Jobs for frontend developer reactjs at Ottawa

838 frontend developer reactjs job listings in Canada. Find daily updated positions from leading job boards.


  • Ottawa, ON, Canada Jobtailor Full-time €25,000 - €36,000 Contract

    Jobtailor is seeking an enthusiastic intern to contribute to the Maestro web client and application server, developing features in TypeScript, React, and C# while fixing bugs and improving performance. You will collaborate with development, QA, and UX teams to build reusable components, grow the design system, and deliver high-quality web applications with...


  • Ottawa, ON, Ottawa Census Division, ON; Ontario, Canada NewRich Network Full-time

    Company Overview At NewRich Network, we empower digital entrepreneurs to turn their dreams into reality. Our mission is simple yet bold: to help people create a balanced, fulfilling lifestyle - while building wealth and independence along the way. We’re a fast-growing team driven by one vision: a world where anyone can work remotely, chase their passion,...


  • Ottawa, Ontario, Canada Solace Full-time

    Solace is seeking a skilled software engineer to build end-to-end features for the Solace Agent Mesh, spanning React frontend components and robust backend services. You will participate in requirements, design, implementation, testing, and deployments, collaborating across teams to deliver high-quality software.The role emphasizes full lifecycle...


  • Ottawa, ON, Ottawa Census Division, ON; Ontario, Canada Pathlion Full-time

    Join the transformative efforts of the Government of Alberta as a Full Stack Developer. Focus on service design and delivery through innovative and user-centered approaches. The Government of Alberta invites applications for up to fifty Full Stack Developer roles aimed at enhancing digital delivery across its services. Working in the Digital Design and...


  • Ottawa, Ontario, Canada Solace Corporation Full-time

    Solace Corporation is hiring a Software Developer to contribute to the Solace Agent Mesh, an event-driven platform for real-time AI integration. You will span frontend React components and backend API services, collaborating across teams to deliver robust features in an agile environment.The role emphasizes high-quality code, automated tests, and strong...


  • Ottawa, ON, Ottawa Census Division, ON; Ontario, Canada Embedded Shishya Full-time

    Grafana Labs, a remote-first company, is hiring for a role in its Grafana Cloud Observability team. You will develop tooling to power our cloud integrations and observability apps, working across frontend (TypeScript/React), backend (Go), and monitoring mixins (Jsonnet). As part of a globally distributed team, you will ship features end-to-end, talk to...


  • Ottawa, Ontario, Canada Praxy Full-time

    This is a ground-floor opportunity on an early engineering team building an AI-native FP&A SaaS platform that helps finance teams modernize planning, forecasting, and reporting. You'll work closely with technical leadership to deliver high-impact features across multiple product engineering teams — with real ownership from day one. WHAT YOU'LL DO -...


  • Ottawa, Ontario, Canada Ciena Full-time

    As the global leader in high-speed connectivity, Ciena builds the critical infrastructure powering the AI era. We’re a technology company shaping the future of networking, guided by innovation, integrity, and collaboration. Through development opportunities, meaningful work, and flexibility, Ciena supports growth and well-being—on and off the job....


  • Ottawa, ON, Ottawa Census Division, ON; Ontario, Canada Solace Corporation Full-time

    Solace Corporation is hiring a Software Developer to contribute to the Solace Agent Mesh, an event-driven platform for real-time AI integration. You will span frontend React components and backend API services, collaborating across teams to deliver robust features in an agile environment. The role emphasizes high-quality code, automated tests, and strong...


  • Ottawa, Ontario, Canada Ciena Corporation Full-time

    As the global leader in high-speed connectivity, Ciena builds the critical infrastructure powering the AI era.We’re a technology company shaping the future of networking, guided by innovation, integrity, and collaboration.Through development opportunities, meaningful work, and flexibility,Ciena supports growth and well-being—on and off the job.Connect...


