Publications & Updates

Insights, Guides &
Interview Intelligence

Deep dives into low-latency engineering, behavioral frameworks, and security best practices to help you interview with absolute clarity.

Career & Hiring TipsJune 25, 2026

Best Interview Copilot for Technical Interviews

Discover the best interview copilot tools to practice smarter, boost confidence, and improve your chances of landing the right job.

HC

hcalls Team

Core Contributor

9 min readRead
AI Interview PrepJune 25, 2026

System design interview preparation with a real-time copilot helper

Boost system design interview preparation with a real-time copilot helper. Practice smarter, get instant feedback, and improve interview performance.

HC

hcalls Team

Core Contributor

8 min readRead
EngineeringJune 15, 2026

The Science Behind Live Audio Capture: How We Achieve <100ms Latency

An inside look at WASAPI loopback capture, high-frequency speech-to-text processing, and the engineering decisions behind sub-second copilot responses.

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Niranjan K.

Lead Architect

6 min readRead
CareerJune 18, 2026

Mastering the STAR Method for Behavioral Interviews in 2026

How to structure your experience into Situation, Task, Action, and Result, and how our live copilot keeps your answers structured under pressure.

SJ

Sarah Jenkins

Tech Recruiter

5 min readRead
SecurityJune 20, 2026

Privacy First: Why Your Resume & Audio Transcripts Belong on Your Machine

In the age of cloud-everything, we chose a local-first architecture. Here's how we protect candidate data, protect candidate privacy, and keep interviews 100% secure.

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Nick

Co-Founder

4 min readRead
TipsJune 22, 2026

How to Use AI Interview Copilots Ethically (Without sounding like a bot)

AI is a powerful communication aid, but reading text verbatim is a recipe for failure. Learn how to use live prompts as a mental trigger and keep your delivery natural.

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David Vance

Career Coach

5 min readRead