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Senior / Staff Software Engineer
Canada | Sept. 22, 2026
Company: Connections Outsourcing
Country: Canada
Salary: $160,000 - $180,000
Type: Remote
Employment: Full-time
Description: Lead the evolution of the platform's architecture, ensuring scalability and maintainability. Maintain and modernize the React-based frontend and Node.js/PHP backend. Own the design system and component library for reusability and accessibility. Enhance REST APIs focusing on security, flexibility, and performance. Optimize workflows, automation, and tooling for better developer experience (DX). Implement performance improvements such as lazy loading, caching, and server-side rendering (SSR). Improve database query performance and reduce backend bottlenecks. Oversee build pipeline improvements including CI/CD integrations. Manage cloud hosting environments such as AWS or DigitalOcean. Drive unit, integration, and functional testing adoption (Jest, Mocha, etc.). Optimize SEO strategies and implement A/B testing strategies. Act as the last stop on code reviews, ensuring high code quality and best practices. Mentor and support junior and mid-level engineers. Be a hands-on contributor, doing heavy-duty coding as needed. 7+ years of experience in full-stack development with a focus on performance and scalability. Expertise in React.js, Webpack, and Node.js. Strong experience with modern PHP (or willingness to maintain/refactor legacy PHP code). Deep knowledge of performance optimization techniques and web performance audits. Experience building payment processing systems (not just integrating Stripe or similar services). Experience working in eCommerce platforms and handling complex payment workflows. Proficiency with build tools, automation, and CI/CD pipelines. Hands-on experience with SQL databases (PostgreSQL, MySQL) and caching systems (Redis, Memcached). Strong understanding of RESTful API design with secure, fine-grained access controls. Familiarity with containerization (Docker), process management (PM2), and cloud environments. Passion for creating exceptional user experiences with attention to detail. Ability to lead code reviews, define coding standards, and support team growth. Experience with infrastructure cost management and scaling in cloud-hosted environments, is a plus. Originally posted on HimalayasJob Description
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