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Freelance Remote Java Engineer Jobs in Colorado (NOW HIRING)

Some scripting experience, ideally with Java or JavaScript/Python * Ability to design deployment ... Department Sales Locations Denver, New York Remote status Fully Remote

Principal Software Engineer

Broomfield, CO · On-site +1

$225K - $270K/yr

Denver, CO preferred (Hybrid) | Open to remote with quarterly travel About FusionAuth FusionAuth is ... Strong Java skills. FusionAuth's core application is Java-based. * Communication Style: Strong ...

Principal Software Development Engineer

Denver, CO · On-site +1

$139K - $186K/yr

Principal Software Development Engineer | REMOTE | US Travel obsessed? Big tech fan? Hey, you're in ... Preferred experience Java and Spring Boot experience, especially where the role supports ...

Sr. Build & Release Engineer

Denver, CO · On-site +1

$119K - $179K/yr

... remote within the Greater Boston Area. Ready to take your career global? Make your mark at one of ... Strong Java and scripting (Bash, Python) skills * Experience withCI/CDpipelines * Solid knowledge ...

Sr. Machine Learning Software Engineer

Denver, CO · On-site +1

$126K - $166K/yr

While we are mostly a remote company, travel is required for some team meetings and cross function ... Proficiency in Python (required), Java, or similar , with software engineering best practices for ...

... Java, Go, and Python). * Experience with event-driven architecture (e.g., Kafka, RabbitMQ, Kinesis ... This is a remote opportunity, but candidates must reside near one of our hub locations for ...

... Java, Go, and Python). * Experience with event-driven architecture (e.g., Kafka, RabbitMQ, Kinesis ... This is a remote opportunity, but candidates must reside near one of our hub locations for ...

Remote Principal Software Engineer - Data Architecture and Engineering US-based only | No visa ... in Python, Java, JavaScript/TypeScript, or C# · AWS data services (RDS, Aurora, Redshift ...

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Freelance Remote Java Engineer information

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Infographic showing various Freelance Remote Java Engineer job openings in Colorado as of June 2026, with employment types broken down into 81% Full Time, 14% Part Time, and 5% Contract. Highlights an 37% Physical, 2% Hybrid, and 61% Remote job distribution.

Full-Stack Developer

Arobas Personnel Inc.

Longmont, CO • Remote

Temporary

Posted 25 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