Lead Senior Front End Developer (Frontend Full Stack)

Full Time
  • Full Time
  • Toronto

Optimyze1



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 is looking for their next hire. The lean and driven team thrives on solving meaningful problems, delivering real customer value, and iterating quickly. They are 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:

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

Tech stackFront End: React, JavaScript (ES6+), TypeScript, HTML5, CSS3, Tailwind CSS / Bootstrap Back


End:Node.js, Express APIs: REST,


  • Graph SQLDatabases: PostgreSQL, MongoDB (SQL & NosTooling Git, Webpack/Vite, Docker
  • (nice to have), CI/CD tool
  • Cloud: AWS, Vercel, or similar (optional but valuable)

What We’re Looking For


  • Around 7+ years of professional development experience, including some leadership experience
  • Deep expertise in JavaScript, React, TypeScript
  • Strong command of HTML, CSS, and responsive design principles
  • Experience using modern CSS frameworks like Tailwind, Bootstrap, or similar
  • Familiarity with building and consuming REST and GraphQLA
  • Comfortable across the stack, particularly with Node.js and Express
  • Product-oriented mindset with experience working in startup environments
  • Strong communication and collaboration skills
  • A proactive, ownership-driven attitude-you thrive in fast-moving teams


Nice to Have

  • Exposure to testing tools and frameworks (e.g., Jest, Cypress)
  • Familiarity with cloud deployments (AWS, Vercel)

Why You’ll Love the Job

  • Play a key role in a small, senior-level team with high ownerships
  • 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

Base Salary: CAD 180K-190K + equity

Source

To apply, please visit the following URL: