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Trainee Junior Mern Stack Developer Jobs in Ontario

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 ...

United States Digital Space LLC

Your role will also include mentoring junior engineers and fostering best practices. Key Responsibilities: • Lead full stack application design, development, and support • Drive technical ...

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 ...

Google

... capabilities for junior staff. Collaboration across teams is essential to succeed. Key ... stack applications and services • Engage with programming in Go, Java, and Python • Mentor ...

New

Private AI

Junior Full Stack Developer

Toronto, ON · On-site

What you'll do This is a full stack developer role with a front end leaning mandate. You will be part of the team helping Limina build a new product offering. This role is a great opportunity to ...

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 ...

Apex Systems

AI-Enabled Full Stack Developer Overview We are seeking an AI-Enabled Full Stack Developer to join ... Experience mentoring junior developers. * Familiarity with modern software delivery practices and ...

Dawninfotek

Senior FullStack Developer Senior Full Stack Developer Work Model: Hybrid - 3 days onsite in ... Experience mentoring junior developers. Why Join Dawn InfoTek? * Work with one of Canada's leading ...

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

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 ...

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Trainee Junior Mern Stack Developer information

What is a trainee junior MERN stack developer?

Trainee Junior MERN Stack Developers are entry-level professionals who are learning to build web applications using the MERN stack, which includes MongoDB, Express.js, React.js, and Node.js. They typically assist more experienced developers while gaining hands-on experience with both front-end and back-end technologies. Their responsibilities often include writing code, fixing bugs, testing features, and learning best practices in software development. These roles are ideal for individuals who are new to full-stack development and want to grow their technical skills in a practical work environment.

What can I expect in terms of mentorship and team collaboration as a trainee junior MERN stack developer?

As a Trainee Junior MERN Stack Developer, you will typically work closely with senior developers and team leads who provide mentorship and code reviews to help you hone your skills. You can expect to participate in daily stand-up meetings, collaborate on projects using version control systems like Git, and contribute to both front-end and back-end tasks. The team environment is usually supportive and encourages asking questions, as learning and growth are key focuses at this stage. Regular feedback and pair programming sessions will help you rapidly develop your technical abilities and confidence.

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

To thrive as a Trainee Junior MERN Stack Developer, you need a solid understanding of JavaScript, HTML, CSS, and basic programming concepts, often supported by coursework or a relevant degree. Familiarity with MongoDB, Express.js, React.js, Node.js, and version control systems like Git is typically required, and completing coding bootcamps or online certifications can be beneficial. Strong problem-solving skills, eagerness to learn, and effective communication help you collaborate with teams and adapt to new technologies. These skills are essential for building robust web applications, working efficiently in development environments, and growing into more advanced developer roles.

What is the difference between Trainee Junior Mern Stack Developer vs Junior Web Developer?

AspectTrainee Junior Mern Stack DeveloperJunior Web Developer
Required SkillsBasic knowledge of MongoDB, Express.js, React, Node.js, HTML, CSSFundamental web development skills, HTML, CSS, JavaScript
Experience LevelEntry-level, often in training or internshipEntry-level, with some project experience
Work EnvironmentTraining programs, internships, or junior roles in tech companiesJunior positions in web development teams across industries
CertificationsOften encouraged to have certifications in MERN stack or web developmentBasic web development certifications or courses

In summary, a Trainee Junior Mern Stack Developer is typically in training with a focus on the MERN stack technologies, while a Junior Web Developer has broader web development skills. Both roles are entry-level but differ in specific technical focus and experience level.

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

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

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

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

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

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

Trainee Junior Mern Stack Developer jobs near you

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

Royal Bank of Canada

Toronto, ON • On-site

Full-time

Re-posted 19 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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