HALIFAX, NS, CA
8 days ago
Senior Python Software Developer
Position Description:

We are hiring an experienced Python engineer to build reliable, and scalable systems for financial risk management and MLOps platform for risk modeling. This role is for an engineer who is passionate about operational excellence and clean code. The role is ideal for someone who takes pride in writing robust, fault-tolerant, self-healing code, ensuring system reliability. You’ll work closely with architecture, DevOps, business, and analytics teams to deliver systems that meet enterprise-grade standards for performance, observability, security, and maintainability.

Your future duties and responsibilities:

• Design, develop, deploy, and maintain production-grade Python applications for batch data
processing, APIs, and web applications.
• Ensure robustness and reliability through strong design, exception handling, structured
error recovery, and logging, monitoring, and observability for operational insight into running
systems.
• Manage reproducible environments using virtual environments (e.g., uv, venv, poetry,
pipenv), and packaging to ensure deployment consistency and reproducibility
• Build and maintain CI/CD pipelines with tools such as GitHub Actions, automating build,
test, and deployment workflows.
• Collaborate closely with Business, DevOps, and SRE teams to ensure smooth transitions
from development to production.
• Participate in code reviews, implementing best practices for readability, maintainability, and
performance.
• Contribute to engineering standards, including automated testing, code reviews, templates,
frameworks, toolchains, operational processes, deployment, and technical documentation.
• Develop and distribute reusable Python package.

Required qualifications to be successful in this role:

• 5+ years of professional Python experience developing and deploying backend applications.
• Proven ability to design and implement fault-tolerant error and exception handling strategies.
• Experience with one of the Python web frameworks such as FastAPI, Flask, or Django.
• Hands-on experience with virtual environments and dependency management tools.
• Solid understanding of CI/CD automation (GitHub Actions preferred) and Git-based workflows.
• Background in deploying and running applications on Linux VMs.
• Experience in designing databases (relational and/or NoSQL) and working with HDFS, S3, and API integrations.
• Debugging, troubleshooting, and performance optimization skills.
• Experience in developing and distributing reusable Python packages
• Excellent communication and collaboration skills, with the ability to work effectively with cross-functional teams.

Nice to Have

• Experience deploying, monitoring, and debugging applications in the cloud (e.g., AWS EC2, ECS, Lambda, S3, RDS).
• Experience with asynchronous programming (asyncio, Celery).
• Experience with converting Python code to Cython to improve performance.
• Familiarity with observability platforms (e.g., Prometheus, Grafana, CloudWatch, ELK).
• Experience working on Open-source projects

#LI-OA1

Skills: DjangoGitHubLinuxNoSQLPython What you can expect from us:

Together, as owners, let’s turn meaningful insights into action.

Life at CGI is rooted in ownership, teamwork, respect and belonging. Here, you’ll reach your full potential because…

You are invited to be an owner from day 1 as we work together to bring our Dream to life. That’s why we call ourselves CGI Partners rather than employees. We benefit from our collective success and actively shape our company’s strategy and direction.

Your work creates value. You’ll develop innovative solutions and build relationships with teammates and clients while accessing global capabilities to scale your ideas, embrace new opportunities, and benefit from expansive industry and technology expertise.

You’ll shape your career by joining a company built to grow and last. You’ll be supported by leaders who care about your health and well-being and provide you with opportunities to deepen your skills and broaden your horizons.

At CGI, we value the strength that diversity brings and are committed to fostering a workplace where everyone belongs. We collaborate with our clients to build more inclusive communities and empower all CGI partners to thrive. As an equal-opportunity employer, being able to perform your best during the recruitment process is important to us. If you require an accommodation, please inform your recruiter.

To learn more about accessibility at CGI, contact us via email. Please note that this email is strictly for accessibility requests and cannot be used for application status inquiries.

Come join our team—one of the largest IT and business consulting services firms in the world.

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