We're looking for a Senior Backend Python Developer to join a high-performing engineering team building secure, scalable, and high-performance solutions within a core banking platform.

The ideal candidate will have strong experience in Python, microservices, distributed systems, REST APIs, SQL/MySQL, messaging, and system design, with a proven ability to own large initiatives end-to-end.

5+ years of Software Development experience

RDBMS concepts – Transactions, Isolation Levels, Locking & Deadlocks

RabbitMQ or similar Message Brokers

Docker / Containerized Applications

Strong System Design & Technical Design experience

Nice to Have

- Cloud experience – AWS, Azure, or GCP
- Payroll Provider integrations
- Experience working on high-volume transaction processing systems

What You'll Do

- Design and develop scalable backend services and microservices
- Develop and maintain RESTful APIs




- Own large initiatives from technical design through production delivery
- Create technical design specifications and contribute to architecture decisions
- Optimize application performance to meet SLAs
- Participate in sprint planning, estimation, and technical discussions
- Conduct code reviews and promote engineering best practices
- Mentor junior engineers and collaborate with cross-functional teams

Bachelor's or Master's degree in Computer Science, Software Engineering, or a related field

Degree must be from a Canadian or US university

5+ years of professional software development experience

Solid communication and problem-solving skills

Ability to independently own features and projects end-to-end

📌 Senior Backend Python Developer (Toronto)
🏢 Apexon
📍 Toronto