Top 13 Java developer/contractor Jobs in Colorado

JAVA Developer (Local candidates only) $70.00
Calance US —Denver, CO
- $70 - $78 an hour
- Contract
- Hybrid work
- Office
- JavaScript
- In-person
- AD&D insurance
- Disability insurance
Sr. Java Developer
Apollo Technology Solutions LLC —Denver, CO
- Contract
- JavaScript
- Senior level
- HTML
Quick Apply
Staff Software Engineer, Salesforce
DAT —Denver, CO
- $195,000 - $221,000 a year
- Hybrid work
- Azure
- Computer Science
- Java
- Health savings account
- AD&D insurance
Cleared Software Engineer
General Atomics —Aurora, CO
- $98,100 - $171,398 a year
- Full-time
- Azure
- Computer Science
- Office
- Relocation assistance
Full Stack Developer
Dark Wolf Solutions —Colorado Springs, CO
- $155,000 - $180,000 a year
- Full-time
- Hybrid work
- Computer Science
- 3 years
- Java
Quick Apply
Software Engineer Staff - End-to-End Sim, Space Protection Programs
Lockheed Martin Corporation —Littleton, CO
- $113,900 - $200,905 a year
- Full-time
- Azure
- 5 years
- Java
- Paid jury duty
- Paid holidays
Technical Instructor - Contract
Develop Intelligence —Lafayette, CO
- Contract
- Remote
- Java
- Senior level
- AI
Quick Apply
Staff / Sr Staff C++ Software Engineer
SciTec —Boulder, CO
- $102,000 - $157,000 a year
- Full-time
- Computer science
- Computer Science
- Mid-level
- Profit sharing
- Paid parental leave
Quick Apply
C2BMC Global Algorithm Engineer - Secret Clearance
Lockheed Martin Corporation —Colorado Springs, CO
- $89,300 - $157,550 a year
- Part-time
- System design
- Java
- Conflict management
- Paid jury duty
- Paid holidays
C++ Senior Staff/Senior Software Engineer
SciTec —Boulder, CO
- $120,000 - $175,000 a year
- Computer science
- Computer Science
- Office
- Profit sharing
- Paid parental leave
Quick Apply

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JAVA Developer (Local candidates only) $70.00

Calance US -
Denver, CO

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Job Details

Contract
$70 - $78 an hour

Benefits

AD&D insurance
Disability insurance
Health insurance
Dental insurance
401(k)
Vision insurance

Qualifications

Spring Boot
Version control
CSS
Infrastructure as Code (IaC)
AI tools proficiency
Amazon ECS
Development environments
JavaScript
Developing and maintaining backend systems
Front-end component implementation
JSON
Cloud automation
Cloud solution engineering
Back-end integration
DevOps automation
Developer tools
GitLab
HTML

Full Job Description

FOR IMMEDIATE DETAILS about this position, please feel free to contact EITHER of US and REFERENCE the JOB#:

MICHELL CASEY: (800) 732-4680 x715 or [email protected]
TRENT CASEY: (949) 558-4246 or [email protected]

=======================================================
- - We will NOT accept 3rd Party (C2C) Contractors - -
=======================================================

JOB DETAILS:
Position: Sr. Java Developer
JOB REF#: 44668 - SB26-149-DEV
Duration: 12 Months (Contract)
Location: HYBRID - DENVER, CO 80290
Pay Rate: $70.00 (W2 only) or $78.00 (INCORPORATED), (Not accepting 1099 or C2C)

HYBRID: We will NOT consider candidates willing to relocate - LOCAL CANDIDATES ONLY!!

Must work ONSITE every Tuesday / HOURS: MON-FRI 8am - 5:00pm (MST)

Java Developer Contractor to support the design, development, and maintenance of web applications, backend services, and cloud-based solutions. This role is ideal for someone who is comfortable working across the Java/Spring ecosystem, building REST APIs, integrating with AWS services, and contributing to modern CI/CD-driven development workflows.

RESPONSIBILITIES INCLUDE:
Design, develop, test, and maintain Java-based applications using Java SDK 21.
Build and enhance applications using Spring Boot and the broader Spring Framework.
Develop and maintain REST APIs and JSON-based integrations.
Support smaller web applications using Thyme leaf, HTML, CSS, and JavaScript.
Work with AWS-based infrastructure and services, including ECS, API Gateway, and DynamoDB.
Contribute to source control and development workflows using GitLab.
Build, maintain, and troubleshoot GitLab CI/CD pipelines.
Collaborate with team members on application architecture, implementation decisions, code reviews, and deployment practices.
Support infrastructure-as-code efforts, especially where Terraform is used.
Use IntelliJ IDEA as the primary development environment.
Apply sound software engineering practices, including maintainable code design, testing, documentation, and operational awareness.
Where appropriate, leverage AI-assisted coding tools to improve development productivity and code quality.

REQUIRED SKILLS/EXPERIENCE:
- - MUST interview ONSITE - -
5+ years as a Java developer, developing applications in JAVA. Able to comfortably between backend development, lightweight front-end work, cloud-based deployments, and CI/CD workflows.
Experience with Java 21 or recent versions of the Java SDK.
Experience with AWS, GitLab pipelines, Terraform, and AI-assisted coding tools is highly valued.
TECHNICAL EXPERIENCE: Java SDK 21, Spring Boot / Spring Framework, Thymeleaf, REST APIs, JSON, HTML / CSS / JavaScript, AWS, including ECS, API Gateway, and DynamoDB, GitLab repositories, GitLab CI/CD pipelines, Terraform, IntelliJ IDEA,
and AI-assisted coding tools, including exploration of Claude Code
Solid experience with Spring Boot and Spring-based application development.
Experience designing, building, and consuming REST APIs.
Strong working knowledge of JSON and API integration patterns.
Familiarity with front-end technologies including HTML, CSS, and JavaScript.
Experience using Git-based source control, preferably GitLab.
Experience working with CI/CD pipelines, preferably GitLab CI/CD.
Practical experience developing, deploying, or supporting applications in AWS.

DESIRED/PREFERRED SKILLS:
Experience with Thymeleaf for server-side templating.
Hands-on experience with AWS services such as: Amazon ECS: Amazon API Gateway and Amazon DynamoDB
Familiarity with Terraform or other infrastructure-as-code tools.
Experience using IntelliJ IDEA in a professional development environment.
Familiarity with AI-assisted development tools such as Claude Code, GitHub Copilot, Cursor, or similar tools.
Experience troubleshooting cloud deployments, application logs, build pipelines, and environment related issues.
Understanding of secure coding practices and cloud application security concepts.

==========================================
==========================================

Calance Consultant Benefits Offerings:

EPO/PPO Medical Plans
HMO/PPO Dental programs

- Vision - VSP (Vision Plan Summary)

401K Retirement vesting program (VOYA)
Paid Bi-Weekly/Direct Deposit
Flex Spending Plan
Voluntary Life, AD&D, STD or LTD plans

Apply Now

Refine Your Search

java developer/contractor jobs in colorado

JAVA Developer (Local candidates only) $70.00

Sr. Java Developer

Staff Software Engineer, Salesforce

Cleared Software Engineer

Full Stack Developer

Software Engineer Staff - End-to-End Sim, Space Protection Programs

Technical Instructor - Contract

Staff / Sr Staff C++ Software Engineer

C2BMC Global Algorithm Engineer - Secret Clearance

C++ Senior Staff/Senior Software Engineer

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