> Markdown version of [/jobs/ext/2734645-senior-react-engineer-with-node-js](https://www.wearedevelopers.com/jobs/ext/2734645-senior-react-engineer-with-node-js). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior React Engineer with Node.js - **Company:** N-IX Partners Inc. - **Location:** United States (Remote available) - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Web Interfaces, JavaScript (Programming Language), .NET Framework, PHP (Programming Language), A/B Testing, Artificial Intelligence, Automation of Tests, Microsoft Azure, Software as a Service, Software Quality, Software Design Patterns, Programming Tools, Google Analytics, Design of User Interfaces, JSON, Microsoft SQL Server, MySQL, Node.Js, Web Content Accessibility Guidelines, Extensible Markup Language (XML), ReactJS, Device Compatibility, Software Version Control - **Published:** September 5, 2026 - **Apply:** https://arc.dev/remote-jobs/j/redirect/phpvfi6v90 ## About the Role * 5+ years of experience working in standalone roles responsible for the development and maintenance of web interfaces * Strong knowledge of the following technical areas: JavaScript, React, Node.js * Experience with D3, Azure, XML & JSON data formats * Ability to produce scalable, maintainable solutions * Strong time-management skills with the ability to handle multiple projects concurrently * A proactive, positive approach to delivering high-quality work * English level - at least Upper-Intermediate Nice to have: * PHP * .NET Framework 4.6 is a big plus * MySQL or SQL Server experience * Experience setting up A/B testing or similar experimentation frameworks * Exposure to modern AI-powered development tools and workflows (e.g., code assistants, automated testing, or AI-driven UI optimization) ## Description Our client is transforming how leading companies search, analyze, and use patent data through an all-in-one, AI-powered SaaS platform that supports drafting, prior art analysis, collaboration, and project management. The role sits within a multidisciplinary team of IP software specialists, patent data professionals, and patent attorneys, focused on deep-cleaning and organizing global patent data to deliver accurate insights and trend visualizations. The Engineer will be responsible for developing, maintaining, and evolving key areas of the website and related user-facing products., * Design, build, and maintain the front-end interface for product delivery areas of the client application site, as agreed from time to time with product stakeholders, product designers, and the Technical Program Manager. * Initially focusing on resolving known and documented bugs across existing products before contributing to ongoing enhancements and new feature development. * Implement responsive layouts and ensure cross-browser/device compatibility * Deliver clean, intuitive UI/UX by working against a ticket-based backlog with direction and, as projects evolve, collaborating more directly with product stakeholders. * Work with external developers and designers to ensure consistent branding, performance, and technical quality * Ensure accessibility best practices (WCAG) across relevant areas of the site * Optimize site performance through modern tooling, bundling, and code quality improvements * Build and maintain additional sections of the client website as needed * Develop and manage analytics and testing frameworks, including Google Analytics, event tracking, and A/B testing capability * Provide basic database or API integration support, working alongside the back-end engineering team where appropriate * Assist in documentation of front-end components, design patterns, and development processes * Contribute to continuous improvement of development workflows, version control practices, and release processes * Write and maintain automated tests including unit, integration, and end-to-end (E2E) tests to ensure application quality and reliability. ## Related Videos - [Watch Tests Go Brrrr! : Getting Started with Cypress in ReactJS](https://www.wearedevelopers.com/videos/282-watch-tests-go-brrrr-getting-started-with-cypress-in-reactjs) - [Tips and Tricks for Working with JSON](https://www.wearedevelopers.com/videos/1229-tips-and-tricks-for-working-with-json) - [MySQL Protocol Features You Should Be Aware Of](https://www.wearedevelopers.com/videos/100267-mysql-protocol-features-you-should-be-aware-of) - [React and the power of visualisation](https://www.wearedevelopers.com/videos/100-react-and-the-power-of-visualisation) - [The Pragmatic Architect: Balancing Necessity vs. Sufficiency in React Systems](https://www.wearedevelopers.com/videos/2101-the-pragmatic-architect-balancing-necessity-vs-sufficiency-in-react-systems) - [Introducing JSON Structure](https://www.wearedevelopers.com/videos/100219-introducing-json-structure) ## Related Articles - [16 Best Free React UI Libraries in 2025](https://www.wearedevelopers.com/magazine/148-16-best-free-react-ui-libraries-in-2025) - [React Developer Salary [2023]](https://www.wearedevelopers.com/magazine/198-react-developer-salary-2023) - [Fully Remote Software Engineer Jobs](https://www.wearedevelopers.com/magazine/447-fully-remote-software-engineer-jobs) - [The Best 7 Frontend Frameworks for Developers in 2025](https://www.wearedevelopers.com/magazine/400-the-best-7-frontend-frameworks-for-developers-in-2025) - [Dev Digest 120 - Apple and peers](https://www.wearedevelopers.com/magazine/455-dev-digest-120-apple-and-peers) - [Find a Developer Job: 12 Best Job Sites For Developers](https://www.wearedevelopers.com/magazine/165-find-a-developer-job-12-best-job-sites-for-developers)