Location: Austin ideal, but remote ok

Company: Little Engine — AI-powered back office for solo service providers

Type: Full-time

Level: Senior / Founding Engineer

Compensation: $150,000-$200,000 with up to 1.5% of the business

Start Date: ASAP

About Little Engine

Little Engine is building the AI-native back office for solo service providers — personal trainers, stylists, tutors, massage therapists, dog walkers, and more. Our mobile app automates scheduling, payments, and client communication — entirely over SMS — replacing a mess of Venmo, Notepad, and texting with a clean, intelligent assistant that works behind the scenes.

We just closed a multi-million dollar pre-seed.

The team includes repeat founders who’ve built and sold award-winning apps — including one of Apple’s Best Apps of the Year.

The Role

We’re hiring a zero-to-one backend engineer who’s equal parts architect, builder, and AI systems thinker — someone who can design elegant infrastructure, ship real-time product features, and push the boundaries of agentic intelligence.

You’ll lead development on the core backend infrastructure that powers:

• Multi-agent orchestration (user agents, client agents, task flows)
• Contextual memory management (long-term + ephemeral)
• In-product AI experiences that are fast, resilient, and feel magical
• Secure and scalable systems built on top of FastAPI + Postgres
• Integration of external APIs: Twilio (SMS), Stripe, Google Calendar, etc.