All Courses

Keerti Purswani

7 Weeks Hands-on Generative AI Course
<ul>
	<li>Recordings available for lifetime</li>
	<li>Get Access to all Upcoming Live Batches of the course</li>
</ul>
&nbsp;
<h1>Week-wise Curriculum</h1>
<h3>Week 1: Foundations of Generative AI</h3>
<ul>
	<li>
	Introduction to AI
	</li>
	<li>
	Mathematical Foundations for AI
	</li>
	<li>
	Probability, Statistics, and Linear Algebra
	</li>
	<li>
	Basics of Neural Networks
	</li>
	<li>
	Gradient Descent and Optimization Basics
	</li>
	<li>
	Architectures: Feedforward, RNN, and CNN
	</li>
	<li>
	Mini Project: Build a Simple Neural Network Using TensorFlow
	</li>
	<li>
	Mini Project: Train an Autoencoder on the MNIST Dataset
	</li>
</ul>
<h3>Week 2: Deep Generative Models</h3>
<ul>
	<li>
	Discriminative and Generative Models
	</li>
	<li>
	Generative Adversarial Networks (GANs)
	</li>
	<li>
	Variational Autoencoders (VAEs)
	</li>
	<li>
	Probabilistic Data Generation Using VAEs
	</li>
	<li>
	Four Mini Projects using TensorFlow
	</li>
	<li>
	Metrics Visualization using TensorBoard
	</li>
	<li>
	Mini Project: Implement a GAN to Generate Handwritten Digits
	</li>
	<li>
	Mini Project: Train a VAE to Generate Faces Using the CelebA Dataset
	</li>
</ul>
<h3>Week 3: Transformers and Large Language Models</h3>
<ul>
	<li>
	RNN, LSTM
	</li>
	<li>
	Transformers Architecture
	</li>
	<li>
	Attention Mechanism: Self-Attention and Positional Encoding
	</li>
	<li>
	Major Project: Code Transformer from Scratch
	</li>
	<li>
	Encoder-Decoder Framework
	</li>
	<li>
	Pretraining Objectives: MLM, CLM
	</li>
	<li>
	GPT, BERT
	</li>
	<li>
	Mini Project: Sentiment Analysis Using BERT
	</li>
</ul>
<h3>Week 4: Fine-Tuning, LangChain, LangGraph</h3>
<ul>
	<li>
	Pretraining and Fine-Tuning
	</li>
	<li>
	LoRA, QLoRA
	</li>
	<li>
	Hugging Face
	</li>
	<li>
	Fine-Tuning for Tasks Like Summarization, QA
	</li>
	<li>
	LangChain Installation and Basic Setup
	</li>
	<li>
	Overview of LangChain: Prompts, Memory, Chains, Agents
	</li>
	<li>
	LangGraph: Nodes, State, StateGraph, Workflows
	</li>
	<li>
	AI Agents
	</li>
	<li>
	Mini Project: Simple Q&amp;A Application Using LangChain
	</li>
</ul>
<h3>Week 5: Vector Databases, RAG</h3>
<ul>
	<li>
	Vector Databases
	</li>
	<li>
	ChromaDB
	</li>
	<li>
	Applications of RAG
	</li>
	<li>
	Building RAG Pipelines with LangChain
	</li>
	<li>
	Building Frontend Using Streamlit
	</li>
	<li>
	Major Project: Build End-to-End Chatbot Like ChatGPT Using Streamlit, LangGraph, ChromaDB, WebSearch Tools, and Memory with LLMs
	</li>
	<li>
	Project: Build an App Using Streamlit for Image Generation, Image Caption Generation, and Video Caption Generation
	</li>
</ul>
<h3>Week 6: Trending Topics</h3>
<ul>
	<li>
	MCP - Model Context Protocol
	</li>
	<li>
	Ollama
	</li>
	<li>
	Projects - Fine-Tuning Using Unsloth
	</li>
	<li>
	Mixture of Experts
	</li>
	<li>
	Chain of Thoughts
	</li>
	<li>
	Deepseek Architecture
	</li>
</ul>
<h3>Week 7: Projects &amp; Advanced Topics</h3>
<ul>
	<li>
	Distillation
	</li>
	<li>
	Diffusion Models
	</li>
	<li>
	Vision Transformers
	</li>
	<li>
	Multimodal Models
	</li>
	<li>
	CLIP
	</li>
	<li>
	Prompt Engineering
	</li>
</ul>
&nbsp;
<h1>FAQs</h1>
Will there be recordings of the classes? 
