The one-stop interview-prep bootcamp

Every interview topic,in one place.

ProgVale brings the best DSA, LLD, HLD, Java, Python, and AI/ML interview resources into one place — no more hunting across 10 tabs. Each day, it builds one focused assignment from your tracks, basics to advanced. No subscriptions, no paywalls. Just steady progress until you're interview-ready.

DSALLDHLDJavaPythonAI & ML
Today's learning system
25 OCT 2026
Sunday · 4 Sessions

Your plan is ready.

75
minutes today
Today's progress68%
Why these four? Based on your weak areas, review schedule, and learning progress.
01

Binary Search Patterns

DSA · Intermediate · Review

18 min
02

Spring Security Filters

Java · Backend · New

24 min
03

CAP Theorem

System Design · Recall

12 min
04

Gradient Descent

AI / ML · Deepen

21 min
Topics strengthened12this week
Data Structures & Algorithms ✦ Low Level Design ✦ Java / Spring Boot ✦ AI / ML ✦ HLD ✦
Data Structures & Algorithms ✦ Low Level Design ✦ Java / Spring Boot ✦ AI / ML ✦ HLD ✦
Data Structures & Algorithms ✦ Low Level Design ✦ Java / Spring Boot ✦ AI / ML ✦ HLD ✦
Data Structures & Algorithms ✦ Low Level Design ✦ Java / Spring Boot ✦ AI / ML ✦ HLD ✦

What are you trying to become better at?

Choose the skills you want to improve. Your daily plan evolves as you learn.

Data Structures & Algorithms

Master DSA from basics to advanced, with real interview problems.

ARTICLESSoon
↗

Low Level Design

Design patterns, SOLID principles, and object-oriented architecture.

ARTICLES3
↗

Java / Spring Boot

Core Java 21, Spring Boot, REST APIs, JPA, and microservice patterns.

ARTICLES3
↗

AI / ML

Machine learning, deep learning, and applied AI.

ARTICLES2
↗

HLD

HLD (High-Level Design)

ARTICLES1
↗

A simple,
5-step process.

01

Sign up.

Create your account in a few seconds — no credit card, no catch.

Start
02

Set your pace and pick your tracks.

Choose your daily assignment limit and the books you're interested in — DSA, LLD, Java, Python, AI/ML.

Setup
03

Get your assignment alert.

Every day, ProgVale emails you a fresh, focused assignment built around your tracks and progress.

Alert
04

Complete the assignment.

Read it, work through it, and mark it done. A little progress, every single day.

Learn
05

Land a FAANG job.

Consistent daily practice compounds into the depth it takes to crack top interviews.

Goal

Your curriculum should reflect your gaps.

ProgVale doesn't give everyone the same curriculum. Your daily plan changes based on what you've completed, what needs review, and where you're falling behind.

Sign up →
Learning profile / EngineeringDEMO
DSA / StrongBinary Search
LLD / DevelopingDesign Patterns
JAVA / StrongCollections
SYSTEM / WeakDistributed Systems
AI / ML / WeakBackpropagation
PYTHON / DevelopingData Structures

Stuck on an assignment? Ask your AI assistant.

Your personal AI coach has read the same articles you have. Ask it to explain a concept from today's assignment, check your progress, or tell you what to study next. Every answer links to the exact section, and when the library doesn't cover something, it says so instead of guessing.

  • Explain any concept from your assignments
  • Check your progress and today's plan in plain chat
  • Jump straight to the exact section to read more
Claim your free 20K creditsFree for every learner. No credit card. Start with 20K credits, enough for roughly 8 questions, and unlock more by reading 5 days in a row. One free allowance per person and network.