# Full Stack Software Engineer

> Raydar · San Francisco, United States · Full-time · Posted 2026-09-30

**Salary:** USD 140,000–210,000

**Workplace:** on_site

## Description

About the company

Our client is a fast-growing software company.

The role

Raydar is recruiting for this role on behalf of our client. Join a small engineering group as a hands-on full-stack engineer with broad ownership, diagnosing issues and shipping improvements to production. Build backend services, integrations, automation and user-facing experiences, partnering closely with technical leadership and operations.

What you'll do

\- Own and scale a system that sources and reaches specialized audiences through several acquisition channels.

\- Build and extend a public API that partner companies integrate with.

\- Build and improve automated agents that screen people through voice and chat, assess their work and flag fraud, and make their behavior reliable and reviewable.

\- Develop marketplace systems for matching, pricing, estimation and repeat engagement, using results from completed work to refine them.

\- Design and build user-facing workflows such as onboarding, instructions, ongoing tasks and payments, collaborating with users and operations to remove friction.

\- Take responsibility for production behavior, investigating failures across the application, background jobs and third-party services.

\- Partner with technical leadership to shape architecture for autonomous agents and real-time voice features.

## Requirements

What we're looking for

\- 3+ years of full-stack engineering experience, taking open-ended problems from investigation to a working product.

\- Strong skills in TypeScript and Postgres, and willingness to pick up unfamiliar areas of the stack.

\- Experience with large language models, voice AI agents or evaluation methods.

\- Effective use of AI coding tools, with responsibility for reviewing and testing your own output.

\- Interest in marketplace dynamics such as matching, routing, pricing and network effects.

\- Self-direction in an environment with broad scope and little upfront specification, including direct contact with end users.

\- Ability to get up to speed quickly and begin shipping independently early on.

## Benefits

Compensation and benefits

\- Base salary: USD 140,000 to 210,000 per year

\- Equity

\- Relocation support

\- Health, dental and vision coverage

\- Retirement plan with company match

Location and work model

\- San Francisco, CA, United States

\- On-site

\- Full-time

## Apply

[Apply at Raydar](https://apply.workable.com/raydar/j/2597B14856/apply)

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