Job Openings JR-204090 React Developer Middle

About the job JR-204090 React Developer Middle

We are looking for a skilled React Developer to join our front-end engineering team, working on customer-facing and internal platforms that support clinical research, healthcare data analytics, and real-world evidence generation. You will build responsive, high-performance, and easy-to-use user interfaces used by researchers, clinicians, and life-sciences stakeholders worldwide, translating complex healthcare data and workflows into intuitive digital experiences.

Job Responsibilities:

  • Develop new user-facing features using React.js, translating wireframes and UX designs into high-quality, production-ready code;
  • Build reusable components and front-end libraries/design systems for use across multiple Customertimes products;
  • Integrate front-end applications with RESTful APIs / GraphQL services and backend systems handling large-scale healthcare and clinical trial data;
  • Implement and maintain state management solutions (Redux, Redux Toolkit, Context API, or React Query);
  • Optimize application performance, bundle size, and Core Web Vitals across a wide range of devices and browsers;
  • Diagnose and troubleshoot bugs, UI defects, and performance issues in existing applications;
  • Write unit, integration, and end-to-end automated tests (Jest, React Testing Library, and Cypress) to ensure code quality and reliability;
  • Participate in code reviews, sprint planning, and agile ceremonies; collaborate closely with product managers, UX designers, backend engineers, and QA;
  • Ensure applications meet WCAG compliance, security, and data-privacy requirements appropriate for healthcare/life-sciences platforms;
  • Contribute to technical documentation and coding standards; mentor junior developers as needed.

Requirements:

  • 4+ years of professional experience developing with React.js;
  • Strong proficiency in JavaScript (ES6+), including DOM manipulation, event handling, and data structures;
  • In-depth knowledge of HTML5, CSS3, and modern front-end tooling;
  • Thorough understanding of React core principles — JSX, Virtual DOM, hooks, and component lifecycle;
  • Experience with state management workflows such as Redux, Redux Toolkit, or Flux;
  • Familiarity with TypeScript is highly desirable;
  • Experience consuming RESTful APIs and/or GraphQL;
  • Proficiency with version control tools (Git);
  • Experience with front-end build tools (Webpack and Vite) and CI/CD pipelines;
  • Solid understanding of responsive design and cross-browser compatibility.

Additional Comments:

  • Prior experience in healthcare, life sciences, pharma, or clinical research technology (e.g., eCOA, CTMS, and EDC systems);
  • Familiarity with data-privacy and compliance considerations (HIPAA, GxP, and 21 CFR Part 11);
  • Strong communication skills and ability to translate business/clinical requirements into technical solutions;
  • Bachelor's degree in Computer Science, Information Technology, or a related field (or equivalent practical experience).