Senior Software Engineer – React / React Native to support our payments client with delivering modern retail and payment experiences across web and mobile

Location: Etobicoke, ON (Hybrid)

Type: Permanent/Full-Time

Our Client is seeking a Senior Software Engineer to join a high-performing product development team responsible for delivering modern retail and payment experiences across web and mobile platforms.

This role is ideal for a senior engineer who brings deep expertise in React and TypeScript, while also being comfortable contributing to React Native applications when required. You will work within a collaborative Scrum team responsible for designing, building, and enhancing customer-facing digital products used by merchants across Canada.

The successful candidate will help shape technical solutions, contribute to architectural discussions, and champion engineering best practices across the software development lifecycle.

• Design, develop, and maintain modern web applications using React and TypeScript
• Contribute to shared web and mobile experiences across React and React Native platforms
• Collaborate closely with Product, UX, Architecture, and Engineering teams to deliver high-quality software
• Participate in architecture and technical design discussions
• Write clean, maintainable, and scalable code following established engineering standards
• Drive software quality through automated testing and shift-left development practices
• Participate in code reviews and mentor other developers through technical leadership and best practices
• Support CI/CD processes and continuous improvement initiatives
• Troubleshoot complex production issues and contribute to ongoing platform enhancements

• 7+ years of software development experience
• Strong hands-on experience developing modern web applications using:
• React
• TypeScript
• JavaScript (ES6+)
• HTML5 / CSS3
• Experience with React Native development
• Experience supporting both web and mobile application development
• Experience building scalable, production-grade customer-facing applications
• Strong understanding of component-based architecture and modern front-end design patterns
• Experience working in Agile/Scrum environments
• Experience contributing to architecture and technical design discussions
• Strong communication and collaboration skills
• Experience with source control and modern development workflows (GitHub/GitHub Actions)

• Experience building reusable component libraries and shared UI frameworks
• Experience with Node.js or full-stack JavaScript development
• Experience with REST APIs and modern integration patterns
• Experience with CI/CD pipelines and cloud-native development practices
• Experience working within product-focused engineering organizations