HappyRobot Interview Guide for Engineers and FDEs
9 min read A realistic reconstruction of the HappyRobot interview loop, built around its one attested detail, the ~15-hour platform take-home, for engineers and FDEs. Read article
Interview Prep
Interview Prep
River AI Interview Guide for ML Infra and Research Roles
9 min read What to expect interviewing at River AI, Igor Babuschkin’s open-weight custom-model startup, for ML systems and research-engineering roles. Read article
Interview Prep
Inside the Hermeus Interview for Hypersonic Aircraft Roles
8 min read How Hermeus interviews engineers for its reusable high-Mach aircraft programs, from the discipline round to the ITAR screen and equity-heavy comp. Read article
Interview Prep
Inside Castelion’s Interview Loop for the Hypersonics Push
8 min read What the engineering interview looks like at Castelion, the ex-SpaceX hypersonics startup, plus the ITAR screen and how to read its comp. Read article
Interview Prep
What an AI-Conducted Interview Screen Is and How to Pass It
9 min read A breakdown of the 2026 AI-interviewer screen, how it scores you, and how to talk to a bot that never nods back. Read article
Interview Prep
Inside Owner.com’s Full-Stack Interview Loop and Comp
8 min read What the engineering interview looks like at Owner.com, the restaurant-AI startup, and how to read its comp after the $240M Series D. Read article
Interview Prep
Inside Socure’s Engineering Interview Loop and Comp
8 min read What Socure’s IC engineering interview loop looks like, the ML-in-the-backend question the role points to, and how to read comp. Read article
Interview Prep
How Etched Interviews for Silicon, Compiler, and ML-Infra Roles
8 min read How to prepare for an Etched engineering interview across silicon, compiler, and ML-infra tracks, using the hardware-startup archetype where public detail is thin. Read article
Interview Prep
Inside the Apptronik Interview for Robotics Engineers
9 min read What Apptronik’s engineering interview actually looks like, the rounds and question types, and how to prepare for a controls, embedded, or robotics-ML role. Read article
AI/ML Interview Questions
Chai Discovery Interview Prep for Research Engineers 2026
8 min read What Chai Discovery screens for across its ML research and research-engineering loops, with a realistic round structure, sample questions, and how to read the comp bands. Read article
Interview Prep
Fluidstack Interview Guide 2026 for GPU Neocloud Engineers
8 min read What Fluidstack’s engineering interview loop looks like in 2026, the systems questions they ask, and how to read the comp ranges. Read article
Interview Prep
Inside the SambaNova Interview for Compiler and Systems Roles
8 min read A round-by-round look at how SambaNova screens compiler, kernel, ML-infra, and systems engineers, with realistic comp ranges and prep advice. Read article
Interview Prep
How Convex Runs Its Engineering Interviews
7 min read How Convex (convex.dev, the reactive backend platform) runs its engineering interviews, what each round screens for, and how to prepare. Read article
Algorithms
The coding-interview cheat sheet I actually keep open
6 min read A decision procedure for recognizing which algorithm pattern a problem wants, with the trigger phrase, data structure, and canonical problems to drill for each. Read article
Quant Finance
The quant developer interview loop, round by round
7 min read A round-by-round map of the quant developer interview loop and the classes of questions each firm tests, from the C++ screen to the matching-engine round. Read article
