# Backend Software Engineer

> Raydar · San Francisco, United States · Full-time · Posted 2026-10-05

**Salary:** USD 185,000–300,000

**Workplace:** on_site

## Description

About the company

Our client is a fast-growing financial technology company.

The role

Raydar is recruiting for this role on behalf of our client. Own backend engineering for a latency-sensitive platform, with a focus on risk logic, consistent state handling and fast APIs. The role is hands-on and performance-minded, and sits within a close-knit team that works side by side in person.

What you'll do

\- Build and maintain risk management services that cope with volatile conditions and use capital efficiently.

\- Design and implement state machines that support transaction processing, settlement and risk operations.

\- Develop services that keep data consistent across asynchronous processes using coordination and consensus techniques.

\- Ingest live data feeds and coordinate time-sensitive workflows across external systems.

\- Create high-performance REST and WebSocket APIs with very fast response times.

## Requirements

What we're looking for

\- Production experience with Rust.

\- A genuine, demonstrable interest in trading or financial markets.

\- Comfort working with several database types, including relational, time-series and key-value.

\- A track record of shipping server-side software where speed and heavy load matter.

\- Hands-on experience with asynchronous programming.

\- Prior experience working at a startup.

Bonus points

\- Self-directed projects outside of work in a systems programming language.

\- Background in latency-sensitive or trading software.

\- Experience in fintech, trading or blockchain.

## Benefits

Compensation and benefits

\- Base salary: USD 185,000 to 300,000 per year

\- Equity

\- Medical, dental and HSA coverage

\- Retirement plan with employer match

Location and work model

\- San Francisco, CA, United States

\- On-site, 5 days per week in office

\- Full-time

## Apply

[Apply at Raydar](https://apply.workable.com/raydar/j/EFB14FF5D6/apply)

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