You will have lifetime access to all the class recordings. You can re-watch, revise, or attend the next batch&#39;s live classes (as and when they happen) with lifetime validity.
What are the prerequisites for the course? 
Basics of Python, NumPy, and Pandas. Videos are provided for these topics. So, the only prerequisites are an internet connection and a hunger for learning.
Is Machine Learning a prerequisite for the course? 
All the basic fundamentals required for Generative AI will be taught in the course. You do not need to have any prior knowledge of Machine Learning or AI.
How many projects will we work on? Can I add these to my resume? 
We will work on 10 projects that you can add to your resume.
Is this course for freshers or experienced people? 
This course is for anyone who wants to build projects and understand Generative AI. Years of experience do not matter.
How will you be able to cover so much in 7 weeks? 
You can check out testimonials &ndash; if you are consistent with the course, we promise that you will surprise yourself. This course will make you very confident in working with trending and future-defining technologies.
What languages do we use to build the projects? 
Python.
Can I watch the classes only on my phone without a laptop? 
Yes, you can watch the classes on your phone without a laptop. However, it is a hands-on course, so it is better to code as we proceed.
Will you provide the code? 
Yes!
Where can I ask my doubts? 
The Discord community will always be active!
What language will the course be taught in? 
Everything will be taught in English.
Do you have a mobile application? 
We have a mobile application for both Android and iOS.
Can I watch the class recordings or go through notes offline? 
You can download the recordings and notes on the mobile application and use them offline at your convenience.
Do you provide a certificate for the course? 
The certificate of completion is available.
Can I get invoices for reimbursement? 
Yes, a proper invoice with GSTIN is available as soon as you enroll in the course.
I have more questions. How can I reach out to you? 
Drop us a mail at <a href="mailto:support@educosys.com">support@educosys.com</a>.

8 Weeks LIVE Hands-on High Level System Design Course
<ul>
	<li>
	Recordings available for lifetime
	</li>
	<li>
	Get Access to all Upcoming Live Batches of the course
	</li>
</ul>
Week-wise Curriculum
Week 1
AWS Fundamentals - Understanding and Setup
<ul>
	<li>
	EC2 Instances
	</li>
	<li>
	Security Groups
	</li>
	<li>
	IAM Roles
	</li>
	<li>
	VPC
	</li>
	<li>
	DynamoDB
	</li>
	<li>
	RDS
	</li>
	<li>
	S3
	</li>
	<li>
	CDN - CloudFront
	</li>
	<li>
	Kafka - MSK
	</li>
	<li>
	DNS - Route 53
	</li>
	<li>
	Docker
	</li>
	<li>
	Kubernetes
	</li>
	<li>
	NodeJS Fundamentals
	</li>
	<li>
	Connecting all components with NodeJS
	</li>
</ul>
&nbsp;
Weeks 2 and 3
Messaging/Chat System like Whatsapp
<ul>
	<li>
	HLD Design Discussion
	</li>
	<li>
	Implementing microservices and components
	</li>
	<li>
	Stitching all components together
	</li>
	<li>
	Hosting the system
	</li>
</ul>
&nbsp;
Weeks 4 and 5
Video Streaming System like YouTube
<ul>
	<li>
	HLD Design Discussion
	</li>
	<li>
	Implementing microservices and components
	</li>
	<li>
	Stitching all components together
	</li>
	<li>
	Hosting the system
	</li>
</ul>
Weeks 6 and 7
Stock Broker System like Zerodha
<ul>
	<li>
	HLD Design Discussion
	</li>
	<li>
	Implementing microservices and components
	</li>
	<li>
	Stitching all components together
	</li>
	<li>
	Hosting the system
	</li>
</ul>
&nbsp;
Week 8
Common Components of Systems
<ul>
	<li>
	Logging and Monitoring
	</li>
	<li>
	Doubt Support
	</li>
</ul>
&nbsp;
<h1>FAQs</h1>
&nbsp;
Will there be recordings of the classes?
You will have access to all class recordings. You can rewatch, revise, or attend the next batch&#39;s live classes (whenever they occur) with lifetime validity.
&nbsp;
What are the prerequisites for the course?&nbsp;
Basics of JavaScript, we have also provided a video for that. So, the only prerequisite is - Internet connection and Hunger for Learning.
