Backend Focused Full-Stack Developer (Greater Toronto Area)

Backend Focused Full-Stack Developer (Greater Toronto Area)

04 Aug
|
COSReady
|
Greater Toronto Area

04 Aug

COSReady

Greater Toronto Area

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 on-site / 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

Benefits

- Flexible schedule

- Profit sharing

- Stock options

Work Location: Remote

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

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