Sr. Java Developer
Apollo ITS
Title: Sr. Java Developer
Location: Denver, CO/ Hybrid
Duration: 12+ Months Job Description:
Location: Denver, CO/ Hybrid
Duration: 12+ Months Job Description:
- 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.
- 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.
- 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.
- 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
Vacancy posted 3 days ago
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