Full-stack Engineer

Hercules
San Francisco$100k – $250kPosted 16 April 2026

Job Description

Full-stack Engineer What are we looking for? Hercules https://hercules.app is looking for a senior or staff level full-stack software engineer to help us build the future of AI software development What will you do? You will 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 that's required to scalably and reliably host 100s 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 What skills do we expect you to have? We expect candidates to be incredibly strong across all of the following areas: - 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: strong experience with billing (subscriptions, entitlements), identity (OAuth, RBAC, SSO/SAML), product analytics (A/B testing, feature flags), and other popular SaaS features (like i18n, notifications) for large user bases - Our core stack: TypeScript, React, containers, Postgres, Redis, and Temporal - AI: 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 What are Hercules’ operating principles? Hercules’ operating principles guide how we make decisions every day. We take them very seriously. Most of the principles can be learned on the job, however, we do specifically filter for the following principles in our hiring process: 1. We ship. We ship fast, iterate, and correct mistakes quickly. Our bias for action speeds up our learning and delights our customers. 2. We strive for excellence. Doing things well is in our DNA. We have good taste. We get the details right. Our outputs are exceptionally simple and self-serve. We’re proud of our work. 3. We are hungry. We are willing to work hard and break through walls to achieve the outcomes we want. We are willing to operate at any level to get things done. Is Hercules in-office or remote? Hercules founding team works in-office in San Francisco (Kearny and Bush). We have a very strong preference for in office. We are open to remote for exceptional candidates who is willing to 1) work in US time zones and 2) travel to the office regularly. What are Hercules’ 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 What’s the compensation? $100k-$250k + equity (variable based on seniority, equity, and location)
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