Senior Platform Developer

Klick•Toronto, ON

10d•CA$100,000 - CA$120,000•Hybrid

About The Position

The Senior Platform Developer leads the development of responsive, accessible digital experiences across client websites and platform ecosystems. This role partners with developers, designers, QA, and cross-functional delivery teams to architect, build, and optimize CMS-driven web experiences. The role focuses on modern front-end development, API integrations, analytics implementation, technical quality, and hands-on leadership across supported platforms and browsers.

Requirements

5+ years of professional front-end or platform development experience delivering production websites or applications using JavaScript ES6+, HTML5, CSS3, and SASS/SCSS.
Hands-on experience building and maintaining components in at least one enterprise CMS such as Adobe Experience Manager, Contentful, or Drupal, with demonstrated ownership of templating, authoring workflows, and release-ready implementations.
Experience integrating REST or GraphQL APIs, including data fetching, transformation, caching, and front-end rendering, with examples of shipped features or reusable component libraries.
Demonstrated ability to debug, optimize, and review front-end code using browser developer tools, Git-based workflows, pull requests, and web performance tools such as Lighthouse.
Working knowledge of accessibility standards such as WCAG 2.1+ and SEO best practices, with evidence of applying these standards in live digital experiences and collaborating with QA or stakeholders to resolve issues.
Experience contributing to technical planning, solution reviews, or mentoring junior developers, with examples of leading implementation decisions or improving delivery quality.

Nice To Haves

Comfort and enthusiasm for using AI as a regular part of how work gets done.
Experience using React in production environments, including component architecture, state handling, and maintainable front-end patterns across multi-page or CMS-driven implementations.
Experience with Next.js or Gatsby, including static site generation, server-side rendering, or incremental build patterns in client or product work.
Exposure to TypeScript, Jest, React Testing Library, Cypress, Webpack, Vite, or Babel in team-based development environments.
Experience with analytics tagging, cloud or container tooling, or design collaboration platforms such as Figma, Sketch, or Photoshop to support delivery.
Experience partnering with cross-functional teams to translate BRDs or technical requirements into documented implementation approaches, estimates, and delivery recommendations.

Responsibilities

Build and maintain modular front-end solutions in Adobe Experience Manager, Contentful, Drupal, and related CMS platforms, translating design systems into responsive HTML, CSS, SASS, and JavaScript deliverables.
Lead development of website features using JavaScript ES6+, React, and REST or GraphQL integrations, partnering with designers, QA, and delivery teams to ship scalable production-ready solutions.
Refactor legacy implementations, troubleshoot complex defects, and drive performance improvements through browser debugging, Lighthouse audits, code splitting, lazy loading, and cross-browser testing.
Implement analytics and form functionality across platforms, including Adobe data layer, Google Tag Manager, Floodlight, payload validation, and structured parsing logic.
Guide technical solutioning, documentation, estimation, and code review processes in Jira, Confluence, and GitHub, while mentoring junior developers and supporting delivery decisions with cross-functional stakeholders.