Software Engineer Intern

Exegy
St. Louis, Missouri, United StatesFull-timePosted Sep 10, 2026

About the role

About Exegy

Exegy is a global leader in intelligent market data, advanced trading systems, and future-proof technology. Exegy serves as a trusted partner to the complete ecosystem of the buy-side, sell-side, exchanges, and financial services technology firms around the globe. Headquartered in St. Louis with regional offices in North America, the UK/Europe and Asia Pacific, Exegy has the global footprint to deliver world-class support and managed services to its customer base of elite financial market participants.

Job Summary

Exegy is seeking an intern to assist in the design of high-performance data processing applications for the real-time financial data industry. This is an approximately 10–12 week internship position based in St. Louis, MO (hybrid), with a start date in early summer. The intern will primarily be tasked with development, design, and testing activities.

Responsibilities

Participate in the full software development lifecycle

Adopt relevant new technologies, tools, methods, and processes to deliver effective solutions

Maintain software development best practices, including testing, version control, and secure coding practices

Apply engineering principles to solve complex problems through sound and creative thinking

Complete software projects in a cooperative team environment using strong time management skills

Technical Environment

Languages: Python, C, C++

Tools: GitLab, Jenkins, Artifactory, Linux

Methodology: Jira, Agile, CI/CD

Ideal Candidate

Currently pursuing a degree in computer science, engineering, or a related field

Familiarity with Python, C++, and Linux environments

Strong interest in technology, systems, and hardware/software integration

Excellent problem-solving skills and ability to collaborate in a team-oriented environment

Eager to learn and contribute to technical projects

This internship provides the opportunity to gain valuable experience in high-performance and low-latency technology solutions in a dynamic and innovative environment.

Responsibilities

  • Participate in the full software development lifecycle
  • Adopt relevant new technologies, tools, methods, and processes to deliver effective solutions
  • Maintain software development best practices, including testing, version control, and secure coding practices
  • Apply engineering principles to solve complex problems through sound and creative thinking
  • Complete software projects in a cooperative team environment using strong time management skills

Qualifications

  • Currently pursuing a degree in computer science, engineering, or a related field
  • Familiarity with Python, C++, and Linux environments
  • Strong interest in technology, systems, and hardware/software integration
  • Excellent problem-solving skills and ability to collaborate in a team-oriented environment
  • Eager to learn and contribute to technical projects

Skills mentioned

PythonC++CLinuxGitJenkinsCI/CDSoftware TestingPerformance OptimizationSystems Engineering

About Exegy

Trade Better with Exegy | Scalable, Reliable Market Data and Trading Infrastructure for Capital Markets Exegy powers global capital markets with low-latency, mission-critical infrastructure. We are a leading provider of market data, trading, and execution technology—trusted by Tier 1 banks, hedge funds, proprietary trading firms, market makers, exchanges, and ISVs. Backed by Marlin Equity Partners and with over 20 years of experience, Exegy delivers end-to-end solutions that drive performance across the full trading lifecycle. Our solutions are engineered for scalability, resilience, and efficiency, integrating fully managed, purpose-built appliances, FPGA acceleration, and advanced enterprise software. As the only global provider offering a comprehensive range of solutions across the latency spectrum, Exegy enables clients to optimize performance, reduce complexity, and gain a strategic edge in today’s dynamic markets. We are committed to building strong partnerships based on transparency, reliability, and collaboration. With headquarters in St. Louis and regional offices in New York, London, Paris, Belfast, and Manilla – Exegy delivers global support and fosters a collaborative team culture across all major financial centers. 🔗 Learn more: www.exegy.com

Financial Services201-500 employeesSt Louis, Missouri

H-1B sponsorship history

Historical employer filing data was found for Exegy. The employer record includes 12 historical certified applications. This is employer-level history, not a guarantee that this role currently offers sponsorship.