Senior React Engineer with Node.js

We are looking for a Senior React Engineer with Node.js to join our team! Our client is transforming how leading companies search, analyze, and use patent data through an all-in-one, AI-powered SaaS platform. 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.

• 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
• 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)

• Flexible working format - remote, office-based or flexible
• A competitive salary and good compensation package
• Personalized career growth
• Professional development tools (mentorship program, tech talks and trainings, centers of excellence, and more)
• Active tech communities with regular knowledge sharing
• Education reimbursement
• Memorable anniversary presents
• Corporate events and team buildings
• Other location-specific benefits