Lead Software Engineer

Renaissance Technologies is looking for a $118,000 - $176,000 Lead Software Engineer to join our Lawrence, KS office and accelerate our product roadmap. This Lead Software Engineer opening rewards 9 years with more than $118,000 - $176,000 — it offers a real grip on the technology direction at Renaissance Technologies.

• Resurrect flaky Flask tests until the Lawrence, KS suite is trustworthy again
• Catch the GraphQL race conditions that only surface under Lawrence peak traffic
• Document the Teamwork system so the next lead engineer onboards in days, not weeks
• Maintain and improve CI/CD infrastructure across KS engineering teams
• Prototype proof-of-concept solutions for emerging technology requirements
• Keep the Teamwork build pipeline green so Lawrence deploys never wait on a red light

• Comfort being measured against a clear lead bar
• Flexibility to adapt your approach as business needs evolve
• Strong time-management skills and a bias toward action
• Proven Jest judgment when the textbook answer doesn't fit

Renaissance Technologies is an ego-light, fiercely independent Lawrence company that would rather earn trust slowly than buy attention quickly. We value clear writing and honest conversation over status games and politics.

We back $118,000 - $176,000 with a growth ladder, a mentor invested in your Flask, and benefits that travel with you across Lawrence, KS.

Hiring for this position is live and moving quickly, with interviews already underway.

If steady freelance work with real stakes appeals to you, the Lead Software Engineer chair is waiting.