The client partners with leading AI organizations to improve the quality of next-generation AI models by leveraging the expertise of experienced software developers. Selected freelancers will help ...
The client partners with leading AI organizations to improve the quality of next-generation AI models by leveraging the expertise of experienced software developers. Selected freelancers will help ...
... world of engineering and manufacturing? We are seeking experienced independent translation ... Use highly specialised translation software to encourage efficiency and consistency. * Adhere to ...
... world of engineering and manufacturing? We are seeking experienced independent translation ... Use highly specialised translation software to encourage efficiency and consistency. * Adhere to ...
... world of engineering and manufacturing? We are seeking experienced independent translation ... Use highly specialised translation software to encourage efficiency and consistency.Adhere to ...
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Freelance Software Developer information
See Ottawa, ON salary details
$24.8K - $57.2K
20% of jobs
$62.6K is the 25th percentile. Wages below this are outliers.
$57.2K - $89.5K
31% of jobs
$116.2K is the 75th percentile. Wages above this are outliers.
$89.5K - $121.9K
29% of jobs
$121.9K - $154.3K
15% of jobs
$154.3K - $186.7K
4% of jobs
$186.7K - $219.1K
0% of jobs
$219.1K - $251.5K
0% of jobs
$251.5K - $283.9K
0% of jobs
$283.9K - $316.3K
0% of jobs
$316.3K - $348.7K
0% of jobs
$348.7K - $381K
1% of jobs
$24.8K
$107.8K
$381K
How much do freelance software developer jobs pay per year?
What is a freelance software developer?
What are the key skills and qualifications needed to thrive as a freelance software developer?
How to become a freelance software developer?
Making the transition to working as a freelance software developer entails having extensive knowledge of and experience with several programming languages, ideally those that are in-demand like Java and Python. While you may have expertise in one area, having skills in multiple software technologies can help you find and accept more jobs as you get started. Because you’re working freelance, you need to set up a productive work environment. It’s also essential to compile a portfolio of your best work and host it on either your website or a freelancing job site. This way, you can instantly showcase your experience and skills to a business or client looking to hire for a project, which also helps you negotiate your rate.
What are some typical challenges freelance software developers face when managing multiple clients and projects?
What is the difference between Freelance Software Developer vs Software Engineer?
| Aspect | Freelance Software Developer | Software Engineer |
|---|---|---|
| Credentials | Typically self-taught or with coding bootcamps; certifications optional | Bachelor's or higher in Computer Science or related field; certifications valued |
| Work Environment | Independent, remote or on-site client projects | Employed by companies, working in teams or departments |
| Employer & Industry Usage | Clients across various industries; project-based | Organizations, tech firms, startups; ongoing employment |
| Search & Comparison Intent | Looking for freelance opportunities or project-based work | Seeking full-time or contract roles within companies |
While both roles involve software development, Freelance Software Developers work independently on diverse client projects, often remotely, without long-term employer ties. Software Engineers are typically employed by organizations, working within teams on ongoing projects. Understanding these differences helps in choosing the right career path or job search focus.
What are the most commonly searched types of Software Developer jobs in Ottawa, ON?
The most popular types of Software Developer jobs in Ottawa, ON are:
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For Freelance Software Developer jobs in Ottawa, ON, the most frequently searched job titles are:
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The top searched job categories for Freelance Software Developer jobs in Ottawa, ON are:
What cities near Ottawa, ON are hiring for Freelance Software Developer jobs?
Cities near Ottawa, ON with the most Freelance Software Developer job openings:

Copy of Senior Lua Developer (Roblox) - AI Code Evaluation
Ottawa, ON • Remote
Full-time
Posted 29 days ago
Job description
An enterprise client is seeking experienced Lua Developers to support AI model training through technical evaluations, scripting tasks, and code quality reviews. This opportunity is ideal for developers who have strong Lua programming skills and experience building or scripting within the Roblox ecosystem.
The client partners with leading AI organizations to improve the quality of next-generation AI models by leveraging the expertise of experienced software developers. Selected freelancers will help evaluate AI-generated code, review programming solutions, and contribute to the development of high-quality training data used to advance generative AI technologies.
This opportunity is ideal for experienced Lua programmers who enjoy solving technical challenges, reviewing code, and improving software quality.
What You'll Do:
- Review, analyze, and evaluate Lua code for accuracy, quality, and best practices.
- Complete technical evaluations and scripting-related tasks involving Lua programming.
- Identify bugs, performance issues, and opportunities to improve existing code.
- Develop and modify Lua scripts based on project requirements.
- Apply strong programming fundamentals, including modular design, data structures, and debugging techniques.
- Work with Roblox Studio and Roblox development environments where applicable.
- Contribute to AI model training by providing high-quality technical feedback and code evaluations.
- Collaborate with the client's AI evaluation platform while following detailed project guidelines.
Requirements:
- Advanced proficiency in Lua programming, including scripting, debugging, and code optimization.
- Hands-on experience using Roblox Studio and/or developing applications or games on the Roblox platform.
- Strong understanding of programming fundamentals, including data structures, functions, modular programming, and performance optimization.
- Ability to independently review, analyze, and improve existing Lua code.
- Professional working proficiency in English with strong written communication skills.
- Ability to work independently and follow detailed technical instructions.
Nice to Haves:
- Experience developing Roblox games or interactive experiences.
- Experience reviewing code or conducting technical quality assurance.
- Familiarity with software testing, debugging, and code optimization techniques.
- Experience contributing to AI, machine learning, or code evaluation projects.
Additional Information
- Fully remote, project-based opportunity.
- Up to $60/hour, depending on project availability.
- Expected workload ranges from 10–39 hours per week, although work volume may fluctuate.
- Weekly lump-sum payments for work completed during the previous week.
- Qualified candidates will receive an Upwork contract offer along with onboarding instructions.
- Candidates who successfully complete the initial survey will be invited to a paid technical evaluation (approximately 2–3 hours). Approved evaluations will receive a $150 payment.
- To begin onboarding and access project tasks, candidates must have an active Upwork contract with the client.
- Due to the high volume of applicants, the client may not be able to respond to individual inquiries.
About Upwork
Sourced by ZipRecruiter
Industry
Software development
Company size
501 - 1,000 Employees
Headquarters location
San Francisco, CA, US