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Java Engineer Jobs in Colorado (NOW HIRING)

Spartan X Corp

Java Developer

Denver, CO · On-site

$60/hr

About the Role 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 ...

Cymertek

Software Engineer (Java, AWS, Linux)

Aurora, CO · On-site

$52.75 - $72.25/hr

Software Engineer (Java, AWS, Linux) LOCATION Aurora, CO 80014 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY We are seeking a highly skilled and ...

Hirekeyz Inc

Full Stack Java Developer

Denver, CO · On-site

$54 - $69.75/hr

Full Stack Java Developer Location: Denver, CO & Nashville, TN (Onsite) Duraction: Long Term Contract Job Overview We are seeking a skilled Full Stack Java Developer . The ideal candidate will have ...

Cymertek

Java / C / AWS Software Engineer

Aurora, CO · On-site

$52.75 - $72.25/hr

Java / C / AWS Software Engineer LOCATION Aurora, CO 80014 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY We are seeking a versatile and innovative ...

GARGI TECHNOLOGIES INC

FullStack Java Developer

Denver, CO · On-site

$54 - $69.75/hr

Software Engineer / Java Developer Key Responsibilities: • Design, develop, test, and maintain scalable Java-based applications. • Collaborate with cross-functional teams to implement business ...

Artech Information System LLC

Java Developer

Denver, CO

$52.50 - $68/hr

We are looking for an experienced Java Developer to work on a dynamic team designing, building, and integrating micro services in a distributed system. The right individual for this role must be ...

Excelacom

Lead Java Developer

Colorado Springs, CO · On-site

Lead Java Developer Greenwood Village, CO Who We Are: Excelacom is a global consulting and technology solutions firm solving client's complex business and technology challenges through a mix of ...

Artech Information System LLC

Java Developer

Englewood, CO

$50.25 - $65.25/hr

Position:GUI Java Developer LOCATION: Englewood ,CODuration:12 month+ BS or Masters in Computer Science or equivalent 2-4 years in architecting large and business critical systems 6 - 8 years of ...

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All JobsJava Engineer JobsJava Engineer Jobs in Colorado

Java Engineer information

See Colorado salary details

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How much do java engineer jobs pay per hour?

As of Jul 9, 2026, the average hourly pay for java engineer in Colorado is $63.54, according to ZipRecruiter salary data. Most workers in this role earn between $52.31 and $71.78 per hour, depending on experience, location, and employer.

How does a Java Engineer typically collaborate with cross-functional teams during the software development lifecycle?

Java Engineers often work closely with product managers, designers, QA specialists, and other developers throughout the software development lifecycle. They participate in sprint planning, code reviews, and daily stand-ups to ensure alignment on project goals and technical requirements. Effective communication and collaboration are essential, as Java Engineers must translate business needs into technical solutions and provide ongoing feedback to improve both functionality and user experience. This team-oriented environment helps foster professional growth and ensures the successful delivery of robust, scalable applications.

What does a Java engineer do?

A Java engineer designs, develops, and maintains software applications using the Java programming language. They write code, troubleshoot issues, and often work with frameworks like Spring or Hibernate, typically collaborating with teams and following software development best practices.

Which pays more, C++ or Java?

For Java engineers, salary levels often depend on experience, location, and industry, but generally, C++ developers tend to earn higher salaries due to the complexity and specialized skills required. Both roles require strong programming skills, and salaries can vary widely based on expertise and certifications. In many markets, C++ roles may offer a premium over Java positions, especially in high-performance or embedded systems environments.

What are the key skills and qualifications needed to thrive as a Java Engineer, and why are they important?

To thrive as a Java Engineer, you need strong proficiency in Java programming, object-oriented design, and a solid understanding of software development principles, often backed by a degree in computer science or a related field. Familiarity with frameworks like Spring or Hibernate, experience using build tools such as Maven or Gradle, and knowledge of version control systems like Git are commonly expected. Excellent problem-solving abilities, teamwork, and effective communication are standout soft skills in this role. Mastering these skills enables the delivery of robust, maintainable software solutions and efficient collaboration with development teams.

What are Java Engineers?

