Frontend Web Developer (React & Shiny)

full-time

remote from anywhere in the U.S.

About The Role

We’re looking for a frontend developer with strong experience in React and R Shiny to build modern, modular, and interactive web applications. The ideal candidate is equally comfortable following Figma wireframes to produce pixel-perfect UIs and structuring enterprise Shiny applications and React.js applications with advanced backend logic and state management

Key Responsibilities

Develop responsive, high-quality user interfaces using React.js and Shiny

Implement custom React and Shiny components based on Figma wireframes

Build modular and maintainable Shiny architectures using modules, R6 classes, and operational programming for backend state management

Experience with data visualization libraries such as D3.js, Plotly, or Highcharts

Integrate React Router (or Shiny equivalents) for dynamic navigation and routing

Customize or build widgets using HTML, JavaScript, and CSS to extend Shiny’s interactivity

Optimize application performance and ensure consistent user experience across browsers

Work closely with backend and data teams to design clean APIs and reactive data flows

Qualifications

3+ years of experience in front-end development with React.js

3+ years of hands-on experience developing Shiny applications

Proven ability to structure Shiny apps modularly and manage application state using R6 or equivalent design patterns

Strong knowledge of HTML, CSS, JavaScript, and React Router

Experience building or extending Shiny widgets with custom HTML/CSS/JS

Familiarity with Figma and ability to translate design systems into reusable React/Shiny components

Experience integrating Shiny with JavaScript frameworks or APIs a strong plus

Strong debugging, performance optimization, and version control (Git) skills

Preferred But Not Required

Experience with UI/UX design principles, design systems, or accessibility standards

Experience working with backend systems, APIs, or databases (e.g., PostgreSQL, DuckDB, or REST APIs)

Familiarity with Docker or containerized Shiny deployments

Understanding of CI/CD pipelines, GitHub Actions, or automated testing for R/Shiny apps

Exposure to DevOps or data engineering workflows supporting Shiny-based analytics platforms

Familiarity with clinical trial data visualization or data-intensive dashboards