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Contract Java Developer Jobs in Colorado (NOW HIRING)

InstantServe LLC

Java Developer

Denver, CO · On-site

$52.50 - $68/hr

Java Developer Requisition ID: SB26-149-DEV Client: Colorado Judicial Branch (CO Judicial ... Work Schedule Monday - Friday Standard business hours Contract Duration Start Date: July 27, 2026 ...

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 ...

Epitec

Java Developer

Greenwood Village, CO · On-site

$50 - $70/hr

Contract * Job #104944 Job Title :Java Developer Location: Greenwood village, CO(5 days a week) Duration: 12+ Months Contract(With Possibility of extension) W2 Only Pay Rate Range :$50-70 /hr A ...

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 ...

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 · 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 ...

Sysazzle

Application Developer IV

Denver, CO · On-site

Application Developer IV Duration: 5-6 month contract Location: Denver, CO, (Remote) Description: Senior Java Developer We are seeking a Senior Java Developer who will be responsible for designing ...

Northstrat

Java Developer CF

Aurora, CO · On-site

$51.75 - $67/hr

Northstrat is seeking a Java Software Developer to join an established program comprised of ... and contract wage rates, relevant prior work experience, specific skills and competencies ...

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

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 ...

Cymertek

Software Engineer (Java, MASH, Linux)

Aurora, CO · On-site

$52.75 - $72.25/hr

... Developer, Middleware Engineer, Systems Engineer, Backend Developer, Full Stack Developer ... 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 are the key skills and qualifications needed to thrive as a Contract Java Developer, and why are they important?

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 are Contract Java Developers?

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 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.

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:
Contract Java Developer jobs near you
Infographic showing various Contract Java Developer job openings in Colorado as of July 2026, with employment types broken down into 57% Full Time, and 43% Contract. Highlights an 100% In-person job distribution.
Java Developer

Java Developer

InstantServe LLC

Denver, CO • On-site

$52.50 - $68/hr

Full-time

Posted 24 days ago

Job description

Java Developer
Requisition ID: SB26-149-DEV
Client: Colorado Judicial Branch (CO Judicial)
Department: Judicial
Location: Remote / As Assigned
Duration: July 27, 2026 - July 27, 2027
Position Overview
The Colorado Judicial Branch is seeking an experienced Java Developer Contractor to support the design, development, enhancement, and maintenance of enterprise web applications, backend services, and cloud-based solutions. This role requires strong expertise in the Java/Spring ecosystem, AWS cloud services, REST API development, and modern DevOps practices.
The ideal candidate is a hands-on developer who can quickly understand existing systems, contribute high-quality code, and collaborate effectively with technical and business stakeholders.
Key Responsibilities
  • Design, develop, test, and maintain applications using Java SDK 21.
  • Build and enhance solutions using Spring Boot and the Spring Framework.
  • Develop, maintain, and integrate RESTful APIs and JSON-based services.
  • Support web applications utilizing Thymeleaf, HTML, CSS, and JavaScript.
  • Work with AWS cloud services including ECS, API Gateway, and DynamoDB.
  • Manage source control and development workflows using GitLab.
  • Create, maintain, and troubleshoot GitLab CI/CD pipelines.
  • Participate in architecture discussions, code reviews, and deployment activities.
  • Support Infrastructure-as-Code initiatives using Terraform.
  • Utilize IntelliJ IDEA as the primary development environment.
  • Apply software engineering best practices including testing, documentation, maintainability, and operational support.
  • Leverage AI-assisted development tools where appropriate to improve productivity and code quality.
Required Qualifications
  • Strong professional experience developing applications with Java.
  • Experience with Java 21 or recent Java versions.
  • Solid hands-on experience with Spring Boot and the Spring ecosystem.
  • Experience designing, building, and consuming REST APIs.
  • Strong understanding of JSON and API integration patterns.
  • Working knowledge of HTML, CSS, and JavaScript.
  • Experience with Git-based source control, preferably GitLab.
  • Experience building and supporting CI/CD pipelines, preferably GitLab CI/CD.
  • Practical experience developing, deploying, or supporting applications in AWS.
  • Strong communication skills and the ability to work independently in a contractor role.
Preferred Qualifications
  • Experience with Thymeleaf server-side templating.
  • Hands-on experience with:
    • Amazon ECS
    • Amazon API Gateway
    • Amazon DynamoDB
  • Experience with Terraform or other Infrastructure-as-Code tools.
  • Professional experience using IntelliJ IDEA.
  • Familiarity with AI-assisted development tools such as:
    • Claude Code
    • GitHub Copilot
    • Cursor
    • Similar AI coding assistants
  • Experience troubleshooting cloud deployments, build pipelines, and production issues.
  • Understanding of secure coding practices and cloud security concepts.
Technical Environment
  • Java SDK 21
  • Spring Boot / Spring Framework
  • Thymeleaf
  • REST APIs
  • JSON
  • HTML / CSS / JavaScript
  • AWS (ECS, API Gateway, DynamoDB)
  • GitLab Repositories
  • GitLab CI/CD
  • Terraform
  • IntelliJ IDEA
  • AI-Assisted Coding Tools
Ideal Candidate
The successful candidate will be a well-rounded Java developer who can effectively contribute across backend development, lightweight front-end work, cloud deployments, and DevOps workflows. Experience with AWS, GitLab CI/CD, Terraform, and modern AI-assisted development tools is highly desirable.
Work Schedule
Monday - Friday
Standard business hours
Contract Duration
Start Date: July 27, 2026
End Date: July 27, 2027
InstantServe logo

About InstantServe

Sourced by ZipRecruiter

InstantServe provides a one-stop solution to all Healthcare, IT/Non-IT Staffing needs. Established in 2016, InstantServe is a strong workforce of over 100+ go-getters with a demonstrated background in IT/Non-IT service. We are a nationally certified SBE from the Department of Administration (State of PA). As a proud Minority Woman Owned Small Business Enterprise (M/WBE), InstantServe boasts of a strong team of professionals who have extensive experience catering to several Federal, Public, Commercial, and Healthcare Clients which includes 26 States and 46 government agencies. InstantServe is a client-centric organization that offers cost-effective and reliable solutions. Client satisfaction is sacrosanct! Our team strives to provide the best staffing and IT solutions to take your business to the next level.

Industry

Recruiting and staffing services

Company size

11 - 50 Employees

Headquarters location

Wayne, PA, US

Year founded

2016

Social media

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