Top Web Developer Jobs in Toronto

Lead complex web development projects across architecture, performance, accessibility, SEO, content platforms, analytics, experimentation, and AI-assisted workflows. Build and optimize Relay’s Next.js platform using React, TypeScript, Node.js, Tailwind, and Contentful. Own projects from planning through launch, improve scalability and maintainability, establish testing strategies, mentor developers, and collaborate with Marketing, Design, Product, and external agencies.

Build performant web viewers/players and SDKs for egocentric robotics data. Design multi-stream playback, timeline scrubbing, sync, and APIs; own interface contracts across hardware, data, and consumers; provide tooling and reference implementations for internal and external developers.

Lead technical delivery for a marketing web platform, maintaining legacy CMSs and migrating to Next.js + Contentstack. Build modular UI components, integrate Contentstack with enterprise systems (Okta, Mulesoft, RWS, Coveo), implement analytics and SEO, manage deployments/CDN/DNS, and champion AI-assisted development to improve team velocity and code quality.

Leads development of production web applications and server-side services from architecture through deployment. Uses AI coding agents and LLM APIs, establishes automated verification and human review workflows, and owns code quality, security, accessibility, performance, analytics, and CMS integrations. Provides technical estimation, documentation, risk management, code reviews, stakeholder communication, and developer mentoring.

Drive quality assurance for web features from technical handoff through production release. Responsibilities include test planning, test case creation, functional and exploratory testing, regression, UI/UX, cross-browser, responsive, API, and end-to-end testing. Support releases through build validation and monitoring, document and review tests, collaborate with product and engineering teams, improve QA metrics, and optionally contribute to test automation.

Design, develop, test, maintain, and document secure .NET web and database applications. Build responsive front-end experiences, integrate APIs and data feeds, support Azure and AWS cloud applications, and apply OWASP-aligned security practices. Translate stakeholder requirements into technical solutions, participate in Agile development, code reviews, vulnerability remediation, troubleshooting, testing, and documentation. Collaborate with technical, security, database, cloud, and business teams while supporting GIS integrations and continuous improvement.

Design and develop responsive websites and CMS modules from client discovery through launch. Create Figma mockups and prototypes, build designs with HTML, CSS, and JavaScript, and tokenize code for the MembersFirst CMS. Lead client meetings, advise on usability and accessibility, manage multiple projects, collaborate with cross-functional teams, and improve workflows using reusable patterns and AI-assisted tools.

Design, architect, develop, and test web applications with a focus on .NET and cloud technologies while ensuring code quality and integration of systems.

Own Myant’s public websites, including hosting, SEO, analytics, accessibility, privacy, and performance. Develop responsive React and Next.js applications for clinician and patient connected-health platforms. Integrate backend APIs, improve scalability and Core Web Vitals, maintain testing and documentation, make web-stack decisions, mentor developers, and work within regulated medical-device software processes. Collaborate with designers, product managers, marketing, and backend teams while applying AI-assisted development tools responsibly.

Own web compatibility triage and incident response across DuckDuckGo browsers on Mac, Windows, iOS, and Android. Debug complex web applications and third-party code, distinguish site, browser, and privacy-related issues, reverse-engineer obfuscated code, build durable cross-platform fixes, and develop automation and LLM agent tooling to reproduce and triage breakage. Lead ambiguous projects independently and communicate with technical and non-technical stakeholders.

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.

Build and optimize high-performance marketing websites across Next.js, React, Sanity, WordPress, PHP, and Twig. Lead A/B and multivariate experimentation, CRO infrastructure, accessibility, SEO, component libraries, and AI-assisted development workflows. Set technical standards, mentor developers, collaborate with CRO, analytics, design, and marketing teams, and improve experimentation velocity, statistical integrity, site performance, and AI-search readiness.

Lead architecture and technical direction for Thunderbird’s web Services products, including calendar and secure file storage offerings. Design scalable systems, write code, build prototypes, establish software patterns, and contribute across development, testing, monitoring, and maintenance. Solve ambiguous technical and product problems, develop analytics and infrastructure, mentor engineers, collaborate with distributed cross-functional and open-source teams, and help improve user and subscriber growth.

Research and reverse-engineer web anti-automation systems, including browser detection, challenge flows, fingerprinting, and obfuscated JavaScript. Build and deploy browser automation, diagnostic, and monitoring infrastructure that improves scraping reliability across a large crawling fleet. Measure scrape success, investigate regressions, and ship production fixes quickly while collaborating with platform engineers.

Develops and maintains enterprise websites and intranet solutions using WordPress, PHP, JavaScript, HTML, and CSS. Translates UX/UI specifications into responsive web components, templates, graphics, and navigation. Performs content migration, accessibility testing, information architecture, security implementation, documentation, and user training. Collaborates with stakeholders and technical teams across website projects, supports cloud and open-source technologies, and contributes to content governance, technical specifications, testing, deployment, and knowledge transfer.

Lead architecture and hands-on development for a zero-to-one, real-time content platform. Build scalable backend services, collaborative editing and synchronization systems, frontend visual editing experiences, APIs, publishing workflows, and developer extension layers. Partner with product and design, establish engineering standards, make build-versus-buy decisions, mentor engineers, and engage customers to validate architectural choices.

Develop and maintain high-performance web frontend applications and backend services for a collaborative XR platform. Lead complex cross-team projects, shape cloud and web architecture, optimize browser and XR headset performance, and translate business requirements into product features. The role requires expertise in JavaScript, React, TypeScript, browser performance, distributed systems, real-time communication, AWS, and Electron, with preferred experience in 3D web technologies, cloud-native architecture, databases, containers, game engines, CI/CD, and observability.

Build and ship full-stack features for a real-time collaborative content platform, spanning backend services, APIs, and frontend systems. Contribute to architecture and technical design, write tested and maintainable code, collaborate with product and design, integrate AI tools and capabilities, participate in code reviews, and help shape an early-stage product.

As a Front-End Web Developer, you'll create responsive web applications, collaborate with designers and back-end developers, optimize user interfaces, and implement reusable components.

Design and develop next-generation web engine; innovate architecture for performance and resource consumption, with insights on web technologies.

Seeking a Web Developer with 3-5 years of experience in object-oriented PHP, MVC frameworks like Laravel, and SQL. Responsibilities include software engineering patterns and Git workflow, with bonus for RESTful API and test-driven development experience.

As a Front-End Web Developer, design and maintain responsive web applications, collaborate with designers, optimize performance, and work with APIs.

Build, maintain and scale the e-commerce front end across desktop and mobile. Collaborate with design, marketing, and ops to deliver features from concept to launch, own technical infrastructure, ensure high-quality UX and customer satisfaction, and support A/B testing and DevOps workflows.

Develop and maintain responsive enterprise web application interfaces using modern frontend technologies. Build reusable components, integrate RESTful APIs, troubleshoot usability and performance issues, and collaborate with backend, UX, product, QA, DevOps, and globally distributed teams. Participate in code reviews and Agile software development while supporting AI-powered People Operations applications.

Design, develop, and maintain scalable full-stack web applications. Collaborate with stakeholders and cross-functional teams to translate requirements into technical solutions, modernize legacy systems, implement APIs and integrations, troubleshoot production issues, participate in architecture and code reviews, and drive CI/CD and DevOps practices to deliver reliable, high-quality enterprise software.