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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 ...

Scotiabank

Full Stack Developer

Toronto, ON · On-site

Supporting production systems and mentoring junior developers. Improving engineering practices and ... full stack development experience required Proficiency in web development using HTML and CSS ...

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 ...

Scotiabank

Technical Lead

Toronto, ON

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

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 ...

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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 Jul 28, 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.

Can I learn MERN in 3 months?

As a Junior MERN Stack Developer, learning the core technologies—MongoDB, Express.js, React, and Node.js—can be achieved in three months with intensive study and practical projects. However, mastering advanced concepts and building a strong portfolio typically requires ongoing practice beyond this timeframe.

Will AI replace MERN?

AI is unlikely to fully replace MERN stack developers, as the role requires understanding complex application logic, coding, and problem-solving that AI tools can assist but not fully automate. Developers skilled in JavaScript, React, Node.js, and MongoDB will continue to be essential for building and maintaining web applications, especially as AI can enhance productivity and automate routine tasks. Staying updated with new tools and frameworks is important for MERN developers to remain competitive in the evolving tech landscape.

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 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.

Is MERN stack still in demand?

The MERN stack remains in high demand for web development roles, including Junior MERN Stack Developers, due to its popularity for building scalable and efficient applications. Skills in MongoDB, Express.js, React, and Node.js are highly valued by employers, and knowledge of JavaScript across the stack is essential for many tech companies.

Is MERN stack in demand in 2026?

The MERN stack, which includes MongoDB, Express.js, React, and Node.js, remains highly in demand for junior MERN Stack developers due to its popularity in web development and the growing need for full-stack skills. Proficiency in JavaScript and frameworks like React and Node.js are valuable for job opportunities in 2026.

What is a Junior Mern Stack Developer job?

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 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 July 2026, with employment types broken down into 82% Full Time, 6% Part Time, 1% Temporary, and 11% Contract. Highlights an 80% Physical, 6% Hybrid, and 14% Remote job distribution, with an average salary of $124,267 per year, or $59.7 per hour.
Associate Director, Lead Fullstack Developer (React/Node.js)

Associate Director, Lead Fullstack Developer (React/Node.js)

Royal Bank of Canada

Toronto, ON • On-site

Full-time

Posted 15 days ago

Job description

Job Description

What is the opportunity?

We are seeking an accomplished Associate Director of Full Stack Engineering with 10+ years of progressive experience in designing and delivering enterprise-scale web platforms. The ideal candidate will combine deep technical expertise across the MERN stack (MongoDB, Express.js, React.js, Node.js), Next.js,NestJS, Docker, and Kubernetes with proven leadership in people management, software architecture, and design systems. You will lead a team of engineers, drive architectural decisions, and own the end-to-end delivery of mission-critical applications across the organization.

If you are a technical leader who is passionate about building high-performing teams and architecting cutting-edge platforms, we would love to hear from you!

What will you do?

Leadership & People Management

  • Lead, mentor, and grow a team of full stack engineers, fostering a culture of technical excellence, collaboration, and continuous improvement.

  • Conduct performance reviews, career development planning, and hiring for engineering talent.

  • Champion engineering best practices, code quality standards, and knowledge-sharing across teams.

  • Partner with product, design, and business stakeholders to align technical strategy with organizational goals.

Architecture & Design

  • Define and evolve the overall application architecture for scalable, resilient, and secure distributed systems.

  • Establish and govern design system standards, component libraries, and UI patterns to ensure consistency and reusability across products.

  • Lead architectural reviews, technical design discussions, and proof-of-concept efforts for new capabilities.

  • Make build-vs-buy decisions and evaluate emerging technologies for strategic adoption.

Engineering & Delivery

  • Oversee the design, development, and maintenance of enterprise web applications using the MERN stack, Next.js, andNestJS.

  • Drive containerization strategies using Docker and orchestrate production workloads with Kubernetes.

  • Collaborate with DevOps and platform teams to design robust CI/CD pipelines, observability, and infrastructure-as-code practices.

