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Mern Full Stack Developer Jobs in Ontario (NOW HIRING)

Quantiphi, Inc.

Full Stack Developer

Toronto, ON · Remote

Full Stack Software Developer Experience Level: 5-10 yrs Work Location: US East/Canada (Remote) Role Overview: We're looking for a Full Stack Software Developer to design and build scalable, high ...

Trusscore

Full Stack Developer

Kitchener, ON · On-site

CA$85K - CA$95K/yr

Your Mission Trusscore is seeking a mid-level full-stack developer to help build, standardize and scale our data and automation internal application ecosystem. Our ecosystem consists of front-end ...

Trusscore USA Inc

Full Stack Developer

Kitchener, ON · On-site

$85K - $95K/yr

Your Mission Trusscore is seeking a mid-level full-stack developer to help build, standardize and scale our data and automation internal application ecosystem. Our ecosystem consists of front-end ...

Trusscore

Full Stack Developer

Kitchener, ON · On-site

Your Mission Trusscore is seeking a mid-level full-stack developer to help build, standardize and scale our data and automation internal application ecosystem. Our ecosystem consists of front-end ...

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 ...

StackandCo

\n \n \n \n \n Our client is currently looking for a Full\-Stack Developer to directly work with the in\-house development team (currently 16 team members). The ideal candidate will have the desire to ...

Foci Solutions

Full Stack Developer

Ottawa, ON · On-site +1

  • Medical

  • PTO

Who Are We're Looking For We are looking for Full Stack Developers/Software Engineers to help grow our team and deliver strong project value. The ideal candidate is a developing engineer with a track ...

StackandCo

\n \n \n \n \n Our client is currently looking for a Full\-Stack Developer to directly work with the in\-house development team (currently 16 team members). The ideal candidate will have the desire to ...

StackandCo

\n \n \n \n \n Role Overview The primary responsibility of the full stack developer, in collaboration with a multidisciplinary delivery team, will be the design and development of software ...

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Showing results 21-40

All JobsMern Full Stack Developer JobsMern Full Stack Developer Jobs in Ontario

Mern Full Stack Developer information

See Ontario salary details

$42.5K

$113.2K

$163.5K

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

As of Aug 13, 2026, the average yearly pay for mern full stack developer in Ontario is $113,212.00, according to ZipRecruiter salary data. Most workers in this role earn between $95,000.00 and $126,500.00 per year, depending on experience, location, and employer.

How much does a Mern Full Stack Developer make?

A MERN Full Stack Developer's salary varies based on experience, location, and skill level, but typically ranges from $70,000 to $120,000 annually in the United States. Developers proficient in JavaScript, React, Node.js, and MongoDB with full-stack expertise are in high demand and often command higher salaries.

Is MERN full-stack in demand?

MERN full-stack developers are in high demand due to the popularity of JavaScript-based technologies like MongoDB, Express.js, React, and Node.js in web development. Companies seek these skills for building scalable, modern applications, making MERN development a valuable specialization for job seekers in the tech industry.

What is a Mern Full Stack Developer?

A MERN Full Stack Developer is a software developer who specializes in building web applications using the MERN stack, which includes MongoDB, Express.js, React, and Node.js. They handle both front-end and back-end development, ensuring seamless interaction between the client and server. Their responsibilities include designing UI components, developing APIs, managing databases, and deploying applications. This role requires proficiency in JavaScript, understanding of full-stack development concepts, and experience with modern web technologies. MERN Full Stack Developers often work on end-to-end development projects, ensuring responsive and scalable web applications.

What does a typical workday look like for a Mern Full Stack Developer?

As a Mern Full Stack Developer, your typical workday involves collaborating with designers, product managers, and other developers to build and maintain web applications using the MERN stack. You'll spend time coding both front-end components with React and back-end services with Node.js and Express, as well as working with MongoDB for data management. Regular tasks include participating in stand-up meetings, code reviews, debugging, and continuous integration activities. The role often requires balancing multiple projects or features, ensuring smooth communication between team members, and adapting to fast-paced development cycles.

