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Junior Full Stack Engineer Jobs in Ontario (NOW HIRING)

The [Junior Full Stack Developer - coop] role is to help plan, design, develop, test, launch, and maintain software applications in support of the achievement of business requirements. This includes ...

Full Stack Engineer About the Role We are seeking an Full Stack Engineer to design, develop, deploy, and support AI-powered applications using modern large language model (LLM) technologies. You will ...

Senior Full Stack Engineer

Toronto, ON · Remote

$125K - $155K/yr

Description: Our client is seeking a Senior Full-Stack Engineer to play a key role in designing ... Lead technical discussions, perform code reviews, mentor junior developers, and contribute to ...

We are seeking a highly skilled Lead Full Stack Engineer to join a high-impact engineering team building a next-generation Operational Data Hub . This platform acts as a central "book of record" for ...

... AI SME / Full Stack Engineer to join our IT team. In this role, you will lead the design ... Mentor junior team members and promote AI literacy across the IT team and business stakeholders

As Full Stack Engineer, you'll be reporting to the IT Manager, and be part of the IT team that is responsible for maintaining and extending current systems along with the development of new modules ...

Machina Labs is seeking a Full Stack Engineer to join our software team and help build the systems that power our robotic sheet metal forming platform. In this role, you'll bridge the gap between the ...

Full-Stack Engineer III Location: Toronto (Onsite/ Hybrid) Job Type: Full-Time Hiring Timeline: Immediate Reporting Line: Head of R&D Existing Vacancy: Yes Application Deadline: Open until Filled ...

Full-Stack Engineer III Location: Toronto (Onsite/ Hybrid) Job Type: Full-Time Hiring Timeline: Immediate Reporting Line: Head of R&D Existing Vacancy: Yes Application Deadline: Open until Filled ...

You will have hands on commercial experience as a Full Stack engineer working with the following: \n \n \n * Core Java & Java EE \n * JavaScript \/ TypeScript \n * ReactJS OR VueJS \n * CSS4 & HTML5 ...

\n \n \n \n \n The successful Senior Full Stack Developer will assume ownership for a diversity of greenfield projects and mentor junior developers. \n \n \n \n \n \n This role will involve adding new ...

We are looking for an accountable and driven Full Stack Engineer to join Global Wealth Management Technology (GWMT) - where we develop and modernize the technology that powers the Global Wealth ...

Senior Full Stack Engineer

Toronto, ON · Hybrid

CA$120K - CA$145K/yr

We are looking for a Senior Full Stack Engineer to help design, build, and support modern technology solutions for an asset management firm. This role will work closely with Trading, Operations ...

Role Overview We're looking for a Senior Full Stack Engineer who is excited to build products in a new way. This is not just a role for someone who wants to add AI features to an existing product. We ...

Contribute to DataBraid's mission as an Experienced Full Stack Engineer in Toronto or Kitchener/Waterloo, Canada, focusing on AI-assisted insurance solutions. This hybrid role allows you to innovate ...

Senior Full-Stack Engineer, AI Platform The Opportunity Chubb's AI Platform team is building an enterprise AI platform that powers RAG-based search, document intelligence, and AI-assisted workflows ...

Full-Stack Engineer -- Blair Health (Canada - Remote/Hybrid Toronto) Blair Health is closing the specialist gap in women's healthcare by making expert menopause and midlife care instantly accessible ...

New

Become a key player as an Expert Full Stack Engineer specializing in AI systems and modern technology stacks. Deliver innovative solutions that enhance performance and user experience. In this role ...

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Showing results 1-20

Junior Full Stack Engineer information

See Ontario salary details

$50K

$76.7K

$105K

How much do junior full stack engineer jobs pay per year?

As of Aug 3, 2026, the average yearly pay for junior full stack engineer in Ontario is $76,733.00, according to ZipRecruiter salary data. Most workers in this role earn between $63,000.00 and $90,000.00 per year, depending on experience, location, and employer.

What is a junior full stack engineer?

