Your placement prep, built for engineers.
DSA, Core CS & interviews in one workspace.
Prepare for campus placements and technical interviews with one focused workspace for DSA practice, Core CS learning, interview questions, and progress tracking.
Placement Command Center
Example learner view · Technical interview prep
Status
On track
DSA Progress
184/550
Core CS
4 Subjects
200+ Qs Each
Today's Focus
2.5 hrs
Continue Learning
Dynamic Programming: 0/1 Knapsack
Optimal Substructure & Memoization
DBMS: ACID & 3NF Normalization
Topic Quiz & 200+ Interview Qs
Everything you need to clear technical interviews.
Choose your focus area and prepare with structured roadmaps built specifically for engineering students and freshers.
DSA Sheets & Topic Practice
Topic-wise problem sets from Arrays and Strings to Graphs and Dynamic Programming with multi-approach solutions.
Algorithmic Coding Patterns
Master the core algorithmic blueprints tested in top tech interviews with step-by-step decision trees and templates.
Core CS Subjects & Quizzes
Comprehensive placement revision for DBMS, Operating Systems, Computer Networks, and OOP with concept tests.
Interactive SQL Practice
Hands-on database query chapters with real-world schemas, joins, aggregation, grouping, and window functions.
Technical Interview Question Bank
Subject-wise interview question archives with detailed technical answers, code examples, and interviewer follow-ups.
HR & Behavioral Preparation
Structure your situational and leadership stories using the proven STAR framework for cultural fit and manager rounds.
How to prepare with StudyVex.
From zero to interview-ready in three structured, repeatable steps.
Choose Your Learning Track
Select by placement goal
Pick your target domain—DSA Sheets, Algorithmic Coding Patterns, Core CS (DBMS/OS), Interactive SQL, or Technical Interview Banks.
Learn Concepts & Practise
Deep-dive with verified solutions
Study clear intuition breakdowns, compare Brute Force vs. Optimal approaches, take synchronized timestamped notes, and run multi-language code.
Track & Build Placement Readiness
Measure consistency daily
Log your Pomodoro focus sessions, keep your daily study streak alive, and track your topic completion score before real placement drives.
Real problem breakdowns. Not just code dumps.
Every StudyVex module teaches you how to think like an engineer—with multiple approach tiers, dry runs, and runnable solutions in DSA and Core SQL.
Binary Search in Sorted Array
Given an array of integers nums which is sorted in ascending order, and an integer target, write a function to search target in nums. If target exists, return its index. Otherwise, return -1.
Constraint: You must write an algorithm with O(log n) runtime complexity.
Structured Approach Tiers:
Since the array is sorted, calculate mid = low + (high - low) / 2 to prevent integer overflow. If nums[mid] == target, return mid. If nums[mid] < target, eliminate the left half by setting low = mid + 1. Otherwise, set high = mid - 1.
Why engineers switch from tab chaos to StudyVex.
Learning online should feel calm and focused, not like an obstacle course through algorithmic recommendations.
20 open tabs, lost notes & zero structure.
Scattered YouTube videos, unorganized code snippets in notepad, and no central view of what you actually mastered.
- ✕Algorithmic sidebars and shorts feeds pulling focus away from complex algorithms.
- ✕Notes disconnected from video timestamps; no way to re-check that exact 2-minute explanation.
- ✕Random standalone questions without structured approach progressions or clear patterns.
- ✕No daily study goal tracking or quantitative placement readiness score.
One intentional workspace built for engineers.
Curated lecture series, synchronized timestamped notes, pattern-wise practice, and consistency metrics in one place.
- Distraction-free video desk without algorithmic rabbit holes or comment traps.
- Timestamped notes capture the video's exact second so you jump back in one click.
- 580+ curated DSA questions with 3 approach tiers (Brute, Better, Optimal) and 4 languages.
- Daily Pomodoro focus sessions, active streak tracking, and Core CS topic quizzes.
Connected tools that support your placement goal.
No more switching between separate note-taking apps, timer widgets, and spreadsheet checklists.
Learn & Practise
Curated playlists, notes & sheets
All your learning resources unified. Watch computer science lectures from top educators, take timestamped notes, and solve pattern-based problems without leaving the desk.
Curated YouTube Playlists
Organized by computer science subjects
Timestamped Notes
Notes jump back to video's exact second
In-Browser PDF Drive
Upload and view cheatsheets & textbooks
Stay Consistent
Timers, streaks & daily targets
Placement preparation is a marathon. Built-in Pomodoro sessions, target goal planning, and daily streak counters keep you disciplined through preparation season.
Pomodoro Focus Timer
25/50 min focus intervals with study stats
Daily Target Goals
Set problem counts and hours for today
Active Streak Tracking
Visual momentum that keeps you studying
Track Your Progress
Readiness score & revision
Know exactly where you stand before interview day. Review your topic completion rates, weekly velocity, and flag tricky questions for strategic spaced repetition.
Readiness Index
Overall placement score across DSA & Core CS
Weekly Focus Distribution
See where your preparation time goes
Revision Bookmarks
Flag tricky questions for second-pass review
Everything you need to know.
Clear, honest answers about preparation, features, and platform access.
Your preparation has a place.
Make it StudyVex.
Master DSA patterns, study Core CS with quizzes, practice curated questions by subject, and stay consistent with daily goals.