What are the key skills and qualifications needed to thrive as a Mern Full Stack Developer?

To thrive as a Mern Full Stack Developer, you need strong proficiency in JavaScript, React, Node.js, Express, MongoDB, and a solid understanding of front-end and back-end development principles. Familiarity with tools like Git, Docker, RESTful APIs, and holding relevant certifications such as MongoDB or React Developer credentials can be highly beneficial. Effective communication, problem-solving abilities, and a collaborative mindset are valuable soft skills for this position. These skills collectively enable developers to build scalable web applications, adapt to evolving project needs, and work effectively in dynamic team environments.

What are popular job titles related to Mern Full Stack Developer jobs in Ontario? For Mern Full Stack Developer jobs in Ontario, the most frequently searched job titles are:
What job categories do people searching Mern Full Stack Developer jobs in Ontario look for? The top searched job categories for Mern Full Stack Developer jobs in Ontario are:
Mern Full Stack Developer jobs near you
Infographic showing various Mern Full Stack Developer job openings in Ontario as of August 2026, with employment types broken down into 1% Internship, 79% Full Time, 14% Part Time, 5% Contract, and 1% Nights. Highlights an 85% Physical, 4% Hybrid, and 11% Remote job distribution, with an average salary of $113,212 per year, or $54.4 per hour.

Full Stack Developer

Sapsol Technologies Inc

Mississauga, ON • On-site

Full-time

Re-posted 2 days ago

Job description

About SAPSOL Technologies Inc.
SAPSOL Technologies Inc. is a global innovation leader operating at the intersection of SAP, AI, and Quantum Computing.

We develop SR&ED-compliant, future-ready products such as TraceSecure.ai, HireRig.ai, and RoboCart.ai, combining automation, analytics, and intelligence into one powerful enterprise ecosystem.
Our mission is to drive the next generation of digital transformation using AI-driven, cloud-native, and quantum-enabled technologies.

Role Overview
We're hiring a deadline-driven Full-Stack Developer to work onsite in Mississauga on next-generation AI and SAP-integrated platforms.

You'll design, build, and deploy AI-enabled enterprise systems using our internal tech stack - Laravel MVC, Java, JavaScript, Progress Database, Docker, and Kubernetes - while maintaining full SR&ED compliance and delivering under tight timelines.

Key Responsibilities

  • Build and enhance modules for TraceSecure.ai, HireRig.ai, and Quantum-ready prototypes.
  • Integrate AI frameworks (OpenAI, Anthropic, LangChain, Gemini, etc.) into live systems.
  • Develop and maintain services using Laravel MVC, Java, and JavaScript (Node/Vue/React).
  • Manage and optimize Progress Database for speed and scalability.
  • Deploy solutions through Docker containers and Kubernetes orchestration.
  • Document all R&D activity for SR&ED compliance (uncertainties, experiments, results).
  • Consistently meet strict project deadlines with production-ready deliverables.
  • Collaborate with cross-functional teams, including AI and SAP consultants.

Required Skills

  • Expert in Laravel MVC
  • Proficient in Java and JavaScript (Node.js / Vue.js / React)
  • Experience with Progress Database or equivalent RDBMS
  • Strong knowledge of Docker & Kubernetes
  • Integration of AI APIs (OpenAI, Gemini, LangChain, etc.)
  • Understanding of RESTful APIs, CI/CD, and microservice architecture
  • Proven record of on-time delivery under demanding schedules
  • Familiarity with SR&ED documentation requirements

Preferred / Asset Skills

  • Any SAP knowledge is a strong asset (BTP, S/4HANA, Fiori, integration experience)
  • AI-driven microservices and vector databases (Pinecone, Weaviate, etc.)
  • Exposure to Quantum frameworks (Qiskit, Pennylane, D-Wave QUBO)
  • DevOps automation (Terraform, Helm, Jenkins)

Apply