Software Engineer (FIX Specialist)

About the Role:
LEX is seeking to hire a FIX Specialist to help build out the infrastructure for our Alternative Trading System. As the first FIX specialist on an engineering team with a flat structure, you’ll fully own core components and services.

- Lead all aspects of FIX related applications in our platform

- Build components on top of the core ATS, including CAT & FINRA reporting, trading controls, etc.
- Work with Full Stack Engineers to establish FIX connections from our OMS to the ATS

- Take part in research and development, designing systems and applications

- Participate in code reviews and technical meetings.
- Potentially contribute to open source projects.
- Over time, hire a team of engineers to support your work.


- 5+ years of experience with the FIX Protocol

- Successful track record in developing applications using FIX engines

- Able to thrive in a fast-paced, rapidly-changing development environment
- Strong understanding of data structures, algorithms, and various design patterns.

- Strong understanding of core principles of OO design and its application

- Experience with highly scaled distributed environments

- Strong analytical and communication skills.

To apply, please send a resume to Only applications sent directly to the careers email will be reviewed.

Check out LEX in the WSJ:…