Job ID: SB26-149-DEV

Title: Java Developer Contractor

Location: 1300 Broadway, Suite 1100, Denver, Colorado 80203

Duration: 12+ Months

Client: CO Judicial Hybrid

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.

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.

Responsibilities
  • Design, develop, test, and maintain Java‑based applications using Java SDK 21.
  • Build and enhance applications using Spring Boot and the broader Spring Framework.
  • Develop and maintain REST APIs and JSON‑based integrations.
  • Support smaller web applications using Thymeleaf, HTML, CSS, and JavaScript.
  • Work with AWS‑based infrastructure and services, including ECS, API Gateway, and DynamoDB.
  • Contribute to source control and development workflows using GitLab.
  • Build, maintain, and troubleshoot GitLab CI/CD pipelines.
  • Collaborate with team members on application architecture, implementation decisions, code reviews, and deployment practices.
  • Support infrastructure‑as‑code efforts, especially where Terraform is used.
  • Use IntelliJ IDEA as the primary development environment.
  • Apply sound software engineering practices, including maintainable code design, testing, documentation, and operational awareness.
  • Where appropriate, leverage AI‑assisted coding tools to improve development productivity and code quality.

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, and 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
  • 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

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