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Junior Mern Stack Developer Jobs in Ontario (NOW HIRING)

StackandCo

\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 ...

Magna

Junior Full Stack Developer Coop

Milton, ON

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 ...

StackandCo

\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 ...

Netsweeper Inc.

Senior Full Stack Developer

Waterloo, ON · On-site +1

We're looking for a talented Senior Full Stack Developer to join our team of skilled developers and ... Mentor junior developer(s) in the design, development, and testing of React applications, providing ...

StackandCo

... stack developer to learn from an elite team of high calibre developers, who are making a massive impact in their industry. \n \n \n \n \n \n You will be working alongside the current team of ...

Lifeworks

Senior Full Stack Developer

Toronto, ON · On-site

CA$100K - CA$140K/yr

Guide junior developers through challenging problems, fostering their growth and building technical ... stack development * Advanced proficiency in frontend technologies: HTML5, CSS, JavaScript ...

Td

Sr. Full Stack Developer, TD Securities

Toronto, ON · On-site

CA$126K - CA$164K/yr

Mentor junior and intermediate developers, while promoting engineering best practices across the ... Our Technology Stack * Frontend: Angular, Nodejs * Backend: C#, Node.js, Express, Java, REST APIs ...

Scotiabank

Technical Lead

Toronto, ON · On-site

Coach and guide junior developers through code reviews, pair programming, and clear technical ... MERN stack (MongoDB, Express, React, Node) in a professional environment * 4+ years experience ...

Td

Sr. Full Stack Developer, TD Securities

Toronto, ON · On-site

CA$126K - CA$164K/yr

Mentor junior and intermediate developers, while promoting engineering best practices across the ... Our Technology Stack * Frontend: React, TypeScript, React Router, React Query, Zustand, AgGrid ...

StackandCo

... stack developer to learn from an elite team of high calibre developers, who are making a massive impact in their industry. \n \n \n \n \n \n You will be working alongside the current team of ...

StackandCo

\n \n \n \n \n Junior Java Developer 35K p\/a + benefits Java, AWS, Javascript \n \n \n \n \n \n We ... Java stack with some Angular on the frontend. Strong academics are a huge advantage here ...

RideCo

Full Stack Software Engineer

Waterloo, ON · Hybrid

CA$100K - CA$140K/yr

As a Full Stack Developer at RideCo, you will contribute to shaping the architecture, design, and ... Provide technical mentorship and guidance to junior and mid-level developers. Testing and ...

StackandCo

\n \n \n \n \n We are looking for Junior Java Developers to join a globally renowned FinTech company ... Java stack with some Angular on the frontend. \n \n \n \n \n \n Strong academics are a huge ...

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Junior Mern Stack Developer information

See Ontario salary details

$36K

$124.3K

$179K

How much do junior mern stack developer jobs pay per year?

As of Sep 4, 2026, the average yearly pay for junior mern stack developer in Ontario is $124,267.00, according to ZipRecruiter salary data. Most workers in this role earn between $100,500.00 and $148,000.00 per year, depending on experience, location, and employer.

What is a junior MERN Stack Developer?

A Junior MERN Stack Developer is an entry-level software developer who specializes in building web applications using the MERN stack, which consists of MongoDB, Express.js, React, and Node.js. They assist in developing, testing, and maintaining both front-end and back-end components of web applications. Typical responsibilities include writing clean code, fixing bugs, collaborating with senior developers, and integrating APIs. Strong foundational knowledge of JavaScript, database management, and version control (e.g., Git) is essential. This role is ideal for individuals looking to gain hands-on experience and grow their skills in full-stack development.

What kind of projects or tasks might a junior MERN Stack Developer typically work on?

