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Senior React UI Developer

Acumenzconsulting — Canada · Posted ~1 day ago

Senior

Skills

ReactJS JavaScript HTML5 CSS3 D3.js Micro Frontends Cypress Selenium REST APIs Git TypeScript Redux

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Summary

Join a frontend engineering team building scalable web applications with React, interactive data visualizations, reusable components, automated testing, and modern development workflows.

Highlights

Build modern React applications, create advanced visualizations, optimize frontend performance, and work with reusable architectures.

Description

Job Description We are seeking an experienced Senior UI / React Developer with strong expertise in building modern, scalable, and high-performance web applications using ReactJS. The ideal candidate will have extensive experience with JavaScript, developing complex data visualizations, and building micro frontend architectures. This role requires strong front-end engineering skills, a deep understanding of UI performance optimization, and experience with automated testing frameworks. Required Skills 10+ years of software development experience with a strong focus on Frontend/UI development.5+ years of hands-on experience with ReactJS.Strong proficiency in JavaScript (ES6+), HTML5, and CSS3.Experience developing complex graph visualizations using D3.js or similar visualization libraries.Experience with Micro Frontend Architecture and modular UI development.Hands-on experience with automated UI testing tools such as Cypress or Selenium.Strong understanding of responsive design and cross-browser compatibility.Experience integrating REST APIs and working with modern frontend development workflows.Familiarity with Git and Agile/Scrum methodologies.Excellent problem-solving and communication skills.Preferred Qualifications Experience with TypeScript.Knowledge of state management libraries such as Redux or Context API.Experience optimizing application performance and rendering large datasets.Exposure to CI/CD pipelines and modern DevOps practices.Cloud platform experience (AWS/Azure/GCP) is a plus.Key Responsibilities Design, develop, and maintain scalable ReactJS applications.Build reusable UI components and implement modern frontend best practices.Develop interactive dashboards and complex graph visualizations using D3.js.Implement and maintain Micro Frontend architecture.Write unit, integration, and end-to-end tests using Cypress or Selenium.Collaborate with UX designers, backend developers, and product teams to deliver high-quality applications.Optimize application performance, accessibility, and responsiveness.Participate in code reviews and contribute to architecture and design discussions.Top 5 Required Skills ReactJSJavaScript (ES6+)D3.js / Complex Graph VisualizationMicro Frontend ArchitectureCypress or Selenium