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

Rumble - Career Page

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 ...

AutoTrader.ca

Senior Software Engineer

Toronto, ON · Remote

You will contribute across a polyglot stack that includes PHP (Laravel), JavaScript, and TypeScript ... As a senior engineer, you will also help elevate your team's AI capabilities by modeling effective ...

Rumble

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 ...

Scotiabank

Senior Engineer, AI Native SDLC

Toronto, ON · On-site

The Senior Engineer / Senior Manager is a hands on technical leader and SDLC owner responsible for ... Write highquality production code (TypeScript/JavaScript or Python) and contribute directly to ...

SRED.io

Senior Software Engineer

Toronto, ON · Hybrid

Our mission is simple: eliminate the friction of SR&ED claims so companies can focus on what ... Strong proficiency in JavaScript/TypeScript and the MEAN stack * Solid experience with Angular (v10 ...

Munich Re

Senior ML Engineer

Toronto, ON · On-site

As a Senior Machine Learning Engineer, you will play a key role in designing, building, and ... JavaScript, TypeScript) * Proficiency with industry leading ML frameworks such as TensorFlow and ...

MBR Partners

Senior Software Engineer

Toronto, ON · Remote

$150K/yr

With a back-end team in the Philippines, I'm currently hiring for a Senior Software Engineer ... Python and JavaScript Strong backend development and software architecture skills Experience in ...

Refinitiv

Senior Software Engineer, AI

Toronto, ON · On-site

$100 - $145/hr

Senior Software Engineer, Agentic AISkip to main content# **Our Privacy Statement & Cookie Policy ... Proficiency in Python; familiarity with Java, JavaScript, or C++ is a plus* ML Basics:

MBR Partners

Senior Software Engineer

Toronto, ON · Remote

$150K/yr

With a back-end team in the Philippines, I'm currently hiring for a Senior Software Engineer ... Python and JavaScript Strong backend development and software architecture skills Experience in ...

Forma.ai

Senior Frontend Engineer

Toronto, ON

Reporting to the VP of Engineering the Senior Frontend Engineer will play a key role in building ... JavaScript, React, TypeScript Backend: Java/Springboot, Django, Postgres Infrastructure: AWS ...

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All JobsJavascript Engineer JobsSenior Javascript Engineer JobsSenior Javascript Engineer Jobs in Toronto, ON

Senior Javascript Engineer information

See Toronto, ON salary details

$92.6K

$139.3K

$176.6K

How much do senior javascript engineer jobs pay per year?

As of Jul 26, 2026, the average yearly pay for senior javascript engineer in Toronto, ON is $139,304.00, according to ZipRecruiter salary data. Most workers in this role earn between $122,632.00 and $154,125.00 per year, depending on experience, location, and employer.

What does a Senior JavaScript Engineer do?

A Senior JavaScript Engineer is responsible for designing, developing, and maintaining complex web applications using JavaScript and related technologies. They often lead development teams, make architectural decisions, and ensure best coding practices are followed. In addition to writing code, they may mentor junior developers, review code for quality, and collaborate with cross-functional teams to deliver high-quality software solutions.

What are some common challenges faced by Senior JavaScript Engineers when leading projects with cross-functional teams?

Senior JavaScript Engineers often encounter challenges such as aligning frontend and backend development timelines, ensuring code quality across distributed teams, and effectively communicating complex technical concepts to non-technical stakeholders. Managing dependencies between various team members and integrating new technologies or frameworks can also present difficulties. Successful engineers overcome these challenges by fostering clear communication, implementing robust documentation, and promoting collaborative problem-solving within agile workflows.

What are the key skills and qualifications needed to thrive as a Senior Javascript Engineer, and why are they important?

To thrive as a Senior Javascript Engineer, you need deep expertise in JavaScript, modern front-end frameworks (like React or Angular), and a solid grasp of software engineering principles, typically supported by a degree in computer science or equivalent experience. Familiarity with build tools (Webpack, Babel), version control systems (Git), and automated testing frameworks is crucial for efficient development. Strong problem-solving skills, effective communication, and leadership abilities help you mentor team members and collaborate on complex projects. These skills are vital for delivering high-quality, scalable applications and driving innovation within development teams.
What are popular job titles related to Senior Javascript Engineer jobs in Toronto, ON? For Senior Javascript Engineer jobs in Toronto, ON, the most frequently searched job titles are:
What job categories do people searching Senior Javascript Engineer jobs in Toronto, ON look for? The top searched job categories for Senior Javascript Engineer jobs in Toronto, ON are:
Senior Javascript Engineer jobs near you
Infographic showing various Senior Javascript Engineer job openings in Toronto, ON as of July 2026, with employment types broken down into 97% Full Time, 1% Part Time, and 2% Contract. Highlights an 87% Physical, 5% Hybrid, and 8% Remote job distribution, with an average salary of $139,304 per year, or $67 per hour.

