Senior Information Security Architect (AWS)

CGI•Reston, VA

1d•$108,300 - $137,100•Hybrid

About The Position

We are seeking a Senior Python Developer to design, build, and maintain cloud-native applications and backend services within AWS. This role combines strong Python development with hands-on experience in cloud architecture and foundational data engineering. You'll be responsible for developing scalable APIs, building and optimizing data pipelines, and ensuring high-quality, secure, and maintainable code. The position also involves working closely with cross-functional teams, contributing to CI/CD pipelines, and leveraging modern development tools—including AI-assisted coding—to improve productivity and code quality. The ideal candidate is comfortable working in an Agile environment, has a solid grasp of distributed systems, and takes a thoughtful, disciplined approach to software engineering. 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.

Requirements

5+ years of experience in Python development, with at least 3+ years working with AWS
Strong Python development experience, especially for backend services and data processing
Hands-on experience with libraries like Pandas, Boto3, and similar tools
Solid understanding of API development using frameworks such as Flask, Django, or FastAPI
Familiarity with authentication methods like JWT and OAuth2
Experience working with AWS services (Lambda, S3, ECS/Fargate, RDS, Redshift, Glue, etc.)
Ability to design scalable, event-driven or serverless architectures
Working knowledge of data pipelines and ETL processes (Glue, PySpark, or Lambda-based workflows)
Comfortable writing and optimizing SQL queries across relational databases
Experience with Docker and containerized applications
Exposure to CI/CD pipelines and version control tools like GitLab
Familiarity with infrastructure-as-code tools such as Terraform
Practical use of testing frameworks like PyTest for automated testing
Experience using AI-assisted development tools (e.g., GitHub Copilot) responsibly in daily workflows
Basic understanding of distributed systems concepts (retry logic, fault tolerance, etc.)
Strong problem-solving skills and the ability to work through complex systems
Clear communication skills and a collaborative mindset in Agile teams
Bachelor's degree in Computer Science, Information Systems, or a related field

Responsibilities

Design, build, and maintain cloud-native applications and backend services within AWS
Develop scalable APIs
Build and optimize data pipelines
Ensure high-quality, secure, and maintainable code
Work closely with cross-functional teams
Contribute to CI/CD pipelines
Leverage modern development tools—including AI-assisted coding—to improve productivity and code quality