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

As a Senior Software Developer , you'll play a key role in designing and building high-performing ... Strong skills in TypeScript and JavaScript * Experience with CSS layout and preprocessors (e.g ...

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 ...

Senior Back-End Developer

Toronto, ON · On-site

CA$135K - CA$154K/yr

Rumble is seeking a Senior Back-End Developer to design, build, and maintain high-performance ... Working knowledge of front-end technologies such as JavaScript or TypeScript, HTML, and CSS, along ...

Senior Fullstack Developer

Toronto, ON · Remote

CA$120K - CA$145K/yr

Excellent knowledge and proficiency with tools of the trade, including HTML, CSS (SCSS), JavaScript ... Senior Fullstack Developer application" . Please note that we are unable to respond to general ...

Senior Developer 1 - Front End

Toronto, ON · On-site +1

CA$120K - CA$130K/yr

We are looking for an experienced Senior Front-End Software Developer to help us craft scalable ... Expert in HTML, CSS, JavaScript * Ability to implement responsive design and debug complex layout ...

Senior Developer 1 - Front End

Toronto, ON · On-site

CA$120K - CA$130K/yr

We are looking for an experienced Senior Front-End Software Developer to help us craft scalable ... Expert in HTML, CSS, JavaScript * Ability to implement responsive design and debug complex layout ...

Senior angular developer is an intermediate level position responsible for participation in the ... Extensive knowledge of core JavaScript concepts and design patterns. Proven experience with ...

Senior Frontend Developer We're looking for a Senior Frontend Developer to build and scale the ... Excellent knowledge of TypeScript , JavaScript (ES6+) , HTML5 , and CSS3 * Experience with modern ...

Senior Front-End Engineer

Toronto, ON · On-site +1

CA$150K - CA$179K/yr

Rumble is seeking a Senior Front-End Engineer to help evolve and scale the core web experiences ... A strong grasp of browser fundamentals, rendering models, and JavaScript internals is critical ...

The Senior TypeScript Developer role focuses on designing and building scalable applications ... Strong understanding of JavaScript fundamentals, ES6+, and asynchronous programming. * Experience ...

NET applications using C#, .NET Framework, HTML5, CSS3, JavaScript, and AJAX. * Service Integration ... Backend Data Engineering: Write complex SQL queries, stored procedures, user-defined functions ...

Senior Software Developer

Oakville, ON · On-site +1

CA$120K - CA$135K/yr

Our client is seeking an experienced Senior Software Developer (Full Stack) with 7+ years of ... with Node.js, C#, C++, JavaScript/TypeScript, HTML5, and Single Page Applications (SPA ...

Showing results 21-40

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 Sep 2, 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?

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 the key skills and qualifications needed to thrive as a senior JavaScript developer?

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 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 most commonly searched types of Javascript Developer jobs in Toronto, ON?

The most popular types of Javascript Developer jobs in Toronto, ON 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:

What cities near Toronto, ON are hiring for Senior Javascript Developer jobs?

Cities near Toronto, ON with the most Senior Javascript Developer job openings:

Infographic showing various Senior Javascript Developer job openings in Toronto, ON as of August 2026, with employment types broken down into 84% Full Time, 3% Part Time, and 13% Contract. Highlights an 79% Physical, 8% Hybrid, and 13% Remote job distribution, with an average salary of $117,761 per year, or $56.6 per hour.

Senior Software Developer

Fortive

Mississauga, ON • On-site, Remote

Full-time

Medical, Dental, Vision, PTO

Re-posted 3 days ago


Fortive rating

7.3

Company rating: 7.3 out of 10

Based on 8 frontline employees who took The Breakroom Quiz


Job description

Why You Should Join Intelex?

At Intelex Technologies, we're on a mission to empower organizations to achieve safer, more sustainable operations through innovative EHSQ software solutions. With over 1,300 clients and 1.6 million users worldwide, we're proud to be recognized as one of North America's fastest-growing tech companies and a certified Great Place to Work for over seven years. Join a team that values craftsmanship, collaboration, and continuous learning-and help shape the future of enterprise software.

What You'll Do?

As a Senior Software Developer, you'll play a key role in designing and building high-performing, user-friendly applications on our next-generation platform. You'll collaborate across disciplines in an Agile and DevOps-driven environment to deliver impactful solutions that delight our customers.

Your responsibilities will include:

  • Partnering with Product Managers, UX Designers, and fellow developers to translate business needs into scalable software solutions
  • Designing and implementing new features using modern architectural patterns like microservices and microfrontends
  • Troubleshooting and resolving complex technical issues with persistence and creativity
  • Contributing to sprint planning and proactively removing blockers to meet delivery goals
  • Mentoring team members on best practices, new technologies, and architectural decisions
  • Driving continuous improvement in development processes, tooling, and team collaboration
  • Championing clean code, usability, and performance in every solution you build

What You Bring?

We're looking for a passionate and experienced developer who thrives in a collaborative environment and is committed to delivering high-quality software.

