# Full Stack AI Engineer

> Raydar · San Francisco, United States · Full-time · Posted 2026-10-12

**Salary:** USD 175,000–275,000

**Workplace:** on_site

## Description

About the company

Our client is an early-stage technology company.

The role

Raydar is recruiting for this role on behalf of our client. Design and build AI-driven systems along with the user-facing applications that sit on top of them, spanning backend services and front-end work. The position is hands-on and autonomous, with considerable greenfield development in a small engineering group.

What you'll do

\- Develop autonomous agent systems, including memory and iterative self-improvement mechanisms.

\- Create pipelines for model evaluation and for generating artificial training data.

\- Devise grading methods for areas where correct answers are hard to define objectively.

\- Build vector search and retrieval infrastructure that handles heavy traffic.

\- Develop large-scale web crawlers that gather visual content.

\- Deploy model inference services and expose them through APIs for external users.

\- Improve tooling and infrastructure so that systems stay dependable and responsive.

\- Create internal data-management tools and interfaces for outside specialist reviewers.

\- Design engaging, game-like web features such as quizzes, rankings and incentive flows.

## Requirements

What we're looking for

\- Background in shipping AI products used directly by end users, or time spent at a company built around AI.

\- Practical experience with LLM-based applications, including agent workflows, prompt and context design, embeddings and search indexing.

\- Ability to deliver complete products, from web interfaces to the backend systems that support them.

\- Degree in computer science or a related field.

\- Fluent English.

\- Comfort working in early-stage settings with unclear requirements.

\- Real curiosity about design and visual quality.

\- Inventive approach to building infrastructure for problems with no established playbook.

Bonus points

\- Strong skills in React, TypeScript and Python.

\- Experience at a small engineering organization or a company that scaled quickly.

\- Public code contributions or side projects driven by personal curiosity.

\- Experience at design software, web indexing or data-focused companies.

## Benefits

Compensation and benefits

\- Base salary: USD 175,000 to 275,000 per year

\- Equity

\- Relocation support

Location and work model

\- San Francisco, California, United States

\- On-site, in office

\- Full-time

## Apply

[Apply at Raydar](https://apply.workable.com/raydar/j/755DCCB395/apply)

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