Blog
Deep dives on how we build CoderScreen, plus what we're learning about coding interviews and technical hiring.
I checked whether “using AI” actually pays at YC startups. It doesn’t
We scraped every open engineering role at around 1,400 YC startups. Requiring engineers to 'use AI' pays almost nothing once you control for seniority, while infrastructure and ML systems skills like Terraform, CUDA, and PyTorch pay a real premium.
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How We Built a Multiplayer Code Editor with Cloudflare, Yjs, and CodeMirror
How we built CoderScreen's collaborative interview editor with Yjs and CodeMirror, kept it in sync with a Cloudflare Durable Object per room, and ran the candidate's code in a sandbox.
Modern Tech Stack 2025: What Developers Actually Use
Discover which programming languages, databases, AI tools, and frameworks developers actually use in 2025 based on the largest developer survey.
AI Engineer Hiring in 2025: The AI-Native Revolution
How AI is reshaping technical hiring in 2025—from the comeback of junior developers to the essential attributes of next-gen engineers.
Interview Best Practices: How to Judge Coding Ability
A guide to evaluating developer coding skills through technical interviews. Learn proven assessment methods and best practices to identify top talent.
Technical Interviews 2025: Navigating the AI Revolution
How AI is reshaping technical interviews, from AI-assisted assessments to new skill requirements, and what it means for hiring teams.
Tech Layoffs 2025: Amazon's AI-Driven Workforce Shift
Analysis of the 2025 tech layoffs including Amazon's 14,000 job cuts and how AI is reshaping the workforce across Microsoft, Meta, Google, and Intel.