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Freelance International Javascript Developer Jobs

Alignerr

JavaScript Developer What if your JavaScript expertise could directly shape how AI writes and ... Freelance autonomy with the structure of meaningful, task-based work * Make a direct, tangible ...

Alignerr

Frontend JavaScript Developer What if your JavaScript expertise could directly shape how AI writes ... Freelance autonomy with the structure of meaningful, task-based work * Make a direct, tangible ...

Outlier AI

JavaScript Developer Remote

Panama City, FL · Remote

We've built a best-in-class remote work platform for our freelance contributors to provide valuable ... Java, JavaScript, or C++. * Language Skills: Ability to explain complex programming concepts ...

Outlier AI

JavaScript Developer Remote

We've built a best-in-class remote work platform for our freelance contributors to provide valuable ... Java, JavaScript, or C++. * Language Skills: Ability to explain complex programming concepts ...

galaxyitechnologies

Javascript Developer

Chicago, IL · On-site

Javascript Developer CHICAGO IL 24-MONTHS+, OR CTH The position is to maintain and enhance a NodeJS ... starting international deployment - if anyone has experience with internationalization of ...

Alignerr

JavaScript Engineer (AI Training) What if your JavaScript expertise could directly influence how AI ... Freelance autonomy with the structure of meaningful, task-based work * Make a direct, tangible ...

Djinni

Full-Stack JavaScript Developer

Nashville, TN · Remote

We are seeking a passionate and skilled Full-Stack JavaScript Developer with at least 5 years of ... We actively give back to the community through various CSR activities and adhere to international ...

Alignerr

Freelance autonomy with the structure of meaningful, task-based engineering work * Make a direct, tangible impact on how AI understands and generates JavaScript code * Potential for ongoing work and ...

Outlier AI

JavaScript Software Developer Remote

We've built a best-in-class remote work platform for our freelance contributors to provide valuable ... Java, JavaScript, or C++. * Language Skills: Ability to explain complex programming concepts ...

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How much do freelance international javascript developer jobs pay per year?

As of May 28, 2026, the average yearly pay for freelance international javascript developer in the United States is $106,583.00, according to ZipRecruiter salary data. Most workers in this role earn between $66,000.00 and $128,000.00 per year, depending on experience, location, and employer.
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Freelance International Javascript Developer jobs near you
Infographic showing various Freelance International Javascript Developer job openings in the United States as of May 2026, with employment types broken down into 1% Internship, 3% As Needed, 4% Full Time, 88% Part Time, 1% Temporary, and 3% Contract. Highlights an 56% Physical, 4% Hybrid, and 40% Remote job distribution, with an average salary of $106,583 per year, or $51.2 per hour.

JavaScript Developer

Alignerr

Remote

Full-time

This job post has expired today. Applications are no longer accepted.

Job description

JavaScript Developer

What if your JavaScript expertise could directly shape how AI writes and understands code for millions of developers around the world? We're looking for experienced JavaScript developers to evaluate and improve AI-generated code — ensuring it's correct, efficient, and written to the standards real engineers expect.

This is a fully remote, flexible contract role. No AI background needed — just deep JavaScript knowledge and a sharp eye for code quality.

  • Organization: Alignerr
  • Type: Hourly Contract
  • Location: Remote
  • Commitment: 10–40 hours/week

What You'll Do

  • Review and evaluate AI-generated JavaScript code for correctness, efficiency, and adherence to modern ES6+ standards
  • Write high-quality JavaScript solutions to problems spanning a range of difficulty levels
  • Craft clear, human-readable explanations of code logic and problem-solving approaches
  • Identify edge cases, bugs, and failure points in AI-generated web and backend code
  • Provide structured, actionable feedback that directly improves how AI models write and reason about code
  • Work independently and asynchronously — fully on your own schedule

Who You Are

  • Deep familiarity with core JavaScript concepts — async/await, closures, prototypal inheritance, DOM manipulation, and more
  • 3–5 years of hands-on experience with modern frameworks such as React, Node.js, or Vue
  • Comfortable writing clean, well-reasoned code and explaining your thinking clearly in writing
  • Naturally detail-oriented with a systematic approach to spotting what's wrong and why
  • Self-motivated and reliable when working independently without supervision
  • Bachelor's degree or higher in Computer Science or a related technical field preferred

Nice to Have

  • Experience with data labeling, RLHF, or other AI training or evaluation projects
  • Familiarity with TypeScript or other JavaScript-adjacent technologies
  • Background in code review, technical writing, or software quality assurance
  • Exposure to backend JavaScript environments and RESTful API development

Why Join Us

  • Work on cutting-edge AI projects alongside leading research labs
  • Fully remote and flexible — work when and where it suits you
  • Freelance autonomy with the structure of meaningful, task-based work
  • Make a direct, tangible impact on how AI understands and writes JavaScript
  • Potential for ongoing work and contract extension as new projects launch

Apply now

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