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Watch this quick explainer.

Jeevan Kumar at his laptop
CRACCKIFY · LIFETIME ACCESS

Elite Membership

  • 90-day live challenge · unlimited cycles
  • Pre-recorded courses
  • Community access
  • Inner Circle calls
  • Lifetime membership access

Webinar-only bonuses

1 career counselling call + 1 mock interview

One-time enrollment₹29,999
Enroll now
ABOUT THE MEMBERSHIP

Preparation that stays focused.

Technical depth, interview readiness and a stronger professional profile.

  • Interview-focused learning
  • DSA and system design emphasis
  • Resume and Naukri profile correction
  • Gamified learning with XP points
  • Community of growth-driven Java developers
  • AI Software Engineer Workshop
THE SYLLABUS

From Java fundamentals to system design.

A closer look at what you’ll cover.

01

Data Structures & Algorithms

  • Prefix sums, contribution technique and carry forward
  • Time complexity and sorting
  • Hashing, HashSets and HashMaps
  • Sliding window and sweep
  • Strings, linked lists and two pointers
  • Binary search
  • Recursion and backtracking
  • Stacks and queues
  • Greedy algorithms
  • Dynamic programming
02

Core Java & Java 8

  • Fundamentals and memory management
  • Exception handling
  • Collections: List, Set, Map and Queue
  • Generics
  • Threading and concurrency
  • Streams and lambdas
03

Object-Oriented Programming

  • Abstraction and encapsulation
  • Polymorphism and inheritance
  • Abstract classes and interfaces
  • Constructor chaining
04

Low-Level Design

  • SOLID principles
  • Singleton, Factory and Builder
  • Adapter, Facade and Flyweight
  • Decorator, Observer and Strategy
  • Design practice: Tic Tac Toe, BookMyShow and Parking Lot
05

System Design

  • Load balancing and autoscaling
  • Sharding and caching
  • Microservices
  • Master–slave architecture, CAP and PACELC
  • Design practice: WhatsApp, Netflix, Hotstar, Instagram and a rate limiter
06

Spring Boot, Microservices & Cloud

  • Spring Boot basics, IoC, dependency injection and annotations
  • MVC architecture
  • REST, CRUD and database management
  • Spring Security and AOP
  • Monitoring and testing
  • Microservices and Kafka
  • Docker, Kubernetes and AWS
07

Naukri Profile & Resume Correction

  • Naukri profile strategy to improve visibility
  • An ATS-friendly resume focused on getting shortlisted
08

AI Software Engineer Workshop — Bonus

  • AI integration audit, ChatClient and LLM integration
  • Prompt engineering and tool orchestration
  • RAG, MCP and Spring AI
  • Embeddings, vectors and structured outputs
ALUMNI STORIES

Real people. Real career moves.

All success stories
Jeevan Kumar, Cracckify mentor
YOUR MENTOR

Jeevan Kumar

Java Dev Career Mentor · 7+ Years of Experience

Jeevan is a Senior Java Developer who has worked in product companies like Sun Mobility, Lightmetrics and Scopely.

He has been through countless product-company interviews himself and now helps Java developers understand what actually matters when moving from “I want to switch” to “I got the offer.”

Meet Jeevan on LinkedIn
WHAT’S INCLUDED

Learning, practice and support.

  • Live classes — twice a week for 12 weeks
  • Coding platform access
  • Pre-recorded courses
  • Inner Circle calls
  • Lifetime access to the membership
  • 30 Day DSA Streak Challenge

Webinar-only bonuses

  • 1 career counselling call
  • 1 mock interview
COMMON QUESTIONS

A little more clarity.

When are the live sessions?

Live sessions run every Monday and Wednesday, 8:30–10:00 PM, as part of the 90-day quarterly challenge. Alongside the live sessions, a structured path of pre-recorded courses and challenges lets you move faster at your own pace.

Who is this for?

Java full-stack and backend developers across junior, senior and lead roles, preparing for interviews and career growth.

Do I need prior Java knowledge?

Basic Java knowledge helps you get more from the membership.

What will I learn?

Core Java, Spring Boot, DSA, low-level and high-level system design, microservices and cloud concepts, with interview-focused preparation.

How is this different from free resources?

A structured learning path, practical design exercises, mentorship and interview preparation bring the resources together.

Is there placement support?

Resume reviews and job preparation guidance support your preparation. A career counselling call and a mock interview are webinar-only bonuses. There is no job or salary guarantee.

Can I learn while working full-time?

The program is designed for working professionals, with live classes and pre-recorded learning resources.

What if I get stuck?

Community support, doubt-clearing sessions and mentor access help you work through questions.

Still have a question?

Email support@cracckify.com