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MaintainX

Principal Full-Stack Developer – Platform & Infrastructure

MaintainX

. Set technical direction for shared services and components used by other teams .

Posted 10/15/2026full-timeToronto • CanadaLead💰 CA$131,000 - CA$230,000 per yearWebsite

Tech Stack

Tools & technologies
GraphQLJavaScriptNode.jsReactReact NativeSQLTypeScript

About the role

Key responsibilities & impact
  • Set technical direction for shared services and components used by other teams
  • Design APIs, tools, and design system components and drive adoption across teams
  • Improve the speed, safety, and reliability of building, testing, and shipping software
  • Gather feedback from internal engineers, measure adoption, and iterate
  • Lead large, ambiguous projects end to end from planning through production
  • Partner with Product Managers, Designers, Engineering leadership, and engineers to shape roadmaps
  • Own the long-term technical health of a platform domain, including reliability and performance
  • Drive architecture decisions and write technical proposals
  • Mentor senior and staff engineers and set code-review standards
  • Improve tooling, testing, and delivery practices across teams
  • Join a team of 5 to 10 people
  • Own the technical direction of a platform domain or system within the first 6 months

Requirements

What you’ll need
  • 10+ years of professional experience building full-stack web or mobile products
  • Track record of leading technical work beyond a single team
  • Deep hands-on experience with TypeScript, React, and Node.js
  • Experience designing shared systems that held up at scale
  • Experience with mobile-first, responsive, iterative development
  • Track record of writing maintainable, testable code
  • Strong written and verbal communication
  • Comfort progressing when specifications are not fully settled
  • Day-to-day use of AI tools in the development workflow
  • Nice to have: GraphQL, React Native, or SQL database experience
  • Experience with search technology, authentication and identity, design systems or component libraries, developer tooling or IDE extensions, CI/CD, observability, or compliance programs such as FedRAMP or SOC 2
  • Legally authorized to work in Canada

Benefits

Comp & perks
  • Equity
  • Annual bonus
  • Hybrid work with no minimum in-office mandate
  • Benefits including health coverage, retirement and leave; plan details vary by country
  • On-call rotation as part of the role