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React.JS Developer
LinkedIn Recruiter Post
Hiring React.JS Developer for hybrid role in Mississauga, ON. Requires strong ReactJS, HTML5, CSS, JavaScript, and Redux experience.
About the role
- Senior Frontend Software Developer building user-facing experiences for a global commerce company in gaming. Collaborating with international teams to deliver high-performance frontend solutions.
Responsibilities
- Collaborate with product managers, designers, and backend engineers to translate complex requirements into intuitive user experiences.
- Design, build and evolve scalable, high-performance frontend web applications.
- Participate in code reviews, share best practices, and help maintain high engineering standards within the frontend team.
- Work closely with DevOps to streamline CI/CD pipelines, improve deployment reliability, and enhance observability through metrics and monitoring tools.
- Own features end-to-end such as requirement refinement, implementation, testing, and delivery.
- Optimize frontend performance, focusing on loading times, rendering speed, and bundle efficiency.
- Ensure cross-browser and multi-device compatibility while meeting accessibility (a11y) and usability standards.
- Contribute to the modernization, refactoring, and continuous performance improvements to keep the platform scalable, maintainable, and aligned with product goals.
- Contribute and enforce engineering best practices across coding, documentation, testing, and review processes.
- Ensure strong automated test coverage and reliable CI/CD workflows that reduce manual effort and improve delivery predictability.
- Own operational excellence, including incident response, root-cause analysis, and long-term reliability improvements.
- Advocate for scalability, performance, security, and observability across the platform’s architecture and tooling.
- Identify technical risks, estimate complexity, and communicate trade-offs to leadership and stakeholders.
Requirements
- At least 2+ years of experience holding a senior frontend development title.
- 7+ years of frontend software development experience with strong expertise in modern frontend frameworks at scale.
- Extensive experience with Typescript, React, Redux or modern state management libraries.
- Experience with module federation, component architecture, performance optimizations, accessibility, RSC, and SSR patterns.
- Strong expertise in modern CSS frameworks and UX/UI design systems and principles.
- Solid understanding of microservices architecture and RESTful or RPC-style APIs integration and patterns.
- Proficiency with Node.js and MongoDB for server-side functionality.
- Experience with automated testing frameworks (Vitest/Jest) and end-to-end testing (Playwright/Cypress).
- Good understanding of bundling and compilation (e.g., webpack, rollup, vite, esbuild).
- Experience with CI/CD workflows (GitLab CI or similar), private registries, and secure artifact handling.
- Proven ability to influence technical decisions and drive change.
- Experience in a leadership role is a plus.
- Excellent interpersonal and communication skills facilitating effective collaboration with a cross functional team.
- Committed to writing high-quality code and continuously improving projects.
- Strong understanding of development best practices, including design patterns, testing methodologies, and an agile development process.
- Passionate about software development with a track record of continuous growth.
- Bachelor’s or Master’s degree in Computer Science, Engineering, or a related field.
Benefits
- Equal Employment Opportunity Statement
- We celebrate diversity and are committed to creating an inclusive environment for all employees.
- We do not discriminate based on any characteristic protected by law.
- We consider qualified applicants with criminal histories in accordance with the Fair Chance Act.
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