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Case study · AI career tool

The Interview Gauntlet 

A free AI interview coach that scores résumé fit against a role, helps candidates sharpen their positioning and simulates six interview rounds by text, voice or video.

The Interview Gauntlet interface

The Interview Gauntlet, a private browser-based workspace for résumé scoring and interview practice.

Visit The Interview Gauntlet

Turns a job description and résumé into an immediate ATS match and hiring-manager score.

Guides candidates through six realistic interview rounds with instant, actionable feedback.

Keeps résumé analysis in the browser and gives users direct control over their saved practice data.

Built with AI, Voice, Video, Browser-first privacy.

The people

Job seekers who want role-specific practice and honest feedback before a high-stakes interview.

What I heard

Built from recurring candidate questions about ATS fit, résumé positioning and how to prepare for different interview stages without paying for repeated coaching sessions.

The journey

Paste a job description and résumé, receive an alignment score, improve the application, then practise six interview rounds by text, voice or recorded video.

How I validated it

The workflow combines the coaching tasks candidates already asked for most often: role fit, résumé feedback and realistic mock interviews.

What I prioritised

Prioritised immediate scoring, privacy and useful practice feedback before adding unnecessary account or publishing features.

Where AI does the work

The AI compares evidence in the résumé with the role, generates stage-specific questions and returns structured feedback after each response.

How success was measured

Practice rounds completed, score improvement, résumé revisions made and candidate readiness before the live interview.

The results

Launched free inside Careers with Mary so the existing community can move from career advice to active interview practice in one place.