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Software Tester Intern Jobs in Ontario (NOW HIRING)

Perseus Group

Software Developer Intern

Markham, ON

CA$22.50 - CA$27.50/hr

The Software Developer Intern works in a Scrum team to build high-performing, resilient, and ... testing, and maintaining MCP servers/connectors that power AI-assisted development for the team ...

Ciena

Software Developer Intern - Fall 2026

Ottawa, ON · On-site

CA$25 - CA$35/hr

  • PTO

This co-op/intern opportunity provides hands-on experience contributing to real-world engineering ... The role offers exposure to the development and testing of software that powers flagship networking ...

Hitachi

ITV - Intern (Fall 2026, 12-16 Month)

Toronto, ON · Hybrid

CA$23 - CA$30/hr

  • PTO

The Intern will work within the ITV team with key directions on providing design, analysis, scripting and testing in the development of software and tools for train control systems of Thales Canada ...

Spaceium

Electrical Intern

Ottawa, ON · On-site

Support electrical testing including power, signal integrity, and functional tests * Contribute to ... Collaborate with mechanical, software, and systems engineers Basic Qualifications * Currently ...

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All JobsSoftware Tester Intern JobsSoftware Tester Intern Jobs in Ontario

Software Tester Intern information

See Ontario salary details

$10

$29

$62

How much do software tester intern jobs pay per hour?

As of Aug 17, 2026, the average hourly pay for software tester intern in Ontario is $29.92, according to ZipRecruiter salary data. Most workers in this role earn between $20.43 and $37.02 per hour, depending on experience, location, and employer.

What does a software tester intern do?

A Software Tester Intern assists in evaluating software applications to identify bugs, errors, or usability issues before the software is released to users. Their responsibilities often include creating and executing test cases, documenting defects, and collaborating with developers to ensure software quality. Interns learn to use testing tools and techniques, gaining hands-on experience in quality assurance processes. This role is a great entry point for those interested in software development and quality assurance careers.

What are the key skills and qualifications needed to thrive as a software tester intern?

To thrive as a Software Tester Intern, you need a basic understanding of software development concepts, attention to detail, and familiarity with testing methodologies, often supported by coursework in computer science or related fields. Experience with test management tools (like JIRA), bug tracking systems, and basic scripting or automation frameworks is highly beneficial. Critical thinking, effective communication, and a collaborative mindset help you excel in team environments and articulate findings clearly. These skills and qualities ensure thorough testing, accurate defect reporting, and contribute to the delivery of reliable, high-quality software products.

What are some typical challenges a software tester intern might face during their internship?

As a Software Tester Intern, you may encounter challenges such as understanding complex software requirements, learning to use various testing tools, and quickly adapting to the team's established workflows. Managing time effectively while balancing multiple testing tasks and documenting bugs clearly can also be demanding. However, these challenges are excellent learning opportunities and you'll often receive guidance from experienced QA professionals, helping you develop valuable problem-solving and communication skills.

What is the difference between Software Tester Intern vs QA Tester?

AspectSoftware Tester InternQA Tester
CredentialsTypically pursuing or recently completed a related degree or certificationOften requires a relevant degree or certification in quality assurance or software testing
Work EnvironmentEntry-level, supervised, learning-focusedFull-time, more independent, responsible for testing phases
Industry UsageCommon in tech companies, internships for studentsFull-time role in software development and IT companies
Search & Comparison IntentLooking for entry-level testing roles or internshipsSeeking full-time QA testing positions

In summary, a Software Tester Intern is an entry-level position aimed at gaining hands-on experience, often held by students or recent graduates. A QA Tester is a full-time professional responsible for executing testing plans, identifying bugs, and ensuring software quality. Both roles share similar credentials but differ significantly in responsibilities and work environment.

What are the most commonly searched types of Software Tester jobs in Ontario?

The most popular types of Software Tester jobs in Ontario are:

What cities in Ontario are hiring for Software Tester Intern jobs?

Cities in Ontario with the most Software Tester Intern job openings:

Software Tester Intern jobs near you
Infographic showing various Software Tester Intern job openings in Ontario as of August 2026, with employment types broken down into 1% Internship, 78% Full Time, 18% Part Time, and 3% Contract. Highlights an 87% Physical, 4% Hybrid, and 9% Remote job distribution, with an average salary of $62,235 per year, or $29.9 per hour.

