Staff Software Engineer, Full Stack

About the role

Hercules is looking for a senior or staff level full-stack software engineer to help us build the future of AI software development. The founding team works in-office in San Francisco (Kearny and Bush) with a strong preference for in-office work; remote is possible for exceptional candidates willing to work in US time zones and travel to the office regularly.

Responsibilities

• Build and own features across Hercules including our AI Agent, the AI harness that enables anyone to build powerful full-stack applications
• App Builder, the interface that makes it ridiculously easy to build, preview, and deploy apps
• Hosting infrastructure, the backend required to scalably and reliably host hundreds of thousands of apps
• SDK, the headless SaaS that users can integrate into their apps like Hercules Commerce, Hercules Auth, Hercules CMS, Hercules Files & Media
• Platform, our user‑friendly experience with enterprise‑grade security and reliability
• Internal AI coding harness, the internal coding harness we have built to 100x our output

Skills

• 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
• SaaS experience: strong experience with billing (subscriptions, entitlements), identity (OAuth, RBAC, SSO/SAML), product analytics (A/B testing, feature flags), and other popular SaaS features (i18n, notifications) for large user bases
• Core stack: TypeScript, React, containers, Postgres, Redis, and Temporal
• AI: able to truly 10x your workflow by being on the frontier of AI coding
• Additional technologies used at Hercules: 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

Benefits

• Unlimited AI token budget
• Take what you need vacation policy
• Healthcare, vision, and dental
• Daily lunches, dinners and snacks in the office
• We guarantee you will do the best work of your career here

Pay

$100k‑$300k + equity (variable based on seniority, equity, and location). Compensation range: $100K‑$300K.