You build backend systems that stay up when things get ugly.
You care about correctness, performance, and clarity over cleverness.
You want your code to power decisions involving real money.
If you have only worked on internal tools or low-impact services, this is not the role.
You will build the backend systems that power Reflexivity’s AI-driven investment platform.
This role exists because scale, data complexity, and latency matter deeply in finance.
You will work closely with AI and product teams to ship production-grade systems.
After 3 months:
You ship production code confidently and understand system trade-offs.
After 6 months:
You own critical services and improve their performance or reliability.
After 12 months:
You influence architecture decisions and mentor other engineers.
Job details are sourced from the employer's original posting.
Open job postingAbout the company
ToggleAI is a company focused on building AI systems for professional investors, aiming to create tools that move capital and are used daily.