Senior Data Infrastructure Engineer

IEX

IEX

Other Engineering
New York, NY, USA
USD 200k-250k / year + Equity
Posted on Jul 30, 2025

Senior Data Infrastructure Engineer

IEX (IEX Group, Inc.) 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.

At IEX, we are solving complex data problems with best-in-class technology to help achieve our mission of creating fairer financial markets. We are looking for a strong Senior Data Infrastructure Engineer to join our team and help us build new products that will better serve our core customers. This person will have the opportunity to play a key role in developing new platforms for IEX and solve interesting financial data problems.

If you are up for working in a fast-paced environment and a highly collaborative FinTech team elevating the playing field—join us!

About You:

  • Detail-oriented
  • Analytical mindset with excellent problem-solving abilities
  • Excellent communication skills
  • Collaborative team player who thrives in a dynamic environment
  • Eager to contribute to multiple initiatives in a fast-paced environment

What You’ll Do:

  • Design and develop scalable databases and data platforms
  • Build GUI tools to help visualize data
  • Architect and implement complex data solutions from the ground up
  • Maintain and support critical data services, including participating in support rotations
  • Perform data maintenance, backup and security checks
  • Optimize data access
  • Integrate and manage third-party data sources
  • Ensure data security in accordance with internal policies and procedures

Your Background:

  • 5-10 years of experience in data engineering
  • 5+ years of KDB+/Q
  • Expertise in Python
  • Advanced Linux user
  • Preferred:
    • Knowledge of databases, development, and internet software
    • Knowledge of Java/C++
    • Understanding of financial products and equities
  • Good to have:
    • Experience with KX Dashboards
    • Knowledge of working with cloud platforms (AWS, Google and/or Microsoft)

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.