Software Engineer (Java)

• IEX is looking for a Software Engineer to join the team building and supporting the high-performance Java systems that deliver accurate, reliable equities market data from the exchange to the broader market
• This is a strong opportunity for an engineer who enjoys solving complex technical problems in a fast-paced market environment
• Design, build, and maintain Core Java applications that support IEX’s market data publishing systems
• Contribute to application frameworks, messaging APIs, data structures, reliability, and recovery mechanisms
• Build and support distributed systems that process and publish high-volume, real-time market data
• Participate across the software development lifecycle, including development, testing, build and deployment processes, packaging, and dependency management
• Partner with Product to define and develop the future state of market data publishing systems within the Equities business
• Help support systems across the exchange, including market data, order entry, post-trade processing, monitoring, and reporting
• Troubleshoot and resolve production issues in a fast-paced, highly collaborative environment

Benefits

• 100% Employer-Paid Benefit Premiums: Medical, dental and vision benefits premiums covered 100% for employees, spouses, and dependents
• One MEdical Membership: 100% company-paid annual membership to One Medical primary care services
• Matched 401(k), Equity & Bonus Offerings: Competitive compensation packages including equity and bonus opportunities and 401(k) with annual company match
• Learning Stipend and Non-Profit Donation Match: $5000 annual learning stipend and $1000 annual match for donations to 5013(c) organizations of your choice
• In-Office Gym: Fully equipped with weights, treadmills, a Peloton bike, and locker rooms with showers
• Lunch and Learns: Have lunch on IEX and listen to co-workers present on their areas of expertise
• Hybrid Working Environments: Teams determine how and where they work – home, on the road, or in office
• Flexible Vacation Policy: With unlimited PTO, recharge your batteries and come to work ready to innovate
• 16 Weeks Paid Parental Leave: Offered for primary and secondary caregivers at the birth, adoption, or placement of a child

• Prior market data or trading experience is helpful but not required
• Experience working in a Linux environment
• Strong understanding of core Java concepts, including multithreading, concurrency, data structures, and application design
• Familiarity with network programming and distributed systems concepts
• Comfort working with lower-level programming concepts, including bit shifting and signed versus unsigned data types
• Comfortable debugging and supporting production systems
• Strong problem-solving skills and a collaborative approach to working across technical and operational teams
• 3+ years of professional Java development experience, ideally supporting high-performance, real-time, or low-latency systems
• Experience with electronic trading systems, including FIX Protocol, market data feeds, or SIP feeds
• Experience using Codex or other AI-assisted coding tools
• C++ experience
• KDB+ experience
• Familiarity with Python, Shell, or other scripting languages