Shiny Application Developer

full-time

remote from anywhere in India

We are seeking an experienced Shiny Application Developer who can translate design concepts into interactive, production-ready Shiny applications. The ideal candidate combines strong R programming skills with experience in UI customization and advanced Shiny patterns, including state management, modular design, and extending Shiny with JavaScript when necessary.

Responsibilities

Build high-quality Shiny applications directly from Figma wireframes and design specifications.

Implement custom UI components within Shiny using CSS and light JavaScript for R (e.g., custom input/output bindings, small DOM manipulations, htmlwidgets).

Create or extend htmlwidgets to support bespoke visualizations and interactivity.

Design and manage application state using R6 classes and modular Shiny architecture.

Develop Applications With Complex Interactive Behaviors, Such As

Cross-component reactivity and communication

Persistent state management

Dynamic filtering, drill-downs, and user-driven exploration

Ensure application performance, testing, and reliability in production environments.

Collaborate closely with designers, analysts, and product stakeholders to deliver polished applications.

Qualifications

Proven experience developing advanced Shiny applications from wireframes or design specs.

Strong knowledge of R, Shiny, and reactive programming.

Proficiency with custom HTML and CSS styling in Shiny to deliver applications that match Figma/UX specifications.

Familiarity with bslib and Bootstrap 5, including creating custom modals, waiters, and tooltips.

Practical Experience With JavaScript In The Shiny Context

Writing or modifying custom input/output bindings

Enhancing reactivity via shinyjs or htmlwidgets

Extending Shiny with lightweight JS code where necessary

Experience using R6 classes for state management and encapsulating business logic.

Familiarity with advanced Shiny practices, including modular design, async operations, and bookmarking/session state.

Knowledge of testing frameworks (e.g., shinytest2, testthat)

Git for version control

Bonus: Experience with performance tuning (caching, async), deployment (Shiny Server / Posit Connect / Docker), or integration with APIs and databases.