CGI has an immediate need for an AWS 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 or Washington, DC. A hybrid working model is acceptable. The AWS Python Developer will support the application team by building and maintaining automated testing frameworks, validating complex financial and analytical models, and ensuring the overall accuracy and reliability of quantitative systems. This role blends hands-on Python development, AWS cloud expertise, and strong testing discipline to evaluate model performance, analyze results, and uphold model governance standards. The engineer will collaborate with developers, modelers, and QA partners to troubleshoot issues, refine automation processes, and strengthen the end-to-end testing environment.