Top Web Developer Jobs in Toronto

Update and improve an existing Squarespace site, duplicate it with a new URL/title, add blogs, ensure responsive design, integrate Google Ads and SEO best practices, monitor performance, and collaborate with SEO and marketing teams.

Build and maintain responsive, accessible web interfaces using Angular, TypeScript, HTML5, and SASS; integrate REST APIs; optimize performance and CDNs; collaborate with designers and backend teams; participate in code reviews and testing.

Build and maintain scalable web platform frameworks, tooling, CI/CD, and testing to improve developer productivity and site quality. Lead cross-team initiatives, mentor engineers, set architectural direction, improve performance and accessibility, and use AI thoughtfully to accelerate prototyping, documentation, and testing.

Build and launch user-facing Desktop and Mobile Web features using React/Redux. Own projects end-to-end from prototyping and A/B testing to architecture, scaling, and automated testing. Collaborate with product, design, and backend teams, mentor engineers, lead code reviews, and apply AI thoughtfully to accelerate workflows while validating outputs and protecting sensitive data.

Own architecture, development, and reliability of ecommerce web applications (Symfony storefront and Laravel back-office). Lead front-end JavaScript/CSS direction, optimize SQL schemas/queries, improve observability and incident response, reduce legacy technical debt, establish AI-assisted development workflows, mentor engineers, and drive end-to-end delivery of scalable customer-facing features.

Lead technical direction of Ground News web properties to drive subscriber conversion. Own architecture, experimentation infrastructure, migrations (marketing-tech), performance, accessibility, SEO, Core Web Vitals, safe rollout practices, and enable non-engineers to run experiments without engineering support.

Lead design and development of a high-performance Web SDK for device fingerprinting and behavior analytics. Implement algorithms for fingerprints and interaction capture, optimize cross-browser performance, build CI/CD and automated cross-browser tests, ensure data privacy/security, mentor engineers, conduct code reviews, and collaborate with product and QA to deliver scalable, maintainable SDKs.

The Ruby Engineer will focus on web scraping and browser automation, fix code issues promptly, support customers, and enhance search engine integrations.

Design and implement frontend applications using JS, CSS, React, and Flutter. Collaborate on technical specs and contribute to documentation, ensuring user experience and performance.