  • Ottawa, Canada Cloudjobs Full-time €245,000 - €295,000 Contract

    Snowflake is seeking a Senior Full Stack Engineer for the App Runtime team in Ontario, Canada. You will build AI‑assisted development experiences across frontend and backend, with Node.js first, delivering scalable apps on a secure platform. Strong skills in React, NextJS, TypeScript/JavaScript, Go, Python, and Java are valued. You will design and ship...


  • Ottawa, Ontario, Canada Ciena Corporation Full-time

    As the global leader in high-speed connectivity, Ciena builds the critical infrastructure powering the AI era.We’re a technology company shaping the future of networking, guided by innovation, integrity, and collaboration.Through development opportunities, meaningful work, and flexibility,Ciena supports growth and well-being—on and off the job.Connect...


  • Ottawa, ON, Canada Textlayer Full-time $215,000 - $250,000 Contract

    A leading AI infrastructure company in Ottawa, Canada, seeks an AI Architect to work on frontend and backend architecture for advanced AI systems. The ideal candidate has over 3 years of experience in full-stack development, specifically in Python and API development. Responsibilities include architecting services and implementing orchestration logic for AI...


  • Ottawa, ON, Canada Q-Block Computing Full-time €80,000 - €100,000 Contract

    Job Description Q-Block Computing is seeking an Information Systems Specialist to join our growing team in Ottawa, Ontario. This role offers an exciting opportunity to contribute to the development of cutting‑edge quantum technologies in sensing, communication, and computation. The candidate will join Q-Block Computing to design, develop, and maintain the...


  • Ottawa, ON, Canada BlackBerry Inc. Full-time €110,000 - €150,000 Contract

    Join BlackBerry Radar as a Senior Full Stack Developer in a flexible hybrid capacity. Contribute to an expanding IoT platform focused on scalability and performance. In this role, you will engage with a dynamic engineering team dedicated to enhancing Radar's cloud offerings. With a foundation of 4-5 years in software development, your work will intersect...

  • AI Architect I

    2 days ago


    Ottawa, ON, Canada Textlayer Full-time $215,000 - $250,000 Contract

    OverviewAbout TextLayer TextLayer helps enterprises and funded startups deploy advanced AI systems without rewriting their infrastructure. We work with organizations across fintech, healthtech, and other sectors to bridge the gap between AI potential and practical implementation. Our approach combines deep technical expertise with proven frameworks like...


  • Ottawa, ON, Ottawa Census Division, ON; Ontario, Canada Jane App Full-time €128,000 - €200,000 Temporary

    Senior Software Developer - Booking Join to apply for the Senior Software Developer - Booking role at Jane App . Get AI-powered advice on this job and more exclusive features. Join Our Mission Help the Helpers with Jane. Let's kick things off with a quick intro. Jane is a team that's all about fostering growth, spreading delight, and serving our...


  • Ottawa, Ontario, Canada Ciena Corporation Full-time

    Join Ciena as an ASIC Design Engineer and play a crucial role in the development of high-performance optical networking solutions. Your focus will include synthesis, static timing analysis, and validation tasks. This engineering position at Ciena is dedicated to the front-end implementation of innovative ASIC technology. You will execute critical functions...


  • Ottawa, Ontario, Canada Praxy Full-time

    Elevate your career as a Senior Fullstack Engineer on an AI-focused FP&A SaaS platform. This remote role allows you to collaborate from anywhere in the U.S. or Canada. Ideal candidates will have 5–10+ years of engineering experience, combining frontend expertise with backend capabilities. You will collaborate with leadership to execute the product roadmap...

  • software engineer

    8 hours ago


    Ottawa, Ontario, Canada Anvil Full-time

    Title Senior Backend Engineer Posted Information Posted on August 09, 2026 by Employer details Anvil Job Type and Location Job Type: Full Time (Ottawa)Total Compensation: CAD $140,000 - $170,000 annual salary - Placement within range based on experience and qualifications. Role Description As a Senior Backend Engineer, you will play a pivotal role in...