James Greene
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James Greene Email & Phone Number

CTO, Software Developer and Subject Matter Expert in Exchanges, Trading Systems including DeFi, Crypto, Futures, Options, Equities, and Derivatives at Joompi Capital Management
Location: Las Vegas Metropolitan Area, United States, United States 5 work roles 1 school
3 phones found area 650 LinkedIn matched
✓ Verified May 2026 4 data sources Profile completeness 100%

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Current company
Joompi Capital Management
Role
CTO, Software Developer and Subject Matter Expert in Exchanges, Trading Systems including DeFi, Crypto, Futures, Options, Equities, and Derivatives
Location
Las Vegas Metropolitan Area, United States, United States

Who is James Greene? Overview

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Quick answer

James Greene is listed as CTO, Software Developer and Subject Matter Expert in Exchanges, Trading Systems including DeFi, Crypto, Futures, Options, Equities, and Derivatives at Joompi Capital Management, based in Las Vegas Metropolitan Area, United States, United States. AeroLeads shows phone signal with area code 650 and a matched LinkedIn profile for James Greene.

James Greene previously worked as Chief Executive Officer, Chief Technology Officer at Joompi Capital Management and Expert Witness at Navesink International. James Greene holds Computer Science from California State University-Sacramento.

Profile bio

About James Greene

Accomplished Chief Technology Officer and Software Developer with a proven track record in software design, development, delivery, and executive management, coupled with robust interpersonal skills for effective team leadership and innovative problem-solving. Deep expertise in technology's role in financial market structures matched with a wide-ranging skill set in Blockchain, DeFi, crypto, coding languages, technologies, and methodologies. Adept at managing the big picture while attaining measurable short-term results.Exchanges/Liquidity Venues: NASDAQ Europe, NASDAQ, NYSE, CME, BM&F, BMV, MexDer, CNBV, LSE, NYSE, KRX, SSE, Oslo Bors, TSE, NSE, ASX, TOCOM, AMEX, CBOT, IEX, WC, SSE (Chile), Micex, MOEX, PHLX, SZSE, JASDECOrder Routing/Matching/Market-Making: Goldman Sachs, Morgan Stanley, Credit Suisse, ING, Crédit Agricole, BofA, Citibank, VTB Capital, Bridgewater, Citadel, 2-Sigma, SAC Capital, Jump Trading, Virtu Financial, Deutsche Bank Securities, Susquehanna CapitalBanking (Retail/CIB): Citibank, Banco do Brazil, ANZ, TD Bank, Commerzbank, Bank of China, BBVA, CCB, Mizuho, Banco Walmart, BoNY, BBVA, ICBC, Washington MutualMarket Risk/Surveillance: Lehman, RBS, Merrill, UBS, Wachovia (Wells) , RBC Capital Markets, Renaissance CapitalEnterprise Architecture: Xinhua, US Bank, UBS, Barclays, Merrill, Lloyds, Wachovia (Wells), Lehman (Barclays), RBS, BMO, SWIFT, Mizuho Securities, Deutsche Bank, SberbankAsset Management/Insurance: Fidelity, AIG, AG Edwards (Wells Fargo Advisors), Putnam Investments, Ameriprise Financial, Lloyds of London, VanguardCoding Languages: C++, Rust, C, Python, x86 Assembler, SQL, CUDA, PTX, C#, JavaScript, Pascal, Java, 6502 and 680x0 Assembler, Solidity, Ruby, Go, Modula-2, COBOL, FORTRAN, Forth, Visual BASIC, R, MAT LAB, Ada, Perl, PHP, Prolog, Julia, Scala, SwiftTechnologies/Methodologies: Distributed Enterprise Architecture and Messaging, Agile Development, Web3, Scrum, AWS, GitHub, Jira, Blockchain, MongoDB, Helm, MySQL, Kubernetes, Docker, Jenkins, Oracle, Postgres, Bitcoin, Ethereum, JSON, ELK stack, Node.js, Hadoop, CRUD, Kafka, REST, Spark, JSTL, NumPy, PyTorch, Web Services, ClearCase, LucidCharts, Azure

Listed skills include Eai, Soa, Financial Markets, Saas, and 46 others.

Current workplace

James Greene's current company

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Joompi Capital Management
Joompi Capital Management
CTO, Software Developer and Subject Matter Expert in Exchanges, Trading Systems including DeFi, Crypto, Futures, Options, Equities, and Derivatives
5 roles · 25 years

James Greene work experience

A career timeline built from the work history available for this profile.

Chief Executive Officer, Chief Technology Officer

Current
Joompi Capital Management

Built a family office to oversee investments, focusing on automated trading strategies. Oversee all development, investment decisions, taxation and legal issues, operations, and infrastructure.Created a custom, low-latency trading system from scratch in clean C++, initially Windows, then completely rewritten for Linux and MySQL.Designed and implemented a.

2015 - Present ~11 yrs 4 mos

Expert Witness

US

Provide specialized knowledge, insight, and testimony in legal cases requiring deep industry expertise. Conduct analyses of case materials, prepare written reports, and articulate findings during legal proceedings, maintaining impartiality and adherence to ethical standards. Discussable cases include:Retail CFD derivatives - Created C++ application for.

2022 - 2024 ~2 yrs

Chief Technology Officer

Las Vegas, Nevada, US

Led reconstruction of the engineering group after the contentious departure of the initial technology founders. The business was highly skeptical of technology and needed to see significant milestones achieved before entirely agreeing to the new vision.Oversaw 12 concurrent software development projects: core system development, distinct integrations with.

2020 - 2021 ~1 yr

Cto Financial Services, Gm Global Exchange Business

Santa Clara, California, US

Provided technology, architecture, best-practice, and industry subject matter expertise for global financial service customers (exchanges, sell-side, hedge funds, buy-side, banks, insurance) leveraging over 120 products and technologies; projects included:Ultra and extreme low-latency architectures and emerging technologies - appliances, embedded coding.

2004 - 2015 ~11 yrs

Senior Director Of Software Engineering

Toronto, ON, CA

Led vital software development projects. Identified new business opportunities with technology partners and internal business groups, then drove these projects through to completion. Built business plans, gained internal executive sponsorship, and directed project activities to ensure all business targets were met.Directed the development of NASDAQ.

2001 - 2004 ~3 yrs
1 education record

James Greene education

  • California State University-Sacramento
    California State University-Sacramento
    Computer Science
FAQ

Frequently asked questions about James Greene

Quick answers generated from the profile data available on this page.

What company does James Greene work for?

James Greene works for Joompi Capital Management.

What is James Greene's role at Joompi Capital Management?

James Greene is listed as CTO, Software Developer and Subject Matter Expert in Exchanges, Trading Systems including DeFi, Crypto, Futures, Options, Equities, and Derivatives at Joompi Capital Management.

What is James Greene's phone number?

AeroLeads has found 3 phone signal(s) with area code 650 for James Greene at Joompi Capital Management.

Where is James Greene based?

James Greene is based in Las Vegas Metropolitan Area, United States, United States while working with Joompi Capital Management.

What companies has James Greene worked for?

James Greene has worked for Joompi Capital Management, Navesink International, Marker Trax, Tibco, and Thomson Reuters.

How can I contact James Greene?

You can use AeroLeads to view verified contact signals for James Greene at Joompi Capital Management, including work email, phone, and LinkedIn data when available.

What schools did James Greene attend?

James Greene holds Computer Science from California State University-Sacramento.

What skills is James Greene known for?

James Greene is listed with skills including Eai, Soa, Financial Markets, Saas, Enterprise Software, Derivatives, Start Ups, and Software Development.

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