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Remote Junior Mern Stack Developer Jobs in Toronto, ON

1Valet

Senior Full-Stack Developer

Toronto, ON · Remote

Ottawa, ON (Remote) About the Role We are looking for a Senior Full-Stack Developer to join one of our development squads and help build new features for the 1VALET smart-building platform. This role ...

Schema App

Full Stack Developer

Guelph, ON · On-site +1

Remote within Canada Schema App is a fast-growing, profitable SaaS company based in Guelph, Ontario, specializing in Schema Markup, a niche in search optimization. Our mission is to make web content ...

Schema App

Full Stack Developer

Guelph, ON · Remote

Remote within Canada Schema App is a fast-growing, profitable SaaS company based in Guelph, Ontario ... Were looking for a Full Stack Developer to help build intuitive, performant, and scalable ...

Quantiphi, Inc.

Full Stack Developer

Toronto, ON · Remote

US East/Canada (Remote) Role Overview: We're looking for a Full Stack Software Developer to design and build scalable, high-performance applications powering next-generation Agentic AI platforms. In ...

Veem

Fullstack Developer (Java, React)

Toronto, ON · Remote

Fully Remote - EST Time Zone - In Canada Comp: Salary + Bonus + Health Benefits About Veem Veem is ... About the Role We're looking for a Full Stack Engineer with a strong backend focus to help build ...

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Remote Junior Mern Stack Developer information

What are the key skills and qualifications needed to thrive as a Remote Junior MERN Stack Developer, and why are they important?

To thrive as a Remote Junior MERN Stack Developer, you need a solid understanding of JavaScript, HTML, CSS, and hands-on experience with MongoDB, Express.js, React.js, and Node.js, often supported by a relevant degree or coding bootcamp. Familiarity with version control using Git, RESTful APIs, and cloud deployment platforms like Heroku or AWS is typically expected. Strong problem-solving abilities, effective communication, and self-motivation are vital soft skills, especially in a remote work environment. These skills ensure efficient development, seamless collaboration with distributed teams, and the ability to deliver robust web applications.

What are some common challenges faced by remote junior MERN Stack developers, and how can they be addressed?

Remote junior MERN Stack developers often face challenges such as limited real-time feedback, communication barriers with senior team members, and balancing independent problem-solving with knowing when to ask for help. To address these, it's helpful to establish regular check-ins with mentors, actively participate in team meetings, and make use of collaboration tools like Slack or GitHub. Building strong organizational habits and documenting your progress can also streamline remote workflows while ensuring you stay connected with the team and continue learning.

What are Remote Junior MERN Stack Developers?

Remote Junior MERN Stack Developers are entry-level programmers who work from a remote location and specialize in the MERN stack, which includes MongoDB, Express.js, React.js, and Node.js. They assist in building web applications by writing code, fixing bugs, and collaborating with team members online. These developers typically have a basic understanding of full-stack web development but are still gaining experience. Being remote, they rely on communication tools and version control systems to coordinate with their teams.

What is the difference between Remote Junior Mern Stack Developer vs Remote Front End Developer?

AspectRemote Junior Mern Stack DeveloperRemote Front End Developer
Required SkillsJavaScript, React, Node.js, MongoDB, basic HTML/CSSHTML, CSS, JavaScript, React or Angular
Work EnvironmentFull-stack development, backend and frontend tasksPrimarily frontend development, UI/UX focus
Industry UsageStartups, tech companies, agenciesWeb development agencies, tech firms, freelancing

The Remote Junior Mern Stack Developer typically handles both frontend and backend tasks using JavaScript, React, Node.js, and MongoDB, making it a full-stack role. In contrast, a Remote Front End Developer focuses mainly on the user interface and client-side development. Both roles often require similar skills like JavaScript and React, but the Mern Stack Developer has broader responsibilities across the entire application stack.

