Backend Developer

About Us: Lion Guard Corporation is a fast-paced Security Services company operating across Ontario for 9+ years. We license, train, schedule, and support security professionals. We move quickly, putting our clients and employees first, solving real operational challenges, and ship improvements continuously.

The Role: We are hiring a Backend Engineer to build and maintain the systems behind our licensing, training, workforce scheduling, and payments platforms. You will work across APIs, integrations, background tasks, and deployments, with ownership and autonomy to ship meaningful improvements.

What You'll Work On

•     Build APIs using Python (FastAPI) and MySQL/SQLAlchemy

•     Create background job systems (PDF generation, notifications, government submissions)

•     Integrate external platforms (Stripe, SendGrid, Connecteam, QuickBooks, Bookeo)

•     Deploy and troubleshoot services using Docker

•     Implement AI-powered features (chatbots, automated scheduling, analytics dashboards)

•     Improve performance, reliability, and maintainability in production

Must Have

•     Strong Python backend experience (FastAPI, Flask, or Django)

•     SQL experience (MySQL or PostgreSQL)

•     REST API development + third-party integrations

•     Git workflow / version control

•     Ability to work independently and ship to production

•     Strong problem-solving and self-starter mindset. Nice to Have

•     SQLAlchemy ORM

•     Background job processing (Dramatiq / Celery / RQ)

•     Docker + Redis

•     Pandas or data analytics experience

•     Familiarity with AI/ML APIsTech StackFastAPI
• Python 3.10+
• SQLAlchemy
• MySQL 8.0. Docker
• Redis
• Dramatiq
• Selenium

Job Types: Full-time, Part-time

Pay: $50,000.00-$65,000.00 per year

Expected hours: 30 – 44 per week

Work Location: Hybrid remote in Toronto, ON M5C 2W7