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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Java Developer - Hybrid - **Company:** MSYS Inc. - **Location:** Golden, CO, United States - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** HTML, Java (Programming Language), JavaScript (Programming Language), Artificial Intelligence, Amazon Web Services, Applications Architecture, Cascading Style Sheets (CSS), Software as a Service, Cloud Computing, Software Quality, Code Review, Continuous Integration, Cursor (Graphical User Interface Elements), Amazon DynamoDB, Integrated Development Environments, IntelliJ IDEA, Java Development Kit, Java Web Services, Spring Framework, JSON, Secure Coding, Software Engineering, Web Applications, GitHub Copilot, Delivery Pipeline, Spring-boot, Backend, Gitlab, Git, Gitlab-ci, Infrastructure Automation Frameworks, Information Technology, Front End Software Development, Api Gateway, Restful APIs, Terraform, Software Version Control, Service Stack - **Published:** June 15, 2026 - **Apply:** https://www.dice.com/job-detail/878eaaa4-06b0-4b6f-ab98-88022e617d02 ## About the Role * 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., * 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 ## Description 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., * 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. ## Related Videos - [How a Small Team Shrank a Microsoft Monorepo by 94%](https://www.wearedevelopers.com/videos/1236-how-a-small-team-shrank-a-microsoft-monorepo-by-94) - [Tips and Tricks for Working with JSON](https://www.wearedevelopers.com/videos/1229-tips-and-tricks-for-working-with-json) - [The Resilience of the World Wide Web](https://www.wearedevelopers.com/videos/1281-the-resilience-of-the-world-wide-web) - [Navigating the Future of Junior Developers in Tech](https://www.wearedevelopers.com/videos/1280-navigating-the-future-of-junior-developers-in-tech) - [Git for Code Reviews](https://www.wearedevelopers.com/videos/429-git-for-code-reviews) - [Beam Me Up, Java! 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