CGI has an immediate need for a Senior Python Developer (AWS) 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. We are seeking a Senior Python Developer with strong AWS expertise to support the development and maintenance of enterprise-grade financial software applications. In this role, you will work closely with finance and technology stakeholders to design, build, test, and enhance scalable data-driven solutions in the cloud. The ideal candidate brings deep experience in Python development, AWS services, and API-driven architectures, along with a solid understanding of data processing and database interactions. You will be involved throughout the full software development lifecycle, from requirements gathering and design through testing, deployment, and ongoing optimization. Strong collaboration and communication skills are essential, as this role partners with internal teams and external vendors. This position follows a hybrid work model, with three days onsite in Reston, VA, and two days remote.