--- title: "Technical interview prep | PrepPilot" description: "Practice coding, system design, and live technical interviews with an AI interviewer." lang: en json-ld: --- [PrepPilot ](/) Practice [Features](/features)[How it works](/how-it-works)[Pricing](/pricing)[Stories](/testimonials) [Log in](/auth)[Get started free](/signup?plan=individual) For job seekers # Technical Interview Prep – Coding, System Design & More Technical interviews aren't just about the right answer, they're about how you think out loud. PrepPilot pairs you with an AI interviewer that probes your reasoning, just like a senior engineer would. Coding & system design coverage Senior-engineer-level follow-ups Detailed reasoning feedback Start free — takes 10 seconds See how it works 100% free · No credit card required Practiced by 12,000+ candidates interviewing across Big Tech Top Banks Strategy Consulting Big Four Healthcare FinTech SaaS Leaders — How it works — ## Three steps to interview confidence. Step 01 ### Pick your interview Behavioral, technical, case, system design — or paste a real job description and we'll build the mock around it. Step 02 ### Talk it through An AI interviewer asks real questions, probes your answers, and follows up just like a hiring manager would. Step 03 ### Get coached A warm, specific scorecard the moment you finish. Where you shone, where to tighten, what to say next time. — Practice library — ## Real Technical Interview Scenarios From DSA whiteboards to system design loops, practice the formats top tech companies actually use. Easy ### Two Sum (Easy DSA) Walk through your thought process on a classic array problem with the AI interviewer. Hard ### System Design: URL Shortener Design a scalable URL shortener live, defending your trade-offs to a senior engineer. Hard ### Debugging a Production Outage Talk through how you'd diagnose a memory leak in a live system. Medium ### Coding: Binary Tree Traversal Explain recursion and trade-offs while writing clean, working code. Medium ### Behavioral for Engineers Tell stories about technical leadership, on-call incidents, and code reviews. Hard ### Architecture: Chat App at Scale Design a real-time messaging platform, handling 10M concurrent users. — Your coach's notes — ## Feedback that feels like a friend who gets it. Mock interview · Round 1 88/100 Problem Decomposition 92 Communication 88 Code Quality 90 Trade-off Analysis 85 Edge Case Coverage 87 A note from your coach - · Strong clarification questions before jumping to code. - · Discuss time/space complexity earlier, before the interviewer asks. - · Walk through one edge case test before declaring done. You're closer than you think. Try one more round. — What makes us different — ## Stop studying interviews. Start having them. ### Online courses Lectures and worksheets. No live practice. You read about interviews instead of doing them. ### Human coaches Insightful but $200+/hr. Hard to schedule. One conversation a week if you're lucky. ### PrepPilot Live mocks any time of day, with feedback that actually tells you what to fix. For the price of a coffee. — The results — ## Calm in the room. Offers in the inbox. 12,000+ job seekers practicing this week 87% report feeling more confident 3.2× more offers received 12 hrs average practice before an offer > " I'd bombed three onsite interviews before finding PrepPilot. The follow-up questions are brutal in the best way. Got my dream offer two weeks later. James Okafor · Senior Engineer in Fintech > " Walked into my big tech loop feeling like I'd already done it ten times. That calm changed everything. Priya Sharma · Product Manager in Big Tech > " As a career switcher, I had no idea how to answer behavioral questions. The STAR coaching transformed my responses. Maria Lopez · Marketing Manager in SaaS ## Don't let nerves cost you the offer Practice technical interviews until walking through your reasoning feels effortless. Create free account — no card needed 100% free · No credit card required [PrepPilot ](/) A coach in your corner for the interview that changes everything. "Built by people who've sat on both sides of the table." #### Practice - [Mock interviews](/job-interview-simulator) - [Behavioral prep](/behavioral-interview-prep) - [Technical prep](/technical-interview-prep) - [Case interviews](/case-interview-practice) - [Pricing](/pricing) #### Company - [About](/about) - [Stories](/testimonials) - [Blog](/blog) - [Careers](/careers) - [Contact](/contact) #### Help - [FAQ](/faq) - [Book a demo](/book/demo-15min) - [Privacy](/privacy) - [Terms](/terms) © 2026 PrepPilot. Made with care for job seekers everywhere. [Security](/security)· [Privacy](/privacy)· [Terms](/terms)