As a Junior MERN Stack Developer, you will often be involved in building and maintaining web applications, implementing new features, and fixing bugs within the application stack. Your day-to-day work may include writing code for both front-end (using React.js) and back-end (using Node.js and Express), working with databases like MongoDB, and collaborating closely with other developers, designers, and project managers. You may also be asked to participate in code reviews, contribute to team discussions on architecture or user experience, and learn best practices for scalable and maintainable code. This hands-on experience helps you develop your technical skills and prepares you for more advanced responsibilities as your career progresses.

What are the key skills and qualifications needed to thrive in the junior MERN Stack Developer position, and why are they important?

To thrive as a Junior MERN Stack Developer, you need a solid understanding of JavaScript, React.js, Node.js, Express, and MongoDB, typically supported by a relevant degree or coding bootcamp. Familiarity with version control systems like Git, Agile development practices, and basic knowledge of RESTful APIs are highly valued, while certifications in web development can enhance your candidacy. Strong problem-solving abilities, good communication skills, and a willingness to learn enable effective collaboration and growth in this role. These skills and qualities are essential for building efficient web applications and contributing successfully to dynamic development teams.

What are the most commonly searched types of Mern Stack Developer jobs in Ontario?

The most popular types of Mern Stack Developer jobs in Ontario are:

What are popular job titles related to Junior Mern Stack Developer jobs in Ontario?

For Junior Mern Stack Developer jobs in Ontario, the most frequently searched job titles are:

What job categories do people searching Junior Mern Stack Developer jobs in Ontario look for?

The top searched job categories for Junior Mern Stack Developer jobs in Ontario are:

What cities in Ontario are hiring for Junior Mern Stack Developer jobs?

Cities in Ontario with the most Junior Mern Stack Developer job openings:

Junior Mern Stack Developer jobs near you
Infographic showing various Junior Mern Stack Developer job openings in Ontario as of August 2026, with employment types broken down into 82% Full Time, 12% Part Time, 5% Contract, and 1% Nights. Highlights an 86% Physical, 3% Hybrid, and 11% Remote job distribution, with an average salary of $124,267 per year, or $59.7 per hour.

Senior Full Stack Developer

StackandCo

On-site

Full-time

Re-posted 4 days ago

Job description

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\n The successful Senior Full Stack Developer will assume ownership for a diversity of greenfield projects and mentor junior developers.<\/span>
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\n This role will involve adding new features, improving the user interface and building web services for clients.<\/span>
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\n As well as this, you will play an important role in an exciting migration project from AngularJS to React.<\/span>
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\n You will actively contribute ideas to enhance performance and scalability, as well as influence the direction of future business.<\/span>
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\n This is an extremely exciting opportunity for an ambitious Full Stack Developer who wants to attain more responsibility, work with cutting edge technologies, and take a step up in their career.<\/span>
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\n The company are committed to working with the most modern technologies, therefore you will be working with a modern tech stack including <\/span><\/span>AWS, JavaScript, HTML5, CSS3, React and Node.js<\/b>.<\/span>
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\n This role will suit any Full stack Developer with a strong desire to constantly upskill and learn. If you haven't worked with Node but are willing to, great.<\/span>
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\n Applications are welcome from any Full stack Developer with a strong engineering mindset and the confidence to pick up new tech fast.<\/span>
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\n Requirements<\/u><\/b>
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  • Minimum 3 (ideally 5) years Full Stack Development experience building applications
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  • 3+ years with Node.js or a similar backend programming language (PHP, C#, Java, Ruby, Python)
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  • 3\-5 years' commercial experience with HTML5, CSS3, JavaScript and JQuery
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  • Experience developing complex single page applications using AngularJS AND\/OR React or other MVC framework (company use Angular and React)
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  • Commercial experience building and maintaining RESTful APIs
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  • E\-commerce experience highly desirable
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  • Experience with Git, Docker, Jenkins
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  • Preference for candidates who have worked with large enterprise applications
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  • Design pattern experience is nice\-to\-have
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  • Strong communication skills essential
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    \n This role will suit a strong team player; someone who enjoys helping others and can build strong rapport quickly.<\/span>
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