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Application Stage

What this stage is​

The Application stage evaluates candidates by asking them to build or modify real applications.

Supports frameworks like React, Angular, and Next.js.

When to use it​

Use this stage when:

  • UI/UX and architecture matter
  • Evaluating real-world engineering tasks
  • Hiring frontend or full-stack developers

Core Features:​

  • Multi-file project structure
  • Editable and non-editable files
  • Live preview support
  • Framework-specific templates

Configuring the Stage​

When adding an Application stage to an assessment, you must first select the stage subtype:

  • Web Framework: Focused on modern frameworks like React, Angular, or Next.js.
  • Web Basics: Focused on core technologies including HTML, CSS, and vanilla JavaScript.
  • REST API: Focused on server-side development using frameworks like Flask, Express, Nest or FastAPI.

Application Stage Subtype

Detailed Configuration​

After selecting a subtype, you can define technology restrictions and standard stage settings.

  • Technology Restrictions: Define the specific frameworks or libraries available to candidates.
  • Select Challenge: Choose a single Application challenge from the CoderScout library or your own library.
  • Standard Settings: Configuration for Progression Score, Deadline to Start By, and Duration are detailed in the Stage Settings page.

Application Stage Settings

Candidate Experience​

Language & Technology Selection​

Upon initiating an Application stage, candidates select their preferred development stack from the options pre-configured in the stage settings. For Web Framework challenges, this ensures the workspace is provisioned with the correct runtime environment.

Application Technology Selection

Web-Based IDE & Preview​

Candidates are provided with a robust, cloud-integrated IDE. For web-based sub-types, the environment includes:

  • Live Web Preview: A real-time rendering of the application being built, allowing candidates to verify UI and functionality instantly.
  • Dependency Management: A dedicated interface to search for and install essential libraries (NPM/Yarn) required for the project.

Web Framework IDE Interface

Managing Dependencies​

The integrated dependency manager allows candidates to extend the project's capabilities by adding specific frameworks or utilities directly within the browser.

Dependency Manager

Administrative Insights & Evaluation​

Dashboard Analytics​

The Application dashboard provides a dual-scoring model for objective assessment:

  • Functional Score: Derived from automated unit test results (if configured) or manual reviews by the hiring team.
  • AI Score: A qualitative analysis of code architecture, logic transparency, and completeness, accompanied by constructive feedback.

Application Dashboard Overview

AI Evaluation Metrics​

The AI scoring system breaks down performance into specific technical metrics, providing a granular view of the candidate's engineering depth.

AI Score Evaluation

Forensic Timeline & Web Preview​

The Timeline view allows recruiters to audit the candidate's development process with high precision:

  • Interactive Web Preview: Review the final state of the candidate's web application directly from the dashboard.
  • Code Audit: Explore and edit the candidate's solution or modify dependencies to test for edge cases.
  • Integrity Signals: Monitor behavioral events such as tab switching, copy-paste actions, and coding linearity.

Application Timeline & Web Preview

Proctoring & Evidence Review​

There is a section for evidence recordings, where you can review synchronized webcam and screen-share footage to ensure assessment integrity.

Evaluate Recordings

Key Benefits​

The Application stage provides a high-fidelity environment for evaluating complex engineering skills:

  • Real-World Engineering Validation: Evaluate candidates on their ability to build functional applications using modern frameworks like React and Next.js, rather than isolated code snippets.
  • Interactive Performance Audit: Use the interactive web preview and forensic timeline to review the execution and development process of the final application.
  • Advanced AI Evaluation Insights: Leverage AI-generated reports that analyze deep technical patterns, state management, and architectural scalability.
  • Authentic Development Ecosystem: Empower candidates with an in-browser IDE that supports real-time dependency management (NPM/Yarn) and instant UI previews.
  • Robust Integrity & Proctoring: Ensure the authenticity of multi-file projects through synchronized recording reviews and detailed behavioral signals like tab-switching and copy-paste detection.