&nbsp;
Is any other course a prerequisite for HHLD?&nbsp;
No, all our courses are independent, and you can enroll in any order based on your preferences.
&nbsp;
How is this course different from HLD?&nbsp;
The HLD course is more theoretical and includes demos. Its primary aim is to equip you with a thorough understanding of the concepts, preparing you for HLD interviews and providing insight into real-world system functionalities. HHLD focuses on implementing these systems. It prioritizes hands-on experience, ensuring you&#39;re equipped with practical skills and ready-to-use projects by the end of the course.
&nbsp;
How many projects will we work on? Can I add these to resume?&nbsp;
We will work on 3 end-to-end projects that you can add to your resume.
&nbsp;
Is this course for freshers or for experienced people?&nbsp;
This course is for anyone who wants to master HLD. Years of experience doesn&rsquo;t matter.
&nbsp;
Can I watch the classes only on the phone without a Laptop?&nbsp;
Yes, you can watch the classes on your phone without a laptop. However, it is a hands-on course. So, it is better to code as we proceed.
&nbsp;
Will you provide the code?&nbsp;
Yes!
&nbsp;
Where can I ask you doubts?&nbsp;
The discord community will always be active!
&nbsp;
What language will the course be taught in?&nbsp;
Everything will be taught in English.
&nbsp;
Do you have a mobile application?&nbsp;
We have a mobile application for both Android and iOS.
&nbsp;
Can I watch the class recordings or go through notes offline?&nbsp;
You can download the recordings and notes on the mobile application and use them offline as per your convenience.
&nbsp;
Do you provide certificate for the course?&nbsp;
The certificate of completion is available once the live classes are over.
&nbsp;
Can I get invoices for reimbursement?&nbsp;
Yes, proper invoice with GSTIN is available as soon as you enroll for the course.
&nbsp;
I have more questions, how can I reach out to you?&nbsp;
Drop us a mail at support@educosys.com.
&nbsp;

HHLD - Hands-On High Level System Design Implementation

HLD - High Level System Design - Batch 3

📆 5 weeks course 
📚 Get lifetime access to recordings from all previous live batches 
🔄 Join all future live sessions - no extra cost 
🎯 Perfect for interviews - checkout testimonials
<h1>Week-wise Curriculum</h1>
Week 1: Principles, OOPs, and Design Patterns
<ul>
	<li>
	OOPs
	</li>
	<li>
	DRY &amp; KISS Principles
	</li>
	<li>
	SOLID Principles in Detail
	</li>
	<li>
	Class UML Diagram
	</li>
	<li>
	Factory Design Pattern
	</li>
	<li>
	Abstract Factory Pattern
	</li>
</ul>
Week 2: Creational &amp; Behavioral Design Patterns
<ul>
	<li>
	Singleton Design Pattern
	</li>
	<li>
	Builder Design Pattern
	</li>
	<li>
	Prototype Design Pattern
	</li>
	<li>
	Observer Design Pattern
	</li>
	<li>
	Command Design Pattern
	</li>
	<li>
	Chain of Responsibility Design Pattern
	</li>
	<li>
	Iterator Design Pattern
	</li>
</ul>
Week 3: Behavioral &amp; Structural Design Patterns
<ul>
	<li>
	Strategy Design Pattern
	</li>
	<li>
	Template Design Pattern
	</li>
	<li>
	Adapter Design Pattern
	</li>
	<li>
	Decorator Design Pattern
	</li>
	<li>
	Bridge Design Pattern
	</li>
	<li>
	Composite Design Pattern
	</li>
	<li>
	Proxy Design Pattern
	</li>
	<li>
	Facade Design Pattern
	</li>
</ul>
Week 4: System Design Examples
<ul>
	<li>
	System Requirement Analysis
	</li>
	<li>
	IRCTC Design
	</li>
	<li>
	Chess Design
	</li>
	<li>
	Elevator Design
	</li>
</ul>
Week 5: Revision and Preparation
<ul>
	<li>
	Recommendation System Design
	</li>
	<li>
	Meeting Scheduler Design
	</li>
	<li>
	LLD Interview Tips
	</li>
</ul>
<h1>FAQs</h1>
Is this a Live or Recorded Course? 
This course includes recordings from previous live batches. When you enroll, you get lifetime access to these recordings plus free entry into all upcoming live batches.
When will the next Live batch be launched? 
