Learn.Practice.Success.
The all-in-one platform for software engineer interview prep.Structured learning tracks, practice live machine coding and DSA, and a DoxPro AI assistant.
Built with ❤️ by an engineer. For engineers.
Free to browse · Sign in for dashboard & job tracker

Trusted by employees at top product companies
- Amazon
- MicrosoftMicrosoft
- GoogleGoogle
- FlipkartFlipkart
- RazorpayRazorpay
- Airbnbairbnb
- UberUber
- AdobeAdobe
- AtlassianAtlassian
- IntuitIntuit
What's inside this
Five tracks, plus dashboard, jobs, and DoxPro
Frontend, machine coding, DSA, Python, and Gen AI — with progress tracking, curated roles, and an embeddable AI assistant.
A2Z Frontend
116 topics · JS to system design.
- JS, TypeScript, React, and Next.js — 116 topics
- Browser internals, rendering, and performance
- Frontend security and full-stack design
- Panel-ready answers by module
Machine Coding
105+ challenges · live editor & tests.
- 105+ JavaScript and React challenges
- Live in-browser editor
- Automated tests on every problem
- Timed UI-round format
DSA Track
260+ problems · pattern-first lists.
- 260+ problems, grouped by pattern
- Company tags on lists
- LeetCode-linked practice
- Filter by topic and difficulty
Python Track
22 topics · Core Python & FastAPI.
- 22 topics across Core Python and FastAPI
- Language fundamentals for interviews
- APIs, auth, and backend patterns
- One path from core to production APIs
Gen AI Track
13 modules · LLMs, RAG, agents.
- 13 modules from LLMs to production
- RAG with grounded, cited answers
- Agents and tool-use patterns
- System-design style AI rounds
Dashboard
Solved stats · streaks & module charts.
- Solved counts and streaks
- Activity heatmap
- Progress charts by module
- Private job tracker
Tech Jobs
Curated openings · private application tracker.
- Frontend-focused openings
- Experience and location filters
- Apply on the employer site
- Private application tracker
DoxPro
Embeddable AI assistant · live in minutes.
- Org workspace with public and secret keys
- Upload knowledge docs for RAG
- One CDN script to embed
- Live in your product in minutes