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Internship Slack Software Engineer Jobs in Toronto, ON

Pagefreezer

Senior Software Developer (Remote)

Toronto, ON · Remote

CA$110K - CA$145K/yr

What You'll Do as a Senior Software Developer * Design & Scale Robust Architecture: Develop and ... Google Workspace, Slack, Atlassian Suite (Jira and Confluence), and GitHub are used across all ...

Link Logistics

Engineer, Software

Toronto, ON · On-site

CA$185K - CA$225K/yr

We're hiring a full-stack Software Engineer to help build Link's investment analytics platform. You ... Lead by doing - mentor contractors and interns, set a high standard through code reviews, and bring ...

1Valet

Junior QA Engineer

Toronto, ON · On-site

We develop smart building software and integrated hardware solutions that connect property managers ... internships, hands-on projects, or lab coursework). * Foundational understanding of hardware ...

Sync.com

Software Developer

Toronto, ON · On-site

CA$97K - CA$100K/yr

About the Role We are seeking a versatile and results-oriented Software Developer with expertise in ... Experience mentoring junior developers or interns. Perks: * Generous wellness program * Best-in-the ...

Sanofi EU

AI Engineer

Mississauga, ON · On-site +1

CA$94K - CA$136K/yr

Mentor and coach junior AI engineers, software engineers, data scientists, and interns while fostering engineering excellence and knowledge sharing About you Required Qualifications: * Master's or ...

Sanofi EU

AI Engineer

Unionville, ON · On-site +1

CA$94K - CA$136K/yr

Mentor and coach junior AI engineers, software engineers, data scientists, and interns while fostering engineering excellence and knowledge sharing About you Required Qualifications: * Master's or ...

Sanofi EU

AI Engineer

Maple, ON · On-site +1

CA$94K - CA$136K/yr

Mentor and coach junior AI engineers, software engineers, data scientists, and interns while fostering engineering excellence and knowledge sharing About you Required Qualifications: * Master's or ...

Sanofi EU

AI Engineer

Brampton, ON · On-site +1

CA$94K - CA$136K/yr

Mentor and coach junior AI engineers, software engineers, data scientists, and interns while fostering engineering excellence and knowledge sharing About you Required Qualifications: * Master's or ...

Sanofi EU

AI Engineer

Toronto, ON · On-site +1

CA$94K - CA$136K/yr

Mentor and coach junior AI engineers, software engineers, data scientists, and interns while fostering engineering excellence and knowledge sharing About you Required Qualifications: * Master's or ...

Geotab

Lead Software Developer

Oakville, ON

Geotab is seeking a Lead Software Developer who will be primarily responsible for designing ... for interns over several years. * Excellent communication and organizational skills, with the ...

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Showing results 21-40

All JobsSlack Software Engineer JobsInternship Slack Software Engineer JobsInternship Slack Software Engineer Jobs in Toronto, ON

Internship Slack Software Engineer information

What does an internship Slack software engineer do?

An Internship Slack Software Engineer works as a software engineering intern at Slack, contributing to the development and maintenance of Slack’s messaging platform and related features. Interns typically collaborate with experienced engineers, write and test code, debug issues, and participate in team meetings. The internship provides hands-on experience with modern technologies, exposure to best engineering practices, and opportunities to learn about Slack’s product development processes. Interns may also work on projects that improve the Slack user experience or internal tools. The role is designed to help students gain practical skills and prepare for a full-time software engineering career.

What types of projects does an internship Slack software engineer typically work on, and how are their contributions integrated with the broader engineering team?

Internship Slack Software Engineers often participate in real-world projects such as developing new features, fixing bugs, or improving internal tools that directly impact Slack’s product and user experience. Interns are paired with mentors and collaborate closely with experienced engineers through code reviews, stand-ups, and team meetings. Their work is regularly reviewed, and meaningful contributions are merged into production, ensuring interns gain hands-on experience while adding value to the team. This collaborative environment helps interns quickly learn industry best practices and build a professional network within the company.

What are the key skills and qualifications needed to thrive as an internship Slack software engineer, and why are they important?

To thrive as an Internship Slack Software Engineer, you need a solid understanding of computer science fundamentals, proficiency in programming languages like JavaScript or Python, and progress toward a relevant degree such as Computer Science. Familiarity with version control systems (e.g., Git), cloud platforms, and collaboration tools commonly used in software development is expected. Strong problem-solving abilities, effective communication, and a willingness to learn help interns stand out in this collaborative environment. These skills and qualities are essential for delivering high-quality code, efficiently contributing to team projects, and adapting to Slack’s fast-paced tech culture.

What is the difference between Internship Slack Software Engineer vs Entry-Level Slack Software Engineer?

AspectInternship Slack Software EngineerEntry-Level Slack Software Engineer
Required CredentialsTypically pursuing or recently completed a degree in Computer Science or related fieldBachelor's degree in Computer Science or related field, with some work experience or projects
Work EnvironmentPart-time or temporary, often in a mentorship setting, focused on learning and support tasksFull-time, collaborative team environment, involved in development and coding tasks
Employer & Industry UsageUsed by companies like Slack for internship programs to evaluate future hiresEntry-level position in tech companies, including Slack, for new graduates or those transitioning into software engineering

The main difference is that an Internship Slack Software Engineer is a temporary, learning-focused role often held by students or recent graduates, while an Entry-Level Slack Software Engineer is a full-time position requiring some foundational experience. Internships are designed to provide exposure and training, whereas entry-level roles involve contributing to ongoing projects and gaining professional experience.

