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Sr Frontend Developer Jobs in Toronto, ON (NOW HIRING)

Moneris

Senior Front End Developer

Toronto, ON · On-site +1

CA$100K - CA$142K/yr

Senior Frontend Developer Your Moneris Career - The Opportunity As a Senior Frontend Developer, you will play a critical role in designing, building, and delivering modern digital experiences that ...

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 across our platform, including video pages, listings, and short-form content surfaces. This is a senior ...

Rumble

Senior Front-End Engineer

Toronto, ON

CA$150K - CA$179K/yr

Rumble is seeking a Senior Front-End Engineer to help evolve and scale the core web experiences across our platform, including video pages, listings, and short-form content surfaces. This is a senior ...

uTrack Energy

Front-end Developer

Toronto, ON

The RoleWe are looking for a Senior Frontend Developer to lead the development of our user-facing ecosystem. In this role, you will bridge the gap between complex energy data and intuitive user ...

Forma.ai

Senior Frontend Engineer

Toronto, ON

Reporting to the VP of Engineering the Senior Frontend Engineer will play a key role in building ... Improve frontend architecture, performance, accessibility, testing, and developer experience.

Wisedocs AI

Senior Front End Engineer

Toronto, ON · On-site

Role Summary We're seeking a Senior Front End Engineer to shape the future of AI-powered document interaction. In this role, you'll lead a small engineering team while designing and implementing ...

Smile.io

Senior Front-End Engineer

Toronto, ON · Remote

... Senior Full Stack Engineer with specialization in Front-End development and a solid understanding ... Care about crafting delightful user and developer experiences * Are excited about how AI is ...

Financeit

Senior Developer 1 - Front End

Toronto, ON

We are looking for an experienced Senior Front-End Software Developer to help us craft scalable, accessible, and ultra-responsive web experiences. In this role, you will write clean, testable code to ...

Financeit

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, accessible, and ultra-responsive web experiences. In this role, you will write clean, testable code to ...

Financeit

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, accessible, and ultra-responsive web experiences. In this role, you will write clean, testable code to ...

EvenUp

Frontend Engineer, Growth & Agents

Toronto, ON · Remote

CA$160K - CA$215K/yr

As one of the senior frontend engineers on the team, you'll own technical decisions end-to-end, from shaping ambiguous product ideas through production. You'll partner closely with Product and Design ...

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All JobsSr Frontend Developer JobsSr Frontend Developer Jobs in Toronto, ON

Sr Frontend Developer information

What is the difference between Sr Frontend Developer vs Frontend Developer?

AspectSr Frontend DeveloperFrontend Developer
Required ExperienceTypically 5+ years, leadership skills1-3 years, entry to mid-level
ResponsibilitiesAdvanced coding, mentoring, project leadershipImplementing UI features, bug fixes
Skills & CertificationsExpertise in JavaScript, frameworks, leadershipHTML, CSS, JavaScript basics
Work EnvironmentSenior roles in teams, project planningDevelopment teams, collaborative projects

The main difference between a Sr Frontend Developer and a Frontend Developer lies in experience, responsibilities, and leadership. Senior developers handle complex tasks, mentor others, and lead projects, while frontend developers focus on implementing features and fixing bugs. Both roles require strong JavaScript, HTML, and CSS skills, but senior roles demand more experience and strategic input.

What is a Sr Frontend Developer?

Sr Frontend Developers are experienced software engineers who specialize in building and optimizing the user interfaces of web applications. They are responsible for translating design mockups into interactive, responsive, and accessible web pages using technologies like HTML, CSS, and JavaScript frameworks (such as React, Angular, or Vue). In addition to coding, Sr Frontend Developers often lead technical decisions, mentor junior developers, and collaborate closely with designers and backend engineers to deliver high-quality user experiences. Their expertise ensures that web applications are visually appealing, performant, and user-friendly.

What are some common challenges faced by Sr Frontend Developers when working on cross-functional teams?