A Junior Full Stack Engineer is an entry-level software developer who works on both the front-end and back-end of web applications. They are typically responsible for building, testing, and maintaining features across the entire technology stack, often under the supervision of more experienced engineers. Juniors work with languages and frameworks such as JavaScript, HTML, CSS, Node.js, and databases like SQL or MongoDB. While they may not have deep expertise yet, they are expected to learn quickly, collaborate with team members, and gradually take on more complex tasks.

How does a junior full stack engineer typically collaborate with other team members on a project?

As a Junior Full Stack Engineer, you’ll regularly work alongside front-end and back-end developers, designers, and product managers to deliver features and resolve issues. Collaboration often includes participating in daily stand-ups, code reviews, and sprint planning sessions. You’ll be expected to communicate progress and challenges clearly, seek guidance when needed, and contribute to shared code repositories using version control tools like Git. This collaborative environment helps you learn quickly and build strong relationships within a multidisciplinary team.

What is the difference between Junior Full Stack Engineer vs Junior Front End Developer?

AspectJunior Full Stack EngineerJunior Front End Developer
Required SkillsProficiency in both front-end and back-end technologies (HTML, CSS, JavaScript, server-side languages, databases)Strong skills in HTML, CSS, JavaScript, and front-end frameworks (React, Angular, Vue)
Work EnvironmentWorks on both client-side and server-side development, often in full project cyclesFocuses primarily on user interface and user experience development
Common UsageUsed in startups and small to medium companies requiring versatile developersCommon in companies emphasizing UI/UX and front-end design

The main difference is that a Junior Full Stack Engineer handles both front-end and back-end tasks, while a Junior Front End Developer specializes in user interface development. The full stack role requires knowledge of server-side technologies, whereas the front-end role focuses on creating engaging user experiences.

What are the key skills and qualifications needed to thrive as a junior full stack engineer?

To thrive as a Junior Full Stack Engineer, you need a solid understanding of front-end and back-end development concepts, programming languages like JavaScript, HTML, CSS, and familiarity with frameworks such as React and Node.js, often supported by a bachelor's degree in computer science or related experience. Experience using version control systems like Git, basic database management (SQL/NoSQL), and cloud platforms is typically required. Strong problem-solving, teamwork, and communication skills help you collaborate effectively and adapt to fast-changing project needs. These abilities are essential for building reliable, scalable web applications and contributing meaningfully to development teams.
What are the most commonly searched types of Full Stack Engineer jobs in Ontario? The most popular types of Full Stack Engineer jobs in Ontario are:
Infographic showing various Junior Full Stack Engineer job openings in Ontario as of July 2026, with employment types broken down into 93% Full Time, 4% Part Time, and 3% Contract. Highlights an 86% Physical, 6% Hybrid, and 8% Remote job distribution, with an average salary of $76,733 per year, or $36.9 per hour.

Junior Full Stack Developer Coop

Magna

Milton, ON

Full-time

Re-posted 6 days ago


Job description

Job descriptions may display in multiple languagesbased on your language selection.

What we offer:
At Magna, you can expect an engaging and dynamic environment where you can help to develop industry-leading automotive technologies. We invest in our employees, providing them with the support and resources they need to succeed. As a member of our global team, you can expect exciting, varied responsibilities as well as a wide range of development prospects. Because we believe that your career path should be as unique as you are.
Group Summary:
Cosma provides a comprehensive range of body, chassis and engineering solutions to global customers. Through our robust product engineering, outstanding tooling capabilities and diverse process expertise, we continue to bring lightweight and innovative products to market.

Job Responsibilities:

POSITION SUMMARY:

The [Junior Full Stack Developer - coop] role is to help plan, design, develop, test, launch, and maintain software applications in support of the achievement of business requirements. This includes researching, designing, documenting, and modifying software programs and applications throughout the system life cycle. This position requires an ability to create and interpret various instructions furnished in written, oral, diagrammatic, or scheduled form. Must have analytical and problem-solving skills and an intense desire to learn, understanding of coding methods and best practices. Able to communicate effectively with non-technical staff and with members of interdisciplinary teams.

Start Date: June 1, 2026

End Date: August 28, 2026

MINIMUM JOB REQUIREMENTS:

  • Pursuit of Bachelor's degree or Community College diploma in Computer Studies, Computer Science, Science, Engineering or Mathematics or equivalent
  • Applicants must be enrolled in a recognized postsecondary co-op program
  • Moderate level of application experience
  • Knowledgeable in several modern programming languages and schema design concepts
  • Knowledgeable in the use of at least one modern Database Management System
  • Experience working both independently and in a team-oriented, collaborative environment

SKILLS AND COMPETENCIES:

  • Strong analytical, organizational and communication skills
  • Excellent problem solving and interpersonal skills
  • Understands operating systems and networking
  • Strong user orientation and customer focus

JOB RESPONSIBILITIES:

  • Maintain safety standards of equipment and work area and perform all duties in a safe manner in accordance with the safety policies of Karmax.
  • Perform all duties in a safe manner in accordance with Section 28 of the Occupational Health & Safety Act and Regulations for Industrial Establishments.
  • Follow Magna's Code of Conduct and Ethics and related compliance policies. Perform all duties in an environmentally responsible manner in accordance with the Karmax Environmental Policy Statement-3 P's.
  • Prevent Pollution, Preserve Natural Resources & Protect our Environment Follows Magna internal and external compliance policies.
  • Assists in the feasibility studies for the establishment of new or revised systems and procedures.
  • Carries out systems analysis and design at a junior level. Formulates logical statements of operational, administrative, or financial problems using structured systems design techniques.
  • Ensures that the resulting design meets the operational needs and requirements of the users.
  • Works directly with users to determine systems requirements and meets with senior management in the company.
  • Employs iterative development techniques in the implementation of systems.
  • Design and develop front-end & back-end components/services for new and existing applications.
  • Integration of internal systems to external applications/services.
  • Assists other staff with all systems and procedures to ensure conformance to standards.
  • Designs, codes, tests, debugs, and documents new and existing applications in accordance with departmental programming and development standards.
  • Understands version control and source code management.
  • Keeps current with software and hardware technology, understands emerging trends, and keeps team members informed.
  • Assists the project leader and assists other staff involved in the detailed design and coding of system projects.
  • Attends code reviews with Senior and Junior Developers.
  • Attends regular status meetings with project team members to determine business priorities.
  • Flexible to work occasional overtime. Performs other duties as required.

WORK ENVIRONMENT

  • Must be able to work in various locations within and outside the Manufacturing Plant
  • Must be able to work outside of normal office hours to meet needs of the position with minimum supervision
  • Lifting up to 20 kgs
  • Exposed periodically to elements such as temperature and noise
  • Office environment within a manufacturing operation
Awareness, Unity, Empowerment:

At Magna, we believe that a diverse workforce is critical to our success. That's why we are proud to be an equal opportunity employer. We hire on the basis of experience and qualifications, and in consideration of job requirements, regardless of, in particular, color, ancestry, religion, gender, origin, sexual orientation, age, citizenship, marital status, disability or gender identity. Magna takes the privacy of your personal information seriously. We discourage you from sending applications via email or traditional mail to comply with GDPR requirements and your local Data Privacy Law.

AI-Assisted Screening Disclosure

As part of our commitment to a fair, consistent, and efficient recruitment process, we may use artificial intelligence (AI) tools to assist in the initial screening of applications submitted through our Workday system. These tools help identify qualifications and experience that align with the role requirements. Please note that AI is used solely to support our recruiters. Final decisions are always made by the hiring manager and the hiring team. Importantly, no applicant data is shared externally through these AI tools. All information remains securely within our systems and is handled in accordance with our privacy and data protection policies.

Under conditions defined by applicable law, you may have the right to request an explanation of how AI is used to support decision-making.

If you have any questions or concerns about this process, feel free to contact our Talent Attraction team.

Worker Type:

Fixed Term (Fixed Term)

Group:

Cosma International