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Stellar AI
Senior Software Engineer

Senior Software Engineer

Remote

European union, Canada

$ 70 /hour

Senior

Freelance

09-12-2025

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Skills

Communication Python JavaScript Ruby Go Research Training Programming C++

Job Specifications

Location

Fully remote: open to candidates in Canada as well as North America more broadly, Europe, the UK, South America, Australia, and New Zealand.

About the Role

Stellar AI is seeking experienced Software Engineers to contribute to projects across a wide range of technologies and programming languages, including JavaScript, Python, Go, C++, Ruby, and more.

This is an open-ended contract opportunity, structured around project-based work with no set schedules or minimum time / 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.

Compensation

70 USD per hour after passing the qualifications

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

Requirements

Bachelor's degree in Computer Science or a related field
2+ years of experience as a Software Engineering
Excellent written communication skills
Ability to clearly explain complex technical concepts

About Stellar AI

We offer flexible, project-based work in data annotation and AI training. Our platform is designed for self-service. You can control your workflow, access resources as needed, and build valuable experience in the growing AI industry at your own pace.

Whether you're seeking supplemental income, hands-on experience with AI, or engaging challenges in a fast-growing field, Stellar gives you the flexibility to meaningfully contribute to creating the next generation of AI technology on your own terms.

About the Company

We help professionals with advanced degrees apply their expertise to the development of artificial intelligence. Through flexible, project-based opportunities, we connect skilled contributors with meaningful AI work— offering freedom, impact, and the ability to participate on your own terms. Know more