Top Senior Front End Developer Jobs

Own and ship polished, high-performance frontend interfaces for a complex web app. Prototype, make product/design decisions, implement UI, and collaborate on full-stack features. Optimize state management, caching, and UX details, and participate in a paid in-person work trial.

Build elegant, responsive frontend features and visualizations using modern frameworks. Own substantial product areas from design to launch, collaborate with product, UX, and backend teams, and optimize performance and interactivity for large-scale data applications.

Build elegant, responsive front-end user experiences using modern frameworks. Own significant product features from design to launch, collaborate with product, UX, and backend teams, create interactive visualizations for structured and unstructured data, and optimize performance and interactivity for large-scale data applications.

Develop and maintain Ubegos frontend products: mobile/web quest experiences, user and creator dashboards, admin panel, marketing features, and third-party integrations. Work in one-week Scrum sprints, perform code reviews, contribute to software architecture, and use modern frontend frameworks, relational databases, and AI-assisted coding tools.

Design and build high-performance Angular single-page application features, write tested and maintainable front-end code, collaborate with product and UX, review code, refine frameworks and standards, manage Azure web deployments, and own assigned deliverables while working Toronto business hours and attending quarterly in-person meetings.

The Staff Software Engineer will architect and maintain Datagrid Pages and Dataset Editor, focusing on UI design, efficient code, and mentorship while collaborating with teams to support Procore's AI strategy.

Lead the development of a compiler for AI models, optimizing performance and collaborating across teams while mentoring engineers.

Design, develop, and maintain full-stack applications while providing mentorship, collaborating with teams, and optimizing performance.

Design and build web apps for creating and listening to music. Optimize performance, contribute to design decisions, and create libraries for audio experiences.

Develop and maintain web application user interfaces using Vaadin and front-end technologies. Apply UI fundamentals (including Fitts' law), refactor enterprise applications, collaborate with clients, and mentor/train other front-end developers.

Lead frontend platform architecture across web and mobile: design and evolve design systems, component libraries, build tooling, accessibility, internationalization, and developer experience. Partner with backend teams on GraphQL/Python, maintain security and compliance, mentor engineers, drive cross-team initiatives, and deliver scalable, high-quality frontend foundations used by multiple product teams.

Lead frontend design and implementation using React and TypeScript. Build scalable, high-performance UIs, implement integration, E2E and visual regression tests, and maintain CI/CD/DevOps pipelines. Collaborate in agile teams, ensure clean code and architectural quality, and manage deployments using AWS services.

Join a product team to build and maintain large-scale frontend platforms. Lead frontend architecture, implement features using TypeScript, Lit, and Redux, write Jasmine tests, ensure WCAG accessibility, own technical delivery, mentor mid-level engineers, and collaborate with clients, designers, and cross-functional teams to drive stability and scalability.

The Senior Frontend Engineer will develop and maintain front-end features, collaborate with teams, and enhance user experience while mentoring junior engineers.

As a Senior Frontend Software Engineer, you'll develop features and enhance user experience through Typescript and React, while collaborating with cross-functional teams.

The Senior Frontend Engineer will design and develop advanced iOS applications, create scalable code, enhance user experience, and collaborate with teams while ensuring adherence to best practices.

Lead the front-end architecture and development of the FanSight platform, owning end-to-end systems and user experience. Build scalable, high-performance consumer-facing and B2B web applications, implement APIs and services, set engineering standards, guide technical direction, mentor engineers, and collaborate with product, design, security, and cross-functional teams to deliver accessible, resilient applications that handle massive traffic.

Lead front-end architecture and development for the FanSight platform, owning end-to-end systems, building scalable consumer and B2B features, mentoring engineers, defining technical roadmaps, ensuring performance, accessibility, testing, and collaborating with cross-functional teams to deliver high-traffic, resilient web applications.

Design, develop, and maintain responsive, high-performance front-end applications using React, TypeScript, JavaScript, Node.js, HTML, and CSS. Integrate with .NET backends via REST APIs, ensure accessibility, security, and performance, participate in code reviews, troubleshoot UI issues, collaborate with UX and backend teams, use Git/GitLab, and support AWS-hosted deployments and CI/CD pipelines.

Build and ship production frontend and internal systems powering Picnic's delivery and logistics platform. Work on real-time workflows (order batching, routing), improve reliability and observability, own projects end-to-end, collaborate with Product, Design, and Operations, and participate in code reviews to maintain engineering quality.

The role involves modernizing the front end stack, migrating to a monorepo architecture, developing component libraries, and improving cross-platform mobile applications while collaborating with product and design teams.

The Senior Front End Web Developer will lead projects, mentor other developers, and deliver high-quality web solutions using modern technologies while ensuring compliance with accessibility standards.

Lead the development of a design system, architect web components, manage dependencies, and collaborate with teams to enhance user experiences.

Founding-team senior engineer to architect and build core platform components. Work with CEO/CTO to develop scalable distributed backend systems and frontend using React, Node.js and TypeScript. Implement solid coding practices, testing, CI/CD, and agile workflows while iterating rapidly in an early-stage fintech startup.

Lead frontend architecture and implementation for an AI-driven platform: build performant, responsive React/TypeScript applications, manage complex state and real-time updates, establish component libraries, testing, CI/CD, mentor junior engineers, and drive frontend best practices and scalability.