Senior React Developer for Large-Scale Frontend Applications

1 week ago

Toronto, Ontario, Canada S.i. Systèmes Full time

We are seeking a highly skilled Senior React Developer to support our upcoming release work at S.i. Systèmes, a leading provider of innovative solutions in the banking industry.

About the Role

We are looking for a seasoned developer with a strong background in React, responsive design, and accessibility. The ideal candidate will have excellent communication and collaboration skills, with the ability to work effectively in a hybrid environment.

Key Responsibilities

  • Design and implement large-scale frontend applications with a focus on performance, scalability, and maintainability.
  • Develop modular, reusable components to streamline development processes and ensure future scalability.
  • Orientate builds and workflows using tools like Webpack, Vite, and Nx to achieve efficient bundling, code-splitting, and tree-shaking.
  • Implement testing frameworks, including Jest and React Testing Library, to guarantee high-quality, maintainable code.
  • Collaborate cross-functionally with design, QA, copy, digital managers, and product owners to transform requirements into functional, intuitive user interfaces.
  • Enhance user experiences by ensuring accessibility and usability, meeting WCAG 2.0 AA guidelines.
  • Mentor and lead junior developers, sharing best practices in frontend development and fostering a learning-oriented team environment.
  • Utilize browser automation tools like Playwright to automate testing and monitor application performance across different browsers and devices.

Requirements

  • 5+ years of experience in frontend development with a focus on JavaScript, React ecosystem.
  • Strong expertise in modern build systems such as Vite, Webpack, and Nx, with experience optimizing build processes.
  • Experience with DOM manipulation and related browser APIs to enhance interactivity and performance.
  • In-depth knowledge of React frameworks (e.g., Next.js) and performance optimization techniques, including tree-shaking, lazy loading, and code-splitting.
  • Proficient in frontend testing and automation using Jest, React Testing Library, and Playwright.
  • Solid understanding of accessibility standards and experience in implementing accessible UIs.
  • Familiarity with version control systems such as Git and collaboration tools like JIRA and Confluence.
  • Banking experience is essential.

Compensation

The estimated salary for this position is $120,000 - $150,000 per annum, depending on experience and qualifications.

About S.i. Systèmes

S.i. Systèmes is a dynamic company that offers a competitive compensation package, comprehensive benefits, and opportunities for professional growth and development.

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