Lead Java Developer

Only on w2 local candidate of Colorado with poses Driving license of CO.

Requisition ID : Java Senior Engineer

Requisition Name : Java Developer

Estimated Duration : 12/01/2026 - 06/30/2027

Shift 1 : 8:00 AM - 5:00 PM

Position Location : Hybrid

Address : 1300 Broadway, Suite 1100 Denver , Colorado 80203

Candidate Must Be Local

Additional Location Details (City, State) : Hybrid, 1 day On-site on Tuesdays. Remote work rest of days.

Java Developer Contractor

About the Role

We are seeking an experienced Java Developer Contractor to support the design, development, and maintenance of web applications, backend services, and cloud-based solutions. This role is ideal for someone who is comfortable working across the Java/Spring ecosystem, building REST APIs, integrating with AWS services, and contributing to modern CI/CD-driven development workflows.

The right candidate will be hands-on, pragmatic, and comfortable working independently while collaborating with technical and business stakeholders.

Required Qualifications

• Strong professional experience developing applications with Java .
• Experience with Java 21 or recent versions of the Java SDK.
• Solid experience with Spring Boot and Spring-based application development.
• Experience designing, building, and consuming REST APIs .
• Strong working knowledge of JSON and API integration patterns.
• Familiarity with front-end technologies including HTML, CSS, and JavaScript .
• Experience using Git-based source control, preferably GitLab .
• Experience working with CI/CD pipelines, preferably GitLab CI/CD .
• Practical experience developing, deploying, or supporting applications in AWS .
• Ability to work independently, communicate clearly, and deliver high-quality work in a contractor capacity.

Preferred Qualifications

• Experience with Thymeleaf for server-side templating.
• Hands-on experience with AWS services such as:
• Amazon ECS
• Amazon API Gateway
• Amazon DynamoDB
• Familiarity with Terraform or other infrastructure-as-code tools.
• Experience using IntelliJ IDEA in a professional development environment.
• Familiarity with AI-assisted development tools such as Claude Code , GitHub Copilot, Cursor, or similar tools.
• Experience troubleshooting cloud deployments, application logs, build pipelines, and environment-related issues.
• Understanding of secure coding practices and cloud application security concepts.

Technical Environment Our current technology stack includes:

• Java SDK 21
• Spring Boot / Spring Framework
• Thymeleaf
• REST APIs
• JSON
• HTML / CSS / JavaScript
• AWS, including ECS, API Gateway, and DynamoDB
• GitLab repositories
• GitLab CI/CD pipelines
• Terraform
• IntelliJ IDEA
• AI-assisted coding tools, including exploration of Claude Code

Ideal Candidate The ideal candidate is a strong Java developer who can move comfortably between backend development, lightweight front-end work, cloud-based deployments, and CI/CD workflows. They should be able to understand existing systems quickly, contribute clean and maintainable code, and work effectively in a modern cloud-oriented development environment. Experience with AWS, GitLab pipelines, Terraform, and AI-assisted coding tools is highly valued.

Engagement Type

This is a contractor position . The contractor will work with our development team to deliver application enhancements, new features, integrations, and platform improvements.