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Full Stack Javascript Developer Jobs in Ontario (NOW HIRING)

Trellis

Senior Full Stack Developer

Kanata, ON

We're looking for a passionate Senior Full-Stack Developer who wants to make a difference in a fast ... Web: HTML, Javascript, CSS, React * Backend: Python, Django, Postgres, Redis. * Distributed ...

Targeted Talent

Senior Full-Stack Developer

Ottawa, ON · Remote

We are looking for an experienced Senior Full-Stack (React & Node) Developer for our client. This ... JavaScript / TypeScript and related frameworks (NestJS, Express) * 3 - 5 + years of production ...

Targeted Talent

Senior Full-Stack Developer

Ottawa, ON · Remote

We are looking for an experienced Senior Full-Stack (React & Node) Developer for our client. This ... JavaScript / TypeScript and related frameworks (NestJS, Express) * 3 - 5 + years of production ...

StackandCo

Bachelor's Degree in Engineering \/ Computer Science \n * 3+ years of experience as a full stack ... JavaScript, HTML5, CSS \/ Sass and market\-leading frameworks (React is a preference) \n

StackandCo

... experience as a full stack developer on Magento 1.x \/2.x \n * LAMP stack expertise with ... JavaScript, HTML5, CSS \/ Sass and market\-leading frameworks (React is a preference) \n

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 ... Familiarity with modern JavaScript frameworks, such as Node.js and Webpack * Experience with ...

TaliPay, Inc.

Full Stack Product Engineer

Toronto, ON · On-site

... CSS, and JavaScript frameworks (e.g., React, Angular, Vue.js). * Collaborate with backend ... Collaborate with DevOps teams to deploy and maintain web applications in production environments ...

Aversan

Senior Full Stack Developer

Mississauga, ON · On-site

CA$110K - CA$140K/yr

Senior Full Stack Software Engineer Aversan Inc.(www.aversan.com) is a trusted multi-service ... JavaScript * Angular (required) * ReactJS (used in Storybook) * C# / ASP.NET Core * CSS * HTML ...

StackandCo

Bachelor's Degree in Engineering \/ Computer Science \n * 3+ years of experience as a full stack ... JavaScript, HTML5, CSS \/ Sass and market\-leading frameworks (React is a preference) \n

Konrad

Senior Full Stack Developer

Toronto, ON · Hybrid

CA$120K - CA$145K/yr

About The Role As a Senior Full Stack Developer you'll be tasked with working on web application ... Very strong JavaScript programming skills, utilizing tools and platforms like TypeScript, Node.js, ...

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All JobsFull Stack Javascript Developer JobsFull Stack Javascript Developer Jobs in Ontario

Full Stack Javascript Developer information

See Ontario salary details

$42.5K

$116.1K

$180K

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

As of Jun 22, 2026, the average yearly pay for full stack javascript developer in Ontario is $116,068.00, according to ZipRecruiter salary data. Most workers in this role earn between $93,000.00 and $137,000.00 per year, depending on experience, location, and employer.

What is the difference between Full Stack Javascript Developer vs Front End Developer?

AspectFull Stack Javascript DeveloperFront End Developer
SkillsJavaScript, Node.js, React or Angular, databases, server managementJavaScript, HTML, CSS, UI/UX design, frameworks like React or Vue
Work EnvironmentBackend and frontend development, full project lifecyclePrimarily UI/UX, client-side development
CredentialsProficiency in both frontend and backend technologiesStrong frontend skills, often with design knowledge

Full Stack Javascript Developers have expertise in both frontend and backend development, working across the entire application stack. Front End Developers focus mainly on the user interface and experience. The roles overlap in JavaScript skills but differ in scope and responsibilities.

What are the key skills and qualifications needed to thrive as a Full Stack JavaScript Developer, and why are they important?

To thrive as a Full Stack JavaScript Developer, you need solid proficiency in JavaScript, front-end frameworks like React or Angular, back-end technologies such as Node.js, and a strong understanding of databases, typically supported by a relevant degree or coding bootcamp experience. Familiarity with version control systems like Git, cloud platforms (e.g., AWS), and deployment pipelines is highly valued, along with certifications such as AWS Certified Developer or relevant JavaScript credentials. Strong problem-solving skills, effective communication, and the ability to collaborate across teams help developers stand out in this role. These skills and qualities are essential to efficiently build, maintain, and scale robust web applications in a collaborative, fast-paced environment.

What is a Full Stack JavaScript Developer?

A Full Stack JavaScript Developer is a software engineer skilled in using JavaScript for both front-end and back-end development. They work with frameworks like React or Angular for the user interface and Node.js or Express.js for server-side programming. These developers are responsible for building, deploying, and maintaining web applications, ensuring seamless functionality from the client-side to the server-side. Their expertise allows them to handle databases, APIs, and the integration between different layers of a web application.

