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Contract Java Developer Jobs in Colorado (NOW HIRING)

Tech Mirrors

Java Developer

Denver, CO · On-site

$80 - $120/hr

We are looking for an experienced Java Developer to join our development team on a contract basis. The ideal candidate should have strong backend development experience with Java and Spring Boot ...

Transcend Softech LLC

Java Developer

Denver, CO · On-site

$52.50 - $68/hr

Position: Java Developer Location: Denver, CO Long Term Contract Unable to provide sponsorship for this role. * Experience in analysis, design, development, and maintenance of client server ...

Infojini Inc

Senior Java Developer

Denver, CO

$59 - $75.25/hr

We are looking for Senior Java Developer in Denver, CO for 6 months contract position. Please send your resume along with rate expectation. Please refer someone else if you are not available at this ...

Cymertek

Java / Spring Developer

Aurora, CO · On-site

$52 - $67.25/hr

Java / Spring Developer LOCATION Aurora, CO 80014 CLEARANCE TS/SCI Full Poly (Please note this ... Most contracts allow additional experience (4-5 years) in lieu of a Bachelor's Degree. Some ...

Hirekeyz Inc

Full Stack Java Developer

Denver, CO · On-site

$54 - $69.75/hr

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 strong experience in both backend and ...

Cymertek Corporation

Java / Spring Developer

Aurora, CO · On-site

$90 - $130/hr

Java / Spring Developer LOCATIONAurora, CO 80014 CLEARANCETS/SCI Full Poly (Please note this ... Most contracts allow additional experience (4-5 years) in lieu of a Bachelor's Degree. Some ...

Peraton

Mid-level Java Developer

Colorado Springs, CO · On-site

$86K - $138K/yr

Peraton is seeking a Java Developer to help build Web and backend application/services for a ... and contract considerations. Depending on the position, employees may be eligible for overtime ...

Peraton

Mid-level Java Developer

Colorado Springs, CO

$86K - $138K/yr

Peraton is seeking a Java Developer to help build Web and backend application/services for a ... and contract considerations. Depending on the position, employees may be eligible for overtime ...

Peraton

Mid-level Java Developer

Colorado Springs, CO

$86K - $138K/yr

Peraton is seeking a Java Developer to help build Web and backend application/services for a ... and contract considerations. Depending on the position, employees may be eligible for overtime ...

Cymertek

Java, Scala, Python Developer

Aurora, CO · On-site

Java, Scala, Python Developer LOCATION Aurora, CO 80014 CLEARANCE TS/SCI Full Poly (Please note ... Most contracts allow additional experience (4-5 years) in lieu of a Bachelor's Degree. Some ...

Compri Consulting

Senior Java Software Engineer

Denver, CO · On-site

$128K - $169K/yr

Client located in Colorado is seeking a 100% REMOTE Senior Full Stack Java Developer for a long term contract position. Candidates must currently reside in the state of Colorado . This position will ...

Cymertek Corporation

Java Software Engineer

Aurora, CO · On-site

$95 - $125/hr

SIMILAR CAREER TITLES Java Developer, Backend Developer, Full Stack Developer, Software Engineer ... Most contracts allow additional experience (4-5 years) in lieu of a Bachelor's Degree. Some ...

Cymertek

Java Software Engineer

Aurora, CO · On-site

$52.75 - $72.25/hr

SIMILAR CAREER TITLES Java Developer, Backend Developer, Full Stack Developer, Software Engineer ... Most contracts allow additional experience (4-5 years) in lieu of a Bachelor's Degree. Some ...

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All JobsContract Java Developer JobsContract Java Developer Jobs in Colorado

Contract Java Developer information

What is a contract Java developer?

Contract Java Developers are software professionals who specialize in the Java programming language and are hired on a contract basis, rather than as permanent employees. They typically work for a set period of time or on a specific project, developing, testing, and maintaining Java-based applications according to the client’s requirements. These developers are often brought in to provide specialized expertise, handle workload spikes, or complete short-term projects. Their roles may include writing code, fixing bugs, integrating systems, and ensuring applications meet performance and security standards.

What are the key skills and qualifications needed to thrive as a contract Java developer?

To thrive as a Contract Java Developer, you need strong Java programming skills, experience with object-oriented design, and a solid understanding of software development lifecycles, typically supported by a relevant degree or certifications. Familiarity with frameworks like Spring, build tools such as Maven or Gradle, and version control systems like Git is commonly required. Excellent problem-solving, adaptability, and clear communication skills help you efficiently integrate with new teams and projects. These abilities ensure you can quickly deliver high-quality, maintainable code that meets client requirements in a dynamic contract environment.