The dates for the next live batch are yet to be finalized, but there is no need to wait - you can start learning immediately with full access to previous batch recordings! We are here to support you at every step.
What if I am interested in learning Live only? 
We do not recommend delaying your learning - many of our learners have shared that watching the recordings feels just as effective as attending live sessions. That said, when you enroll, you also get access to all upcoming live batches, so you can join the next one as soon as it starts. In the meantime, you have lifetime access to previous batch recordings to start learning, revise, and build a strong foundation at your own pace.
What are the prerequisites for the course? 
Basic understanding of classes and objects in object-oriented programming.
Which programming languages will be used for coding? 
I will be coding in Java and C++. However, anyone familiar with any object-oriented programming language should be able to follow along. That&#39;s what skilled software developers do.
How can I revise the concepts? 
Notes and quizzes are available for every class.
Is this course for freshers or for experienced people? 
This course is for anyone aiming to master LLD. Years of experience do not matter.
How can I connect with fellow participants of the course? 
You will be part of a Discord community with different channels for networking, working together on projects, asking doubts, hackathons, sharing notes, and more.
Where can I ask you doubts? 
The Discord community will always be active!
Where are classes held? 
All classes are held live on Zoom. Once the class ends, the unedited original recording is available.
What language will the course be taught in? 
Everything will be taught in English.
What is the purpose of the hackathon? 
LLD requires a lot of practice. The hackathon promotes discussions and coding practice.
Can I participate in the hackathon? 
Hackathons for every batch have a deadline. If you miss the deadline, you can participate in the next one. The topic for the hackathon will be different for each batch.
What are the prizes in the hackathon? 
The winning group, which can consist of 1&ndash;4 participants, will receive a hamper worth Rs 10K.
How can I participate in the hackathon? 
Once you enroll in the course, all details will be available to you.
Is any other course a prerequisite for LLD? 
Nope, you can learn LLD, HLD, and DSA in any order as per your convenience and priority.
Do you have a mobile application? 
We have a mobile application for both Android and iOS.
Can I watch the class recordings or go through notes offline? 
You can download the recordings and notes on the mobile application and use them offline as per your convenience.
Do you provide a certificate for the course? 
The certificate of completion is available once the live classes are over.
Can I get invoices for reimbursement? 
Yes, a proper invoice with GSTIN is available as soon as you enroll in the course.
I have more questions, how can I reach out to you? 
Drop us a mail at <a href="mailto:support@educosys.com">support@educosys.com</a>

Week-wise Curriculum
Week 1
Recursion
<ul>
	<li>Basic Understanding</li>
	<li>Recursive Stack Visualization</li>
	<li>Head and Tail Recursions</li>
	<li>Backtracking</li>
	<li>Identifying Problems</li>
	<li>Time Complexity Analysis</li>
	<li>LIVE Problem Solving</li>
</ul>
&nbsp;
Week 2
Dynamic Programming
<ul>
	<li>Dynamic Programming Basics</li>
	<li>Recursion to DP (Top-Down Approach)</li>
	<li>Iterative Solutions (Bottom-Up Approach)</li>
	<li>Space Optimization Techniques</li>
	<li>Time Complexity Analysis</li>
	<li>LIVE Problem Solving</li>
</ul>
&nbsp;
Week 3
Advanced Dynamic Programming
<ul>
	<li>Gap Method</li>
	<li>Identifying Hard Problems</li>
	<li>Time Complexity Analysis</li>
	<li>LIVE Problem Solving</li>
</ul>
&nbsp;
Week 4
Trees
<ul>
	<li>Basics of Trees</li>
	<li>Traversals</li>
	<li>Recursive Problems on Trees</li>
	<li>Binary Search Trees</li>
	<li>Time Complexity Analysis</li>
	<li>LIVE Problem Solving</li>
</ul>
&nbsp;
Week 5
Graphs
<ul>
	<li>Basics of Graphs</li>
	<li>Traversals (BFS, DFS)</li>
	<li>Common Graph Algorithms</li>
	<li>Time Complexity Analysis</li>
	<li>LIVE Problem Solving</li>
</ul>
&nbsp;
Week 6
Advanced Graphs
<ul>
	<li>Identifying Hard Problems</li>
	<li>Time and Space Complexity Analysis</li>
	<li>LIVE Problem Solving</li>
	<li>Interview Focused Problems</li>
	<li>Interview Prep Tips</li>
</ul>
Common FAQs
Is this a Live or Recorded Course?