What are some common challenges Full Stack Javascript Developers face when managing both frontend and backend tasks?

Full Stack Javascript Developers often encounter challenges in balancing the demands of both frontend and backend development, such as staying updated with rapidly evolving frameworks and managing integration between different parts of the application. Coordinating with designers, backend engineers, and DevOps can require strong communication and time management skills. Additionally, debugging issues that span the entire tech stack and ensuring consistent performance across client and server components are frequent hurdles. Overcoming these challenges typically involves continuous learning, effective collaboration, and adopting best practices in code organization and testing.
What are popular job titles related to Full Stack Javascript Developer jobs in Ontario? For Full Stack Javascript Developer jobs in Ontario, the most frequently searched job titles are:
What job categories do people searching Full Stack Javascript Developer jobs in Ontario look for? The top searched job categories for Full Stack Javascript Developer jobs in Ontario are:
What cities in Ontario are hiring for Full Stack Javascript Developer jobs? Cities in Ontario with the most Full Stack Javascript Developer job openings:
Full Stack Javascript Developer jobs near you
Infographic showing various Full Stack Javascript Developer job openings in Ontario as of June 2026, with employment types broken down into 99% Full Time, and 1% Part Time. Highlights an 89% Physical, 3% Hybrid, and 8% Remote job distribution, with an average salary of $116,068 per year, or $55.8 per hour.
Senior Full Stack Developer

Senior Full Stack Developer

Trellis

Kanata, ON

Full-time

Posted yesterday

Job description

We're looking for a passionate Senior Full-Stack Developer who wants to make a difference in a fast-growing startup. We are a B2B SaaS company that provides an AI-powered software platform for eCommerce merchants to generate more demand for their products. We use the latest advancements in artificial intelligence and automation to drive profitable sales for our clients. Our software platform currently supports marketplaces like Amazon and Google Shopping. With over 8M sellers globally, this is an exciting opportunity to be a big part of building a powerhouse in the retail demand generation space.

At Trellis, you'll have the opportunity to work in a fast-growing company and play an impactful role. As part of our team, you'll be helping great companies sell their products on Amazon, Google, and all over the internet. This is a high-growth and impactful role that will give you tons of opportunities to drive decisions for projects from inception through production.


What You'll Get To Do

  • Lead impactful features and projects from conception to completion, working with stakeholders to identify project risks and recommend mitigating solutions.
  • Collaborate with our product team to build powerful and easy-to-use features and modules.
  • Maintaining the system in general, on-call bug-fixing for mission-critical issues
  • Own new features, craft technical specs
  • Work with lots and lots of data
  • Write lots of code in Python and React/JS


Our Tech Stack

  • Web: HTML, Javascript, CSS, React
  • Backend: Python, Django, Postgres, Redis.
  • Distributed Computing: Task Queues, Celery, RabbitMQ
  • Infrastructure: AWS EC2, Kubernetes, Docker, Terraform


What You Need

  • Have 5 years of experience in a frontend, backend, or full stack role.
  • Programming experience in Python, JavaScript, C#, Java, or another object-oriented language.
  • An eagerness to learn new things and improve upon existing skills, abilities, and practices.
  • Experience with databases, SQL or NoSQL.
  • Experience with APIs, REST or GraphQL
  • Knowledge in an Agile software development environment,
  • Experience with version control systems (Git, Subversion, etc..).
  • Have a real passion for clean code and finding elegant solutions to problems.
  • Eager to expand your knowledge and abilities in Python and cloud-based technologies.


Nice to Haves

  • Experience building scalable workflows using task queues.
  • Experience integrating with 3rd parties APIs
  • Security and Authentication
  • Machine Learning and Algorithms


Compensation

  • Competitive Salary
  • Stock options
  • Comprehensive health benefits package.


The Trellis Team

At Trellis, we are passionate about delivering results and a positive user experience to our client brands. With that narrow goal, our driven team works to build out an ambitious product roadmap while seeking out and responding promptly to requests from our current clientele.

We are witnessing a generational shift in consumer behavior in e-commerce. By joining the Trellis team, you too can participate directly in enabling the market transition. If you have an analytical mindset with a willingness to learn and a passion for high-paced forward progress, then we want to hear from you!

Trellis is committed to providing equal opportunity to all applicants and employees. All employment decisions are based on business needs, job requirements and individual qualifications, without regard to race, colour, religion or belief, national or ethnic origin, gender, age, disability, sexual orientation, gender identity and/or expression, marital or civil status, political affiliation, family or parental status, or any other status protected by the laws or regulations in the jurisdictions in which we operate.

These protections extend to all management practices and decisions, including recruitment and hiring practices, appraisal systems, promotions, demotions, transfers, compensation changes, training, career development programs, layoffs, and terminations.


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