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Coding Expert (US & International)

HumanSignal

AI Expert - Software Engineering Contractor
Remote (Global) Up to $110/hr May 16, 2026

Job description

HumanSignal is seeking Software Engineering Experts to contribute to advanced AI training, code evaluation, and annotation projects focused on improving AI performance in software engineering and technical problem-solving.

This role involves reviewing, annotating, validating, and evaluating code across multiple programming languages, frameworks, and software engineering domains.

Contributors will work on projects involving:

  • Code correctness evaluation
  • Algorithm analysis
  • Software architecture
  • AI-generated code validation
  • Bug detection
  • Security analysis
  • Performance optimization

About HumanSignal

HumanSignal builds infrastructure and tooling for AI training, evaluation, and data curation workflows.

Its open-source platform, Label Studio, is widely used for:

  • Data labeling
  • AI evaluation
  • Multi-modal annotation
  • Agent evaluation workflows

The platform supports:

  • Foundation model training
  • Agent evaluation
  • Continuous feedback pipelines
  • AI system validation

HumanSignal supports hundreds of millions of labeled samples and is used by AI teams globally.

Responsibilities

  • Review and evaluate code for:

    • Correctness
    • Efficiency
    • Best practices
    • Maintainability

  • Annotate:

    • Code logic
    • Algorithms
    • Architectural decisions
    • Implementation approaches

  • Validate AI-generated code across multiple programming languages and frameworks

  • Identify:

    • Bugs
    • Security vulnerabilities
    • Performance bottlenecks
    • Structural issues

  • Provide detailed technical feedback on:

    • Code quality
    • Documentation
    • Software architecture
    • Engineering trade-offs

  • Work on problems involving:

    • Algorithms
    • Data structures
    • System design
    • Software architecture

Required Qualifications

Education

  • Master’s degree required in:

    • Computer Science
    • Software Engineering
    • Computer Engineering
    • Computational Science
    • Information Science
    • Related technical discipline

  • PhD strongly preferred

Technical Qualifications

  • Deep understanding of:

    • Software engineering principles
    • System architecture
    • Development methodologies

  • Proficiency in multiple programming languages

  • Strong:

    • Analytical thinking
    • Problem-solving abilities
    • Attention to detail

  • Ability to clearly explain technical reasoning and trade-offs

  • Experience with:

    • Version control systems
    • Testing frameworks
    • Developer tooling
    • Software development workflows

  • Ability to work independently and meet project deadlines

Work Details

  • Fully remote project-based work
  • Flexible scheduling
  • Variable hours depending on project availability
  • Ongoing training and calibration provided
  • Quality-focused review environment with continuous feedback

Ideal Candidate Profile

Ideal candidates may include:

  • Active software engineers
  • Researchers
  • Professors
  • Technical experts
  • Recent CS or engineering graduates

Strong GitHub profiles, technical portfolios, research backgrounds, or industry software engineering experience are highly valued.

Application Process

Applicants should be prepared to:

  • Submit a CV or resume
  • Provide proof of advanced degree qualifications
  • Complete a coding assessment
  • Participate in a technical qualification review
Apply now

You will be redirected to the company's website to complete your application.

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Frequently asked questions

Is HumanSignal legitimate?
Yes, HumanSignal is a legitimate company listed on RemoWork. We verify all companies on our platform. However, we always recommend doing your own research before sharing personal information or starting work. Check reviews from other users and visit the company's official website for the most up-to-date information.
How do I get started with HumanSignal?
To get started, visit HumanSignal's official website and look for their careers or sign-up page. Create an account, complete your profile with relevant skills and experience, and apply for available positions or projects. Some companies may require you to pass a qualification test or assessment before you can start working.
Does HumanSignal offer remote work?
Yes, HumanSignal offers remote work opportunities. Most tasks and positions can be completed from anywhere with a reliable internet connection and a computer or smartphone. Specific location requirements may vary by project or role, so check individual listings for details.
How does HumanSignal pay its workers?
Payment methods and schedules vary. Common payment options include PayPal, bank transfers, Payoneer, and other digital payment platforms. Visit HumanSignal's official website or check their payment/FAQ section for specific details about payment methods, minimum thresholds, and payout schedules.
What skills do I need to work with HumanSignal?
Required skills vary by role and project. Generally, you'll need a reliable internet connection, basic computer literacy, strong attention to detail, and good communication skills. Some positions may require specialized expertise, language proficiency, or technical qualifications. Check individual job listings for specific requirements.
What is Label Studio?
Label Studio is the most widely adopted open-source data labeling platform for AI/ML, created by HumanSignal. It allows teams to annotate text, audio, images, video, and time-series data with customizable workflows. The open-source version is free on GitHub, while Label Studio Enterprise adds security (SOC2/HIPAA), team collaboration, and advanced quality control.
Does HumanSignal hire remote data annotators?
Yes, HumanSignal maintains a global community of data annotation contributors who work remotely on labeling and evaluation projects. These roles involve reviewing, refining, and labeling data to ensure accuracy and consistency for AI development. The company operates with a flexible working culture.
Was HumanSignal previously called something else?
Yes, HumanSignal was formerly known as Heartex. The company rebranded to HumanSignal to better reflect its mission of embedding human expertise ("human signal") into AI models. The core product, Label Studio, has maintained its name throughout.
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