This comprises recordings of the Live Course that started on 12th September. If you enroll in this course, you will also get access to the recordings of the last live batch from November 2023. Additionally, you will have access to all upcoming live batches. You can re-watch, revise, or attend the next batch&#39;s live classes (as they happen) with lifetime validity.
&nbsp;
What are the prerequisites for the course?
Any one programming language and basics of Arrays, Lists and Maps.
&nbsp;
Is the course for absolute beginners?
Recursion, DP, Trees, and Graphs will be taught from basics to an advanced level. The fundamentals will be explained, followed by a lot of practice to help you approach and solve advanced-level questions but this is not for someone who is an absolute beginner in coding.
&nbsp;
Which programming languages will be used for coding?
I will be coding in Java and C++. However, anyone familiar with any programming language should be able to follow along.
&nbsp;
Will the code be provided?
Yes, in C++ and JAVA.
&nbsp;
Is this course for freshers or for experienced people?
This course is for anyone aiming to master DSA. Years of experience doesn&#39;t matter.
&nbsp;
How can I connect with fellow participants of the course?
You will be part of a discord community with different channels for networking, asking doubts and more.
&nbsp;
Where can I ask you doubts?
The discord community will always be active!
&nbsp;
Where are classes held?
All classes are held live on Zoom. Once the class ends, the unedited original recording is available.
&nbsp;
What language will the course be taught in?
Everything will be taught in English.
&nbsp;
What is the duration of classes?
Every class is 2 hours long, followed by additional doubt solving and extra support.
&nbsp;
Do you have a mobile application?
We have a mobile application for both Android and iOS.
&nbsp;
Can I watch the class recordings or go through notes offline?
You can download the recordings and notes on the mobile application and use them offline as per your convenience.
&nbsp;
Do you provide certificate for the course?
The certificate of completion is available once the live classes are over.
&nbsp;
Can I get invoices for reimbursement?
Yes, proper invoice with GSTIN is available as soon as you enroll for the course.
&nbsp;
I have more questions, how can I reach out to you?
Drop us a mail at support@educosys.com.

DSA - Batch 2

Is this a Live or Recorded Bootcamp?
This comprises recordings of the Live Bootcamp that started on 9th February. If you enroll for this, you will get access to all upcoming Live batches as well.
&nbsp;
Who is the instructor of this course?
Amit Kumar is the instructor, and Keerti is the co-curator. With over 10 years of industry experience in C++ across various domains, Amit has worked for notable companies such as Adobe, Upstox, and Oracle. He is also the co-curator for all other courses on Educosys. Keerti will be available during live classes and for doubt support.
&nbsp;
Will there be recordings of the classes?
You will have access to all the class recordings. You can re-watch, revise or attend next batch&#39;s live classes (as and when it happens) with lifetime validity.
&nbsp;
What are the prerequisites for the course?
Participants should be able to write basic C++ code, compile and run it.
&nbsp;
Will the code be provided?
Yes
&nbsp;
What is the difference between this course and the Advanced C++ with Networking course?
The advanced C++ with networking course has major emphasis on asynchronous programming and networking/socket programming. Please check the detailed curriculum of both courses for more information.
&nbsp;
Is this course for freshers or for experienced people?
This course is for anyone aiming to learn advanced C++. Years of experience doesn&#39;t matter.
&nbsp;
How can I run the code on my setup?
You should have C++ setup in your system. Our recommendation is to use Visual Studio on Windows or Visual Studio Code on Mac/Linux.
&nbsp;
How can I connect with fellow participants of the course?
You will be part of a discord community with different channels for networking, asking doubts and more.
&nbsp;
Where can I ask you doubts?
The discord community will always be active!
&nbsp;
Where are classes held?
All classes are held live on Zoom. Once the class ends, the unedited original recording is available.
&nbsp;
What language will the course be taught in?
Everything will be taught in English.
&nbsp;
What is the duration of classes?
Every class will be 2 hours long, from 9 PM to 11 PM, followed by additional doubt solving and extra support.
&nbsp;
Do you have a mobile application?
We have a mobile application for both Android and iOS.
&nbsp;
Can I watch the class recordings or go through notes offline?
You can download the recordings and notes on the mobile application and use them offline as per your convenience.
&nbsp;
Do you provide certificate for the course?
The certificate of completion is available once the live classes are over.
&nbsp;
Can I get invoices for reimbursement?
