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Senior Developer, Backend - Developer Infrastructure

Toronto, Ontario🌐 Remote💼 Full-time💰 $125,000–$165,000🗓 2026-06-05 → 2026-08-08

Required skills

Strong experience with Ruby or Ruby on Rails, Experience designing maintainable systems and making pragmatic technical tradeoffs, Strong testing habits and an understanding of how tests support long-term maintainability, Comfort working on platform, infrastructure, tooling, or developer experience problems, A desire to improve engineering standards across teams, Strong communication skills and the ability to collaborate across engineering teams, A willingness to learn, ask questions, and receive feedback

Preferred skills

Experience scaling or working on high-scale web applications, Past experience working in e-commerce or health tech sector, You’ve worked with React or GraphQL in the past, Experience improving CI systems, test suites, feature flag systems, or developer tooling

Technologies

Ruby, Ruby on Rails, React, GraphQL, CI systems, test suites, feature flag systems, developer tooling, infrastructure-as-code, monorepo, end-to-end tests, feature flags, shared infrastructure, shared developer tooling, CI linting, quality-of-life improvements

Responsibilities

Own and improve the long-term technical health of our monorepo, Plan out solution designs and release strategies in collaboration with other engineering teams and stakeholders, Lead foundational upgrades across the stack, Improve code quality, application structure, maintainability, and engineering standards, Address scalability, reliability, and performance concerns as the product grows, Resolve security vulnerabilities across the application and its dependencies, Build and maintain shared developer tooling, CI linting, and quality-of-life improvements, Maintain and evolve shared infrastructure such as feature flags, end-to-end tests, and infrastructure-as-code within the monolith, Support product teams by solving cross-cutting technical issues, Act as a multiplier by unblocking other teams and improving the systems they rely on, Contribute through implementation, code review, technical guidance, mentorship, and documentation

Seniority

Senior

Domain

Health tech, e-commerce

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