What are popular job titles related to Internship Slack Software Engineer jobs in Toronto, ON?

For Internship Slack Software Engineer jobs in Toronto, ON, the most frequently searched job titles are:

What job categories do people searching Internship Slack Software Engineer jobs in Toronto, ON look for?

The top searched job categories for Internship Slack Software Engineer jobs in Toronto, ON are:

Internship Slack Software Engineer jobs near you
Infographic showing various Internship Slack Software Engineer job openings in Toronto, ON as of August 2026, with employment types broken down into 89% Full Time, 8% Part Time, and 3% Contract. Highlights an 87% Physical, 5% Hybrid, and 8% Remote job distribution.

Summer Intern 2027 - Software Engineering (8 Months)

Manulife

Toronto, ON • Hybrid

CA$52K - CA$70K/yr

Full-time

Posted 3 days ago

New

Job description

At Manulife John Hancock, we believe in investing in the future - starting with you. Our internship program is your launchpad to success, offering the support, structure, and exciting opportunities you need to thrive and make your mark.

Asa Software EngineeringIntern,you'll gain hands-on experience developing applications and systems that support business and customer solutions. You'll work with modern development tools and frameworks to build scalable, high-quality software while contributing to the full software development lifecycle. We offer multiple roles within this program, providing support from our diverse, passionate, and talented technology teams.You'llreceive guidance from skilled technical leaders who value your teamwork and coordination abilities, and gain exposure to industry-leading, enterprise technologies.

We are currently looking for highly motivated students to join us in our Toronto, Ontario, Canada office for an 8 month summer internship, running from April 29th - December 16th, 2027. This is a hybrid position, where you are expected to be in the office Tuesday-Thursday, with the opportunity to work remotely on Mondays and Fridays.

Position Responsibilities:

  • Contribute to a team of engineers focused on building scalable, reliable applications

  • Support application development, testing, and debugging efforts

  • Assist in feature development and system enhancements

  • Collaborate with engineering and business teams to build user-focused solutions

  • Participate in code reviews and maintain code quality standards

  • Support deployment, monitoring, and ongoing application maintenance

Required Qualifications:

  • Currently pursuing an undergraduate degree in Computer Science, Engineering, or a related field

  • Experience with at least one programming language (e.g., Java, Python, Go, JavaScript)

  • Familiarity with version control systems (e.g., Git, Bitbucket)

  • Strong communication skills and willingness to learn in a collaborative environment

Preferred Qualifications:

  • Exposure to software frameworks, libraries, or development tools

  • Understanding of software development lifecycle and best practices

  • Familiarity with APIs, web services, or application architecture

When you join our team:

  • We'llempower you to learn and grow the career you want.

  • We'llrecognize and support you in a flexible environment where well-being and inclusion are more than just words.

  • As part of our global team,we'llsupport you in shaping the future you want to see.

  • As part of our internship program, you will gainearly accessto Manulife John Hancock's premier early talent program, GRO, tailored to graduating students! This program is designed to launch your career with the support, structure, and opportunities you need to thrive.

Application instructions:

  • Submit your resume, cover letter, academic transcript, and work term evaluation (if any) in one PDF file.

  • Note: Applications are reviewed on a rolling basis.

Please note the salary range is expected to be between $52,650 CAD to $70,200 CAD.

The actual salary will vary depending on local market conditions, geography and relevant job-related factors such as knowledge, skills, qualifications, experience, and education/training. The annual salary will be pro-rated based on the length of the work-term

#LI-Hybrid

This posting supports an ongoing hiring initiative for existing and/or future vacancies.

We use data and analytics technologies, such as artificial intelligence (AI), and automated processing tools, to analyze and process the information you provide to us or third parties in the application process. For more information, please refer to our personal information collection statement.

About Manulife and John Hancock
Manulife Financial Corporation is a leading international financial services provider, helping people make their decisions easier and lives better. To learn more about us, visit https://www.manulife.com/en/about/our-story.html.
Manulife is an Equal Opportunity Employer
At Manulife/John Hancock, we embrace our diversity. We strive to attract, develop and retain a workforce that is as diverse as the customers we serve and to foster an inclusive work environment that embraces the strength of cultures and individuals. We are committed to fair recruitment, retention, advancement and compensation, and we administer all of our practices and programs without discrimination on the basis of race, ancestry, place of origin, colour, ethnic origin, citizenship, religion or religious beliefs, creed, sex (including pregnancy and pregnancy-related conditions), sexual orientation, genetic characteristics, veteran status, gender identity, gender expression, age, marital status, family status, disability, or any other ground protected by applicable law.
It is our priority to remove barriers to provide equal access to employment. A Human Resources representative will work with applicants who request a reasonable accommodation during the application process. All information shared during the accommodation request process will be stored and used in a manner that is consistent with applicable laws and Manulife/John Hancock policies. To request a reasonable accommodation in the application process, contact hr@manulife.com.

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