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INTL - R Shiny UI Developer
Insight Global
Wilmington, DE
We are seeking an experienced R Shiny Developer to lead frontend/UI development for RiskView, an enterprise Risk-Based Quality Management (RBQM) platform used for clinical trial site risk…
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Insight Global

INTL - R Shiny UI Developer

Wilmington, DE, United States

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Job details

Experience: 3+ years of R Shiny development experience
Posting language: English
Posted: Oct 31, 2026

Original job description

Job Description

We are seeking an experienced R Shiny Developer to lead frontend/UI development for RiskView, an enterprise Risk-Based Quality Management (RBQM) platform used for clinical trial site risk monitoring. This application serves clinical operations teams with interactive dashboards including KRI heatmaps, statistical visualizations, and data review tools, deployed on Posit Connect against an Azure SQL Database backend.

Key Responsibilities

Build and refine Shiny UI modules: design, implement, and maintain interactive dashboard views (KRI tables, boxplots, trend charts, data library) following the existing modular architecture
Implement responsive, accessible layouts: using bslib (Bootstrap 5), custom CSS variables, and the project's design system
Develop interactive visualizations: color-coded reactable heatmaps, Highcharts boxplots with scatter overlays, master/detail trend charts, and donut charts
Manage client-side interactivity: Shiny reactive event handling, JavaScript event bridges (Shiny.setInputValue()), and jQuery-based DOM interactions
Optimize UI performance: session-level caching, lazy rendering, and preparing for Phase 2 virtualized tables (React 18 via htmlwidgets)
Collaborate with backend/analytics developers: consume data from an R6-based DataStore class and integrate with pre-computed KRI analytics
Maintain and extend the CSS design system : 5 custom stylesheets with CSS custom properties for risk color theming, responsive breakpoints.
Write UI tests using testthat and shinytest2

Skills and Requirements

3+ years of R Shiny development experience
Deep experience building production Shiny applications (not just prototypes/dashboards)
Proficiency with bslib for Bootstrap 5 theming and layout (navsets, cards, sidebars, value boxes)
Experience structuring apps as Shiny modules with namespaced UI/server pairs
Understanding of Shiny reactivity: reactive expressions, observers, isolate, invalidation, debounce/throttle
Experience with shinyjs, shinyWidgets, and htmltools for custom UI components
Frontend Web Technologies
Strong CSS3 skills: custom properties (variables), flexbox/grid, media queries, transitions/animations
Working knowledge of JavaScript, DOM manipulation, event delegation, jQuery
Understanding of Bootstrap 5 grid system, utility classes, and component patterns
Familiarity with HTML5 semantics and accessibility (WCAG)

Data Visualization

Experience with reactable, custom cell renderers, conditional styling, grouped columns, sticky headers
Experience with Highcharts (via highcharter), boxplots, line charts, donut/pie charts, drilldown interactions
Ability to translate statistical outputs into clear, clinical-audience-appropriate visualizations

Posit Connect / Deployment

Experience deploying Shiny apps to Posit Connect (publishing, scaling, environment management)
Understanding of Connect's execution model (single-process vs. multiple workers, session management)
Familiarity with content scheduling on Connect (for batch pipeline integration)
htmlwidgets development: building custom R-to-JavaScript widget bindings.
React 18 fundamentals: component lifecycle, hooks, virtual DOM.
R package development: DESCRIPTION, NAMESPACE, roxygen2, devtools/pkgload workflow
Azure ecosystem: Azure SQL Database, Entra ID (Azure AD) SSO, ODBC connectivity
testthat / shinytest2: writing and maintaining UI and integration tests
Performance profiling: experience with profvis, shiny.tictoc, or browser DevTools for Shiny apps
Git workflow: feature branching, pull requests, code review

We are a company committed to creating diverse and inclusive environments where people can bring their full, authentic selves to work every day. We are an equal employment opportunity/affirmative action employer that believes everyone matters. Qualified candidates will receive consideration for employment without regard to race, color, ethnicity, religion, sex (including pregnancy), sexual orientation, gender identity and expression, marital status, national origin, ancestry, genetic factors, age, disability, protected veteran status, military or uniformed service member status, or any other status or characteristic protected by applicable laws, regulations, and ordinances. If you need assistance and/or a reasonable accommodation due to a disability during the application or the recruiting process, please send a request to HR@insightglobal.com.

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More about this job

Skills

R
Shiny
Quality assurance procedures
Microsoft Azure
SQL
Bootstrap
CSS
JavaScript
jQuery
FlexBox
HTML
Data visualization
Scheduling
React
Workflow
Git

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