We are looking for a Senior PHP Full Stack Engineer with React 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 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.

Responsibilities

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.

Requirements

5+ years of experience working in standalone roles responsible for the development and maintenance of web interfaces
Strong knowledge of the following technical areas: PHP, JavaScript, React
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:

.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)

We offer*:

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
not applicable for freelancers

Senior PHP Full-Stack Engineer with React

Job Description