Java Software Engineer (Denver)

We are seeking a Mid-Level Full Stack Software Engineer with strong expertise in backend Java and Spring Boot development . This engineer will contribute to designing, building, enhancing, and maintaining internal applications and services.

This role operates entirely on-premise (no cloud environment) , and works closely with cross-functional technical teams to deliver secure, reliable, and scalable software solutions. Experience with CI / CD pipelines is a strong plus but not a requirement.

Responsibilities

• Back-End Development
• Design, develop, and maintain backend services using Java , Spring Boot , and related frameworks.
• Implement RESTful APIs, integrations, and data processing logic.
• Optimize application performance, reliability, and scalability.
• Write clean, maintainable, well-documented code aligned with internal standards.
• Full Stack Contributions
• Support and maintain front-end components (React, Angular, or similar), including UI enhancements and bug fixes.
• Collaborate with UI / UX designers to support modern, user-friendly interfaces.
• Systems & Collaboration
• Operate within an on-prem environment (no cloud deployment).
• Work closely with product owners, business analysts, QA engineers, and other developers throughout the SDLC.
• Participate in code reviews, requirement discussions, and architectural design sessions.
• Assist in troubleshooting, debugging, and resolving production issues.
• DevOps (Nice to Have)
• Contribute to or utilize CI / CD pipelines for automated builds, testing, and deployments.
• Work with tools such as Jenkins, GitLab CI, Bamboo, or similar on-prem pipeline tools (optional).
• Required Qualifications
• Bachelors degree in Computer Science, Engineering, or related technical field (or equivalent experience).
• 35 years of professional software engineering experience.
• Strong proficiency with :
• Java
• Spring Boot / Spring Framework
• REST API development
• Experience with relational databases (PostgreSQL, Oracle, MySQL, etc.).

Solid understanding of source-control systems (Git preferred).

Ability to work in on-premise environments with traditional deployment models.

Strong analytical, problem-solving, and communication skills.

Preferred / Nice-to-Have

• Experience with CI / CD pipelines (Jenkins, GitLab, Bamboo, TeamCity, etc.).
• Basic front-end experience (React, Angular, Vue, or vanilla JavaScript).
• Experience working within regulated or highly secure software environments.
• Familiarity with message queues, integration patterns, or on-prem enterprise systems.