Yes, proper invoice with GSTIN is available as soon as you enroll for the course.
&nbsp;
I have more questions, how can I reach out to you?
Drop us a mail at support@educosys.com.

Is this a Live or Recorded Course?
This comprises recordings of the Live Course that started on 14th September. If you enroll for this, you will get access to all upcoming Live batches as well.
&nbsp;
Who is the instructor of this course?
Amit Kumar is the instructor, and Keerti is the co-curator. With over 10 years of industry experience in C++ across various domains, Amit has worked for notable companies such as Adobe, Upstox, and Oracle. He is also the co-curator for all other courses on Educosys. Keerti will be available during live classes and for doubt support.
&nbsp;
Will there be recordings of the classes?
You will have access to all the class recordings. You can re-watch, revise or attend next batch&#39;s live classes (as and when it happens) with lifetime validity.
&nbsp;
What are the prerequisites for the course?
Participants should be able to write basic C++ code, compile and run it.
&nbsp;
Will the code be provided?
Yes
&nbsp;
What is the difference between this course and the Advanced C++ course?
This course focuses on learning advanced C++ with a major emphasis on asynchronous programming and networking/socket programming. Please check the detailed curriculum of both courses for more information.
&nbsp;
Is this course for freshers or for experienced people?
This course is for anyone aiming to learn advanced C++. Years of experience doesn&#39;t matter.
&nbsp;
How can I run the code on my setup?
You should have C++ setup in your system. Our recommendation is to use Visual Studio on Windows or Visual Studio Code on Mac/Linux.
&nbsp;
How can I connect with fellow participants of the course?
You will be part of a discord community with different channels for networking, asking doubts and more.
&nbsp;
Where can I ask you doubts?
The discord community will always be active!
&nbsp;
Where are classes held?
All classes are held live on Zoom. Once the class ends, the unedited original recording is available.
&nbsp;
What language will the course be taught in?
Everything will be taught in English.
&nbsp;
What is the duration of classes?
Every class will be 2 hours long, from 2&nbsp;PM to 4&nbsp;PM, followed by additional doubt solving and extra support.
&nbsp;
Do you have a mobile application?
We have a mobile application for both Android and iOS.
&nbsp;
Can I watch the class recordings or go through notes offline?
You can download the recordings and notes on the mobile application and use them offline as per your convenience.
&nbsp;
Do you provide certificate for the course?
The certificate of completion is available once the live classes are over.
&nbsp;
Can I get invoices for reimbursement?
Yes, proper invoice with GSTIN is available as soon as you enroll for the course.
&nbsp;
I have more questions, how can I reach out to you?
Drop us a mail at support@educosys.com.

📆 5 weeks course 
📚 Get lifetime access to recordings from all previous live batches 
🔄 Join all future live sessions - no extra cost 
🎯 Perfect for interviews - checkout testimonials
<h1>Week-wise Curriculum</h1>
<h3>Week 1: Networking, Client and Server Protocols</h3>
<ul>
	<li>
	Client - Server Protocol
	</li>
	<li>
	Network Protocols
	</li>
	<li>
	Monolith &amp; Microservices
	</li>
	<li>
	Websockets
	</li>
	<li>
	SSEs
	</li>
	<li>
	gRPC
	</li>
</ul>
<h3>Week 2: Servers, Scaling, Caching</h3>
<ul>
	<li>
	Latency
	</li>
	<li>
	Throughput
	</li>
	<li>
	Consistency
	</li>
	<li>
	Availability
	</li>
	<li>
	CAP Theorem
	</li>
	<li>
	Synchronous, Asynchronous
	</li>
	<li>
	PubSub (Kafka, RabbitMQ)
	</li>
	<li>
	Proxies
	</li>
	<li>
	Load Balancers
	</li>
	<li>
	Caching
	</li>
	<li>
	Service Routing
	</li>
	<li>
	Peer to Peer
	</li>
</ul>
<h3>Week 3: Storage, Databases, Migration, Indexing</h3>
<ul>
	<li>
	Data Storage
	</li>
	<li>
	SQL, NoSQL
	</li>
	<li>
	Specialised Storage Paradigms
	</li>
	<li>
	DB Migration
	</li>
	<li>
	Indexing
	</li>
	<li>
	Replication
	</li>
	<li>
	Sharding
	</li>
	<li>
	Consistent Hashing
	</li>
	<li>
	Horizontal, Vertical Scaling
	</li>
</ul>
<h3>Week 4: System Design, APIs, Security, Logging &amp; Monitoring</h3>
<ul>
	<li>
	Capacity Estimation
	</li>
	<li>
	Polling &amp; Streaming
	</li>
	<li>
	Configuration
	</li>
	<li>
	Rate Limiting
	</li>
	<li>
	Paging &amp; Filtering
	</li>
	<li>
	Resiliency
	</li>
	<li>
	Failure &amp; Fault Tolerance
	</li>
	<li>
	Logging &amp; Monitoring
	</li>
	<li>
	API Design
	</li>
	<li>
	Security
	</li>
</ul>
<h3>Week 5: Revision and Preparation</h3>
<ul>
	<li>
	Chat App HLD (WhatsApp / Discord)
	</li>
	<li>
	YouTube HLD
	</li>
	<li>
	Uber HLD
	</li>
	<li>
	Stock Broker HLD (Zerodha / Upstox)
	</li>
	<li>
	Interview Prep Tips
	</li>
</ul>
&nbsp;
<h1>FAQs</h1>
Is this a Live or Recorded Course?
