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Senior Java Backend Developer Jobs in Littleton, CO

InstantServe LLC

Java Developer

Denver, CO · On-site

$52.50 - $68/hr

... 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 ...

DPG Solutions LLC

Java Software Engineer

Aurora, CO · On-site

$52.50 - $72.25/hr

Mid - Senior Java Software Engineer Key Responsibilities: * Design, develop, test, deliver, and maintain software for cutting-edge satellite ground systems. * Collaborate with talented teams of ...

DPG Solutions LLC

Java Software Engineer

Aurora, CO

$52.50 - $72.25/hr

Mid - Senior Java Software Engineer Key Responsibilities: * Design, develop, test, deliver, and maintain software for cutting-edge satellite ground systems. * Collaborate with talented teams of ...

DPG Solutions LLC

Java Software Engineer

Aurora, CO · On-site

Mid - Senior Java Software Engineer Key Responsibilities: * Design, develop, test, deliver, and maintain software for cutting-edge satellite ground systems. * Collaborate with talented teams of ...

DPG Solutions LLC

Java Software Engineer

Aurora, CO · On-site

$150K - $250K/yr

Mid - Senior Java Software Engineer Key Responsibilities: * Design, develop, test, deliver, and maintain software for cutting-edge satellite ground systems. * Collaborate with talented teams of ...

Artech Information System LLC

Java Developer

Denver, CO

$52.50 - $68/hr

Backend Java Developer * Spring * NoSQL/MySQL * Cassandar (plus) * Candidates with the soft skills (passionate, pro-active, personable) Additional Information Prashant Sharma, Recruitment Specialist ...

Leidos

Mid-Level Backend Software Engineer

Aurora, CO · On-site

They are seeking a Mid-Level Backend Software Engineer to design, develop, and maintain backend ... Design, develop, test, and maintain backend application components using Java or Python • REST ...

Cymertek

C / C++ / Java Software Developer

Aurora, CO · On-site

$50 - $67.25/hr

... Backend Developer, Full Stack Developer, Systems Developer, Application Developer, Embedded Software Developer, Java Developer, C++ Developer, C Developer, Senior Software Developer, Software ...

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, Application Developer, Java Application Developer, Web Developer, Enterprise Software Engineer ...

SitusAMC

Sr Software Developer - JAVA

Denver, CO · On-site

$150K - $200K/yr

... backend code. This role will be heavily involved in design and should be comfortable adapting to ... Strong grasp of object-oriented programming and relational database concepts * Expert proficiency ...

Cymertek

Software Engineer (Java, MASH, Linux)

Aurora, CO · On-site

$52.75 - $72.25/hr

... Backend Developer, Full Stack Developer, Application Developer, Java Software Engineer, MASH Developer, etc. DEGREE (Level Desired) Bachelor's Degree DEGREE (Focus) Computer Science, Software ...

Cymertek

Software Engineer (Java, AWS, Linux)

Aurora, CO · On-site

$52.75 - $72.25/hr

Software Engineer (Java, AWS, Linux) LOCATION Aurora, CO 80014 CLEARANCE TS/SCI Full Poly (Please ... Developer, Backend Developer, Full Stack Developer, Cloud Software Engineer, Systems Engineer ...

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All JobsJava Backend Developer JobsSenior Java Backend Developer JobsSenior Java Backend Developer Jobs in Littleton, CO

Senior Java Backend Developer information

See Littleton, CO salary details

$64.1K

$140.1K

$190.8K

How much do senior java backend developer jobs pay per year?

As of Aug 7, 2026, the average yearly pay for senior java backend developer in Littleton, CO is $140,073.00, according to ZipRecruiter salary data. Most workers in this role earn between $120,700.00 and $156,800.00 per year, depending on experience, location, and employer.

What is a senior Java backend developer?

A Senior Java Backend Developer is responsible for designing, implementing, and maintaining the server-side logic of applications using Java. They work with databases, APIs, and cloud services to ensure high performance and scalability. Additionally, they collaborate with front-end developers, DevOps teams, and business stakeholders to deliver robust and secure solutions. Seniors are expected to mentor junior developers and contribute to architectural decisions and best practices.

What are the typical daily responsibilities of a senior Java backend developer?

Senior Java Backend Developers usually spend their days designing and implementing backend components, reviewing code, and optimizing system performance. You may take part in architecture discussions, mentor junior developers, and troubleshoot complex technical issues. Collaboration with front-end developers, QA testers, and project managers is frequent to ensure seamless integration and successful product delivery. Additionally, you might be responsible for maintaining system documentation and keeping up-to-date with new technologies relevant to backend development. Overall, the role combines hands-on coding with leadership and cross-functional teamwork.

What are the key skills and qualifications needed to thrive in the senior Java backend developer position, and why are they important?

To thrive as a Senior Java Backend Developer, you need deep knowledge of Java, object-oriented design, RESTful APIs, and database systems, typically backed by a degree in computer science or related field and several years of relevant experience. Expertise in frameworks like Spring, ORM tools such as Hibernate, version control systems like Git, and, often, certifications such as Oracle Certified Professional Java Programmer are valued. Strong problem-solving, leadership, and clear communication skills help in mentoring junior developers and collaborating across teams. These competencies ensure robust, scalable backend solutions and effective team coordination in complex software projects.

What are popular job titles related to Senior Java Backend Developer jobs in Littleton, CO? For Senior Java Backend Developer jobs in Littleton, CO, the most frequently searched job titles are:
What job categories do people searching Senior Java Backend Developer jobs in Littleton, CO look for? The top searched job categories for Senior Java Backend Developer jobs in Littleton, CO are:
What cities near Littleton, CO are hiring for Senior Java Backend Developer jobs? Cities near Littleton, CO with the most Senior Java Backend Developer job openings:
Senior Java Backend Developer jobs near you
Infographic showing various Senior Java Backend Developer job openings in Littleton, CO as of August 2026, with employment types broken down into 79% Full Time, 3% Part Time, and 18% Contract. Highlights an 81% Physical, 4% Hybrid, and 15% Remote job distribution, with an average salary of $140,073 per year, or $67.3 per hour.

Java Developer

InstantServe LLC

Denver, CO • On-site

$52.50 - $68/hr

Full-time

Re-posted 20 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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