Facebook PixelCoding Interview Support & Preparation | Interview Sidekick
UserUserUserUserTrusted by 737,000+ candidates4.8(2,500+ reviews)

Master Your Coding Interview
With AI Coaching

AI-powered interview preparation for software engineers. Practice algorithms, data structures, and system design with personalized feedback to land your dream role.

  • 16,000+ Practice Questions
  • All Languages Supported
  • Built for Top Tech Interviews

Trusted by candidates interviewing at

Google
Meta
Amazon
Apple
Microsoft
Netflix

Everything You Need to Prepare

AI-powered preparation tools built for software engineers targeting top tech companies.

  • Algorithm Practice

    Practice with AI coaching for any algorithm problem. From two pointers to dynamic programming, get structured guidance on optimal approaches.

  • Data Structure Mastery

    Build deep understanding of when to use hash maps, trees, heaps, or graphs. Practice with targeted questions and get instant feedback.

  • System Design Prep

    Prepare for complex system design questions with structured guidance on scalability, trade-offs, and component architecture.

  • Performance Tracking

    Track your progress across topics and difficulty levels. See where you're strong and where you need more practice.

  • Edge Case Training

    Learn to identify boundary conditions, null checks, and corner cases. Build the habit of thorough problem analysis.

  • Complexity Analysis

    Understand time and space complexity for every approach. Learn to optimize from brute force to optimal solutions.

How It Works

Get started in minutes. No complicated setup required.

  1. 1

    Choose Your Focus Area

    Select from algorithms, data structures, system design, or behavioral questions. The AI tailors sessions to your target role and company.

  2. 2

    Practice With AI Coaching

    Work through problems with structured AI guidance. Get hints when you're stuck, feedback on your approach, and explanations of optimal solutions.

  3. 3

    Review & Improve

    Review detailed transcripts and performance insights. Track your progress and focus your preparation where it matters most.

Works with your favorite languages

PythonJavaScriptTypeScriptC++JavaGoRust

Frequently Asked Questions

Questions? Email me! I'll reply as soon as I can.

ben@interviewsidekick.com
Interview Sidekick provides AI-powered preparation tools for technical interviews. Practice algorithms, data structures, and system design questions with instant AI feedback to build the confidence to perform your best.
We support all major programming languages including Python, Java, JavaScript, TypeScript, C++, Go, Rust, C#, Ruby, and Swift. Our AI adapts to your preferred language and coding style.
Interview Sidekick covers the full range of technical interview topics: arrays, strings, linked lists, trees, graphs, dynamic programming, system design, object-oriented design, and more. It's built for the types of questions asked at top tech companies.
LeetCode gives you problems to solve alone. Interview Sidekick gives you AI-powered feedback, coaching, and structured practice sessions that simulate real interview conditions. It's preparation with guidance, not just practice.
No. Interview Sidekick works best alongside solid preparation. Think of it as a coaching tool that helps you practice more effectively and build confidence for the real thing.
We support coding challenges, system design, behavioral questions, and more. Whether you're preparing for a phone screen or an onsite loop, Interview Sidekick has you covered.

What People Are Saying

Join thousands who've landed their dream jobs after practicing with us.

4.8 from 2,500+ reviews
★★★★★Hired at Amazon
“The real-time assistant saved me during my technical interview. When I got stuck on a dynamic programming problem, it quietly suggested the right approach. I stayed calm, worked through it, and got the offer.”
DavidSoftware Engineer
The comebackAnonymized
8 → 58

real-interview score, inside a month

Score across real interviews+50 pts
8 Interview 158 Interview 258 Interview 3

Used the live assistant during real interviews

Cloud Integration EngineerEnterprise data platform
★★★★★Hired at Google
“The real-time feedback pointed out that my answers lacked metrics. Once I started adding specific numbers and outcomes, my practice scores jumped and so did my confidence.”
SarahProduct Manager
★★★★★Hired at Meta
“SQL and case study prep were my weak spots. After a week of daily practice sessions, I walked into my Meta interview feeling like I'd already done it before. Got the offer two days later!”
EmilyData Analyst
Sharper deliveryAnonymized
36 → 68

score up, filler words cut by two-thirds

Practice score over 9 days+32 pts
36 Day 152 Day 460 Day 768 Day 9

Used mock practice to fix delivery — before the interviews

Trust & Safety AnalystBig Tech · scaled-abuse
★★★★★Hired at Apple
“Portfolio presentations always made me ramble. The AI helped me tighten my case study walkthrough from 20 minutes to 8 minutes of clear, impactful storytelling.”
JessicaUX Designer
★★★★★Hired at Salesforce
“Practiced my pitch and objection handling until it felt natural. When they threw curveball scenarios at me in the final round, I handled them smoothly. Couldn't have done it without this prep.”
MarcusAccount Executive
Mastered the copilotAnonymized
58 → 72

specificity — answered in her own voice

Specificity, live (first → best)+14 pts
58 First72 Best

Learned to wield the live assistant in real interviews

Senior Test Automation Engineer8+ yrs · Playwright / Selenium
★★★★★Hired at Netflix
“The culture fit questions were spot-on for Netflix. I practiced articulating my creative process and decision-making style, which came up word-for-word in my actual interview.”
RachelMarketing Manager
The power userAnonymized
22 → 78

practice score — then 819 live answers

Practice score over 5 weeks+56 pts
22 Wk 148 Wk 262 Wk 478 Wk 5

Typed + voice assist across a 5-week job hunt

Senior Risk ManagerFintech / payments
4.8 from 2,500+ reviews

Prepare Smarter. Interview Better.

Join 737,000+ candidates who use Interview Sidekick to prepare for technical interviews.

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