Senior AWS Full Stack Software Engineer

System One; Pittsburgh (Allegheny County); On-site; USD 140,000 - 180,000; Full time

Job summary

System One is seeking a Senior AWS Full Stack Software Engineer in the United States to design, develop, and modernize enterprise applications within a large-scale, AWS-focused financial services environment. This hands-on role encompasses backend services, web apps, cloud infrastructure, databases, automated testing, CI/CD, and production support.

The engineer will primarily work with Java, Python, Spring Boot, Angular, TypeScript, and AWS, building APIs, microservices, batch processes, and

Qualifications

• 5+ years of hands-on Java development experience, preferably with Spring Boot/Spring MVC/Spring Batch.
• 5+ years of AWS experience with ECS, Lambda, RDS, Aurora PostgreSQL, SQS, and SNS.
• Full stack development experience with Angular and TypeScript.
• Experience developing REST APIs, microservices, and enterprise integrations.
• Proficiency with Python for automation or support services.
• Strong relational database experience with PostgreSQL/Aurora and Oracle/RDS.
• Experience building CI/CD pipelines with Jenkins, GitHub Actions, GitLab CI/CD, Maven, or Gradle.
• Hands-on experience with Docker and containerized deployments (ECS/Kubernetes).
• Infrastructure as Code experience with Terraform and/or CloudFormation.
• Experience with enterprise app servers (JBoss/WildFly).
• Security-minded coding, dependency management, and CI/CD security scanning.
• Automated testing using JUnit, Mockito, Karate, Selenium, Playwright.
• Familiar with AI-assisted development tools and enterprise security considerations.
• Strong communication and collaboration across cross-functional teams.

Responsibilities

• Develop, enhance, and support enterprise applications using Java, Python, Spring Boot, Angular, and TypeScript.
• Build and maintain AWS-based applications using ECS, Lambda, RDS, Aurora PostgreSQL, SQS, and SNS.
• Develop REST APIs, microservices, batch processes, and enterprise integrations.
• Work with Oracle and PostgreSQL databases including query optimization.
• Maintain applications on JBoss/WildFly and container platforms.
• Build and maintain CI/CD pipelines with automated builds, testing, deployments.
• Utilize Docker, Kubernetes, Terraform, and CloudFormation for deployment and automation.
• Address vulnerabilities, outdated dependencies, and code quality issues.
• Develop automated unit, integration, API, and UI tests (JUnit, Mockito, Karate, Selenium, Playwright).
• Troubleshoot production issues across services and cloud infrastructure.
• Apply specification-driven development to translate requirements into plans.
• Collaborate with product, QA, security, and DevOps teams in Agile delivery.
• Leverage AI-assisted tools responsibly for coding, testing, and documentation.

Skills

Java

Spring Boot

AWS

Angular

TypeScript

REST APIs

Python

CI/CD

Docker

Kubernetes

SQL

Education

Bachelor's degree in Computer Science or related field

Tools

Jenkins

GitHub Actions

GitLab CI/CD

Maven/Gradle

Terraform

CloudFormation

Oracle

PostgreSQL

Job description

Job Title: Senior AWS Full Stack Software Engineer

Location: Knoxville, TN, Columbia SC or Lafayette, LA or Birmingham, AL

Description:

Senior AWS Full Stack Software Engineer to develop, modernize, and support enterprise applications within a large scale, AWS focused financial services environment. This is a hands-on engineering role working across backend services, web applications, cloud infrastructure, databases, automated testing, CI/CD, and production support. The engineer will work primarily with Java, Python, Spring Boot, Angular, TypeScript, and AWS, developing APIs, microservices, batch applications, integrations, and user-facing application components.

Your future duties and responsibilities

CGI is seeking a Senior AWS Full Stack Software Engineer to develop, modernize, and support enterprise applications within a large scale, AWS focused financial services environment. This is a hands-on engineering role working across backend services, web applications, cloud infrastructure, databases, automated testing, CI/CD, and production support. The engineer will work primarily with Java, Python, Spring Boot, Angular, TypeScript, and AWS, developing APIs, microservices, batch applications, integrations, and user-facing application components.

Key responsibilities

• . Develop, enhance, and support enterprise applications using Java, Python, Spring Boot, Angular, and TypeScript.
• . Build and maintain AWS based applications using services such as ECS, Lambda, RDS, Aurora PostgreSQL, SQS, and SNS.
• . Develop REST APIs, microservices, batch processes, enterprise integrations, and frontend components.
• . Work with Oracle and PostgreSQL databases, including query optimization, troubleshooting, and data integration.
• . Maintain and troubleshoot applications running on JBoss/WildFly and container-based platforms.
• . Build and maintain CI/CD pipelines supporting automated builds, testing, security scanning, deployments, and releases.
• . Use Docker, Kubernetes/ECS, Terraform, CloudFormation, and related DevOps tooling to support application delivery and environment automation.
• . Identify and remediate application vulnerabilities, outdated dependencies, code quality issues, and technical debt.
• . Develop automated unit, integration, API, and UI tests using tools such as JUnit, Mockito, Karate, Selenium, and Playwright.
• . Troubleshoot production issues across applications, APIs, AWS services, databases, messaging, and CI/CD pipelines.
• . Apply specification driven development practices to translate business and technical requirements into implementation and testing plans.
• . Use AI assisted development tools responsibly for coding, testing, documentation, troubleshooting, and engineering productivity while validating outputs for security and accuracy.
• . Collaborate with product, QA, security, DevOps, infrastructure, and other engineering teams in an Agile delivery environment.

Required qualifications to be successful in this role

• . 5+ years of hands-on Java development experience, preferably with Spring Boot, Spring MVC, and/or Spring Batch.
• . 5+ years of AWS experience with services such as ECS, Lambda, RDS, Aurora PostgreSQL, SQS, and SNS.
• . Full stack development experience with Angular and TypeScript.
• . Experience developing REST APIs, microservices, batch applications, and enterprise integrations.
• . Working proficiency with Python for application development, automation, or supporting services.
• . Strong relational database experience with PostgreSQL/Aurora PostgreSQL and Oracle/Oracle RDS, including SQL troubleshooting and performance optimization.
• . Experience building and supporting CI/CD pipelines using Jenkins, GitLab CI/CD, GitHub Actions, Maven, Gradle, or comparable tooling.
• . Hands on experience with Docker and containerized deployments, including AWS ECS and/or Kubernetes.
• . Experience with Infrastructure as Code, preferably Terraform and/or AWS CloudFormation.
• . Experience deploying, configuring, and troubleshooting applications on JBoss/WildFly or similar enterprise application servers.
• . Understanding of secure coding, vulnerability remediation, dependency management, and security scanning within CI/CD pipelines.
• . Automated testing experience using JUnit, Mockito, Karate, Selenium, Playwright, or comparable frameworks.
• . Experience troubleshooting distributed applications across cloud services, APIs, databases, messaging platforms, and application infrastructure.
• . Familiarity with specification driven development and translating requirements into technical specifications, test scenarios, and implementation plans.
• . Practical experience using AI assisted software development tools, with an understanding of enterprise security, privacy, and code validation requirements.
• . Strong communication and problem-solving skills with the ability to work across engineering, QA, security, DevOps, infrastructure, and business teams.

Education

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

#M- #LI- Ref: #404-IT Pittsburgh