What are popular job titles related to Remote Junior Mern Stack Developer jobs in Toronto, ON? For Remote Junior Mern Stack Developer jobs in Toronto, ON, the most frequently searched job titles are:
What job categories do people searching Remote Junior Mern Stack Developer jobs in Toronto, ON look for? The top searched job categories for Remote Junior Mern Stack Developer jobs in Toronto, ON are:
Remote Junior Mern Stack Developer jobs near you
Infographic showing various Remote Junior Mern Stack Developer job openings in Toronto, ON as of May 2026, with employment types broken down into 86% Full Time, and 14% Contract. Highlights an 100% Remote job distribution.
Senior Full Stack Developer

Senior Full Stack Developer

CDM Smith

Toronto, ON • Remote

Other

Posted 27 days ago

CDM Smith rating

9.1

Company rating: 9.1 out of 10

Based on 18 frontline employees who took The Breakroom Quiz

19th of 349 rated engineering

Job description

Trinnex, a wholly owned subsidiary of CDM Smith, is looking for a Senior Full Stack Developer to join our growing Digital Solutions team. You'll work on modern, highimpact applications that bring together sensor and IoT data, geospatial technologies, machine learning, and AIpowered agent systems to solve realworld engineering and environmental challenges.
In this role, you'll help shape nextgeneration intelligent applications, including systems that use autonomous and semiautonomous agents, retrievalaugmented generation (RAG), and agent orchestration frameworks. You'll work across the full technology stack, collaborate with a talented, crossfunctional team, and have the opportunity to influence technical direction while building scalable, productionready solutions.
Duties and Responsibilities:
Full Stack & API Development
Design, develop, and maintain scalable frontend and back end applications using modern frameworks and architectures.
Build, integrate, and optimize REST, GraphQL, and other APIs to support secure, high performing systems.
Apply best practices in code quality, security, performance optimization, and testing throughout the development lifecycle


AI Enabled & Agent Based Systems
Contribute to the design and implementation of AI driven features, including agent based workflows and intelligent application components.
Support systems that use retrieval augmented generation (RAG), vectorized data access, and contextual retrieval strategies.
Collaborate on architectures that enable agent orchestration and agent to agent (A2A) communication.
Testing, Deployment, and DevOps Collaboration
Develop and execute automated testing strategies to ensure reliability and performance.
Deploy applications through CI/CD pipelines and partner with DevOps teams to support scalability, monitoring, and production readiness.
Troubleshoot and resolve complex issues across the application stack.
Collaboration, Mentorship, and Delivery
Collaborate with developers, designers, DevOps, and domain experts on solution design and feature delivery.
Conduct code reviews and contribute to continuous improvement of engineering practices.
Mentor and support junior developers across frontend, backend, and integration work


Skills and Abilities
Strong experience designing and developing full stack web applications.
Proficiency with modern front end frameworks (e.g., React with Context API and Hooks).
Experience with back end development using C#/.NET and JavaScript/TypeScript (Node.js, Next.js, Express).
Solid understanding of API design, data integration, and system architecture.
Experience with geospatial technologies such as ESRI, PostGIS, and Mapbox.
Demonstrated ability to diagnose and solve complex technical problems.
Strong communication and collaboration skills, with the ability to explain technical concepts clearly.
Experience designing or contributing to agentic systems, including multi step or multi agent workflows.
Understanding of RAG patterns, agent orchestration concepts, and A2A communication models.
Familiarity with AI development tools and assistants (e.g., Claude, Cursor).
Proactive mindset toward learning and applying emerging technologies.
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What CDM Smith employees say

Pay

Benefits

Hours and flexibility

Workplace

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About CDM Smith

Sourced by ZipRecruiter

CDM Smith is a distinguished name in the engineering and construction industry, providing insightful consulting, designing, and execution services. Based in Boston, Massachusetts, US, this full-service engineering and construction firm was founded in 1947 and has been contributing to the national and global infrastructure ever since. Serving across diverse sectors like transportation, environment, water, energy, and facilities, they have built a reputation for excellence. The company firmly stands on its mission of delivering lasting, superior solutions to the world's complex challenges, thereby ensuring their clients create a transformative impact.

Industry

Civil engineering construction

Company size

5,001 - 10,000 Employees

Headquarters location

Cambridge, MA, US

Year founded

1947

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