frontend developer reactjs jobs in Toronto

Elevate your career as a Frontend Engineer specializing in modern JavaScript frameworks. Join a collaborative team that values UI/UX best practices and performance optimization. We are seeking a skilled Frontend Engineer with 3-6 years of experience in building UI-heavy features for a B2B SaaS application. You will own essential UI modules and front-end...

Advance your career as a Senior Frontend Engineer at Ramp, utilizing your JavaScript and React skills to create exceptional user experiences. Work on transformative financial technology solutions. Ramp is hiring a Senior Frontend Engineer who deeply understands JavaScript and web performance. The role involves designing engaging interfaces and leading...

About Baseten Baseten powers mission-critical inference for the world's most dynamic AI companies, like Cursor, Notion, OpenEvidence, Abridge, Clay, Gamma, and Writer. By uniting applied AI research, flexible infrastructure, and seamless developer tooling, we enable companies operating at the frontier of AI to bring cutting-edge models into production. We're...

Frontend Developer needed in Vancouver to fix bugs and implement features for a SaaS company, collaborating to improve user experience.

Create high-quality technical documentation and structured examples based on real-world frontend engineering scenarios.Apply your frontend engineering expertise to evaluate UI implementations, styling decisions, and best practices.Interpret component style guides and screenshots to produce accurate technical outputs and documentation.Interpret and translate...

Software Engineer – Frontend Applications Location: Remote in Canada Employment Type: Full-time (40 hours/week) Why Billennium? *We are a global technology company providing IT services and digital solutions to clients around the world. Headquartered in Poland, with offices in Canada, Malaysia, Germany, Switzerland and India, we bring together over 1,700...

Join Harvey as a Staff Frontend Software Engineer, where you'll build critical user-facing features for leading law firms in a hybrid work model. Shape the backbone of our AI-powered legal tools. In this pivotal role, you’ll lead the design and development of core infrastructure that ensures secure and reliable collaboration experiences. As part of a...

About Venn Venn is the fastest-growing B2B fintech in Canada. We're on a mission to transform business banking for Canadian entrepreneurs and are looking to hire A-players interested in disrupting traditional banking practices. As the ONLY digital banking platform in Canada offering a truly modern solution, we have seen accelerated growth—scaling to...

Who is Litmus Litmus is building the data foundation that powers industrial AI. AI doesn’t work without real-world, contextualized data - Litmus makes that data usable. As AI adoption accelerates, most industrial environments still can’t access or use their operational data. We solve that gap. We’re a growth-stage software company helping...

Join Scribd's team as a Frontend Software Engineer, focusing on transformative user experiences powered by Machine Learning and Generative AI. Bring your expertise in JavaScript and React to build innovative web applications. As a key member of Scribd, Inc., you will play a vital role in the Discovery Applications team, responsible for customer-facing web...

Who is LitmusLitmus is building the data foundation that powers industrial AI. AI doesn’t work without real-world, contextualized data - Litmus makes that data usable. As AI adoption accelerates, most industrial environments still can’t access or use their operational data. We solve that gap. We’re a growth-stage software company helping manufacturers...

About RampRamp is building the smart infrastructure for finance teams, embedded in the transaction flow of every dollar a business spends. We automate how over $200B in annualized spend flows in and out of 70,000+ companies: authorizing payments, flagging risk, categorizing spend, and closing books.About RampRamp is building the smart infrastructure for...

Join Vaimo as a Senior Frontend Engineer, specializing in the development of a new web application with Next.js and React. Engage in a collaborative and supportive environment focused on innovation. In this role, you will lead the development efforts for medium- to large-scale projects while mentoring your engineering teammates. Your tasks will include...

Help redefine banking in Canada as a Lead Frontend Engineer at Venn. Your expertise will shape the development of cutting-edge web applications focused on user experience. Venn is on a rapid growth trajectory and seeks a Lead Frontend Engineer with over 6 years of experience in responsive web development. You'll be instrumental in the architecture of...

At Harvey, we’re transforming how legal and professional services operate. By combining frontier agentic AI, an enterprise-grade platform, and deep domain expertise, we’re reshaping how critical knowledge work gets done for decades to come. This is a rare chance to help build a generational company at a true inflection point. We have strong...

Become a key player in the Affir team as a Frontend Software Engineer, focusing on Marketing and Privacy. This remote role requires a blend of technical expertise in web applications and strong collaboration skills. At Affir, you'll lead engineering efforts and support peers through complex problem-solving. You will actively participate in the product...

Shape the future of telehealth with Phoenix as a React Focused Frontend Engineer. Craft user-friendly experiences that facilitate patient care across Canada. As a React Focused Frontend Engineer at Phoenix, you will be responsible for the development and architecture of exciting new features in our digital healthcare platform. You'll collaborate on-site...

Join Venn as a Senior Frontend Engineer and redefine business banking in Canada. Develop responsive and accessible applications for over 10,000 clients in an engaging role. Venn is seeking a skilled Frontend Engineer to advance our unique digital banking platform. This position offers the chance to work with leading technologies like React, TypeScript, and...

Seeking a Senior Frontend Engineer to build and evolve Evisort's design system using React and TypeScript. Responsibilities include architecting component libraries, ensuring WCAG compliance, and collaborating with design and product teams.

Take on a remote contract as a Frontend Software Engineer, focusing on high-quality UI documentation and implementations. Use your skills in Typescript and CSS3 to deliver visually consistent web components. In this role, you will ensure all UI elements adhere to design systems while collaborating asynchronously with your team. You will be instrumental in...