Software Development Intern

Lincoln Electric

Dundas, ON

CA$30/hr

Internship

Posted 3 days ago

New

Lincoln Electric rating

7.2

Company rating: 7.2 out of 10

Based on 50 frontline employees who took The Breakroom Quiz

323rd of 490 rated machine equipment manufacturers

Job description

Lincoln Electric is a high-performance industrial machinery and technology leader who helps customers manufacture and maintain vital equipment and infrastructure. Lincoln Electric's innovative solutions enable higher quality and productivity across a variety of processes including welding, cutting, brazing, machining, process automation, and field repair. The Company leverages proprietary technologies and expertise in materials science, power electronics, automation, and intelligent software to help customers build better and achieve resilience in their operations. Headquartered in Cleveland, Ohio, Lincoln Electric is the essential 'Linc' that keeps the economy running. The Company operates 71 manufacturing and automation facilities across 20 countries and serves customers in over 160 countries. For more information about Lincoln Electric and its products and services, visit the Company's website at https://www.lincolnelectric.com.

Location: Hamilton 
Req ID: 29631 

Hourly Rate: $30

Role Summary

We are looking for a Software Engineering Intern to join our development team and gain hands-on experience building, testing, and supporting software applications. This role offers exposure to modern software development practices, troubleshooting real-world issues, and collaborating with experienced engineers on production software systems.

Key Responsibilities
  • Assist in developing, testing, and maintaining software applications and services.
  • Write and debug code under the guidance of senior engineers.
  • Investigate software issues using logs, debugging tools, and code analysis.
  • Support troubleshooting and root cause analysis of defects and production issues.
  • Contribute to software testing, validation, and documentation.
  • Participate in code reviews and team discussions.
  • Work with cross-functional teams to support software releases and enhancements.
  • Learn and apply software engineering best practices, including source control and agile development methodologies.
Required Qualifications
  • Currently pursuing or recently completed a degree or diploma in Software Engineering, Computer Science, Computer Engineering, Mechatronics, or a related field.
  • Experience with object-oriented programming through coursework, projects, internships, co-op placements, or personal projects.
  • Preferred: C# programming experience.
  • Also accepted: Python, Java, C++, JavaScript/TypeScript, or other object-oriented languages.
  • Basic understanding of software design, debugging, and testing principles.
  • Strong analytical and problem-solving skills.
  • Ability to investigate issues and learn from logs, error messages, and troubleshooting tools.
  • Familiarity with Git or other source control systems.
Preferred Qualifications
  • Experience with .NET, SQL, REST APIs, or modern application development frameworks.
  • Familiarity with Visual Studio, VS Code, Azure DevOps, GitHub, or similar development tools.
  • Experience with academic, open-source, internship, co-op, or personal software projects.
  • Familiarity with AI-assisted development tools such as GitHub Copilot, Microsoft Copilot, Cursor, ChatGPT, or similar tools.
  • Interest in applying AI tools to improve coding, testing, debugging, documentation, and productivity.
  • Exposure to automation, robotics, manufacturing systems, IoT, or hardware/software integration is a plus but not required.
What You'll Learn
  • Professional software development practices and workflows.
  • Troubleshooting, debugging, and root cause analysis techniques.
  • Application design, testing, and deployment processes.
  • Collaboration within a cross-functional engineering team.
  • Effective use of modern AI-assisted development tools.
  • Real-world software engineering and production support experience.
Success Profile
  • Curious, proactive, and eager to learn.
  • Strong problem-solving and analytical thinking skills.
  • Comfortable working in a technical team environment.
  • Takes ownership of tasks and follows through on solutions.
  • Communicates effectively and asks thoughtful questions.
  • Demonstrates a passion for building high-quality software.

Lincoln Electric is an Equal Opportunity Employer. We are committed to promoting equal employment opportunity for applicants, without regard to their race, color, national origin, religion, sex (including pregnancy, childbirth, or related medical conditions, including, but not limited to, lactation), sexual orientation, gender identity, age, veteran status, disability, genetic information, and any other category protected by federal, state, or local law.

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