Java Engineers are software developers who specialize in using the Java programming language to design, build, and maintain applications and systems. They work on a wide variety of projects, from web and mobile applications to large-scale enterprise solutions. Java Engineers are skilled in object-oriented programming and often use frameworks like Spring or Hibernate to create robust, scalable software. Their responsibilities typically include writing code, testing and debugging applications, and collaborating with other developers and stakeholders to meet project goals.

What is the difference between Java Engineer vs Software Developer?

AspectJava EngineerSoftware Developer
Required CredentialsBachelor's in Computer Science, Java certificationsBachelor's in Computer Science or related field, various programming certifications
Work EnvironmentDevelops Java-based applications, often in enterprise settingsCreates software across multiple languages and platforms, including Java
Industry UsageCommon in finance, tech, and enterprise sectorsWidely used across all tech industries and startups
Search & Comparison IntentFocuses on Java-specific roles and skillsBroader software development roles, including Java

Java Engineers specialize in developing Java-based applications, often within enterprise environments, requiring Java-specific skills and certifications. Software Developers have a broader scope, working with multiple programming languages and platforms, including Java. While Java Engineers focus on Java-centric projects, Software Developers may work on diverse projects across various technologies.

Is Java still useful in 2026?

Java remains a widely used programming language for Java Engineers in 2026, especially in enterprise applications, Android development, and backend systems. Its stability, large ecosystem, and ongoing updates ensure continued relevance, and knowledge of frameworks like Spring enhances job prospects.

What is the salary of a Java engineer?

The salary of a Java engineer varies based on experience, location, and industry, but typically ranges from $70,000 to $120,000 annually in many regions. Senior Java developers with specialized skills or certifications can earn higher salaries, especially in competitive markets or with expertise in frameworks like Spring or Hibernate.
What are the most commonly searched types of Java Engineer jobs in Colorado? The most popular types of Java Engineer jobs in Colorado are:
What are popular job titles related to Java Engineer jobs in Colorado? For Java Engineer jobs in Colorado, the most frequently searched job titles are:
What job categories do people searching Java Engineer jobs in Colorado look for? The top searched job categories for Java Engineer jobs in Colorado are:
What cities in Colorado are hiring for Java Engineer jobs? Cities in Colorado with the most Java Engineer job openings:
What are popular job titles related to Java Engineer jobs in CO? For Java Engineer jobs in CO, the most frequently searched job titles are:
Java Engineer jobs near you
Java Developer

Java Developer

Spartan X Corp

Denver, CO • On-site

$60/hr

Full-time

Medical, Dental, Vision, Retirement, PTO

This job post has expired 1 day ago. Applications are no longer accepted.

Job description

MUST LIVE IN COLORADO (Onsite every Tuesday at the Ralph Carr Judicial Complex, 1300 Broadway, Denver)

Hybrid Remote / W2 / C2C / 1099

Please note we are unable to provide H1B visa sponsorship.

About the Role

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.

Responsibilities

  • 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.

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.

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

Ideal Candidate

The ideal candidate is a strong Java developer who can move comfortably between backend development, lightweight front-end work, cloud-based deployments, and CI/CD workflows. They should be able to understand existing systems quickly, contribute clean and maintainable code, and work effectively in a modern cloud-oriented development environment.

Experience with AWS, GitLab pipelines, Terraform, and AI-assisted coding tools is highly valued.

Engagement Type

This is a contractor position. The contractor will work with our development team to deliver application enhancements, new features, integrations, and platform improvements.t, product analyst).

Company Description

Spartan X Corp was founded by a diverse team of military veterans with comprehensive real-world experience. As veterans, honor is the cornerstone of quality that drives our commitment to every mission. As a leading Service-Disabled Veteran-Owned Small Business (SDVOSB) contractor to the U.S. government and her allies, our team will do whatever it takes to ensure our client's success.
​Spartan leverages deep domain expertise and competencies across a wide range of skill sets and technologies to deliver innovative, reliable solutions. This balance of design and performance is guided by proven processes and oversight to ensure safety, security, and measurable results.
​We stand on decades of military service and government contracting experience to execute efficiently and in good faith. We understand the trust placed in us by our customers and the American taxpayer, and we honor that trust by operating with integrity and delivering on every task within the terms and intent of our mission.