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Software Development Engineer Intern Jobs in Ontario

StackandCo

\n \n \n \n \n Role Overview SDET Engineers will, in collaboration with a multidisciplinary delivery team, be responsible for the increasing automation coverage and improving our existing automation ...

Dialpad

Sr. SDET

Kitchener, ON · On-site

Your role As a Senior Software Developer in Test (SDET) in the Contact Center QA team, you're both a skilled developer who builds elegant, scalable test frameworks and a quality advocate who leads a ...

Clockwork.io

CA$130K - CA$175K/yr

Summary We are looking for a Software Development Engineer in Test who thrives in fast-paced startup environments and is excited to be a co-owner and major contributor to our testing and CI/CD ...

CIBC

Software Development Engineer in Test

Toronto, ON · Hybrid

As a Consultant, Automation in Testing (SDET) role, you'll be working within the scrum Agile team for one of the program following the Agile sprint delivery in CIBC's Technology team, creating ...

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Software Development Engineer Intern information

What does a software development engineer intern do?

A Software Development Engineer Intern assists in designing, coding, testing, and maintaining software applications under the guidance of experienced engineers. Interns typically work on real projects, write code, debug issues, and collaborate with team members to learn the software development lifecycle. This role helps interns gain practical experience, improve programming skills, and understand how software teams operate in a professional environment.

What are the key skills and qualifications needed to thrive as a software development engineer intern, and why are they important?

To thrive as a Software Development Engineer Intern, you typically need proficiency in programming languages such as Java, Python, or C++, and a solid understanding of computer science fundamentals, often supported by coursework or personal projects. Familiarity with development tools like Git, integrated development environments (IDEs), and sometimes cloud platforms or version control systems is expected. Strong problem-solving abilities, eagerness to learn, and effective communication help interns collaborate and adapt quickly. These skills and qualities enable interns to contribute meaningfully to projects while growing their technical and teamwork abilities in a real-world environment.

What types of projects do software development engineer interns typically work on, and how much ownership do they have over their work?

As a Software Development Engineer Intern, you will often contribute to real-world projects that may range from feature development and bug fixes to prototyping new tools or improving existing systems. Interns are usually paired with a mentor and integrated into agile teams, where they are encouraged to take ownership of their assigned tasks and present their solutions. While guidance and code reviews are standard, interns are trusted to design, implement, and test their code, allowing for meaningful hands-on experience and a direct impact on product outcomes.

What is the difference between Software Development Engineer Intern vs Software Engineer?

AspectSoftware Development Engineer InternSoftware Engineer
CredentialsTypically pursuing or recently completed a bachelor's or master's degree in computer science or related fieldUsually holds a bachelor's degree or higher in computer science or related discipline
Work EnvironmentInternship programs, often part-time or summer roles within tech companiesFull-time employment in software development teams
Employer & Industry UsageUsed across tech companies, startups, and large corporations for entry-level rolesFull-time professional role in similar environments
Common Search & ComparisonOften compared for entry-level experience and career progressionRepresents a standard professional role in software development

The main difference between a Software Development Engineer Intern and a Software Engineer is the experience level and employment status. Interns are typically students gaining practical experience, while Software Engineers are full-time professionals responsible for designing, developing, and maintaining software products.

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

The most popular types of Software Development Engineer jobs in Ontario are:

What cities in Ontario are hiring for Software Development Engineer Intern jobs?

Cities in Ontario with the most Software Development Engineer Intern job openings:

Software Development Engineer Intern jobs near you
Infographic showing various Software Development Engineer Intern job openings in Ontario as of August 2026, with employment types broken down into 1% As Needed, 80% Full Time, 16% Part Time, and 3% Contract. Highlights an 86% Physical, 3% Hybrid, and 11% Remote job distribution.

