert combines technical programming skills with functional business process knowledge and financial acumen, bringing credibility across technical, operational, and accounting domains.

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Telephone:
(866) 653-6233

Source Code Forensic Analysis Expert Profile

Software forensics expert and intellectual property litigation consultant with over 25 years of programming experience and a decade of courtroom testimony. This expert specializes in source code forensic analysis and reverse engineering for patent and copyright infringement disputes, with expertise in reverse engineering methodologies and substantial similarity analysis. As CEO of a specialized consulting firm, this expert has served as consulting or testifying expert in 20+ IP litigation matters, bringing deep technical knowledge and proven courtroom experience.

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Telephone:
(866) 653-6233

Machine Learning and Digital Advertising Expert Profile

Senior machine learning engineer with over eight years of experience designing and optimizing revenue-generating ML systems at major technology platforms, specializing in advertising auction optimization and ad ranking engine design. This expert brings deep technical expertise in graph neural networks, semantic search systems, conversational AI agents, and ML infrastructure architecture at scale. Also highly experienced in feature engineering and complex algorithmic systems serving large user bases.

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Telephone:
(866) 653-6233

Source Code Analysis and Software IP Expert Profile

Expert witness in source code analysis and trade secret litigation with 40+ years of experience in software development, genomics, telecommunications, and design automation. This expert has testified in more than 60 litigations, with specialized expertise in CodeMatch software analysis and proficiency in Java, C#, SQL, JavaScript, PHP, and other languages for detecting non-literal copying across diverse applications including labor compliance, GIS systems, ATM software, and healthcare management. A co-inventor on 114+ patents in genomics and optical networking.

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Telephone:
(866) 653-6233

NFC Security and Mobile Payments Expert Profile

Security architect with over 15 years of senior-level experience in Near Field Communications security, mobile payment systems, and secure embedded systems. This expert brings deep expertise in secure element technologies, Host Card Emulation, FIDO authentication, and cryptographic protocols across telecommunications, automotive, and financial services sectors. Holds CISSP and CIPM certifications, has authored security standards adopted across automotive cybersecurity (ISO 21434), payment systems (EMV), and IoT platforms.

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Telephone:
(866) 653-6233

Smart Grid Technologies Expert Profile

Computer engineering professor and expert in renewable energy and smart grid technologies with twenty-five years of experience in industry and academia.
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Telephone:
(866) 653-6233

Payment and Transaction Processing Expert Profile

Subject matter expert in electronic payment systems with three decades of experience with financial transaction processing and security.
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Telephone:
(866) 653-6233

Enterprise ERP and CRM Systems Expert Profile

Successful leader of global teams in business process transformation, ERP software implementation, and IT vendor selection as well as data center operation.
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Telephone:
(866) 653-6233

Online and Digital Privacy Expert Profile

Professor of computer science and consultant to government agencies and industry with decades of expertise in computer security and digital privacy.
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Telephone:
(866) 653-6233

SAP HANA and ERP System Expert Profile

SaaS programmer with experience in ERP solutions from SAP and Salesforce as well as cloud computing platforms from Amazon, Google, Microsoft, and Oracle.
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Telephone:
(866) 653-6233

E-Commerce Payment Security Expert Profile

Professor of computer science and consultant with full-stack expertise in database-backed websites and mobile apps, payment system integration, and security.
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Telephone:
(866) 653-6233

NFC and Contactless Payments Expert Profile

Consultant with over thirty-five years of industry experience in smart card-based solutions for payments and digital security and deep expertise in secure chip technologies.
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Telephone:
(866) 653-6233

Cellular Wireless Air Interface Expert Profile

Professor of electrical engineering and computer science with decades of R&D experience in communications networks and wireless signal detection and estimation.
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Telephone:
(866) 653-6233

Software Process Improvement Expert Profile

Subject matter expert in software quality, data analytics, wireless communications and networking, web technologies, user interfaces, and e-commerce.
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Telephone:
(866) 653-6233

Cybersecurity & Cyber-Warfare Expert Profile

Prolific author of books and papers on cybersecurity, cyberwarfare, and digital forensics, as well as cryptography and other forms of applied mathematics.
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Telephone:
(866) 653-6233

E-commerce SaaS Software Expert Profile

Computer scientist with industry experience managing development of a range of computer systems from e-commerce and SaaS websites to set-top boxes.
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Telephone:
(866) 653-6233

System & Software Testing Expert Profile

Prolific author who has trained tens of thousands of engineers in systems testing and has over thirty years of experience in software and electronics testing.
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Telephone:
(866) 653-6233

FinTech and Bank Software Expert Profile

Experienced developer of high-reliability business computing systems and large-scale software projects, especially in the world of bank technology.

Expert K652T
Payment and Transaction Processing Expert
Subject matter expert in electronic payment systems with three decades of experience with financial transaction processing and security.
Link to Profile Page
Expert H320S
SAP HANA and ERP System Expert
SaaS programmer with experience in ERP solutions from SAP and Salesforce as well as cloud computing platforms from Amazon, Google, Microsoft, and Oracle.
Link to Profile Page
Expert D300Y
Enterprise ERP and CRM Systems Expert
Successful leader of global teams in business process transformation, ERP software implementation, and IT vendor selection as well as data center operation.
Link to Profile Page
Expert V536F
NFC and Contactless Payments Expert
Consultant with over thirty-five years of industry experience in smart card-based solutions for payments and digital security and deep expertise in secure chip technologies.
Link to Profile Page
Expert S536R
FinTech and Bank Software Expert
Experienced developer of high-reliability business computing systems and large-scale software projects, especially in the world of bank technology.
Link to Profile Page
Expert Y210B
Smart Grid Technologies Expert
Computer engineering professor and expert in renewable energy and smart grid technologies with twenty-five years of experience in industry and academia.
Link to Profile Page
Expert G642K
E-Commerce Payment Security Expert
Professor of computer science and consultant with full-stack expertise in database-backed websites and mobile apps, payment system integration, and security.
Link to Profile Page
Expert K650N
Software Process Improvement Expert
Subject matter expert in software quality, data analytics, wireless communications and networking, web technologies, user interfaces, and e-commerce.
Link to Profile Page
Expert B420K
System & Software Testing Expert
Prolific author who has trained tens of thousands of engineers in systems testing and has over thirty years of experience in software and electronics testing.
Link to Profile Page

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Expert Services

  • Expert Reports by Testifying Software Experts
  • Software Source Code Review and Analysis
  • Reverse Engineering and Forensic Analysis
  • Consulting Experts in Software and Electronics

Matters and Venues

  • Patent Infringement and Invalidity Experts
  • Software Copyright and Trade Secrets Experts
  • Product Liability and Failure Analysis Experts
  • Contract Disputes and Software Project Failures
  • Venues and Clients

Areas of Expertise

Artificial Intelligence
Automotive Systems
Cloud Computing
Computer Security
Consumer Electronics
Electronic Circuits
Enterprise Software
Financial Technology
Firmware and IoT
Industrial Controls
Mechanical Design
Medical Devices
Military & Aerospace
Mobile Devices & Apps
Optical Equipment
Renewable Energy
Signal Processing
Telecommunications
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