Senior Java Engineer - Local, AWS, Spring Boot, REST (Contract)

SIDRAM TECHNOLOGIES; Denver (CO); On-site; USD 165,000 - 248,000; Full time

Job summary

CO Judicial is seeking a Java Senior Engineer in Denver, CO. Local candidates only for a W2 or C2C contract (12/01/2026–06/30/2027). Hours are 8:00 AM–5:00 PM MST, Monday–Friday, with a 1300 Broadway address.

Requires 15+ years of experience and USC/H4-EAD/Green Card work authorization. The ideal candidate will handle backend development with Java 21+, Spring Boot, REST APIs, and AWS cloud services including ECS, API Gateway, and DynamoDB, while contributing to Terraform/CI/CD and front-end

Qualifications

• 15+ years of professional Java development experience.
• Java SDK 21 or newer.
• Experience with Spring Boot / Spring Framework.
• REST API development and integration.
• Frontend basics: HTML, CSS, JavaScript.
• GitLab version control and CI/CD pipelines.
• AWS cloud products: ECS, API Gateway, DynamoDB.
• Strong troubleshooting and problem-solving skills.
• Ability to work independently in a contractor environment.

Skills

Java

Java 21+

Spring Boot

REST APIs

JSON

HTML/CSS/JS

GitLab

CI/CD

AWS

ECS

API Gateway

DynamoDB

Cloud experience

Troubleshooting

Independent contractor

Tools

Terraform

IntelliJ IDEA

GitLab CI/CD

Job description

CO Judicial is seeking a Java Senior Engineer in Denver, CO. Local candidates only for a W2 or C2C contract (12/01/2026–06/30/2027). Hours are 8:00 AM–5:00 PM MST, Monday–Friday, with a 1300 Broadway address.

Requires 15+ years of experience and USC/H4-EAD/Green Card work authorization. The ideal candidate will handle backend development with Java 21+, Spring Boot, REST APIs, and AWS cloud services including ECS, API Gateway, and DynamoDB, while contributing to Terraform/CI/CD and front-end