Software Development Engineer in Test

StackandCo

On-site

Full-time

Re-posted 5 days ago

Job description

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\n Role Overview
<\/u><\/b>SDET Engineers will, in collaboration with a multidisciplinary delivery team, be responsible for the increasing automation coverage and improving our existing automation frameworks. This includes identifying current gaps, if needed \- designing a solution, and executing it. The candidate should be familiar with Agile testing concepts and open\-source test automation frameworks.<\/span>\n <\/div>\n
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\n This person will support engineers by designing and maintaining cutting\-edge automation systems to ensure we deploy code with amazing quality and speed.<\/span>
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\n Primary Objectives<\/u><\/b>
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  • Develop test automation plan by collaborating with the manual testing team using XRAY (jira). Work on other non\-functional quality attributes, like performance, reliability, and security.
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  • Develop automated tests with the appropriate technologies such as open source test automation frameworks - Serenity, RestAssured, Selenium as well as commercial solutions - GenRocket for test data generation. SDET's will spend most of the time automating test scenarios for Product under test.
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  • Translates functional requirements into the test automation requirements and then into the automated test scripts. Automated scripts are written in robust, scalable, and high quality open\-source test automation frameworks and provide coverage for functional and regression testing.
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  • Executes tests (manually, automated scripts), schedules test execution runs and reports on their results.
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  • Provide the team and all stakeholders with clear and real\-time updates regarding test status, bug status, and overall quality about the product by monitoring failures, reporting bugs, analysing & triaging automated tests running in the continuous Integration system.
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  • Work in parallel with the development team on testing and automating tests in the sprints.
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  • Develops and sets up mocks \/ stubs \/ virtual services for smooth automation framework execution.
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  • Help maintain systems to monitor test stability and report stability issues back to the team.
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  • Design and implement tools that improve efficiency in manual testing.
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  • Research new or better alternative automated testing tools.
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  • Evaluate new technology options and vendor products.
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  • Estimates effort required for quality assurance of enhancements\/features delivered by SCRUM team.
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  • Supports team members on the issue resolution by providing comprehensive results of the test execution and reproducing a bug.
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  • Maintains repositories of test scripts.
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  • Work independently when required, communicating regularly with stakeholders on solution implementation.
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  • Provide technical coaching on complex issues to colleagues.
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  • Be a proactive stakeholder in product quality.
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  • Strong verbal, written and organizational skills and a strong customer focus.
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  • Build a knowledge base on the applications and acquire subject matter expertise on the overall line of business.
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  • Knowledge transfer, active support and educational development of internal and external team members.
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  • Collaborate with developers, analysts, and tech leads across the enterprise, to identify business needs and appropriate technical solutions.
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  • \n
    \n Will perform additional job duties as required.
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    \n Knowledge & Skills<\/u><\/b>
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    • A minimum of 4+ years of experience in writing reliable and maintainable automated tests.
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    • An eagle\-eye for test coverage gaps, false positives or negatives and proficiency in black box, functional and user flow testing techniques.
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    • Experience working in Agile \/ SCRUM delivery methodology.
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    • The ability to write and understand code \- preferably in Java and JavaScript for the test automation frameworks.
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    • Experience with software development tools (IDE, debugger, git, JIRA, Jenkins, etc).
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    • Professional\-level programming skills (regex processing, class design, Map data structure, etc.), particularly in Java and\/or JavaScript.
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    • Novice\-level shell scripting skills (commands like grep, cut, sed, sort, wget, etc.).
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    • Knowledge of Serenity BDD test framework, (Cucumber, Selenium, RestAssured).
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    • Familiarity with Behaviour Driven Development approach and Gherkin language.
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    • Familiarity with JSON objects, SQL queries, data structures, log file analysis, etc.
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    • Familiarity with Swagger and Open API Specifications.
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    • Knowledge of building mocks with WireMock.
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    • The passion to build tools that will enable the engineering team to write tests efficiently.
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    • The trait of constantly looking for better solutions to bring down automation flakiness and increase automation reliability, thinking ahead and building for future changes in an ever\-changing mobile ecosystem.
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    • Desire to automate everything and reduce the time required to manually test the products.
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    • The willingness to work with other teams such as engineering, manual QA, product and release teams.
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    • Bachelor's degree in a relevant discipline such as computer science, business informatics or mathematics. Comparable education or professional experience also considered.
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    • High on social skills, team spirit and empathy.
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    • Willingness to take ownership and ability to show strong personal commitment for the department and the team goals; must be comfortable with being considered a reliable and proactive influential team member who is not afraid to take on responsibility in the team.
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    • Ability to communicate clearly to business analysts and stakeholders as well as technical\-representatives.
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    • Very strong and proven communication and coordination skills, open\-minded and determined.
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    • Responsible for planning, highlighting and implementing possible improvements for existing and new applications.
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    • Can do, Will do attitude: You will be joining a founding team first and a large organisation second. This is exciting, you will wear many hats, some you will be familiar with and others will be an opportunity to develop.
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