Senior Software Engineer (Full-Stack JavaScript)

Logical Information Machines

Toronto, ON

CA$90K - CA$132K/yr

Full-time

Posted 27 days ago

Job description

About Morningstar

Morningstar unites problem solvers with a clear goal: helping investors achieve their financialobjectives. As a leading investment research and data company, we stand out by how we apply our insights to serve a broad range of users. Our independent investment research, powered bycutting-edgetechnology and design, provides tailored solutions that meet users' needs. Witha strong foundationin data and innovation, we deliver comprehensive services to investors worldwide - empowering better decisions for individuals and those managing money for millions.

The Role

We are seeking a Senior Software Engineerwith full-stack JavaScript experience to join the Central Technology Web Development team in support of Morningstar's Corporate Marketing. This position will be part of an engineering team focused on updating Morningstar's web-based marketing platforms. The position includes the development of new systems, maintenance, and improvement of existing applications. Candidates should have solid software engineering experience in building commercial-grade web-based applications using modern frameworks.

Location: Toronto, ON (We follow a hybrid policy of 4 days onsite)

Job Responsibilities

  • Develop full-stack web applications using Vue.js, Nuxt 3, TypeScript, Node.js, and AWS.
  • Build and maintain server-side rendered and universal web applications, with awareness of routing, hydration, caching, browser behavior, and performance.
  • Create reusable front-end components and contribute to component libraries and design-system patterns.
  • Build and maintain Node.js-based APIs, middleware, and service integrations, including integrations with headless CMS, analytics, personalization, and third-party platforms.
  • Contribute to AI-enabled marketing workflows, including tools that assist with content creation, content migration, schema mapping, personalization, experimentation, and operational automation.
  • Support production-quality delivery through testing, debugging, monitoring, accessibility, SEO, security, privacy, and Core Web Vitals improvements.
  • Troubleshoot issues across browser behavior, API responses, CMS configuration, cloud infrastructure, and build pipelines.
  • Participate in code reviews, technical discussions, documentation, and team planning while continuing to grow technical depth across the stack.

Qualifications

  • 3+ years of professional software development experience, preferably with a focus on full-stack JavaScript or TypeScript.
  • Experience with modern front-end frameworks such as Vue, Nuxt, React, Next.js, Angular, or similar.
  • Familiarity with server-side rendered, statically generated, or universal JavaScript applications.
  • Solid understanding of browser fundamentals, including rendering, JavaScript execution, caching, networking, accessibility, and performance.
  • Strong JavaScript or TypeScript skills, including asynchronous programming, modular code, package management, and modern build tooling such as Vite, Webpack, Rollup, or similar.
  • Experience building or consuming RESTful APIs, Node.js services, middleware, or integrations with external platforms.
  • Familiarity with deploying, debugging, or monitoring applications in AWS or a similar cloud environment.
  • Strong communication skills, curiosity, and the ability to work collaboratively with engineers, product managers, designers, content teams, and other cross-functional partners.

Nice to have

  • Experience with headless Content Management Systems likeContentstack.
  • Experiencedeveloping foror partnering with digital marketing teams,particularly aroundcontent personalization, analytics, or lead generation workflows.
Base Salary Compensation Range$90,489.00-132,711.00

Incentive Target Percentage

12.5% Annual

Morningstar's hybrid work environment gives you the opportunity to collaborate in-person each week as we've found that we're at our best when we're purposely together on a regular basis. In most of our locations, our hybrid work model is four days in-office each week. A range of other benefits are also available to enhance flexibility as needs change. No matter where you are, you'll have tools and resources to engage meaningfully with your global colleagues.

100_MstarResCanad Morningstar Research, Inc. (Canada) Legal Entity

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