--- title: 'Software Engineer, Java at IEX Group' canonical: 'https://feeny.ai/job/software-engineer-java-iex-group-new-york-hjb5xas5qffd' type: 'job' last_seen: '2026-10-14' --- # Software Engineer, Java at IEX Group - **Company:** IEX Group - **Location:** New York, NY - **Posted:** 2026-09-29 - **Last confirmed live:** 2026-10-14 - **Apply:** https://iex.io/careers/apply?gh_jid=8233756 ## Job description ## About IEX IEX is an exchange operator and technology company dedicated to innovating for performance in capital markets. Founded in 2012, IEX launched a new kind of securities exchange in 2016 that combines a transparent business model and unique architecture designed to protect investors. Today, IEX applies its proprietary technology and experience to drive performance across asset classes, serve investors, and advocate for transparent and competitive markets. ## About the Role 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. Prior market data or trading experience is helpful but not required. ## What You’ll Do - 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. ## Your Background - 3+ years of professional Java development experience, ideally supporting high-performance, real-time, or low-latency systems. - 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. - Experience working in a Linux environment. - Strong problem-solving skills and a collaborative approach to working across technical and operational teams. - Comfortable debugging and supporting production systems. - Nice to Have - Experience with electronic trading systems, including FIX Protocol, market data feeds, or SIP feeds. - C++ experience. - KDB+ experience. - Experience using Codex or other AI-assisted coding tools. - Familiarity with Python, Shell, or other scripting languages. Our job titles may span more than one career level. The starting annual base pay is between $150,000 and $175,000 for this NY-based position. The actual base pay is dependent upon many factors, such as: training, transferable skills, work experience, business needs and market demands. The annual base pay range is subject to change and may be modified in the future. This role is eligible for bonus and equity. Here at IEX, we are dedicated to an inclusive workplace and culture. We are an Equal Opportunity Employer that does not discriminate on the basis of actual or perceived race, color, creed, religion, alienage or national origin, ancestry, citizenship status, age, disability or handicap, sex, marital status, veteran status, sexual orientation, genetic information or any other characteristic protected by applicable federal, state or local laws. This policy not only complies with all applicable. [Notice Regarding Use of Automated Employment Decision](https://cdn.prod.website-files.com/696f8ac812dcabe749e3aa49/6a160a88203a61c983e4e4d1_IEX%20Notice%20Regarding%20Use%20of%20AEDT%20for%20all%20job%20postings.pdf) ## About IEX Group ## Company Overview - **One-liner**: IEX Group is a high-performance U.S. stock exchange operator and technology company dedicated to innovating for market integrity and investor protection. - **Entity Type**: Private (operates a registered national securities exchange) - **Headquarters**: New York, NY, USA (3 World Trade Center, 58th floor) - **Founded**: 2012 (based on public history; IEX exchange launched in 2016) - **Founders**: Brad Katsuyama (CEO), Ronan Ryan (COO), Rob Park (CTO) ## Core Business - **Primary industry**: Financial services – stock exchange and trading technology; expanding into options exchange. - **Target customers**: Institutional brokers, asset managers, retail brokers, and liquidity providers (B2B capital markets). - **Mission/purpose**: "Think Big, Do Good" – level the playing field, protect investors, and improve market integrity through transparent, innovative trading solutions. ## Products & Services - **IEX Exchange**: A U.S. stock exchange offering equitable, high-performance trading with unique features like the D-Limit (discretionary limit) order type. Top 3 in quote presence among 16 U.S. exchanges (Russell 3000). Notional value traded using D-Limit exceeded $8.6 trillion since inception. - **IEX Options (coming soon)**: A new options exchange designed to arm liquidity providers with risk management technology and reduce adverse selection. ## Market Standing - **Valuation/Market Cap**: Not publicly available (private company) - **Key Metric**: $8.6 trillion notional value traded on IEX Exchange using D-Limit since inception; daily traded volume data disclosed quarterly. - **Notable Investors/Partners**: IEX has strong relationships with brokers and investors across the financial industry. Board and advisory committees include diverse industry stakeholders. - **Growth Signals**: Expanding into options exchange; maintaining top-3 quote presence; continuous innovation in order types and market structure. ## Competitive Advantages - **Transparent, broker-neutral exchange model** – no conflict of interest from proprietary trading or data monetization. - **Proprietary technology** – D-Limit and other innovative order types reduce information leakage and improve execution quality. - **Proven track record** – $8.6 trillion notional traded on D-Limit demonstrates adoption by sophisticated market participants. - **Culture of high performance** – attracts top engineering, product, and finance talent. ## Strategic Focus - **Options launch** – entering the options market with a differentiated, technology-first offering. - **Continued innovation** in market structure and order types to benefit all participants. - **Talent growth** – building teams across engineering, data infrastructure, security, finance, and product. ## Why Work Here - **Culture**: "Think Big, Do Good" – emphasis on innovation, growth mindset, resilience, and teamwork. Celebrated for diversity, equity, inclusion, and belonging. - **Hybrid work**: Flexible environment – teams decide how and where to work (home, road, office). - **Office**: NYC headquarters with stunning views, in-office gym (weights, Peloton, showers), and lunch-and-learns. - **Benefits**: - 100% employer-paid medical, dental, vision premiums for employees, spouses, and dependents. - 16 weeks paid parental leave for primary and secondary caregivers. - Unlimited PTO with a flexible vacation policy. - $5,000 annual learning stipend + $1,000 non-profit donation match. - Competitive compensation packs (equity, bonus, 401k with company match). - One Medical membership covered. - **Internal mobility**: Encouraged to learn across departments; internship and early career programs available. - **Open roles** (as of search): Software Engineer for Test, Market Operations Specialist (Options), Commercial Counsel, Senior Data Infrastructure Engineer, Senior Software Engineer, FP&A Associate, Senior Network Engineer, Senior Systems Reliability Engineer, Risk Management Associate. ## Sources 1. [iex.io – Home](https://www.iex.io/) 2. [iex.io – About Us](https://www.iex.io/about) 3. [iex.io – Careers](https://www.iex.io/careers) 4. [iex.io – Benefits Guide](https://www.iex.io/article/iex-benefits-package) 5. [LinkedIn – IEX Group Open Positions](https://www.linkedin.com/company/iex-group-inc-) ## Other roles at IEX Group - [Network Engineer - Ireland](https://feeny.ai/job/network-engineer-ireland-iex-group-dublin-yt9jz3zb07r9) — Dublin, Ireland - [Senior Market Operations Specialist – Options](https://feeny.ai/job/senior-market-operations-specialist-options-iex-group-new-york-3921s4sr5tpj) — New York, NY - [Trading Analytics Specialist, Options](https://feeny.ai/job/trading-analytics-specialist-options-iex-group-new-york-fbna319by2x3) — New York, NY - [Head of SRE, Cross-Asset](https://feeny.ai/job/head-of-sre-cross-asset-iex-group-new-york-mg2tndzk6ypc) — New York, NY - [Project Manager](https://feeny.ai/job/project-manager-iex-group-new-york-nm87p488mbyc) — New York, NY - [Senior Systems Reliability Engineer](https://feeny.ai/job/senior-systems-reliability-engineer-iex-group-must-reside-in-california-or-8fe4407m425d) — Must Reside in California OR, OR - [Software Engineer, Data](https://feeny.ai/job/software-engineer-data-iex-group-new-york-hgdb2cxzt66k) — New York, NY - [Senior Network Engineer](https://feeny.ai/job/senior-network-engineer-iex-group-chicago-c3wbdr40tgth) — Chicago, IL