This course includes recordings from previous live batches. When you enroll, you get lifetime access to these recordings plus free entry into all upcoming live batches.
When will the next Live batch be launched?
The dates for the next live batch are yet to be finalized, but there is no need to wait - you can start learning immediately with full access to previous batch recordings! We are here to support you at every step.
What if I am interested in learning Live only?
We do not recommend delaying your learning - many of our learners have shared that watching the recordings feels just as effective as attending live sessions. That said, when you enroll, you also get access to all upcoming live batches, so you can join the next one as soon as it starts. In the meantime, you have lifetime access to previous batch recordings to start learning, revise, and build a strong foundation at your own pace.
What are the prerequisites for the course?
Internet connection and hunger for learning.
Are there any demos of different tech used in the industry?
There are around 10 demos of different tech used. The demos include Kafka, Redis, Neo4j, MongoDB, Cassandra, InfluxDB, MariaDB, and more.
How can I revise the concepts?
There are notes and quizzes for every class.
Is this course for freshers or for experienced people?
This course is for anyone who wants to master HLD. Years of experience does not matter.
Can I watch the classes only on the phone without a Laptop?
Yes, you can watch the classes on your phone without a laptop as HLD fundamentals primarily involve theory-based learning. However, it is recommended to take notes during the sessions to enhance your learning experience.
Will you provide notes?
Notes are available for revision purposes.
Where can I ask you doubts?
The Discord community will always be active!
What language will the course be taught in?
Everything will be taught in English.
Is any other course a prerequisite for HLD?
Nope, you can learn our courses in any order as per your convenience and priority.
Do you have a mobile application?
We have a mobile application for both Android and iOS.
Can I watch the class recordings or go through notes offline?
You can download the recordings and notes on the mobile application and use them offline as per your convenience.
Do you provide a certificate for the course?
The certificate of completion is available once the live classes are over.
Can I get invoices for reimbursement?
Yes, a proper invoice with GSTIN is available as soon as you enroll in the course.
I have more questions, how can I reach out to you?
Drop us a mail at <a href="mailto:support@educosys.com">support@educosys.com</a>.

Is this a Live or Recorded Course?
This comprises recordings of the Live Course that happened in November. If you enroll for this, you will get access to all upcoming Live batches as well.
&nbsp;
When will the next batch be launched?
The next DSA batch will launch after a while, and the details will be available on the site. You can access the recordings of the previous batch by enrolling here.
&nbsp;
What if I am interested in learning LIVE only?
If you sign up, you will have access to all the upcoming live batches as well, so you can still attend the next batch classes, and you will have access to the previous batch recordings as well. You can re-watch, revise, or attend the next batch&#39;s live classes (as and when it happens) with lifetime validity.
&nbsp;
What are the prerequisites for the course?
Any one programming language and basics of Arrays, Lists and Maps.
&nbsp;
Is the course for absolute beginners?
Recursion, DP, Trees, and Graphs will be taught from basics to an advanced level. The fundamentals will be explained, followed by a lot of practice to help you approach and solve advanced-level questions but this is not for someone who is an absolute beginner in coding.
&nbsp;
Which programming languages will be used for coding?
I will be coding in Java and C++. However, anyone familiar with any programming language should be able to follow along.
&nbsp;
Will the code be provided?
