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Freelance Remote Mobile Developer Jobs in Illinois

Consulting/freelance is not your bag. You prefer to maintain and improve the products you've built rather than hand them off and move on. This is a full-time, 40 hours per week, remote, W2 position ...

Remote Devops Engineer

Chicago, IL · Remote

$54.25 - $74.50/hr

... mobile-based applications and web based application development. We are emerging as one of the ... Work in a DevOps model to define, develop, maintain and support products * Define and conform to ...

Remote, M-F 8:00 AM-5:00 PM with calls across all time zones for 24/7 support Travel Requirements ... Oversee JLL Mobile Engineering performance and ensure resources are effectively supporting client ...

Contract Spatial Designer

Chicago, IL · On-site +1

$55 - $85/hr

This position is based in Chicago and will involve a combination of remote and in-office work. This ... SUMMARY The Contract Spatial Designer is a part-time/freelance position in the creative department ...

Staff Site Reliability Engineer

Chicago, IL · On-site +1

$160K - $210K/yr

... mobile, and desktop deployments What you'll need: * 8+ years of experience in DevOps, Site ... We are not open to remote candidates for this role Hybrid: For Chicago-based employees, we follow a ...

We are seeking a highly skilled Staff Software Engineer responsible for mobile application ... Strong communication and collaboration skills, with the ability to work effectively in a remote ...

Freelance · Hourly rate: US$20.30 · Language: English (US) · Location: Remote · Estimated ... Mobile devices are not supported. Hiring in: Alabama, Arizona, Florida, Colorado, Georgia ...

Showing results 21-40

Freelance Remote Mobile Developer information

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For Freelance Remote Mobile Developer jobs in Illinois, the most frequently searched job titles are:

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Infographic showing various Freelance Remote Mobile Developer job openings in Illinois as of August 2026, with employment types broken down into 50% Temporary, and 50% Contract. Highlights an 100% Remote job distribution.

Copy of Senior Lua Developer (Roblox) - AI Code Evaluation

Lifted, an Upwork Company™

Chicago, IL • Remote

$60/hr

Contractor

Re-posted 7 days ago


Job description

Company Description

An enterprise client is seeking experienced Lua Developers to support AI model training through technical evaluations, scripting tasks, and code quality reviews. This opportunity is ideal for developers who have strong Lua programming skills and experience building or scripting within the Roblox ecosystem.

The client partners with leading AI organizations to improve the quality of next-generation AI models by leveraging the expertise of experienced software developers. Selected freelancers will help evaluate AI-generated code, review programming solutions, and contribute to the development of high-quality training data used to advance generative AI technologies.

    Job Description

    This opportunity is ideal for experienced Lua programmers who enjoy solving technical challenges, reviewing code, and improving software quality.

    What You'll Do:

    • Review, analyze, and evaluate Lua code for accuracy, quality, and best practices.
    • Complete technical evaluations and scripting-related tasks involving Lua programming.
    • Identify bugs, performance issues, and opportunities to improve existing code.
    • Develop and modify Lua scripts based on project requirements.
    • Apply strong programming fundamentals, including modular design, data structures, and debugging techniques.
    • Work with Roblox Studio and Roblox development environments where applicable.
    • Contribute to AI model training by providing high-quality technical feedback and code evaluations.
    • Collaborate with the client's AI evaluation platform while following detailed project guidelines.
    Qualifications

    Requirements:

    • Advanced proficiency in Lua programming, including scripting, debugging, and code optimization.
    • Hands-on experience using Roblox Studio and/or developing applications or games on the Roblox platform.
    • Strong understanding of programming fundamentals, including data structures, functions, modular programming, and performance optimization.
    • Ability to independently review, analyze, and improve existing Lua code.
    • Professional working proficiency in English with strong written communication skills.
    • Ability to work independently and follow detailed technical instructions.

    Nice to Haves:

    • Experience developing Roblox games or interactive experiences.
    • Experience reviewing code or conducting technical quality assurance.
    • Familiarity with software testing, debugging, and code optimization techniques.
    • Experience contributing to AI, machine learning, or code evaluation projects.
    Additional Information
    • Fully remote, project-based opportunity.
    • Up to $60/hour, depending on project availability.
    • Expected workload ranges from 10-39 hours per week, although work volume may fluctuate.
    • Weekly lump-sum payments for work completed during the previous week.
    • Qualified candidates will receive an Upwork contract offer along with onboarding instructions.
    • Candidates who successfully complete the initial survey will be invited to a paid technical evaluation (approximately 2-3 hours). Approved evaluations will receive a $150 payment.
    • To begin onboarding and access project tasks, candidates must have an active Upwork contract with the client.
    • Due to the high volume of applicants, the client may not be able to respond to individual inquiries.