Full-Stack Engineer - Mainloop
Core
Own end-to-end production software products for businesses across 15 countries, transforming prototypes into reliable, long-term solutions using AI-native engineering methods.
Role type
Full-Stack Engineer (Product Owner & Architect)
Builds
Production automation software, agent-native products, and internal tooling for professional services.
Domain
Professional services automation, AI-native software engineering, multi-country enterprise systems.
Deliverable
production ML models | product features
Required skills
Full-stack development, system architecture, AI agent orchestration, code review and quality judgment, product ownership, test strategy (unit, smoke, E2E), specification design.
Preferred skills
Experience with coding agents (Claude Code, Cursor, Codex), building with AI from scratch, navigating large codebases, strategic decision-making.
Technologies
Claude Code, Cursor, Codex, Playwright, CI/CD pipelines, AI model gateways.
Responsibilities
Take ownership of existing products and drive their evolution; design system architecture and specifications for AI agents to implement; review and validate AI-generated code for correctness; ship products with 100% test coverage and evaluation metrics; collaborate with Product Owners to translate business needs into technical specs.
Seniority
Mid-to-Senior (explicitly hiring for 1 Senior seat and 4 Junior seats)