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Senior Javascript Developer Jobs in Toronto, ON (NOW HIRING)

Senior React Developer

Toronto, ON ยท On-site +1

CA$85K - CA$115K/yr

Senior React Developer Department: Software Technology Team Location: Toronto/Remote Type: Hybrid ... HTML, JavaScript, React, Redux, Next.js, Material UI, Gatsby.js, with 2+ years in TypeScript.

Cority is looking for a Sr. Software Developer to be a part of our existing team. We are very ... NET Core, NHibernate/Entity Framework, JQuery, Ajax, Web Services, JavaScript, Typescript or ...

Cority is looking for a Sr. Software Developer to be a part of our existing team. We are very ... NET Core, NHibernate/Entity Framework, JQuery, Ajax, Web Services, JavaScript, Typescript or ...

You will contribute across a polyglot stack that includes PHP (Laravel), JavaScript, and TypeScript ... Champion DevOps best practices, CI/CD improvements, and observability standards * Identify and lead ...

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Showing results 1-20

Senior Javascript Developer information

See Toronto, ON salary details

$63.9K

$117.8K

$174.2K

How much do senior javascript developer jobs pay per year?

As of Jun 27, 2026, the average yearly pay for senior javascript developer in Toronto, ON is $117,761.00, according to ZipRecruiter salary data. Most workers in this role earn between $98,297.00 and $132,176.00 per year, depending on experience, location, and employer.

What is a Senior Javascript Developer job?

A Senior JavaScript Developer is a highly experienced programmer specializing in JavaScript, including frameworks like React, Angular, or Node.js. They are responsible for designing, developing, and optimizing web applications, ensuring high performance and maintainability. Additionally, they provide technical leadership, mentor junior developers, and collaborate with cross-functional teams to deliver scalable solutions. Strong problem-solving skills, deep knowledge of JavaScript best practices, and experience with modern development tools are essential for this role.

What are typical challenges faced by Senior Javascript Developers in day-to-day work?

Senior Javascript Developers often encounter complex challenges such as optimizing web application performance, ensuring code scalability and maintainability, and integrating with diverse APIs and services. They are also expected to troubleshoot legacy code and address security vulnerabilities, all while keeping up with the rapidly evolving JavaScript ecosystem. Collaborating with designers, product managers, and junior developers can add layers of complexity to project requirements. However, overcoming these challenges is rewarding and provides opportunities to shape technical strategy and influence best practices within the team.

What are the key skills and qualifications needed to thrive in the Senior Javascript Developer position, and why are they important?

To thrive as a Senior Javascript Developer, a strong command of JavaScript (including ES6+), advanced front-end frameworks (like React, Angular, or Vue), and back-end technologies (such as Node.js) are essential, along with several years of professional coding experience. Familiarity with version control systems (like Git), CI/CD pipelines, and relevant certifications (e.g., AWS Certified Developer or JavaScript certifications) is highly valued. Excellent problem-solving abilities, mentorship skills, and effective communication help developers collaborate and lead within cross-functional teams. These skills enable Senior Javascript Developers to build robust applications, guide junior team members, and drive innovation in fast-paced tech environments.

What are the most commonly searched types of Javascript Developer jobs in Toronto, ON? The most popular types of Javascript Developer jobs in Toronto, ON are:
What are popular job titles related to Senior Javascript Developer jobs in Toronto, ON? For Senior Javascript Developer jobs in Toronto, ON, the most frequently searched job titles are:
What job categories do people searching Senior Javascript Developer jobs in Toronto, ON look for? The top searched job categories for Senior Javascript Developer jobs in Toronto, ON are:
Infographic showing various Senior Javascript Developer job openings in Toronto, ON as of June 2026, with employment types broken down into 63% Full Time, 27% Part Time, 3% Temporary, and 7% Contract. Highlights an 79% Physical, 6% Hybrid, and 15% Remote job distribution, with an average salary of $117,761 per year, or $56.6 per hour.

Senior React Developer

Smooth Commerce

Toronto, ON โ€ข On-site, Remote

CA$85K - CA$115K/yr

Full-time

Posted 26 days ago


Job description

Senior React Developer

Position Title: Senior React Developer

Department: Software Technology Team

Location: Toronto/Remote

Type: Hybrid

Experience Level: Mid-level to Senior (minimum 7 years of experience)

Annual Salary: CA$85,000 to CA$115,000 annually

Reporting Structure:

- Reports To: Software Development Manager

- Working Relationships: Collaborate closely with the Product & design team and other Development Teams (backend, iOS and Android)

About Smooth Commerce:

As a dynamic B2B SaaS platform, Smooth Commerce specializes in first-party white label web and app digital ordering, customer marketing, and loyalty systems, primarily serving the US and Canadian restaurant tech market. Our mission focuses on empowering our clients to lift sales, shift transactions to more cost-effective platforms, and thrive with data-driven insights. In an evolving digital world, we pride ourselves on innovating and collaborating to meet the changing needs of our clients.

About the role:

Smooth Commerce is looking for a Senior React Developer to join our team. As the Senior React Developer at Smooth Commerce, you will be responsible for the development of new features, enhancements and bug fixes for the company's web product offerings on the React framework. You will be responsible for the web platform that powers all our partner and customer facing apps. You will collaborate closely with product managers, designers, and backend developers to deliver high-quality, scalable, and responsive user interfaces. The ideal candidate will have strong leadership skills, a passion for frontend development, and a proven track record of delivering successful projects. This role is perfect for someone with strong technical expertise who's interested in stepping into a leadership role as our company grows.

What will you be doing?

Architect, design, and implement scalable and maintainable frontend solutions using React.js / Next.js and related technologies.

Ensure code quality, performance, and best practices are maintained throughout the development lifecycle.

Provide estimates on new features and bug fixes

Implement UX designs provided by the design team using React, Redux, CSS

Work closely with the QA team to develop automated functional tests for new features and enhancements

Collaborate with the backend team to understand and consume platform APIs, and to suggest modifications where appropriate

Code review pull requests from other web team members and provide constructive feedback to team members

Stay updated on emerging frontend technologies and industry trends, and recommend best practices and tools to enhance development processes.

Work with project managers and product teams to estimate timelines for new features and bug fixes, ensuring all stakeholders have clear expectations and timelines.

What are we looking for?

Bachelor's degree in Computer Science, Engineering, or related field.

Proven experience leading frontend projects, preferably in a client-focused SaaS setting with a passion and quality for coding and problem solving.

7+ years of front-end web development experience using CSS, HTML, JavaScript, React, Redux, Next.js, Material UI, Gatsby.js, with 2+ years in TypeScript.

Knowledge of react patterns such as, container/presentational, hooks etc.

Knowledge/experience in Formik, AWS S3, Jest, and Enzyme (or other testing frameworks) is a plus.

Familiarity with AWS, AWS CLI, Firebase, and modern CI/CD pipeline tools is a plus.

Hands-on experience in agile teams with a strong understanding of RESTful APIs and version control using Git. Experience working in agile teams.

Excellent communication and interpersonal skills, with the ability to work cross-functionally in a fast-paced environment and with remote teams across time zones.

What We Offer:

Smooth Commerce provides a dynamic and inclusive work environment with opportunities for professional growth and development. We value innovation, collaboration, and a client-centric approach.

We thank all applicants fortheir interest; however, only those selected for interviews will be contacted.