Staff Full-Stack Engineer for AI SaaS Platform

Hercules; United States; On-site; USD 100,000 - 300,000; 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 


We guarantee you will do the best work

Job summary

Hercules is seeking a senior or staff level full-stack software engineer to help us build the future of AI software development. You will own features across the company stack, from AI Agent to hosting infrastructure and SDK integrations.

Ideal candidates are exceptionally strong across system design, API design, and SaaS features, with a track record of shipping features to customers at scale. We value ownership, excellence, and a bias for action.

Qualifications

• Strong fundamentals in software design, architecture, data modelling and API design.
• Ability to write clean, maintainable code and work effectively in monorepos.
• Proven track record shipping features to customers independently.
• Experience with SaaS features (billing, entitlements, identity, analytics, i18n, notifications) for large user bases.

Responsibilities

• Build and own features across Hercules including AI Agent, App Builder, hosting infrastructure, SDK, Platform, and internal AI coding harness.
• Collaborate across teams to deliver scalable, reliable software.
• Ensure code quality and maintainability across the stack.

Skills

TypeScript

React

Containers

Postgres

Redis

Temporal

Architecture

API design

Monorepo work

SaaS concepts

Tools

OpenAI integration

OAuth

RBAC

SAML

Job description

Hercules is seeking a senior or staff level full-stack software engineer to help us build the future of AI software development. You will own features across the company stack, from AI Agent to hosting infrastructure and SDK integrations.

Ideal candidates are exceptionally strong across system design, API design, and SaaS features, with a track record of shipping features to customers at scale. We value ownership, excellence, and a bias for action.