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Senior / Staff Software Engineer

  • Full Time
  • Anywhere

Connections Outsourcing

Job 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.

Job Requirements:

  • 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 Himalayas

To apply for this job please visit himalayas.app.

About this role & career path

Working in Canada

Canada is a country in North America. Its ten provinces and three territories extend from the Atlantic Ocean to the Pacific Ocean and northward into the Arctic Ocean, making it the second-largest country by total area, with the longest coastline of any country. Its border with the United States is the longest international land border. The country is characterized by a wide range of both meteorologic and geological regions. With a population of over 41 million, it has widely varying population densities, with the majority residing in its urban areas and large areas being sparsely populated. It

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