Senior AWS Java/Python Full-Stack Developer (Spring Boot)

System One, Inc.; Pittsburgh (Allegheny County); Hybrid; USD 120,000 - 170,000; Full time

Job summary

System One, Inc. seeks an AWS Java Full Stack Developer with Python to support modernization and enterprise applications within a large financial services environment. This is a hands-on role requiring strong Java/Python, AWS, REST APIs, Spring Boot, and cloud troubleshooting capabilities.

The position is hybrid, with collaboration across development, QA, DevOps, and product teams. You will participate in Agile/Scrum ceremonies and contribute to testing, CI/CD, monitoring, and remediation of

Qualifications

• 5+ years of software development using Java and/or Python.
• 5+ years of application upgrades, migrations, and modernization.
• 5+ years of hands-on AWS experience (EC2, ECS, RDS, ALB, SSM, SQS, SNS, Lambda).
• 3+ years of REST API development.
• Strong Spring/Spring Boot experience.
• Experience troubleshooting AWS deployments and cloud/app issues.

Responsibilities

• Develop, enhance, and support enterprise applications using Java and/or Python.
• Support upgrades, migrations, and modernization initiatives.
• Develop and maintain REST APIs using Spring/Spring Boot.
• Troubleshoot AWS deployments, configurations, security policies, and logs.
• Support secure and reliable production applications.
• Collaborate with development, QA, DevOps, and product teams.
• Participate in Agile/Scrum activities.
• Support testing, CI/CD, monitoring, and vulnerability remediation.
• Troubleshoot complex application and AWS issues.

Skills

Java/Python

AWS

REST APIs

Spring Boot

Agile/Scrum

Education

Bachelor's degree in Computer Science or related field

Tools

EC2

ECS

RDS

ALB

SSM

SQS

SNS

Lambda

Git

Jenkins

Jira

IntelliJ

Tomcat

J2EE

Cucumber

Karate

Job description

System One, Inc. seeks an AWS Java Full Stack Developer with Python to support modernization and enterprise applications within a large financial services environment. This is a hands-on role requiring strong Java/Python, AWS, REST APIs, Spring Boot, and cloud troubleshooting capabilities.

The position is hybrid, with collaboration across development, QA, DevOps, and product teams. You will participate in Agile/Scrum ceremonies and contribute to testing, CI/CD, monitoring, and remediation of