Software Engineer (Backend, Fullstack, Frontend/Web …, Toronto

Software Engineer— Live Commerce Platform

Help shape the future of interactive online commerce. A global e-commerce marketplace serving millions of buyers and sellers across more than 190 countries is expanding its real-time commerce platform that connects communities through live shopping and interactive experiences. This team is building technology that blends live video, real-time engagement, and seamless purchasing to create a new generation of online shopping.This role offers the opportunity to work on highly scalable systems supporting one of the largest consumer marketplaces in the world. Engineers on this team design, build, and operate platforms that must perform reliably under massive traffic while delivering engaging user experiences for global audiences.Role Overview

The Software Engineer will contribute to the development of a real-time commerce platform that powers live shopping experiences. The position involves building distributed systems capable of supporting interactive video streams, real-time messaging, and commerce transactions at global scale. You will work alongside product managers, designers, analysts, and fellow engineers to translate product ideas into reliable, high-performance software. This role spans the full development lifecycle—from architecture and design to deployment and production monitoring—ensuring that the platform delivers a fast, engaging, and dependable experience for users around the world.What You’ll Work On

Platform Development

Design, build, and maintain backend services and application components that power live commerce experiences. Contribute to scalable infrastructure capable of supporting large numbers of concurrent users interacting with real-time content. Distributed Systems Engineering

Develop and optimize systems that manage live video streaming, messaging, and transaction processing with high availability and low latency. End-to-End Development Lifecycle

Participate in every stage of the software development process, from architecture design, development, testing, deployment, monitoring, and ongoing system improvements. Cross-Functional Collaboration

Partner with product managers, UX designers, analysts, and engineering peers to deliver features that align with business objectives and enhance the customer experience. System Performance&Reliability

Ensure systems meet strict standards for scalability, resilience, security, and maintainability. Continuously improve performance and operational efficiency. Production Support

Troubleshoot and resolve issues within high-availability production environments that operate around the clock. Investigate incidents and implement long-term improvements. Engineering Best Practices

Promote strong development practices including automated testing, continuous integration and deployment pipelines, and observability through monitoring and logging. Architecture&Technical Direction

Participate in technical design discussions and architecture planning. Contribute to engineering documentation such as architecture decision records and technical standards. Mentorship&Knowledge Sharing

Support the growth of fellow engineers by providing code reviews, technical guidance, and mentorship. Contribute to a culture of learning and knowledge sharing within the engineering community. What Makes Someone Successful in This Role

Ownership&Initiative– Demonstrates a robust sense of responsibility for the systems they build and maintain, proactively improving reliability and performance. Adaptability – Comfortable navigating ambiguity and evolving product requirements in fast-moving technology environments. Collaboration – Excellent interpersonal skills with the ability to work effectively across technical teams, product organizations, and stakeholders.Continuous Learning– Curious and self-motivated with a commitment to expanding technical knowledge and exploring emerging technologies. Team Impact – Enjoys mentoring others, sharing knowledge, and contributing to a positive and collaborative engineering culture. Required Qualifications

Education– Bachelor’s degree in Computer Science, Software Engineering, or a related technical discipline, or equivalent practical experience. Software Development Experience – Experience building scalable software systems or platforms that support large user bases. Programming Expertise – Strong proficiency in modern programming languages such as Java, JavaScript, TypeScript, Node.js, or comparable technologies.Distributed Systems Experience– Developing backend systems, APIs, or web services designed for reliability and scalability. Modern Development Practices – Familiarity with version control systems, automated testing frameworks, and CI/CD pipelines. Problem-Solving Skills – Strong analytical abilities with a demonstrated capacity to diagnose complex system issues and implement effective solutions.API Integration Experience– Working with RESTful or GraphQL APIs in large-scale application environments. Additional Experience That Adds Value – Experience mentoring engineers or helping guide technical direction within engineering teams. Background working on large-scale consumer platforms, streaming technologies, orreal-time communication systems.Familiarity with high-traffic e-commerce or digital marketplace environments. This role provides the opportunity to contribute to technology that is redefining how people connect, engage, and transact through live digital experiences.

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