Lead Java Developer

Only on w2 local candidate of Colorado with poses Driving license of CO.Requisition ID : Java Senior EngineerRequisition Name : Java DeveloperEstimated Duration : 12/01/2026 - 06/30/2027Shift 1 : 8:00 AM - 5:00 PMPosition Location : HybridAddress : 1300 Broadway, Suite 1100 Denver , Colorado 80203Candidate Must Be Local Additional Location Details (City, State) : Hybrid, 1 day On-site on Tuesdays. Remote work rest of days. Java Developer ContractorAbout the RoleWe 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 QualificationsStrong 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 QualificationsExperience with Thymeleaf for server-side templating.Hands-on experience with AWS services such as:Amazon ECSAmazon API GatewayAmazon DynamoDBFamiliarity 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 EnvironmentOur current technology stack includes:Java SDK 21Spring Boot / Spring FrameworkThymeleafREST APIsJSONHTML / CSS / JavaScriptAWS, including ECS, API Gateway, and DynamoDBGitLab repositoriesGitLab CI/CD pipelinesTerraformIntelliJ IDEAAI-assisted coding tools, including exploration of Claude CodeIdeal CandidateThe 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 TypeThis is a contractor position. The contractor will work with our development team to deliver application enhancements, new features, integrations, and platform improvements.