Senior Software Engineer
About IEX
At IEX, we’re passionate about building technology that moves industries forward. Our story began when we built a stock exchange designed to deliver high-performance results for all investors. Our belief is that technology should level the playing field so that opportunity is equitable. We are applying what we learned from building a high-performance stock exchange to build technology that solves for complexity and accelerates growth in other areas. We aspire to build a trusted, disciplined, and diversified business. Our goal is to build transformative technology without ever compromising our integrity - and we’re just getting started!
What you'll do:
- Work with technology and operations teams to make design and architecture decisions when developing solutions for the exchange
- Oversee and contribute to the development and maintenance of Java application frameworks, messaging APIs, data structures (collections, etc.), application reliability, and recovery mechanisms
- Manage and participate in the software development lifecycle, including the build, deployment, packaging, and dependency management stages
- Contribute to developing systems including order entry, market data, post trade, system monitoring and reporting
- Work closely with Market Operations and Technology Operations teams to provide help with troubleshooting production issues
Your background:
- Expert in Java development within a low latency environment
- Experience with electronic trading systems specifically the FIX Protocol, market data (proprietary and SIP feeds), and post trade handling
- Linux experience
- Nice-to-haves:
- C++ experience
- KDB+ experience
- Knowledge of Python, Shell or other scripting languages
Why You Should Apply:
- Comprehensive Benefits
- New hire stock equity (RSUs)
- 401K employer match
- Unlimited PTO
- 100% coverage for medical, dental, and vision
- OneMedical membership
- 16 weeks paid parental leave
- Flexible workplace
- Employer charity match
- Learning stipend
- Commuter benefits
- Jump Start onboarding program
- Internal mentor program cross-departmentally
- Friendly and inclusive workplace culture
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 laws and protects workers' rights but is vital to IEX’s overall mission and values.
Our job titles may span more than one career level. The starting annual base pay is between $200,000 and $250,000 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.
Skills Required
- Expert in Java development within a low latency environment
- Experience with electronic trading systems and the FIX Protocol
- Linux experience
- C++ experience
- KDB+ experience
- Knowledge of Python or Shell scripting
IEX Group Compensation & Benefits Highlights
The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about IEX Group and has not been reviewed or approved by IEX Group.
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Healthcare Strength — Employer covers 100% of medical, dental, and vision premiums for employees, spouses, and dependents, with a company‑paid One Medical membership. Mental health and wellness programs, including Calm access and subsidized therapy via Talkspace, further strengthen coverage.
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Parental & Family Support — Generous 16‑week paid family leave for primary and secondary caregivers, plus Care.com access and subsidized back‑up care, supports a wide range of family needs. A dedicated family PTO day and family‑oriented events reinforce this focus.
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Leave & Time Off Breadth — Flexible vacation with unlimited PTO, alongside paid holidays and sick days, supports work‑life balance. Hybrid and flexible work arrangements enhance the usability of time off.
IEX Group Insights
What We Do
Founded in 2012, IEX (IEX Group, Inc.) 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 all investors, and advocate for transparent and competitive markets. Learn more at iex.io.
Why Work With Us
IEX’s mission & entrepreneurial culture opens up a world of opportunity for our team. IEX has four standards: Think Big, Do Good. Win together. Be gritty. Invent & reinvent. IEX is committed to growing responsibly, transparently and profitably to create trust with its team, customers and the industries it operates within.
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