Senior Python Backend Developer

Role Description

Embark on an exciting journey into the realm of software development with 3Pillar! We extend an invitation for you to join our team and gear up for a thrilling adventure. As a Software Engineer, you'll play a vital role in our dynamic team, contributing to exciting projects that redefine urban living, establish new media channels for enterprise companies, or drive innovation in healthcare.

• Craft client code that is not just efficient but also performant, testable, scalable, secure, and of the highest quality.
• Ensure code is secure through Software Composition Analysis (SCA), and drive remediation through triaging, prioritization, remediation and verification.
• Provide accurate status tracking, reporting, and estimation using project methods and tools.
• Gather requirements, validate their understanding amongst the team, and create and maintain relevant documentation.
• Execute activities within the current methodology and uphold the highest quality standards.
• Foster collaboration with fellow engineers, designers, and managers to comprehend user pain points and iterate on solutions that drive client success.
• Take ownership of projects, from technical design to a successful launch.
• Participate in code reviews to maintain code quality and consistency.

Qualifications

• Demonstrated expertise with at least 8+ years of experience in Python, REST API and SQL.
• Expertise with Git source control tools (Github, Gitlab or others).
• Experience with unit testing (Pytest).
• Intermediate level design proficiency following UML / C4 / ArchiMate.
• Experience in engineering software systems of medium-to-large scope and complexity.
• Familiarity with Agile software development methodologies.
• Proficiency with relational databases.
• Experience in building frontend/backend applications at scale.
• Proficiency in the English language.

Requirements

• Knowledge of Python web frameworks (Flask or others).
• Knowledge of workflow orchestration platforms (Apache Airflow, Automic Automation or others).
• Knowledge of Python package management (UV, Conda or others).
• Knowledge of protocols like and serialization formats like JSON and XML.
• Knowledge of SCA platforms (Github Advanced Security, Snyk, Checkmarx or others).
• Understanding of AI coding agents (Claude Code, Copilot, Cursor or others).
• Understanding of Software Development Life Cycle (SDLC).
• Proficiency in Object-Oriented Programming (inheritance, polymorphism, classes, instances, properties).

Benefits

• Medical & dental insurance - with employee contributions.
• LTD, Life & AD&D insurance - employee paid.
• Paid time off.
• 10 Paid Holidays.
• RRSP with Employer Matching.
• Flexible work policy.