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John Shelburne

John Shelburne

Technical Executive | Capital Markets Infrastructure | Applied AI Systems

Dallas, TX | john@catfix.biz | LinkedIn | GitHub

Executive Summary

Operator with 20+ years building and scaling trading technology, electronic market infrastructure, and AI-driven analytics platforms across fixed income markets. Combines institutional trading expertise with hands-on engineering across distributed systems, cloud infrastructure, machine learning deployment, and AI workflow orchestration.

Built and operated production ML infrastructure supporting $50B+ daily market-data processing with 91% model accuracy while reducing infrastructure costs by more than 80%. Previously generated $10M+ recurring revenue through Bloomberg TOMS implementations and institutional trading platform deployments across the US and Europe.

Core Competencies

Capital Markets

  • Fixed Income Trading & Analytics
  • Electronic Trading Platforms
  • FIX Protocol & Connectivity
  • Securities Lending & Bond Markets
  • Bloomberg Terminal / TOMS
  • Institutional Sales & Trading Workflows

Engineering & Infrastructure

  • Python, Go, JavaScript, TypeScript
  • React, Node.js, FastAPI
  • PostgreSQL, GraphQL, REST APIs
  • GCP, AWS, Azure
  • Docker, Kubernetes, Terraform
  • Apache Beam, BigQuery, Kafka

AI & Systems

  • AI Workflow Orchestration
  • Large Language Model Integration
  • Machine Learning Deployment
  • Distributed Data Pipelines
  • Cloud Cost Optimization
  • Production Infrastructure Operations

Professional Experience

Katana Labs

Dallas, TX | 2021 — Present

Owner & Technology Lead

  • Acquired machine-learning trading platform IP from ING spinout for £25,000 following prior £5M valuation
  • Reduced cloud infrastructure costs by more than 80%, generating approximately $2.3M in operational savings
  • Operated production systems supporting $50B+ daily processing capacity across fixed income analytics workloads
  • Improved distributed pipeline latency by 73% through infrastructure and data-processing optimization
  • Maintained 99.99% production uptime across cloud-native systems
  • Managed deployment and operation of ML-driven relative value analytics platform achieving 91% trade-identification accuracy across 200M+ bond-pair combinations
  • Technology Stack: Go, Python, Node.js, React, PostgreSQL, GCP, Terraform, Apache Beam, BigQuery, Docker

Katana Labs

London / Dallas | 2020 — 2021

Sales & Business Development Advisor

  • Developed institutional go-to-market strategy for machine-learning fixed income analytics platform
  • Secured Google Cloud Partner Advantage status
  • Led Bloomberg Terminal integration strategy extending platform visibility to 325,000+ terminal users
  • Managed strategic partnerships, digital growth initiatives, and investor communications across US and European markets
  • Participated in April 2021 EIS funding round at £5M pre-money valuation

S3 Partners

New York, NY | 2021

Sales Development Representative

  • Built enterprise pipeline for institutional market intelligence and analytics products
  • Supported hedge funds and asset managers implementing alternative-data workflows
  • Developed strategic relationships across institutional trading and investment teams

CatFIX Technology, Inc.

Dallas, TX | 2019 — 2021

Founder & CEO

  • Founded cloud-native FIX infrastructure company focused on regional bank modernization
  • Designed FIX connectivity, certification, and electronic trading workflows for institutional fixed income clients
  • Developed go-to-market strategy for electronic trading infrastructure services
  • Built relationships with regional banks and institutional trading firms across Texas markets

Algomi Ltd

London, UK | 2014 — 2019

European Client Relationship Manager

  • Managed strategic relationships with tier-1 global investment banks and institutional asset managers
  • Led deployment of ALFA liquidity aggregation platform across European and US fixed income markets
  • Implemented institutional trading workflow solutions including Synchronicity and Honeycomb platforms
  • Supported cross-border expansion initiatives positioning Algomi as a leading electronic trading provider

Esposito Securities / Tejas Securities / Southwest Securities

Dallas, TX | 2010 — 2014

Vice President, Fixed Income Trading

  • Oversaw electronic trading operations and fixed income desk infrastructure
  • Developed algorithmic trading and execution workflows
  • Managed institutional connectivity and electronic execution systems
  • Contributed to revenue growth across fixed income trading operations

Bloomberg LP

San Francisco, CA | 2000 — 2010

Senior Sales Executive — Trade Order Management Systems

  • Generated more than $10M in recurring revenue through Bloomberg TOMS implementations across the Western United States
  • Achieved more than 150% territory growth during tenure
  • Designed and implemented fixed income trading infrastructure for institutional clients including City National Bank, Bank Investment Group, and Thomas Weisel Partners
  • Led migration of legacy trading systems to Bloomberg institutional workflows
  • Trained and mentored junior sales professionals on complex electronic trading system deployments

Education

University of Texas at Austin — McCombs School of Business

Professional Certificate, Full Stack Development — 2024

Professional Certificate, Cloud Computing — 2023

Texas Christian University

Bachelor's Degree — 1998

Certifications

  • FINRA Series 7
  • FINRA Series 63
  • Google Cloud Platform Certified