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Java Contract Jobs in Denver, CO (NOW HIRING)

TEKsystems

Sr IBM ODM Developer - Onsite 5 Days

Denver, CO

$59 - $75/hr

... Java and Spring Boot that expose platform capabilities and integrate with BRE decisioning. • Define and maintain API contracts (OpenAPI/Swagger where applicable), validate inputs, and implement ...

Peraton

Software Developer - Big Data (Space Domain)

Aurora, CO · On-site

$58.25 - $74.25/hr

... contract requires TS/SCI with poly. The candidate must maintain the clearance. * Must be proficient in with Java (Model, Entity, Data Transfer Object (DTO), Data Access (DAO)) * Design, develop, and ...

Quantix

C# Engineer

Westminster, CO · On-site

Contract Length: Six months plus Client located in Westminster, Colorado is seeking a C# Engineer ... Desired Skills: 1) Xamarin. 2) AngularJS. 3) Java. 4) C/C++. Qualifications Required Skills: 1) C# ...

USM

Java/J2EE Architect

Denver, CO

$64.75 - $87.50/hr

Denver, CO. Contract: Long Term. Bachelor's or Master's Degree in Computer Science, Information Systems, or other related field. At least 10 years of IT work experience in development and ...

CosQube INC

Scala Developer

Denver, CO · On-site

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

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All JobsJava Contract JobsJava Contract Jobs in Denver, CO

Java Contract information

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How much do java contract jobs pay per hour?

As of Jul 7, 2026, the average hourly pay for java contract 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 some common challenges faced by Java contractors and how can they be managed effectively?

Java contractors often work on short-term projects or fill skill gaps in development teams, which can present challenges such as quickly adapting to new codebases and varying team dynamics. To manage these effectively, it’s important to have strong communication skills, a proactive approach to understanding project requirements, and the ability to rapidly learn existing systems. Building rapport with permanent team members and maintaining thorough documentation can also help ease the transition. Staying current with Java frameworks and tools further ensures you can contribute value from day one.

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

To thrive as a Java Contractor, you need strong proficiency in Java programming, experience with object-oriented design, and a solid understanding of software development methodologies, often supported by a relevant degree or certifications like Oracle Certified Professional Java Programmer (OCPJP). Familiarity with development tools such as Eclipse or IntelliJ IDEA, version control systems like Git, and frameworks such as Spring or Hibernate is typically required. Excellent problem-solving, adaptability, and communication skills help you collaborate with diverse teams and quickly respond to project changes. These skills ensure high-quality, maintainable code and successful completion of contract-based software projects.

What is the difference between Java Contract vs Java Developer?

AspectJava ContractJava Developer
CredentialsTypically requires Java certifications, experience in contract rolesRequires Java certifications, degree in computer science or related field
Work EnvironmentProject-based, short-term assignments, flexible hoursFull-time, ongoing employment, structured work hours
Employer & Industry UsageUsed by companies for specific projects, consulting firmsEmployed directly by companies, tech firms, or agencies
Search & Comparison IntentOften compared for contract opportunities, flexibilityCompared for full-time roles, career growth

Java Contract roles are typically project-based, offering short-term assignments with flexible schedules, ideal for those seeking variety or freelance work. Java Developers usually work full-time, with ongoing responsibilities and career development opportunities. Both roles require Java certifications and experience, but differ mainly in employment type and work environment.

What is a Java contract job?

A Java contract job is a temporary position where a programmer is hired to work on projects using the Java programming language for a fixed period, rather than as a permanent employee. Contractors are often brought in to fill skill gaps, complete specific projects, or handle increased workloads. These roles can be full-time or part-time and typically last from a few months to over a year, depending on the project's needs. Contractors may work onsite or remotely and are usually paid hourly or by project milestone. Java contract jobs offer flexibility and the opportunity to work with a variety of companies and technologies.
What are the most commonly searched types of Java jobs in Denver, CO? The most popular types of Java jobs in Denver, CO are:
What are popular job titles related to Java Contract jobs in Denver, CO? For Java Contract jobs in Denver, CO, the most frequently searched job titles are:
What job categories do people searching Java Contract jobs in Denver, CO look for? The top searched job categories for Java Contract jobs in Denver, CO are:
What cities near Denver, CO are hiring for Java Contract jobs? Cities near Denver, CO with the most Java Contract job openings:
Java Contract jobs near you
Infographic showing various Java Contract job openings in Denver, CO as of July 2026, with employment types broken down into 43% Full Time, 6% Part Time, and 51% Contract. Highlights an 89% In-person, and 11% 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 8 days ago

Peraton rating

8.2

Company rating: 8.2 out of 10

Based on 53 frontline employees who took The Breakroom Quiz

47th of 207 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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