Must-Have Qualifications:

  • 5+ years of professional experience in web application development
  • Proficiency with modern front-end frameworks (React preferred; Angular or Vue also considered)
  • Strong skills in TypeScript and JavaScript
  • Experience with CSS layout and preprocessors (e.g., Sass or Less)
  • Solid understanding of RESTful APIs and database technologies (SQL and/or NoSQL)
  • Familiarity with user experience (UX) design principles
  • Excellent communication skills and a collaborative mindset
  • A proactive, detail-oriented approach to problem-solving and continuous learning

Nice-to-Have Qualifications:

  • Experience with C# and the .NET ecosystem
  • Knowledge of CI/CD and Infrastructure as Code tools (e.g., Terraform, GitHub Actions, Jenkins)
  • Familiarity with JavaScript bundlers (Webpack, Babel)
  • Exposure to telemetry, monitoring, and observability tools
  • Experience with design systems and component libraries (e.g., MUI)
  • Hands-on experience with end-to-end testing frameworks (e.g., Playwright)
  • Understanding of microfrontend frameworks (e.g., Piral)
  • Experience with cloud platforms (AWS or Azure) and container technologies (Docker, Kubernetes)
  • Background in developing enterprise or SaaS products

Education:
Bachelor's degree in Computer Science, Engineering, or equivalent practical experience

Additional Requirements:
This role requires a satisfactory Criminal Background Check and Public Safety Verification.

What You'll Get

At Intelex, we believe in supporting our team members with benefits that promote well-being, growth, and work-life balance:

  • Competitive compensation package
  • Flexible remote work options
  • Generous vacation and paid time off
  • Comprehensive health, dental, and vision insurance
  • Parental leave and family support programs
  • Professional development and learning opportunities
  • Inclusive and collaborative culture that values diversity
  • Recognition programs and employee resource groups
  • Opportunity to make a meaningful impact in a fast-growing tech company

Fortive Corporation Overview

Fortive's essential technology makes the world stronger, safer, and smarter. We accelerate transformation across a broad range of applications including environmental, health and safety compliance, industrial condition monitoring, next-generation product design, and healthcare safety solutions.

We are a global industrial technology innovator with a startup spirit. Our forward-looking companies lead the way in software-powered workflow solutions, data-driven intelligence, AI-powered automation, and other disruptive technologies. We're a force for progress, working alongside our customers and partners to solve challenges on a global scale, from workplace safety in the most demanding conditions to groundbreaking sustainability solutions.

We are a diverse team 18,000 strong, united by a dynamic, inclusive culture and energized by limitless learning and growth. We use the proven Fortive Business System (FBS) to accelerate our positive impact. 

At Fortive, we believe in you. We believe in your potential-your ability to learn, grow, and make a difference. 

At Fortive, we believe in us. We believe in the power of people working together to solve problems no one could solve alone. 

At Fortive, we believe in growth. We're honest about what's working and what isn't, and we never stop improving and innovating.

Fortive: For you, for us, for growth.

About Intelex

Trusted Since 1992, Intelex Technologies, ULC. is a global leader in the development and support of software solutions for Environment, Health, Safety and Quality (EHSQ) programs. Our scalable, web-based software provides clients with unprecedented flexibility in managing, tracking and reporting on essential corporate information. Intelex software easily integrates with common ERP systems like SAP and PeopleSoft creating a seamless solution for enterprise-wide information management. Intelex's friendly, knowledgeable staff ensures our almost 1400 clients and over 3.5 million users from companies across the globe get the most out of our groundbreaking, user-friendly software solutions. Visit www.intelex.com to learn more.

We Are an Equal Opportunity Employer
 
Fortive Corporation and all Fortive Companies are proud to be equal opportunity employers. We value and encourage diversity and solicit applications from all qualified applicants without regard to race, color, national origin, religion, sex, age, marital status, disability, veteran status, sexual orientation, gender identity or expression, or other characteristics protected by law. Fortive and all Fortive Companies are also committed to providing reasonable accommodations for applicants with disabilities. Individuals who need a reasonable accommodation because of a disability for any part of the employment application process, please contact us at applyassistance@fortive.com.  

What Fortive employees say

Pay

Hours and flexibility

Workplace

Get the full story on Breakroom


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About Fortive

Sourced by ZipRecruiter

Fortive is a diversified technology company that operates across multiple industries, delivering innovative solutions and products that empower businesses to enhance their productivity and operational efficiency. With a strong portfolio of industry-leading brands, Fortive focuses on creating intelligent, connected devices and software that enable precise measurement, control, and optimization. Fortive's expertise spans various sectors, including industrial automation, transportation, healthcare, and retail. Through advanced technologies and solutions, Fortive help customers automate processes, improve quality and safety, and drive overall performance. Whether it's precision measurement instruments, sensing technologies, or software platforms, Fortive provides reliable and scalable solutions that meet the evolving needs of their customers.

Industry

Electrical equipment, appliance, and component manufacturing

Company size

5,001 - 10,000 Employees

Headquarters location

Everett, WA, US

Year founded

2016

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