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Freelance Remote Full Stack Web Developer Jobs in Colorado

.NET Developer

Denver, CO · Remote

$49.75 - $65.50/hr

100% remote contracting position after the onboarding day (must go onsite for onboarding ... Full stack application development experience and experience mentoring/assisting junior team ...

Senior Software Engineer

Denver, CO · On-site +1

$126.10K - $166.20K/yr

... remote work while our core is located in Colorado. You will be a full stack developer with the ability to go deepwith object oriented technology. Patterns, design and architecture will be essential ...

Sr Software Engineer - Accounting

CO · On-site +1

$126.10K - $166.20K/yr

We support fully remote work, but we have very nice offices in Santa Barbara, CA and San Diego, CA ... full-stack software engineer. * Hands-on work/internship experience developing web-based ...

Java Developer Specialist

Denver, CO · On-site +1

$52.50 - $68/hr

Understanding of web technologies for full-stack roles * Experience with build tools and version ... Role is remote Preferred * Strong desktop skills including Word, Excel, PowerPoint * Work ...

Java Developer Specialist

Colorado Springs, CO · On-site +1

$50.25 - $65/hr

Understanding of web technologies for full-stack roles * Experience with build tools and version ... Role is remote Preferred * Strong desktop skills including Word, Excel, PowerPoint * Work ...

Contribute effectively to the code base across the full stack and lead by example * Coach others to ... Experience in web-based application development * Strong understanding of SOLID principles and ...

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Freelance Remote Full Stack Web Developer information

What are the most commonly searched types of Remote Full Stack Web Developer jobs in Colorado? The most popular types of Remote Full Stack Web Developer jobs in Colorado are:
AI Automation Engineer (Freelance, Remote)

AI Automation Engineer (Freelance, Remote)

Outlier AI

Denver, CO • Remote

Full-time

This job post has expired 1 day ago. Applications are no longer accepted.


Job description

About the Project

Outlier helps the world’s most innovative companies improve their AI agents by providing human feedback. Do you want to shape the future of autonomous agents like OpenClaw?

We collaborate with leading AI organizations to train Large Language Models (LLMs) to function as proactive, multi-step agents. Our projects focus on teaching these systems how to design, coordinate, and optimize complex, real-world architectural workflows.

Whether you are a passionate orchestration guru or experienced software developer — we want you to help us train the world's most advanced generative systems.

Ideal Qualifications

  • 2+ years of experience in backend engineering, AI automation, or complex systems integration.
  • Proven ability to build and maintain production-grade software with modular separation (e.g., distinct services for data parsing, logic processing, and reporting).
  • Strong command of at least two major languages (e.g., Python, JavaScript, Go, or Java) and experience working with SQL databases.
  • Practical experience building for live, non-mocked environments and handling multi-turn system interactions.
  • Outstanding attention to detail and the ability to provide clear, high-density technical feedback on complex system behaviors.

Nice to have

  • Expertise building multi-stage coordination tasks where data acquisition leads to reasoned output.
  • Hands-on experience integrating agents with live tools such as Supabase, Gmail, and various APIs to solve real-world problems.
  • High level of comfort implementing persistent state and session discovery using MEMORY.md to track agent progress.
  • Experience identifying subtle failures like privacy leaks, authority escalation, or indirect prompt injections.