Senior Python Developer

U.S. - Finding purpose at CGI

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Position Description:

CGI has an immediate need for a Senior Python Developer to join our team. This is an exciting opportunity to work in a fast-paced team environment supporting one of the largest customers. We take an innovative approach to supporting our client, working side-by-side in an agile environment using emerging technologies.
We partner with 15 of the top 20 banks globally, and our top 10 banking clients have worked with us for an average of 26 years!

This role is located at a client site in Reston, VA. A hybrid working model is acceptable.

Your future duties and responsibilities:

We are seeking a Senior Python Developer to design and build scalable cloud-native applications and backend services within an AWS environment. This role focuses on developing high-quality Python-based services, building data pipelines, and integrating APIs while working across both backend and frontend layers when needed.
The ideal candidate will collaborate closely with engineering teams to develop secure, reliable, and maintainable systems. Responsibilities include building RESTful APIs, developing data pipelines, contributing to CI/CD pipelines, and supporting cloud-based infrastructure. The role also involves using modern development tools-including AI-assisted coding platforms-to improve productivity, testing, and code quality.
Candidates should be comfortable working in an Agile environment and able to contribute across the full development lifecycle, from requirements gathering to development, testing, and deployment.

Required qualifications to be successful in this role:

. 6+ years of Python development experience for backend services and application logic
. Experience building REST APIs using frameworks such as Flask, Django, or FastAPI
. Solid understanding of clean code principles, error handling, and maintainable software design
. Experience working with Python libraries such as Pandas and Boto3
. Hands-on experience with AWS services such as Lambda, S3, EC2, ECS/Fargate, RDS, Redshift, Glue, Step Functions, and CloudWatch
. Ability to design event-driven and serverless architectures
. Familiarity with monitoring, logging, and operational observability in cloud environments
. Experience building or maintaining ETL pipelines using tools such as AWS Glue, PySpark, or Lambda
. Strong SQL skills and experience working with relational databases (Postgres, Aurora, MySQL, or SQL Server)
. Understanding of data modeling, schema evolution, and query optimization
. Experience working with data stored in S3 and formats such as Parquet or JSON
. Experience with Git-based version control and CI/CD pipelines (GitLab preferred)
. Infrastructure as Code experience using Terraform or similar tools
. Familiarity with containerization using Docker
. Experience using shell scripting and AWS CLI for automation
. Working knowledge of Agile development tools such as Jira and Confluence
. Experience with automated testing frameworks such as PyTest
. Ability to build unit tests, integration tests, and test automation pipelines
. Familiarity with tools like GitHub Copilot or similar AI-assisted coding platforms
. Ability to use AI tools responsibly to support development, testing, documentation, and code quality improvements
. Front-End (Preferred) Basic experience with Angular for UI development and API integration Ability to read and make minor updates to front-end components when needed
. Strong analytical and problem-solving skills
. Ability to communicate effectively with technical and non-technical stakeholders
. Comfortable working in collaborative Agile teams
. Ability to understand and improve existing codebases while maintaining documentation and quality standards

Education:
Bachelor's degree in Computer Science, Software Engineering, Information Technology, or a related technical field

#DICE
#LI-MA6

Other Information:
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 $95,800.00 - $136,400.00.
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
.Learning opportunities and tuition assistance
. Wellness and Well-being programs

Skills:

• ETL
• GitHub
• Python
• RESTful (Rest-APIs)
• SQL

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.

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

Qualified applicants will receive consideration for employment without regard to their race, ethnicity, ancestry, color, sex, religion, creed, age, national origin, citizenship status, disability, pregnancy, medical condition, military and veteran status, marital status, sexual orientation or perceived sexual orientation, gender, gender identity, and gender expression, familial status or responsibilities, reproductive health decisions, political affiliation, genetic information, height, weight, or any other legally protected status or characteristics to the extent required by applicable federal, state, and/or local laws where we do business.

CGI provides reasonable accommodations to qualified individuals with disabilities. If you need an accommodation to apply for a job in the U.S., please email the CGI U.S. Employment Compliance mailbox at . You will need to reference the Position ID of the position in which you are interested. Your message will be routed to the appropriate recruiter who will assist you. Please note, this email address is only to be used for those individuals who need an accommodation to apply for a job. Emails for any other reason or those that do not include a Position ID will not be returned.

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All CGI offers of employment in the U.S. are contingent upon the ability to successfully complete a background investigation. Background investigation components can vary dependent upon specific assignment and/or level of US government security clearance held. Dependent upon role and/or federal government security clearance requirements, and in accordance with applicable laws, some background investigations may include a credit check. CGI will consider for employment qualified applicants with arrests and conviction records in accordance with all local regulations and ordinances.

CGI will not discharge or in any other manner discriminate against employees or applicants because they have inquired about, discussed, or disclosed their own pay or the pay of another employee or applicant. However, employees who have access to the compensation information of other employees or applicants as a part of their essential job functions cannot disclose the pay of other employees or applicants to individuals who do not otherwise have access to compensation information, unless the disclosure is (a) in response to a formal complaint or charge, (b) in furtherance of an investigation, proceeding, hearing, or action, including an investigation conducted by the employer, or (c) consistent with CGI's legal duty to furnish information.