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This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Senior JavaScript Software Engineer - React based in Canada.
You will join a highly experienced engineering organization focused on building modern, scalable digital products for global enterprise clients. In this role, you will work on impactful projects that transform complex business requirements into high-quality web applications using React and modern JavaScript ecosystems. You will collaborate with distributed, cross-functional teams including designers, backend engineers, DevOps, and client stakeholders to deliver robust, production-grade solutions. The environment is fast-paced, agile, and deeply collaborative, with a strong emphasis on engineering excellence and clean architecture. You will be responsible for shaping frontend standards, improving system performance, and ensuring long-term maintainability across applications. This role is ideal for engineers who enjoy solving real-world problems, working closely with clients, and continuously improving both product and code quality.
Accountabilities
You will be responsible for designing, developing, and maintaining high-performance frontend applications using React and modern JavaScript, while ensuring scalable and maintainable architecture across projects. You will contribute to technical design discussions, help define coding standards, and collaborate with technical leads to ensure consistent engineering practices.
- Build and maintain responsive, scalable web applications using JavaScript and React
- Contribute to component design, architecture decisions, and frontend system structure
- Optimize application performance, scalability, and reliability
- Participate in code reviews, pull requests, and collaborative development workflows
- Support CI/CD processes, testing strategies, and deployment practices
- Collaborate with backend engineers, product teams, and clients to refine requirements
- Assist in designing data storage and integration solutions where needed
- Ensure high-quality delivery aligned with agile development practices
Requirements
You bring strong senior-level engineering experience with deep expertise in JavaScript and React, along with a proven ability to deliver complex production systems in agile environments. You are comfortable working across the full development lifecycle and collaborating with technical and non-technical stakeholders.
- 6+ years of professional software engineering experience
- Strong expertise in JavaScript (ES6+) and React
- Experience with modern frontend architecture and component-based design
- Solid understanding of Git, version control workflows, and code reviews
- Experience with unit, integration, and end-to-end testing practices
- Familiarity with CI/CD pipelines and automation workflows
- Experience working with databases and cloud-based environments
- Strong problem-solving, debugging, and analytical thinking skills
- Excellent communication and collaboration abilities
- Professional proficiency in English
- Experience with Headless CMS (e.g., Sanity) is a plus
Benefits
- Annual performance-based company bonus and profit-sharing opportunities
- Remote-first and flexible working culture across Canada
- Paid time off including vacation, sick leave, and additional personal leave options
- Home office allowance provided every two years to support workspace setup
- Training and development budget to support continuous learning and career growth
- Private healthcare coverage for employees
- RRSP pension matching program (up to 4%)
- Life and critical illness insurance coverage
- Opportunity to work on modern, enterprise-scale digital products with global clients
- Inclusive, collaborative, and growth-oriented engineering culture
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