Overview

About the product: A Saas platform for beauty and welness service industry. The web version is live and currently in real-user pilot testing. We are continuing to improve Web, Backend, and AI features, and will gradually expand to mobile.

Responsibilities
Contribute to core product development across Web, Backend, and AI features.
Build backend, automation, data-processing, and AI features in Python.
Integrate and refine AI capabilities — LLM API integration, chat / voice systems, workflow automation.
Collaborate with the existing engineering team to improve features, stability, and UX.
Iterate quickly based on real user feedback.

Must-have
3+ years of full-stack experience, with at least one production product shipped end-to-end.
Solid Python 3 + Django (4.x) with real project experience.
Proficient with TypeScript + Next.js / React.
PostgreSQL schema design and hands-on usage.
REST API design and basic system architecture.
Production experience integrating LLM APIs — not just demos.
Comfortable with Git / PR / CI workflows.
Values testing — uses pytest (or equivalent) to write tests that catch real bugs.




Self-driven; can move work forward when requirements are not fully spec’d.

Nice-to-have
Third-party integrations: payments (Stripe), voice / SMS (Twilio).
Voice AI pipeline experience (STT / LLM / TTS).
GCP + Terraform (Infrastructure as Code).
Comfortable on Linux / Ubuntu — SSH, reading logs, debugging systemd services.
Android / iOS development experience.
Early-stage startup experience.

Work arrangement
Initially remote-first.
Will transition to in office / hybrid once the project stabilizes — GTA preferred.
Direct collaboration with the core team on product and technical decisions.

Ideal candidate
Writes code and understands product logic.
Understands real-world AI implementation — not just the buzzwords.
Can drive development when requirements are still evolving.
Bonus: early-stage or rapid-iteration project experience.

Pay: $2,600.00-$4,600.00 per month

Advantages
Flexible schedule
Profit sharing
Stock options

Work Location: Remote

📌 Backend Focused Full Stack Developer Greater Toronto Area
🏢 COSReady
📍 Greater Toronto Area