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Posted 11 Sept 2025

Senior Software Engineer

We are seeking experienced Software Engineers to help create data for training AI agents across a wide range of technologies and programming languages, including JavaScript, Python, Go, C++, Ruby, and more.

6 eligible countries · 2 eligible regions$70–$100 per hour
Hiring companyStellar AI
Application processN/ANo approved reviews yet
Work experienceN/ANo approved reviews yet

About the role

This is an open-ended contract opportunity, structured around project-based work with no set schedules or minimum time or task commitments. Contributors who work with us decide which available projects they’d like to work on, when they work, and how much they contribute, which makes it an excellent option for those seeking flexible and high-impact work.

In this role, you will help advance AI research by understanding complex systems, exploring large codebases, and developing approaches to verify the correctness of software behavior.

Responsibilities

  • Rapidly build context in large, multi-module codebases.
  • Analyze feature implementations for correctness and edge cases.
  • Produce clear, structured documentation of findings and rationale.

Required skills

  • Excellent written communication skills.
  • Ability to clearly explain complex technical concepts.

Experience and education

  • Bachelor's degree in Computer Science or a related field.
  • At least 4 years of experience as a Software Engineer.

Schedule details

Looking for a stable source of contract work? On this project we offer a "Guaranteed Hours" contract option where we guarantee at least 20h/week being available each week for 6 months.

Option to move to a 20h per week Guaranteed Hours contract.

Eligibility

Work arrangement: Fully remote

Applicant eligibility: 6 eligible countries · 2 eligible regions

View all 8 eligible locations

Eligible countries: United States, United Kingdom, Canada, Mexico, Australia, New Zealand

Eligible regions: Europe, South America

  • Remote - open to candidates in the US, UK, Canada, Europe, Mexico, South America, Australia, and New Zealand.

Compensation details

$70–$100 per hour.

  • $600 qualification bonus (paid upon passing the qualification).
  • $70-$100 per hour after passing the qualification (depending on the role).
More about the hiring companyStellar AI
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