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Junior Developer Internship Jobs in Toronto, ON (NOW HIRING)

1Valet

Junior QA Engineer

Toronto, ON

About the Role We are looking for an enthusiastic Junior Quality Assurance Engineer to join our ... internships, hands-on projects, or lab coursework). * Foundational understanding of hardware ...

Sync.com

Software Developer

Toronto, ON · On-site

CA$97K - CA$100K/yr

Experience mentoring junior developers or interns. Perks: * Generous wellness program * Best-in-the-class health benefits * Paid vacation with carry-over * Salary range between $97,000 to $100,000 ...

Scotiabank

Junior Software engineer

Toronto, ON

This role is ideal for a developer with hands-on experience in JavaScript and ReactJS , who thrives ... internships/co-op experience considered) * Strong understanding of JavaScript and modern web ...

PERI

Designer

Bolton, ON · On-site

CA$63K - CA$74K/yr

Mentor and assist Engineering Interns, Draftspeople, and junior Designers. * Conduct jobsite visits and provide technical support as needed. * Perform other related duties as assigned. What you'll ...

PERI

Designer

Bolton, ON · On-site

CA$63K - CA$74K/yr

Mentor and assist Engineering Interns, Draftspeople, and junior Designers. * Conduct jobsite visits and provide technical support as needed. * Perform other related duties as assigned. What you'll ...

Magna

Junior Manufacturing Engineer

Milton, ON

CA$61K - CA$73K/yr

... internship experience). * Proficiency with CAD software for product design and plant layouts (e.g., AutoCAD, NX, CATIA, or SolidWorks). * Ability to read and interpret engineering drawings, CAD ...

NimbleRx

Senior Backend Engineer

Toronto, ON

Mentor junior engineers and interns * Promote best practices and high-quality development techniques * Tackle tough design and technical problems * Enhance our systems' usability and performance ...

NimbleRx

Senior Fullstack Engineer

Toronto, ON · On-site

Mentor junior engineers and interns * Promote best practices and high-quality development techniques * Tackle tough design and technical problems * Enhance our systems' usability and performance ...

Lifeworks

Jr. Quality Assurance Analyst

Toronto, ON · On-site +1

CA$50K - CA$60K/yr

... internships/co-ops) * University degree or college diploma in Math, Computer Science, or a related field * Clear, confident communication skills with ability to debate logic errors with engineering ...

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Junior Developer Internship information

See Toronto, ON salary details

$16.7K

$54.1K

$116.4K

How much do junior developer internship jobs pay per year?

As of Aug 26, 2026, the average yearly pay for junior developer internship in Toronto, ON is $54,150.00, according to ZipRecruiter salary data. Most workers in this role earn between $31,970.00 and $69,189.00 per year, depending on experience, location, and employer.

What is a junior developer internship?

Junior Developer Internships are short-term positions designed to provide students or recent graduates with hands-on experience in software development. Interns typically work under the supervision of experienced developers, assisting with coding, debugging, testing, and other programming-related tasks. These internships offer valuable exposure to real-world projects, development tools, and team collaboration, helping interns build their technical skills and professional network. Junior Developer Internships are a common entry point for those seeking a career in software engineering.

What types of projects and tasks can I expect to work on during a junior developer internship?

As a Junior Developer Intern, you'll typically support ongoing development projects by assisting with coding, debugging, and testing under the guidance of more experienced developers. You may work on smaller features, fix bugs, or contribute to documentation, often collaborating through code reviews and team meetings. This role offers hands-on experience with real-world software development processes, tools, and workflows, giving you the chance to build your technical skills while learning from mentors in a collaborative team environment.

What are the key skills and qualifications needed to thrive as a junior developer intern, and why are they important?

To excel as a Junior Developer Intern, you should have a fundamental understanding of programming languages (such as Java, Python, or JavaScript), basic software development principles, and often be pursuing or have completed a relevant degree in computer science or a related field. Familiarity with version control systems like Git, integrated development environments (IDEs), and basic debugging tools is typically expected. Strong problem-solving abilities, eagerness to learn, and effective communication skills help set you apart in collaborative and fast-paced environments. These skills and qualities are crucial for quickly adapting to new technologies, contributing meaningfully to projects, and maximizing learning during the internship.

What are the most commonly searched types of Junior Developer jobs in Toronto, ON?

The most popular types of Junior Developer jobs in Toronto, ON are:

Junior Developer Internship jobs near you
Infographic showing various Junior Developer Internship job openings in Toronto, ON as of August 2026, with employment types broken down into 84% Full Time, 3% Part Time, and 13% Contract. Highlights an 79% Physical, 8% Hybrid, and 13% Remote job distribution, with an average salary of $54,150 per year, or $26 per hour.

Junior Machine Learning Engineer

Hamilton, ON • On-site

Providius
See more jobs at Providiusexternal

Full-time

Medical, Dental, Vision, PTO

Re-posted 10 days ago

Job description

// About Providius

Providius has been at the forefront of innovation in the Media & Entertainment industry for over a decade, delivering solutions to complex challenges in IP media and IT infrastructure within mission-critical environments.

Headquartered in Hamilton, Ontario, Canada, we are a privately held company focused on building practical, reliable systems that solve real-world problems.

// What We’re Looking For

We’re looking for a junior machine learning engineer to join our team and grow into a strong, hands-on ML engineer.

This is a role for someone early in their career who is eager to learn, comfortable getting their hands dirty with real data, and motivated to build a solid foundation in applied machine learning.

You will work under the direction of senior ML and engineering staff, contributing to real models and pipelines while developing your skills and judgment over time.

// Position Overview

Working closely with senior engineers, you will:

  • implement, train, and evaluate models under guidance
  • prepare and explore real-world data
  • help build and maintain data pipelines
  • support experiments and document results
  • This role is hands-on and engineering-focused.

You will be writing code, working with messy, real-world data, and learning how machine learning systems are built and run in practice.

Over time, as you build experience, you will take on more ownership and tackle increasingly open-ended problems.

// Duties and Responsibilities
  • Implement and train models under the guidance of senior engineers
  • Prepare, clean, and explore datasets, including feature engineering
  • Run experiments, record results, and help interpret findings
  • Build and maintain parts of the data pipeline and supporting tooling
  • Help integrate models into larger systems alongside the team
  • Write clear, testable, and maintainable code
  • Ask good questions, seek feedback, and learn from code review

Requirements

// Required Skills / Experience
  • 0–2 years of experience in machine learning, or strong academic or project experience
  • Programming ability in Python
  • Solid grounding in machine learning fundamentals
  • Willingness to work with real-world, imperfect data
  • Strong problem-solving ability and a desire to learn
  • Ability to take direction and incorporate feedback
  • Clear communication in a team environment
// What this Role Requires
  • Eagerness to learn and grow quickly
  • Comfort working with guidance and asking for help when needed
  • Pragmatism and a willingness to see tasks through
  • Attention to detail and care in the work
  • Ownership of your own learning and contributions
// Nice to haves
  • Coursework, internships, or projects involving anomaly detection, time-series, or behavioral modeling
  • Exposure to streaming or telemetry data
  • Familiarity with common ML libraries and tooling
  • Experience contributing to a shared codebase
// Why join Providius
  • Own a product area with real autonomy and direct impact
  • Work on products that operate in real-time, high-stakes environments
  • Small team with high ownership and a direct line to leadership

Benefits

  • Dental care
  • Extended health care
  • On-site parking
  • Paid time off
  • Vision care