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Contract Java Developer Jobs in Denver, CO (NOW HIRING)

Northstrat

Java Software Engineer TNG

Aurora, CO

$52.50 - $72.25/hr

Must be familiar with using Java-based technologies building DevOps pipelines to develop enterprise ... and contract wage rates, relevant prior work experience, specific skills and competencies ...

Northstrat

Java Software Engineer TNG

Aurora, CO · On-site

$52.50 - $72.25/hr

Must be familiar with using Java-based technologies building DevOps pipelines to develop enterprise ... and contract wage rates, relevant prior work experience, specific skills and competencies ...

Northstrat

Java Software Engineer TNG

Aurora, CO · On-site

$52.50 - $72.25/hr

Must be familiar with using Java-based technologies building DevOps pipelines to develop enterprise ... and contract wage rates, relevant prior work experience, specific skills and competencies ...

Peraton

Java Software Engineer - Space Domain

Aurora, CO

$52.50 - $72.25/hr

Responsibilities Peraton is seeking a Software Developer in Herndon, VA or Aurora, CO to support ... Contract requires TS/SCI with polygraph. Candidate must maintain clearance. * 2+ years of ...

Peraton

Java Software Engineer - Space Domain

Aurora, CO

$52.50 - $72.25/hr

Responsibilities Peraton is seeking a Software Developer in Herndon, VA or Aurora, CO to support ... Contract requires TS/SCI with polygraph. Candidate must maintain clearance. * 2+ years of ...

CosQube INC

Scala Developer

Denver, CO · On-site

Denver, US Duration:12+ Months Contract with Extension Employment Type: C2C/C2H/W2 Interview ... Design and develop RESTful and GraphQL APIs using Java and Scala * Build event-driven services and ...

My3Tech Inc

Full Stack Developer

Englewood, CO · Hybrid

Full Stack Developer Tentative Start Date: 10/1 6 month contract, could extend Onsite Requirements ... Java * Spring Boot * AWS * Microservices * NodeJS - nice to have Required Skills: 4+ years of ...

SNI Technology

Software Developer

Denver, CO · Remote

$70 - $90/hr

Northern VA; or Austin, TX for occasional office visit) Duration: 6-Month Contract (High likelihood ... NET or Java development * Strong experience with backend integration and system architecture

Pyramid Consulting

Android Developer

Denver, CO · On-site

$57.50 - $75.50/hr

This is a 12+ month's contract opportunity with long-term potential located in Denver, CO. Please ... Android/IOS Development, Java/J2EE, HTML5, JS, JQUERY * Oracle, Cassandra DB, NOSQL * UNIX, Shell ...

Northstrat

Senior Software Developer

Aurora, CO · On-site

$55.25 - $73.25/hr

Java, Spring Framework, Spring Boot * Web frameworks - React, VUE * Databases - PostgreSQL, MySQL ... and contract wage rates, relevant prior work experience, specific skills and competencies ...

Northstrat

Senior Software Developer

Aurora, CO

$55.25 - $73.25/hr

Java, Spring Framework, Spring Boot * Web frameworks - React, VUE * Databases - PostgreSQL, MySQL ... and contract wage rates, relevant prior work experience, specific skills and competencies ...

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How much do contract java developer jobs pay per hour?

As of May 28, 2026, the average hourly pay for contract java developer in Denver, CO is $58.36, according to ZipRecruiter salary data. Most workers in this role earn between $50.48 and $65.34 per hour, depending on experience, location, and employer.

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.

Do companies still hire Java developers?

Yes, companies continue to hire Java developers due to the language's widespread use in enterprise applications, Android development, and backend systems. Java developers with skills in frameworks like Spring and experience with cloud platforms are in consistent demand across various industries.

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 Denver, CO? The most popular types of Java Developer jobs in Denver, CO are:
What are popular job titles related to Contract Java Developer jobs in Denver, CO? For Contract Java Developer jobs in Denver, CO, the most frequently searched job titles are:
What job categories do people searching Contract Java Developer jobs in Denver, CO look for? The top searched job categories for Contract Java Developer jobs in Denver, CO are:
Contract Java Developer jobs near you
Infographic showing various Contract Java Developer job openings in Denver, CO as of May 2026, with employment types broken down into 33% Full Time, 33% Part Time, and 34% Contract. Highlights an 33% In-person, and 67% Remote job distribution, with an average salary of $121,384 per year, or $58.4 per hour.
SR Java Software Developer - Space Domain

