Senior Full Stack Developer

CGI•Reston, VA

14h•Hybrid

About The Position

We are seeking a Senior Full Stack Developer to support enterprise financial services applications in a cloud-first AWS environment. This role will focus on designing, developing, and maintaining scalable full stack solutions using modern back-end technologies, data engineering tools, and front-end frameworks. 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 either Reston, VA. A hybrid working model is acceptable. CGI is seeking a Senior Full Stack Developer to support enterprise financial services applications in a cloud-first AWS environment. This role will focus on designing, developing, and maintaining scalable full stack solutions using modern back-end technologies, data engineering tools, and front-end frameworks. The ideal candidate will have strong experience building RESTful APIs, developing data-driven applications, and working across both UI and server-side technologies. The role involves collaborating with cross-functional teams to deliver secure, high-performing applications while supporting CI/CD pipelines, cloud deployments, and database integrations. This position requires hands-on expertise with Python, PySpark, Java Spring Boot, Angular, and AWS services, along with strong analytical and communication skills. Candidates should be comfortable working independently, contributing to architecture discussions, and supporting enterprise-scale application modernization initiatives.

Requirements

5+ years of experience in Full Stack Development
Strong hands-on development experience with Python, PySpark, and Java Spring Boot
Solid understanding of full stack application development using Angular and modern UI frameworks
Experience designing and consuming REST APIs and web services
Proficiency with AWS services for application development, deployment, and support
Strong SQL and database experience with Redshift, PostgreSQL, and Oracle
Experience with CI/CD tools such as Jenkins and GitLab
Familiarity with build and dependency management tools including Maven, Gradle, and Nexus
Strong front-end development skills using HTML, CSS, JavaScript, and TypeScript
Ability to troubleshoot complex technical issues and optimize application performance
Experience working in Agile delivery environments and collaborating with distributed teams
Bachelor's degree in Computer Science, Information Systems, or a related field.

Nice To Haves

Exposure to GitHub Copilot or other GenAI-assisted development tools is a plus
Working knowledge of R is preferred

Responsibilities

Designing, developing, and maintaining scalable full stack solutions using modern back-end technologies, data engineering tools, and front-end frameworks.
Building RESTful APIs.
Developing data-driven applications.
Working across both UI and server-side technologies.
Collaborating with cross-functional teams to deliver secure, high-performing applications.
Supporting CI/CD pipelines, cloud deployments, and database integrations.
Contributing to architecture discussions.
Supporting enterprise-scale application modernization initiatives.