Senior Python Backend Engineer

Design, develop, and maintain scalable backend applications using Python and FastAPI

. Build secure and high-performance REST APIs

. Develop database schemas, ORM models, and relational mappings using SQLAlchemy

. Work with PostgreSQL for transactional and analytical workloads

. Implement reusable, modular, and testable code

Databricks & Data Engineering

. Develop and optimize data pipelines using PySpark

. Work with Databricks Jobs and Workflows

. Manage and configure Unity Catalog

. Implement data governance and access control mechanisms

. Collaborate with data engineers and ML teams for large-scale data processing

AWS Cloud & DevOps

. Deploy and manage containerized applications using Amazon ECS

. Build and maintain CI/CD pipelines using GitHub Actions

. Manage Docker images and repositories using Amazon ECR

. Configure API Gateway, ALB, and secure routing mechanisms

. Work with Amazon RDS and S3 for storage and database management

. Monitor application performance and troubleshoot production issues

Collaboration & Best Practices

. Participate in architecture discussions and code reviews

. Follow DevOps and Agile development methodologies

CGI is seeking a highly skilled Senior Python Backend Engineer with strong expertise in FastAPI, Databricks, AWS Cloud Services, and DevOps practices. The ideal candidate will design and develop scalable backend services, build data-driven applications using Databricks and PySpark, and manage cloud-native deployments on AWS.

This role requires hands-on experience in API development, cloud infrastructure, CI/CD automation, and data engineering workflows., 5+ years of experience in Python backend development

. Strong experience with FastAPI

. Hands-on experience with PySpark and Databricks

. Strong knowledge of SQL, PostgreSQL, and relational data modeling

. Experience with SQLAlchemy ORM

. Experience with AWS services (ECS, ECR, API Gateway, RDS, S3, ALB)

. Knowledge of CI/CD frameworks and GitHub Actions

. Understanding of Docker and container orchestration, + Python

• DevOps

• FastAPI

• Amazon Web Services Cloud

• Apache Spark

• Databricks

• SQL

CGI is required by law in some jurisdictions to include a reasonable estimate of the compensation range for this role. The determination of this range includes various factors not limited to skill set, level, experience, relevant training, and licensure and certifications. To support the ability to reward for merit-based performance, CGI typically does not hire individuals at or near the top of the range for their role. Compensation decisions are dependent on the facts and circumstances of each case. A reasonable estimate of the current range for this role in the U.S. is $80,600.00 - $188,100.00.

CGI's benefits are offered to eligible professionals on their first day of employment to include:

. Competitive compensation

. Comprehensive insurance options

. Matching contributions through the 401(k) plan and the share purchase plan

. Paid time off for vacation, holidays, and sick time

. Paid parental leave

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