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Freelance Java Backend Developer Jobs in Fort Collins, CO

BillGO, Inc.

Staff Engineer - AI

Fort Collins, CO

Strong proficiency in one or more backend languages (Java, C#, Python). * Deep understanding of ... Feature engineering and data quality * Monitoring and operating ML models (MLOps) * Experience with ...

BillGO, Inc.

Staff Engineer - AI

Fort Collins, CO · On-site

$151K - $225K/yr

Strong proficiency in one or more backend languages (Java, C#, Python). * Deep understanding of ... Feature engineering and data quality * Monitoring and operating ML models (MLOps) * Experience with ...

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Freelance Java Backend Developer information

See Fort Collins, CO salary details

$9

$54

$72

How much do freelance java backend developer jobs pay per hour?

As of Jul 23, 2026, the average hourly pay for freelance java backend developer in Fort Collins, CO is $54.08, according to ZipRecruiter salary data. Most workers in this role earn between $48.08 and $62.36 per hour, depending on experience, location, and employer.
What are the most commonly searched types of Java Backend Developer jobs in Fort Collins, CO? The most popular types of Java Backend Developer jobs in Fort Collins, CO are:
Freelance Java Backend Developer jobs near you

Full-Stack Developer

Arobas Personnel Inc.

Longmont, CO • Remote

Temporary

Posted 21 days ago

Job description


Arobas Personnel is currently seeking a Full-Stack Developer for a contract opportunity with one of our clients. Remote (Eastern or Central Time Zones) | Open to US & Canada Candidates.

*100% Remote*

Position Overview

As a Full-Stack Developer, you will be responsible for designing, developing, and maintaining both front-end and back-end components of web applications. You will play a key role in delivering scalable, high-performance solutions while ensuring optimal user experience and system reliability.

This role requires the ability to work across the full development lifecycle, from concept to deployment, and to stay current with modern web technologies, including JavaScript and React.

Key Responsibilities

  • Develop and maintain front-end architecture and user-facing features
  • Design and implement user interactions for web applications
  • Build and maintain back-end services and applications
  • Create and manage servers and databases to support application functionality
  • Ensure cross-platform compatibility and mobile optimization
  • Ensure application responsiveness and performance
  • Collaborate with designers to implement UI/UX requirements
  • Deliver end-to-end solutions, from concept to final product
  • Design and develop APIs for system integrations
  • Ensure solutions meet both technical and business requirements
  • Stay up to date with emerging technologies and industry trends

Required Skills & Experience

  • Strong experience with Java (Spring, Spring Boot, MVC)
  • Proficiency in front-end technologies: HTML, JSP, JavaScript, jQuery
  • Experience with Wildfly application server
  • Advanced knowledge of PostgreSQL and SQL
  • Experience with AWS ECS
  • Familiarity with MoveIt Automation
  • Experience with batch scheduling tools (Quartz, Cron, etc.)
  • Experience with monitoring tools such as New Relic
  • Experience with CI/CD pipelines (Jenkins, Ansible)

Nice to Have (Optional)

  • Experience with HP Nonstop Cobol85
  • Experience with HP Nonstop C

Familiarity with HP Nonstop system procedure calls

Employment Type: Temps Plein

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