Senior Frontend Developer

Optimyze1; Toronto; Remote; CAD 160,000 - 190,000; Full time

Job summary

A fast-moving startup in Toronto seeks a Senior Front-End Developer / Full Stack Engineer. Join a driven team focused on AI solutions, where you'll lead feature development, mentor junior engineers, and optimize product performance in a flexible remote environment.

Benefits

Competitive compensation

Meaningful equity

Flexible remote work environment

Rapid opportunity for growth and learning

Qualifications

• 7+ years of professional development experience required.
• Experience with modern CSS frameworks like Tailwind or Bootstrap.

Responsibilities

• Lead development of high-impact features across the front end and full stack.
• Build intuitive, responsive UIs using React, TypeScript, HTML, and CSS.

Skills

HTML

CSS

Responsive Design

Communication

Collaboration

Tools

React

TypeScript

Node.js

Express

Git

Docker

Job description

Get AI-powered advice on this job and more exclusive features.

This range is provided by Optimyze1. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more.

Base pay range

CA$160,000.00/yr - CA$190,000.00/yr

Direct message the job poster from Optimyze1

Talent Acquisition [Tech(SaaS)/Climate-Tech/Sustainability] I help companies hire amazing talent & people make their careers incredible

Senior Front-End Developer / Full Stack Engineer

About The Role:

A fast-moving startup backed by top-tier investors, focused on building AI driven solutions. Our lean and driven team thrives on solving meaningful problems, delivering real customer value, and iterating quickly. We’re looking for a Senior Front-End Developer / Full Stack Engineer who brings deep technical expertise and a startup mindset to help take our product to the next level.

***Sponsorship is not possible for this opportunity: You must have a valid work-permit/Citizenship to work in Canada*****

What You'll Do

1. Lead development of high-impact features across the front end and full stack
2. Build intuitive, responsive UIs using React, TypeScript, HTML, CSS, and modern CSS frameworks (e.g., Tailwind, Bootstrap)
3. Develop scalable APIs and backend logic using Node.js and Express
4. Integrate and design RESTful and GraphQL APIs
5. Work closely with product and design to turn ideas into polished user experiences
6. Contribute to architecture, performance optimization, and code quality standards
7. Mentor junior engineers and help shape our development practices and culture

Back End: Node.js, Express

APIs: REST, GraphQL

Tooling: Git, Webpack/Vite, Docker (nice to have), CI/CD tools

Cloud: AWS, Vercel, or similar (optional but valuable)

What We're Looking For

1. 7+ years of professional development experience, including:
2. Strong command of HTML, CSS, and responsive design principles
3. Experience using modern CSS frameworks like Tailwind, Bootstrap, or similar
4. Familiarity with building and consuming REST and GraphQL APIs
5. Comfortable across the stack, particularly with Node.js and Express
6. Product-oriented mindset with experience working in startup environments
7. Strong communication and collaboration skills
8. A proactive, ownership-driven attitude—you thrive in fast-moving teams

Nice to Have

1. Experience with mobile-first or responsive design best practices
2. Exposure to testing tools and frameworks (e.g., Jest, Cypress)
3. Familiarity with cloud deployments (AWS, Vercel, GCP)
4. Contributions to open source or side projects

Why You’ll Love Working With Us

• Key role in a small, senior-level team with high ownership
• Competitive compensation and meaningful equity
• Flexible remote work environment
• Rapid opportunity for growth and learning
• A chance to build something from the ground up with passionate teammates

Seniority level

• Mid-Senior level

Employment type

• Full-time

Job function

• Software Development

Referrals increase your chances of interviewing at Optimyze1 by 2x

Get notified about new Frontend Developer jobs in Toronto, Ontario, Canada.

Related Jobs

• Front-End Developer (Rumble Advertising Center)
• Front End Developer - Master's Level Internship
• Front-End Developer Expertise for AI Training