Top Web Developer Jobs in Toronto

Design and develop modern, responsive React and TypeScript web applications for complex, real-time financial data. Build analytics and charting interfaces, integrate third-party design systems, and use grid technologies and WebSockets for dynamic experiences. Collaborate with design, product, and technology teams to deliver scalable, maintainable user interfaces. Financial services, capital markets, real-time pricing, risk systems, and enterprise front-end experience are advantageous.

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.

The Senior Staff Software Engineer will lead web platform architecture and development, mentoring engineers while driving improvements in infrastructure, web development strategy, and AI tool integration.

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.

Lead development of web tools for autonomous driving, mentor engineers, and collaborate on technical architecture, focusing on responsive applications and cloud infrastructure.

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.

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.

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.

Own and develop Arena’s public web surfaces, including the blog, marketing pages, and leaderboard UI. Build with Next.js, React, TypeScript, Sanity CMS, and the company design system. Improve performance, accessibility, SEO, structured data, internationalization, and data visualization. Create CMS models and publishing tools that enable marketing teams to ship independently while collaborating closely with designers, marketers, and engineers.

Leads frontend architecture and engineering for large-scale consumer web applications. Defines standards, reusable patterns, and headless API architectures using ReactJS, TypeScript, Next.js, and GraphQL. Drives performance, Core Web Vitals, accessibility, security, experimentation, design systems, and global scalability through CDN and edge technologies. Partners cross-functionally, mentors engineers, influences architecture across teams, and guides technical decisions for reliable, accessible, high-performing digital experiences.

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.

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.

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.

Design, develop, test, maintain and re-architect web and mobile applications using .NET/C#. Build and maintain SQL Server databases and BI components, support production, ensure security, document architecture, lead technical decisions, and mentor team members.

Lead web and mobile development projects using modern tools and relational databases. Design frameworks, reproduce and resolve issues, enforce unit/integration testing, prepare documentation and deployments, mentor developers, gather requirements, and apply AI across the SDLC.

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

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.

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

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.

Design, code, unit test, and maintain Sitecore-based web components and services. Work across frontend and backend (databases, APIs), debug in test/production, run agile tickets in Jira/Azure/MF ALM, and support deployments and build pipelines.

Build, design, maintain, and update websites and software applications supporting global language development and Bible translation work. Responsibilities include writing web content, developing with HTML, CSS, JavaScript, APIs, and WordPress, improving SEO, analyzing requirements, supporting users, documenting website management processes, and contributing to product roadmaps. The role requires independent and collaborative work, with travel to development-team meetings and language technology conferences.