Java Developer :: Denver, CO (Hybrid)

Java Developer - Denver, CO (Hybrid)

Duration: 12 months

Seeking for an experienced Java Developer for designing, developing, and maintaining web applications, backend services, and cloud-based solutions. This role is perfect for someone who thrives in the Java/Spring ecosystem and enjoys building REST APIs, integrating with AWS services, and working in a CI/CD-driven environment.

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 on application architecture, code reviews, and deployment practices.
• Support infrastructure-as-code efforts with Terraform.
• Use IntelliJ IDEA as the primary development environment.
• Apply sound software engineering practices, including code design, testing, and documentation.
• Leverage AI-assisted coding tools to enhance 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 and deliver high-quality work.

Preferred Qualifications:

• Experience with Thymeleaf for server-side templating.
• Hands-on experience with AWS services such as ECS, API Gateway, and 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 like Claude Code, GitHub Copilot, or similar.
• Experience troubleshooting cloud deployments 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