SR Java Software Developer - Space Domain

Peraton

Aurora, CO • On-site

$112K - $179K/yr

Full-time

PTO

Posted 29 days ago

Peraton rating

8.3

Company rating: 8.3 out of 10

Based on 52 frontline employees who took The Breakroom Quiz

39th of 204 rated it services

Job description

Responsibilities
Peraton is looking for a Senior Software Developer in Aurora, CO to support Intelligence Community and DoD customers as part of a talented, high-performing team. As part of this team you will work with emerging service and distributed computing technologies for satellite situational awareness (SSA) data processing and distribution.
The EMMETT program, a next gen Space Domain Awareness (SDA) Indications and Warning (I&W) system, establishes a repository of resident space objects (RSOs), finds RSOs of interest, and provides data to ground operators. The EMMETT team uses: programmatics, sensor modeling, and system engineering expertise to deliver this world-class SDA I&W system.
What you'll do:
  • Provide TS/SCI Java software development of modules. Some of these techniques include but are not limited to event-driven or state-driven programming, error logging, and exception handling.
  • Perform TS/SCI software analysis, architecture, engineering, and integration services at the unit, module, and system levels.
  • Perform all aspects of software engineering support required to implement systems.
  • Adhere to open standards and modern software development methodologies, including what is considered 'best' practices by Industry to the extent that operational requirements will allow.
  • Provide technical reports, white papers and other documentation as required to documents findings of all software engineering service activities.

Qualifications
Required Qualifications:
  • A Bachelor's degree with 10+ years of relevant experience. Additional four (4) years of experience may be considered in lieu of a degree.
  • This position requires the candidate possess a minimum of Top Secret clearance with ability to upgrade to TS/SCI and pass a polygraph within 30 days of employment or at customers request- contract requires TS/SCI with poly. The candidate must maintain the clearance.
  • 5+ years of experience with Java
  • 3+ years of experience in working with microservices and containerization technologies, including Docker and Kubernetes
  • Experience with backend frameworks, such as Spring Framework or Spring Boot
  • Experience with API development, including REST architectural style
  • Experience with integration and development tools, including AWS, Bitbucket, or Jenkins
  • Experience with supporting systems engineering efforts in system design, solution engineering, and software development
  • Experience with Linux OS and Command Line Interface
  • Ability to obtain a DoD 8570 Compliant Certification, including Security+ or CISSP, within 6 months of start date

Desired Qualifications:
  • Experience with Open Systems Architecture design principles
  • Experience with DevOps technologies
  • Experience with CI/CD technologies, including Ansible, Jenkins, and GIT
  • Experience with Agile development or Scrum
  • Knowledge of non-relational databases, including MongoDB
  • Knowledge of Apache NiFi and Kafka
  • Ability to work in a fast-paced and collaborative team environment
  • Possession of excellent verbal and written communication skills
  • TS/SCI clearance with a polygraph
  • Security+ CE, SSCP, CCNA-Security, or GSEC Certification

Benefits:
Peraton offers enhanced benefits to employees working on this critical National Security program, which include heavily subsidized employee benefits coverage for you and your dependents, 25 days of PTO accrued annually up to a generous PTO cap and eligible to participate in an attractive bonus plan
#LI-PY1
Peraton Overview
Peraton is a next-generation national security company that drives missions of consequence spanning the globe and extending to the farthest reaches of the galaxy. As the world's leading mission capability integrator and transformative enterprise IT provider, we deliver trusted, highly differentiated solutions and technologies to protect our nation and allies. Peraton operates at the critical nexus between traditional and nontraditional threats across all domains: land, sea, space, air, and cyberspace. The company serves as a valued partner to essential government agencies and supports every branch of the U.S. armed forces. Each day, our employees do the can't be done by solving the most daunting challenges facing our customers. Visit peraton.com to learn how we're keeping people around the world safe and secure.
Target Salary Range
$112,000 - $179,000. This represents the typical salary range for this position. Salary is determined by various factors, including but not limited to, the scope and responsibilities of the position, the individual's experience, education, knowledge, skills, and competencies, as well as geographic location and business and contract considerations. Depending on the position, employees may be eligible for overtime, shift differential, and a discretionary bonus in addition to base pay.
EEO
EEO: Equal opportunity employer, including disability and protected veterans, or other characteristics protected by law.

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About Peraton

Sourced by ZipRecruiter

At Peraton, we re at the forefront of delivering the next big thing every day. We re the partner of choice to help solve some of the world s most daunting challenges, delivering bold, new solutions to keep people around the world safer and more secure.

Industry

It services

Company size

10,000+ Employees

Headquarters location

Herndon, VA, US

Year founded

2017

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