Staff Software Engineer, AI Agent

Hercules is looking for a senior or staff level AI Context & Harness engineer to help us build the future of AI software development

What will you do?

Build, maintain, and own Hercules’ AI coding agent

Build, maintain, and own Hercules’ online evals and offline evals

Research novel ways to make our agent cheaper, faster, and more accurate (you will have access to 1M+ repos and millions of chat messages)

Software fundamentals: system design, architecture, data modeling, and API design

Code and codebase quality: write clean, maintainable code. Work effectively in monorepos

Product/design sense: track record of independently shipping lots of features to customers

Context and harness engineering skills: strong experience with the most up to date context and harness engineering best practices like summarization/compression, prompting, prompt caching, subagents, memory, dreaming, context management, tools, async tools, deferred tools, RAG, skills, etc

Yes, we know this industry is evolving rapidly and the “best practices” change every week, but yes, we are still actively looking for someone who has wrestled with these challenges at scale and has strong opinions about what works and what doesn’t

Our core stack: TypeScript, React, containers, Postgres, Redis, and Temporal

AI coding: able to truly 10x your workflow by being on frontier of AI coding

What’s Hercules’ stack?

Technologies: Typescript, React, AI SDK, Postgres, Redis, Clickhouse, Tailwind, IaC (CDK, Terraform), Docker, Otel, Hono, Drizzle ORM, Temporal

Clouds: Cloudflare, AWS

AI Models: OpenAI, Anthropic, Google