Skip to content

Menu

LinkedIndavid@raydar.xyz

Backend AI Engineer

Fast-growing technology company

  • LocationSan Francisco, California
  • TypeFull-time
  • Posted12 October 2026

The role, as published

About the company

Our client is a fast-growing technology company.

The role

Raydar is recruiting for this role on behalf of our client. Build backend services and machine learning infrastructure that support autonomous software agents, data workflows and externally facing interfaces. You will tackle open-ended technical challenges with a high degree of independence, working in person with a small early team.

What you'll do

  • Build agent runtime components, including memory and iterative self-improvement mechanisms.
  • Create automated quality-measurement pipelines and artificial data creation workflows.
  • Develop vector search and ranking infrastructure able to handle heavy traffic.
  • Build web data acquisition systems that gather large volumes of imagery and other visual content.
  • Stand up model hosting and the service endpoints that customers rely on.
  • Perform security assessments and map potential vulnerabilities.
  • Develop internal tooling and platform foundations that keep everything dependable and quick.

What we're looking for

  • Hands-on background with similarity search and indexing systems for image, video or other creative content.
  • Proven record of shipping AI-centered products, such as agents or model hosting, at a company with demanding engineering standards.
  • Experience building pipelines that produce, gather or label datasets used to train models.
  • Strong Python skills plus experience with cloud platforms and continuous integration and delivery.
  • A degree in computer science or a related technical discipline.
  • Fluent English.
  • Comfort with uncertainty and the ability to define and resolve loosely specified problems without close direction.
  • Firm views on code quality, a preference for simple and clear designs, and real curiosity about making subjective qualities measurable.

Bonus points

  • Familiarity with large-scale web data collection.
  • Time spent at design software or data indexing companies.
  • Experience designing pipelines for artificial data and model assessment.
  • Previous work at an early-stage startup.
  • Public code contributions or self-driven AI side projects.
  • Relocation support

Location and work model

  • San Francisco, California, United States
  • On-site
  • Full-time

Compensation, as the posting describes it

  • Equity

Ready for Backend AI Engineer?

Apply with Raydar

Apply for this role

Not quite right?

Apply to Raydar

One application, considered for new roles as they open.

Applying here sends your application to Raydar. If you also find this role on the company's own careers page, talk to us before you apply there. A direct application can mean we cannot represent you for that role.