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Freelance Remote Java Engineer Jobs in Chicago, IL

Xlysi

Sr. Java Developer | Remote | USC/GC |

Chicago, IL · Remote

$59 - $75.25/hr

Title: Sr. Java Developer Location: remote 5+ years of professional backend development experience Strong proficiency in Java (Java 11+ preferred) Deep experience with Spring Boot and the Spring ...

Xlysi LLC

Sr. Java Developer | Remote | USC/GC |

Chicago, IL · On-site +1

$59 - $75.25/hr

Title: Sr. Java Developer Location: remote 5+ years of professional backend development experience Strong proficiency in Java (Java 11+ preferred) Deep experience with Spring Boot and the Spring ...

Deloitte

Java Developer Specialist

Arlington Heights, IL · On-site +1

$51 - $66/hr

Role is remote Preferred * Strong desktop skills including Word, Excel, PowerPoint * Work ... As an experienced Java Developer Specialist, you will have the ability to share new ideas and ...

Deloitte

Java Developer Specialist

Chicago, IL · On-site +1

$52.50 - $68/hr

Role is remote Preferred * Strong desktop skills including Word, Excel, PowerPoint * Work ... As an experienced Java Developer Specialist, you will have the ability to share new ideas and ...

Catylist

Java/Web Developer

Chicago, IL · On-site +1

Consulting/freelance is not your bag. You prefer to maintain and improve the products you've built ... This is a full-time, 40 hours per week, remote, W2 position with benefits (health/dental/vision ...

Deloitte

Senior Java Developer

Arlington Heights, IL · On-site +1

$57.25 - $73/hr

Role is remote Preferred * Strong desktop skills including Word, Excel, PowerPoint * Work ... As an experienced Java Developer Sr. Consultant, you will have the ability to share new ideas and ...

Deloitte

Senior Java Developer

Chicago, IL · On-site +1

$59 - $75.25/hr

Role is remote Preferred * Strong desktop skills including Word, Excel, PowerPoint * Work ... As an experienced Java Developer Sr. Consultant, you will have the ability to share new ideas and ...

SPLICE

Senior Java Developer

Chicago, IL · Remote

$59 - $75.25/hr

Company Description This is a fully remote position. The Senior Java Developer (Services Engineer Senior) is for the platform development team who will be responsible for all improvements and ...

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How much do freelance remote java engineer jobs pay per hour?

As of May 30, 2026, the average hourly pay for freelance remote java engineer in Chicago, IL is $62.25, according to ZipRecruiter salary data. Most workers in this role earn between $51.25 and $70.34 per hour, depending on experience, location, and employer.
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Freelance Remote Java Engineer jobs near you
Agentic AI Engineer (Freelance, Remote)

Agentic AI Engineer (Freelance, Remote)

Outlier AI

Chicago, IL • 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.

Apply