Senior Full Stack JavaScript Developer

keystone recruitment โ€ข Canada
Remote
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AI Summary

Review production-grade code, evaluate AI outputs, and set engineering standards. Create technical training content and improve AI models. 3+ years of full stack development experience required.

Key Highlights
Code Quality Assessment
Technical Training Content
AI Model Improvement
Key Responsibilities
Review AI-generated full stack code for production readiness
Evaluate maintainability, scalability, and real-world engineering standards
Analyze code quality across full stack development scenarios
Technical Skills Required
JavaScript Python Go Java TypeScript C++ Git
Benefits & Perks
Up to $50 USD/hr
Flexible hours
Remote work
Nice to Have
Backend engineering and server-side scaling experience
TDD experience with PyTest/JUnit/Mocha frameworks
Technical specification and API contract authoring

Job Description


  • Role: JavaScript Developer โ€“ Remote
  • Location: Canada (Remote)
  • Compensation: Up to $50 USD/hr


Role Overview

Review production-grade code, evaluate AI outputs across JavaScript/Python/Go/Java/TypeScript/C++, and set engineering standards. Freelance, fully remote, flexible hours.


Key Responsibilities

Code Quality Assessment

  • Review AI-generated full stack code for production readiness
  • Evaluate maintainability, scalability, and real-world engineering standards
  • Rank solutions across multiple programming languages

Technical Training Content

  • Create/answer questions on software engineering best practices
  • Document debugging strategies, version control workflows
  • Provide expert feedback on collaborative coding practices

AI Model Improvement

  • Analyze code quality across full stack development scenarios
  • Evaluate Git workflows, branching, merging strategies
  • Generate training data for advanced coding AI capabilities


Required Qualifications

  • 3+ years professional full stack development experience
  • Proficiency in 2+ languages: JavaScript/Python/Go/Java/TypeScript/C++
  • Production software building/shipping experience required
  • Strong Git knowledge (branching, merging, collaboration)
  • Excellent technical communication skills


Preferred Qualifications

  • Backend engineering and server-side scaling experience
  • TDD experience with PyTest/JUnit/Mocha frameworks
  • Technical specification and API contract authoring
  • Code review, complex debugging, large codebase analysis
  • Startup founding/early employee experience


Equal Opportunity Employer

All applicants considered without regard to legally protected characteristics. Skills-based hiring only - proven engineering expertise required.


Apply Now!


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