Senior Frontend Developer(React JS

1 week ago

Ottawa, Canada Avanciers Inc. Full time

Avanciers is seeking a highly skilled Senior Frontend Developer(React JS & Next JS) to join our team for an exciting Fulltime role with one of our esteemed Fortune 500 clients, based in Canada. This is a Hybrid role.

Position: Senior Frontend Developer(React JS & Next JS)

Location: Toronto, ON - Hybrid

Job Description:

Job Summary

We are looking for a talented React.js & Next.js Developer to join our engineering team. The ideal candidate will be responsible for building high-performance, SEO-friendly, and scalable web applications using modern frontend technologies. You will collaborate with designers, backend engineers, and product managers to deliver seamless user experiences.

Key Responsibilities

- Develop dynamic and responsive user interfaces using React.js and Next.js.
- Implement server-side rendering (SSR), static site generation (SSG), and API routes in Next.js.
- Build reusable components and frontend architecture using modern JavaScript/TypeScript.
- Optimize applications for maximum speed, performance, and SEO.
- Integrate RESTful APIs and GraphQL services.
- Work closely with UI/UX designers to translate designs into high-quality code.
- Manage state using tools like Redux, Zustand, Context API, or similar libraries.
- Write clean, maintainable, and testable code with unit tests using Jest or React Testing Library.
- Collaborate in Agile/Scrum teams for sprint planning, daily standups, and issue tracking.
- Troubleshoot, debug, and resolve performance or functional issues.

Required Skills & Qualifications

- Bachelor’s degree in Computer Science, Engineering, or equivalent practical experience.
- 8+ years of experience in frontend development.
- Strong expertise in React.js (hooks, lifecycle, state management, routing).
- Hands-on experience with Next.js — SSR, SSG, ISR, and API routes.
- Solid understanding of JavaScript (ES6+) and TypeScript.
- Proficient in HTML5, CSS3, SCSS, and responsive design principles.
- Experience with version control systems such as Git/GitHub.
- Strong understanding of performance optimization, SEO best practices, and accessibility.

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