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

Robust 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

Strong communication and problem-solving skills

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

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