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Junior Java Software Engineer Jobs in Denver, CO

Java / JavaScript Engineer

Lakewood, CO · On-site

$51.75 - $71/hr

Work with the latest and greatest software development tools and true software engineering mindset ... Java / JavaScript Engineer Location: Lakewood, CO Type: Direct Hire Client located in Lakewood ...

... software as a service based application. Candidate will also be responsible for guiding and mentoring other junior Java developers. · Design, development and support of Physician facing web and ...

Develop, test, and maintain software applications using Java and/or Python. * Design and implement ... Mentor junior developers and provide technical guidance within the development team as needed.

They are seeking a Junior Software Engineer to contribute to software development teams, modernize internal systems, and support high-level end-user training and troubleshooting. Responsibilities ...

Software Engineering candidates have experience working in team environments, building software ... Java/JavaScript * Spring Framework * React/React Native/VueJS/EmberJS * Linux/Windows/MacOS

Software Engineer

Aurora, CO · On-site

$90K - $240K/yr

Software Engineering candidates have experience working in team environments, building software ... Java/JavaScript * Spring Framework * React/React Native/VueJS/EmberJS * Linux/Windows/MacOS

Software Engineer

Aurora, CO · On-site

$90K - $240K/yr

Software Engineering candidates have experience working in team environments, building software ... Java/JavaScript * Spring Framework * React/React Native/VueJS/EmberJS * Linux/Windows/MacOS

Software Engineer

Aurora, CO · On-site

$90K - $240K/yr

Software Engineering candidates have experience working in team environments, building software ... Java/JavaScript * Spring Framework * React/React Native/VueJS/EmberJS * Linux/Windows/MacOS

Software Engineer Onsite Location: Aurora, CO Required: TS/SCI Clearance No 1099, No third parties ... Experience with Java multi-threading. * Experience developing planning & scheduling software or ...

Software Engineer Onsite Location: Aurora, CO Required: TS/SCI Clearance No 1099, No third parties ... Experience with Java multi-threading. * Experience developing planning & scheduling software or ...

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Junior Java Software Engineer information

See Denver, CO salary details

$62.8K

$110K

$165.7K

How much do junior java software engineer jobs pay per year?

As of Jul 13, 2026, the average yearly pay for junior java software engineer in Denver, CO is $109,952.00, according to ZipRecruiter salary data. Most workers in this role earn between $77,700.00 and $109,600.00 per year, depending on experience, location, and employer.

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

To thrive as a Junior Java Software Engineer, you need a solid understanding of Java programming, object-oriented principles, data structures, and typically a bachelor’s degree in computer science or a related field. Familiarity with version control systems like Git, build tools such as Maven or Gradle, and experience with IDEs like IntelliJ IDEA or Eclipse are common technical requirements. Strong problem-solving, eagerness to learn, and effective teamwork are standout soft skills in this role. These skills ensure you can write reliable code, collaborate efficiently, and adapt to evolving technical challenges in software development projects.

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

AspectJunior Java Software EngineerJava Developer
Required CredentialsTypically a bachelor's degree in Computer Science or related field; some certifications like Oracle Java CertificationSimilar credentials; often holds Java certifications and a degree in a related field
Work EnvironmentEntry-level position in development teams, often under supervision, focusing on coding and testingCan be entry to mid-level, involved in designing, coding, and maintaining Java applications
Employer & Industry UsageUsed across tech companies, startups, and corporate IT departmentsCommonly used in software development firms, tech companies, and enterprise environments

While both roles involve Java programming, a Junior Java Software Engineer typically focuses on learning and supporting development tasks under supervision, whereas a Java Developer may have more responsibility in designing and implementing Java applications. The roles often overlap, but the engineer role emphasizes entry-level growth, while the developer role can involve more independent work.

What does a Junior Java Software Engineer do?

A Junior Java Software Engineer is typically responsible for assisting in the development, testing, and maintenance of software applications using the Java programming language. They work under the guidance of more experienced engineers to write code, fix bugs, and contribute to team projects. Junior engineers also learn best practices in software development, participate in code reviews, and continuously improve their technical skills. Their role often includes collaborating with other developers, designers, and quality assurance teams to deliver high-quality software solutions.

What kinds of projects or tasks can a Junior Java Software Engineer expect to work on during their first year?

As a Junior Java Software Engineer, you can expect to work on tasks such as fixing bugs, writing unit tests, and developing small features under the guidance of more experienced team members. You'll likely contribute to code reviews, participate in daily stand-ups, and collaborate closely with QA engineers and front-end developers. Over time, you may gradually take on more complex assignments, such as designing modules or integrating third-party APIs. This hands-on experience helps build your technical skills and deepen your understanding of the software development lifecycle.
What are the most commonly searched types of Java Software Engineer jobs in Denver, CO? The most popular types of Java Software Engineer jobs in Denver, CO are:
What are popular job titles related to Junior Java Software Engineer jobs in Denver, CO? For Junior Java Software Engineer jobs in Denver, CO, the most frequently searched job titles are:
What job categories do people searching Junior Java Software Engineer jobs in Denver, CO look for? The top searched job categories for Junior Java Software Engineer jobs in Denver, CO are:
What cities near Denver, CO are hiring for Junior Java Software Engineer jobs? Cities near Denver, CO with the most Junior Java Software Engineer job openings:
SR Java Software Developer - Space Domain

SR Java Software Developer - Space Domain

Peraton

Aurora, CO • On-site

$112K - $179K/yr

Full-time

PTO

Re-posted 15 days ago


Peraton rating

8.3

Company rating: 8.3 out of 10

Based on 56 frontline employees who took The Breakroom Quiz

42nd of 210 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.EEOEEO: Equal opportunity employer, including disability and protected veterans, or other characteristics protected by law.Employment Type: FULL_TIME

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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