Python Backend & System Design

Job Title

Python Backend & System Design

Location

Toronto, Canada

Job Type

Contract

Job Overview

We are seeking a Senior Platform Engineer with 4–6 years of experience in Python backend development, API design, and system architecture. The ideal candidate will have a strong foundation in software engineering principles and hands‑on experience building scalable, secure, and high‑performance backend systems in a microservices‑based environment.

Reports To

Software Engineering Manager / Director of Software Engineering

Responsibilities

• Design, develop, and deliver high‑quality features and APIs for our core banking platform.
• Own the end‑to‑end delivery of complex features within an agile development team.
• Collaborate with architects and team members to create scalable technical designs and documentation.
• Ensure performance optimization and reliability across distributed systems.
• Write clean, maintainable, and testable code following best practices.
• Participate in code reviews and provide constructive feedback.
• Collaborate cross‑functionally with product and DevOps teams to ensure seamless delivery.
• Mentor junior developers and share technical knowledge within the team.

Qualifications

• 4–6 years of hands‑on experience in Python backend development.
• Strong expertise in RESTful API design, development, and integration.
• Experience with cloud computing platforms (preferably AWS or Azure) and containerized environments using Docker.
• Proficiency in SQL and relational databases (preferably MySQL); solid grasp of RDBMS concepts (transactions, locking, isolation levels).
• Good understanding of microservices architecture and distributed system design.
• Familiarity with message brokers such as RabbitMQ or Kafka.
• Experience with version control systems (GitHub, GitLab) and agile delivery processes.
• Strong problem‑solving, analytical, and debugging skills.
• Excellent communication and collaboration skills.
• Bachelor’s degree in Computer Science, Software Engineering, or equivalent.
• Preference for candidates from top Canadian universities such as University of Waterloo, University of Toronto, or McGill University.

Nice to Have

• Exposure to Payroll Providers or Time & Attendance systems.
• Familiarity with *nix environments.
• Experience with CI/CD pipelines and DevOps practices.

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