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Fullstack Software Engineer

Toronto, ON Waterloo, ON
USD 90k - 115k
TypeScript JavaScript HTML CSS React Vue.js Angular Node.js Go Redux MobX Pinia API WebSockets Jest Cypress AWS GCP Azure
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Description

Fullstack SWE - Toronto/Waterloo

Location: Toronto or Waterloo, ON

Department: External Positions

Location Type: HYBRID

Employment Type: FULL_TIME

Full Stack Software Engineer – Hybrid | Waterloo or Toronto, ON (must be locally based)


The Role
IC role on a team building modern, high-performance web applications for a large-scale consumer software platform. You'll influence architectural decisions, mentor junior engineers, and ship production-ready features across the full stack.

Responsibilities
  • Lead design and development of scalable, high-performance frontend and backend architectures
  • Drive technical direction and participate in architectural planning and reviews
  • Design and implement RESTful APIs, microservices, and scalable backend services
  • Write clean, modular, well-tested code across client and server side
  • Champion engineering best practices around observability, performance, and code quality
  • Mentor junior engineers through code reviews and design discussions
  • Collaborate cross-functionally with product, design, and engineering teams

Requirements
  • 5–8 years of full stack development experience
  • Strong TypeScript/JavaScript, HTML5, CSS3, and responsive web design
  • Deep expertise in React, Vue, or Angular on the frontend
  • Backend experience in GoLang and/or Node.js
  • State management experience — Redux, MobX, or Pinia
  • Solid understanding of RESTful APIs, WebSockets, and browser internals
  • CI/CD pipelines and automated testing (Jest, Cypress)
  • Cloud platform experience — AWS, GCP, or Azure
  • Familiarity with WCAG accessibility standards and i18n
  • Experience with design systems or component libraries
  • Strong software design principles — SOLID, DDD, modular architecture
  • Comfortable in Agile/Scrum environments

Compensation
$90,000 – $115,000 + ~10% bonus + benefits

The Company
Well-established consumer software company with a large global footprint. Strong benefits: bonus, pension, medical/dental/vision, generous PTO, and paid parental leave.

Syndesus
Syndesus

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