Java Developer

KellyMitchell Group; Englewood (CO); Hybrid; USD 85,000 - 122,000; Full time

Benefits offered by this job

Medical, Dental, & Vision Insurance

Employee‑Owned Profit Sharing (ESOP)

401K offered

Job summary

KellyMitchell Group is seeking an experienced Software Developer III in Englewood, CO, to design, develop, test, and maintain enterprise Java applications. The role emphasizes JDK 21, Spring Boot, RESTful APIs, and Kubernetes, with a strong focus on scalable, reliable software and collaboration with engineering teams.

The position is hybrid (4 days onsite) with a pay range of $85,000 to $121,500 annually, and includes medical/dental/vision, ESOP, and 401(k). W-2 only, no C2C.

Qualifications

• 7+ years of professional software development experience.
• Strong proficiency in Java, specifically JDK 21.
• Hands-on experience with the Spring Boot framework.
• Experience developing RESTful web services and APIs.
• Experience with relational or NoSQL databases (MySQL, MongoDB, PostgreSQL).
• Experience deploying Spring Boot applications to Kubernetes.
• Familiarity with Helm deployments.

Responsibilities

• Design, develop, configure, test, debug, and maintain software applications using Java.
• Build and maintain applications using Java JDK 21 and the Spring Boot framework.
• Develop and maintain RESTful web services and APIs.
• Contribute to technical design specifications based on business requirements.
• Review designs and specifications for quality and consistency.
• Deploy and support Spring Boot apps in Kubernetes environments.
• Collaborate with teams to troubleshoot issues and deliver solutions.
• Participate in architecture discussions, design reviews, and code reviews.
• Develop and maintain technical and operational documentation.

Skills

Java

Spring Boot

RESTful APIs

Kubernetes

JDK 21

MySQL

Tools

Helm

Job description

Job Summary

Our client, a major communication services provider, is seeking a highly experienced Software Developer III to design, develop, test, and maintain enterprise applications. This role is focused on Java development, with an emphasis on building reliable, scalable applications and contributing to technical design and architecture decisions. The ideal candidate is a seasoned Java developer who can quickly jump into an existing environment, contribute to development efforts, and collaborate with other engineers to deliver high-quality software.

This position is W-2 only. We do not work with third-party firms or C2C arrangements for this role.

Core Responsibilities

• Design, develop, configure, test, debug, and maintain software applications using Java
• Build and maintain applications using Java JDK 21 and the Spring Boot framework
• Develop and maintain RESTful web services and APIs
• Contribute to technical design specifications based on business and functional requirements
• Review functional requirements, technical designs, and application specifications to ensure quality and consistency
• Deploy and support Spring Boot applications in Kubernetes environments
• Collaborate with development teams and stakeholders to troubleshoot issues and deliver effective solutions
• Participate in architecture discussions, design reviews, and code reviews
• Develop and maintain technical and operational documentation
• Apply established software development lifecycle practices and programming standards

Required Skills/Experience (Must-Haves)

• 7+ years of professional software development experience
• Strong proficiency in Java, specifically JDK 21
• Hands‑on experience with the Spring Boot framework
• Experience developing RESTful web services and APIs
• Experience with relational or NoSQL databases such as MySQL, MongoDB, or PostgreSQL
• Experience deploying Spring Boot applications to Kubernetes
• Familiarity with Helm deployments
• Experience working with messaging systems such as Apache Kafka
• Strong understanding of software development principles, methodologies, and best practices
• Excellent problem‑solving, analytical, and troubleshooting skills
• Strong communication and collaboration skills, with the ability to work effectively across development teams and stakeholders

Preferred Skills/Experience (Nice‑to‑Haves)

• Experience with Camunda and BPMN (Business Process Model and Notation)
• Experience with workflow automation or business process orchestration
• Experience contributing to technical architecture and design decisions
• Ability to quickly ramp up in an existing development environment and contribute to active projects

Key Competencies & Behaviors

• Code Review
• Discipline
• Documentation Excellence
• SDLC Best Practices
• Analytical Troubleshooting Skills
• Cross‑Functional Communication
• Continuous Improvement Mindset
• Stakeholder Partnership
• Strong Ownership & Accountability

Location

Englewood CO

Work Model

Hybrid – 4 days onsite

Compensation & Benefits

Pay Range: The approximate pay range for this position is between $85,000 and $121,500. Please note that the pay range provided is a good faith estimate. Final compensation may vary based on factors including but not limited to background, knowledge, skills, and location. We comply with local wage minimums.

• Medical, Dental, & Vision Insurance Plans
• Employee‑Owned Profit Sharing (ESOP)
• 401K offered

About KellyMitchell

At KellyMitchell, our culture is world class. We're movers and shakers! We don't mind a bit of friendly competition, and we reward hard work with unlimited potential for growth. This is an exciting opportunity to join a company known for innovative solutions and unsurpassed customer service. We're passionate about helping companies solve their biggest IT staffing & project solutions challenges. As an employee‑owned, women‑led organization serving Fortune 500 companies nationwide, we deliver expert service at a moment's notice.