Sr Frontend Developers often collaborate closely with backend engineers, UX/UI designers, and product managers. A common challenge in these environments is ensuring clear communication of technical requirements and design expectations to avoid misunderstandings that can lead to rework. Balancing user experience with technical feasibility is another frequent hurdle, especially when negotiating priorities between design vision and performance constraints. Effective Sr Frontend Developers proactively bridge gaps through strong documentation, regular alignment meetings, and by advocating for best practices in both development and design.

What are the key skills and qualifications needed to thrive as a Sr Frontend Developer?

To thrive as a Sr Frontend Developer, you need deep expertise in HTML, CSS, JavaScript, and modern front-end frameworks like React or Angular, usually backed by a degree in computer science or equivalent experience. Advanced knowledge of tools such as Git, Webpack, RESTful APIs, and proficiency with testing frameworks is typically required. Outstanding problem-solving abilities, strong collaboration, and effective communication set top performers apart in this role. These skills ensure the delivery of high-quality, user-friendly interfaces and seamless teamwork in fast-paced development environments.
What are popular job titles related to Sr Frontend Developer jobs in Toronto, ON? For Sr Frontend Developer jobs in Toronto, ON, the most frequently searched job titles are:
What job categories do people searching Sr Frontend Developer jobs in Toronto, ON look for? The top searched job categories for Sr Frontend Developer jobs in Toronto, ON are:
What cities near Toronto, ON are hiring for Sr Frontend Developer jobs? Cities near Toronto, ON with the most Sr Frontend Developer job openings:
Sr Frontend Developer jobs near you
Infographic showing various Sr Frontend Developer job openings in Toronto, ON as of August 2026, with employment types broken down into 1% As Needed, 73% Full Time, 22% Part Time, and 4% Contract. Highlights an 86% Physical, 5% Hybrid, and 9% Remote job distribution.

Sr Front End Developer

Pacific Programming and Tech Inc

Toronto, ON

Full-time

Medical, PTO

Re-posted 16 days ago

Job description

We create modern, high-quality web applications focused on performance, scalability, and great user experience. We're currently looking for aSenior Front-End Developerwho is passionate about clean code, attention to detail, and building polished interfaces that align with our existing design system.


Role Overview

As a Senior Front-End Developer, you will work with our product and design teams to implement user interfaces using React.js, following our design system and UI standards.

You'll play a key role in ensuring visual consistency, accessibility, and performance across all our products.


Key Responsibilities

  • Develop and maintain high-quality, responsive interfaces using React.js and TypeScript
  • Implement new features and components based on our existing design system
  • Collaborate with designers to translate Figma designs into clean, reusable React components
  • Ensure design consistency by following established UI patterns and tokens
  • Work with shadcn/ui and other component libraries to deliver production-ready interfaces
  • Optimize performance, accessibility, and responsiveness across devices
  • Participate in code reviews and contribute to best practices for front-end development
  • Collaborate with backend and product teams to integrate APIs effectively


Required Qualifications

  • 5+ years of professional experience with React.js and modern front-end development
  • Strong knowledge of JavaScript/TypeScript, HTML5, and CSS3
  • Experience working with design systems and implementing Figma designs
  • Hands-on experience with shadcn/ui
  • Solid understanding of responsive design and accessibility principles
  • Experience consuming RESTful
  • Familiarity with Git and modern development workflows


Nice to Have

  • Experience with Next.js or other React frameworks
  • Knowledge of Storybook or UI documentation tools
  • Experience writing unit tests (Jest, React Testing Library)
  • Familiarity with Tailwind CSS 4


Soft Skills

  • Strong attention to detail and design fidelity
  • Excellent communication and teamwork
  • Proactive and reliable with strong ownership of tasks
  • Able to work independently and meet deadlines


What We Offer

  • Competitive salary
  • Comprehensive health benefits package
  • Paid vacation, personal, and sick days
  • Opportunities for continuous learning and growth
  • Collaborative, friendly, and supportive work culture

Apply