  • Ensure applications meet non-functional requirements including performance, scalability, security, and accessibility.

  • Own technical debt management and drive continuous improvement initiatives.

What do you need to succeed?

Must have:

  • 10+ yearsof professional experience in software engineering, with at least3 years in a people management or technical leadership role.

  • Deep proficiency inReact.js, Node.js, Express.js, and TypeScript.

  • Strong hands-on experience withNext.js(server-side rendering, static generation, API routes) andNestJSfor building scalable server-side applications.

  • Proven experience defining and maintainingdesign systemsand component libraries at scale (e.g., MUI, Storybook, custom design tokens).

  • Extensive experience withDockercontainerization andKubernetesorchestration in production environments.

  • Demonstrated ability to designdistributed system architectures, including microservices, event-driven patterns, and API gateway strategies.

  • Strong knowledge ofRESTful APIs,GraphQL, and real-time communication patterns (WebSockets, message brokers).

  • Experience withMongoDBand at least one relational database (e.g., SQL Server, PostgreSQL).

  • Familiarity with cloud platforms (AWS, Azure, or GCP) and infrastructure-as-code tools (Helm, Terraform).

  • Solid understanding ofCI/CD pipelines, automated testing strategies, and DevOps practices.

  • Excellent communication, stakeholder management, and cross-functional collaboration skills.

Preferred Qualifications:

  • Experience withNxmonorepotooling and large-scale codebase management.

  • Knowledge ofcaching strategies(Redis,KeyDB) and performance optimization techniques.

  • Experience withreal-time streaming platforms(e.g., Solace, Kafka).

  • Background inCapital Markets, FinTech, or regulated financial environments.

  • Familiarity withaccessibility standards(WCAG) and internationalization.

  • Experience drivingagile deliveryat scale (SAFe, Scrum of Scrums).

What's in it for you?

We thrive on the challenge to be our best, progressive thinking to keep growing, and working together to deliver trusted advice to help our clients thrive and communities prosper. We care about each other, reaching our potential, making a difference to our communities, and achieving success that is mutual.

  • A comprehensive Total Rewards Program including bonuses and flexible benefits, competitive compensation, commissions, and stock where applicable

  • Leaders who support your development through coaching and managing opportunities

  • Ability to make a difference and lasting impact

  • Work in a dynamic, collaborative, progressive, and high-performing team

  • A world-class training program in financial services

  • Flexible work/life balance options

  • Opportunities to do challenging work

Job Skills

Application Development, Application Integrations, Application Maintenance, Applications Architecture, Detail-Oriented, Enterprise Application Delivery, Group Problem Solving, Programming Languages, Software Development Life Cycle (SDLC), System Applications

Additional Job Details

Address:

RBC CENTRE, 155 WELLINGTON ST W:TORONTO

City:

Toronto

Country:

Canada

Work hours/week:

37.5

Employment Type:

Full time

Platform:

CAPITAL MARKETS

Job Type:

Regular

Pay Type:

Salaried

Posted Date:

2026-06-12

Application Deadline:

2026-08-28

Note: Applications will be accepted until 11:59 PM on the day prior to the application deadline date above

Our Employment Opportunities

At RBC, we are guided by living shared values of Client First, Integrity, Collaboration, Respect and Excellence and winning together as One RBC. We believe an inclusive workplace that has diverse perspectives is core to our continued growth as one of the largest and most successful banks in the world. Maintaining a workplace where our employees feel supported to perform at their best, effectively collaborate, drive innovation, and grow professionally helps to bring our Purpose to life and create value for our clients and communities. RBC strives to deliver this through policies and programs intended to foster a workplace based on respect, belonging and opportunity for all.

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Expand your limits and create a new future together at RBC. Find out how we use our passion and drive to enhance the well-being of our clients and communities at jobs.rbc.com.

RBC is presently inviting candidates to apply for this existing vacancy. Applying to this posting allows you to express your interest in this current career opportunity at RBC. Qualified applicants may be contacted to review their resume in more detail.

Employment Type: FULL_TIME

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