What are the responsibilities and job description for the Senior Java Developer position at QUANTUM TECHNOLOGIES LLC?
Job Title: Senior Java Developer
Location: Denver, CO (Onsite)
Duration: 12 Months Extension
Bill Rate: $98/hr
Job Type: W2 Contract
Client: To Be Discussed Later
Work Authorization: US-Citizen, H-1B, OPT-EAD, GC-EAD
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
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.
Equal opportunity employer: We are an equal opportunity employer. All aspects of employment including the decision to hire, promote, discipline, or discharge, will be based on merit, competence, performance, and business needs. We do not discriminate on the basis of race, color, religion, marital status, age, national origin, ancestry, physical or mental disability, medical condition, pregnancy, genetic information, gender, sexual orientation, gender identity or expression, national origin, citizenship/ immigration status, veteran status, or any other status protected under federal, state, or local law.
Salary : $100,000 - $140,000