What are some common challenges faced by contract Java developers when integrating with existing teams and projects?

Contract Java Developers often need to quickly adapt to unfamiliar codebases and team workflows, which can be challenging given tight project timelines. Effective communication is essential, as they must coordinate with permanent staff, understand project requirements, and align with established coding standards and deployment processes. Many contractors also need to manage multiple projects or clients simultaneously, requiring strong time management skills. Proactively seeking clarity on expectations and leveraging onboarding resources can help ease the integration process.

What is the difference between Contract Java Developer vs Contract Software Engineer?

AspectContract Java DeveloperContract Software Engineer
Required CredentialsBachelor's in Computer Science, Java certificationsBachelor's in Computer Science or related, various programming certifications
Work EnvironmentDevelopment teams, client sites, remote optionsDevelopment teams, client sites, remote options
Industry UsageTech, finance, healthcare, e-commerceTech, finance, healthcare, e-commerce
Search & Comparison IntentFocus on Java-specific roles, Java projectsBroader software development roles, multiple languages

Contract Java Developers specialize in Java programming and are often sought for Java-specific projects. Contract Software Engineers have a broader scope, working with multiple programming languages and technologies. Both roles are common in tech industries and share similar work environments, but the Java Developer role is more focused on Java expertise.

Are Contract Java developers still in demand?

Contract Java developers remain in demand due to ongoing needs for software development, system integration, and enterprise applications. Skills in frameworks like Spring and experience with cloud platforms can enhance job prospects in this field.

What are the most commonly searched types of Java Developer jobs in Colorado?

The most popular types of Java Developer jobs in Colorado are:

What are popular job titles related to Contract Java Developer jobs in Colorado?

For Contract Java Developer jobs in Colorado, the most frequently searched job titles are:

What job categories do people searching Contract Java Developer jobs in Colorado look for?

The top searched job categories for Contract Java Developer jobs in Colorado are:

What cities in Colorado are hiring for Contract Java Developer jobs?

Cities in Colorado with the most Contract Java Developer job openings:

Contract Java Developer jobs near you
Infographic showing various Contract Java Developer job openings in Colorado as of August 2026, with employment types broken down into 82% Full Time, 4% Part Time, 1% Temporary, and 13% Contract. Highlights an 80% Physical, 6% Hybrid, and 14% Remote job distribution.

Java Developer

Tech Mirrors

Denver, CO • On-site

$80 - $120/hr

Other

Posted 5 days ago

Job description

We are looking for an experienced Java Developer to join our development team on a contract basis. The ideal candidate should have strong backend development experience with Java and Spring Boot, hands‑on experience with AWS cloud services, and familiarity with GitLab CI/CD. This role involves developing REST APIs, supporting cloud‑based applications, and contributing to modern DevOps workflows.

Required Skills
  • Strong experience with Java (preferably Java 21 or recent versions)
  • Hands‑on experience with Spring Boot and Spring Framework
  • Experience designing and developing REST APIs
  • Strong knowledge of JSON and API integrations
  • Basic front‑end skills: HTML, CSS, JavaScript
  • Experience with AWS (deployment and application support)
  • Experience using Git/GitLab for source control
  • Experience with GitLab CI/CD pipelines
  • Ability to work independently and communicate effectively
Preferred Skills
  • Experience with Thymeleaf
  • Hands‑on experience with Amazon ECS
  • Hands‑on experience with API Gateway
  • Hands‑on experience with DynamoDB
  • Experience with Terraform (Infrastructure as Code)
  • Experience using IntelliJ IDEA
  • Familiarity with AI coding tools such as GitHub Copilot, Cursor, Claude Code, etc.
  • Experience troubleshooting cloud deployments, CI/CD pipelines, and production issues
  • Understanding of secure coding and cloud security best practices
Technology Stack
  • Java SDK 21
  • Spring Boot / Spring Framework
  • REST APIs, JSON
  • HTML, CSS, JavaScript
  • Thymeleaf
  • AWS (ECS, API Gateway, DynamoDB)
  • GitLab & GitLab CI/CD
  • Terraform
  • IntelliJ IDEA
Ideal Candidate
  • Strong backend Java developer with cloud deployment experience
  • Comfortable working across backend, lightweight frontend, and DevOps
  • Able to quickly understand existing applications and deliver high‑quality, maintainable code
  • Experience working in Agile development environments is a plus
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