Senior AI Agent Engineer — Context & Codebase Lead

Hercules; United States; On-site; USD 100,000 - 350,000; Full time

Benefits offered by this job

Unlimited AI token budget

Take what you need vacation policy

Healthcare, vision, and dental

Daily lunches, dinners and snacks in</

the office

Job summary

Hercules is seeking a senior or staff level AI Context & Harness engineer to build the future of AI software development. You will own and evolve Hercules' AI coding agent and evaluation systems, while exploring approaches to reduce cost and improve speed and accuracy.

We value hands-on capabilities across system design, monorepo code quality, and cutting-edge context/harness methods. In-office in San Francisco with openness to exceptional remote candidates in US time zones.

Qualifications

• Our candidate should demonstrate strong context and harness engineering at scale.
• Proven ability to ship features independently for customers.
• Experience with AI coding workflows, prompts, and tooling.
• Proficiency with the core stack: TypeScript, React, Postgres, Redis, and Temporal.

Responsibilities

• Build, maintain, and own Hercules' AI coding agent.
• Build, maintain, and own Hercules' online evals and offline evals.
• Research ways to make the agent cheaper, faster, and more accurate.

Skills

Software fundamentals

Code quality

Product design sense

Context and harness engineering

Monorepos

Tools

TypeScript

React

PostgreSQL

Redis

Docker

Terraform

CDK

Temporal

Job description

Hercules is seeking a senior or staff level AI Context & Harness engineer to build the future of AI software development. You will own and evolve Hercules' AI coding agent and evaluation systems, while exploring approaches to reduce cost and improve speed and accuracy.

We value hands-on capabilities across system design, monorepo code quality, and cutting-edge context/harness methods. In-office in San Francisco with openness to exceptional remote candidates in US time zones.