Yes, in C++ and JAVA.
&nbsp;
Is this course for freshers or for experienced people?
This course is for anyone aiming to master DSA. Years of experience doesn&#39;t matter.
&nbsp;
How can I connect with fellow participants of the course?
You will be part of a discord community with different channels for networking, asking doubts and more.
&nbsp;
Where can I ask you doubts?
The discord community will always be active!
&nbsp;
Where are classes held?
All classes are held live on Zoom. Once the class ends, the unedited original recording is available.
&nbsp;
What language will the course be taught in?
Everything will be taught in English.
&nbsp;
What is the duration of classes?
Every class is 2 hours long, followed by additional doubt solving and extra support.
&nbsp;
Do you have a mobile application?
We have a mobile application for both Android and iOS.
&nbsp;
Can I watch the class recordings or go through notes offline?
You can download the recordings and notes on the mobile application and use them offline as per your convenience.
&nbsp;
Do you provide certificate for the course?
The certificate of completion is available once the live classes are over.
&nbsp;
Can I get invoices for reimbursement?
Yes, proper invoice with GSTIN is available as soon as you enroll for the course.
&nbsp;
I have more questions, how can I reach out to you?
Drop us a mail at support@educosys.com.

📆 5 weeks course 
📚 Get lifetime access to recordings from all previous live batches 
🔄 Join all future live sessions - no extra cost 
🎯 Perfect for interviews - checkout testimonials
<h1>Week-wise Curriculum</h1>
Week 1: Principles, OOPs, and Design Patterns
<ul>
	<li>
	OOPs
	</li>
	<li>
	DRY &amp; KISS Principles
	</li>
	<li>
	SOLID Principles in Detail
	</li>
	<li>
	Class UML Diagram
	</li>
	<li>
	Factory Design Pattern
	</li>
	<li>
	Abstract Factory Pattern
	</li>
</ul>
Week 2: Creational &amp; Behavioral Design Patterns
<ul>
	<li>
	Singleton Design Pattern
	</li>
	<li>
	Builder Design Pattern
	</li>
	<li>
	Prototype Design Pattern
	</li>
	<li>
	Observer Design Pattern
	</li>
	<li>
	Command Design Pattern
	</li>
	<li>
	Chain of Responsibility Design Pattern
	</li>
	<li>
	Iterator Design Pattern
	</li>
</ul>
Week 3: Behavioral &amp; Structural Design Patterns
<ul>
	<li>
	Strategy Design Pattern
	</li>
	<li>
	Template Design Pattern
	</li>
	<li>
	Adapter Design Pattern
	</li>
	<li>
	Decorator Design Pattern
	</li>
	<li>
	Bridge Design Pattern
	</li>
	<li>
	Composite Design Pattern
	</li>
	<li>
	Proxy Design Pattern
	</li>
	<li>
	Facade Design Pattern
	</li>
</ul>
Week 4: System Design Examples
<ul>
	<li>
	System Requirement Analysis
	</li>
	<li>
	IRCTC Design
	</li>
	<li>
	Chess Design
	</li>
	<li>
	Elevator Design
	</li>
</ul>
Week 5: Revision and Preparation
<ul>
	<li>
	Recommendation System Design
	</li>
	<li>
	Meeting Scheduler Design
	</li>
	<li>
	LLD Interview Tips
	</li>
</ul>
<h1>FAQs</h1>
Is this a Live or Recorded Course? 
This course includes recordings from previous live batches. When you enroll, you get lifetime access to these recordings plus free entry into all upcoming live batches.
When will the next Live batch be launched? 
The dates for the next live batch are yet to be finalized, but there is no need to wait - you can start learning immediately with full access to previous batch recordings! We are here to support you at every step.
What if I am interested in learning Live only? 
We do not recommend delaying your learning - many of our learners have shared that watching the recordings feels just as effective as attending live sessions. That said, when you enroll, you also get access to all upcoming live batches, so you can join the next one as soon as it starts. In the meantime, you have lifetime access to previous batch recordings to start learning, revise, and build a strong foundation at your own pace.
What are the prerequisites for the course? 
Basic understanding of classes and objects in object-oriented programming.
Which programming languages will be used for coding? 
I will be coding in Java and C++. However, anyone familiar with any object-oriented programming language should be able to follow along. That&#39;s what skilled software developers do.
How can I revise the concepts? 
Notes and quizzes are available for every class.
Is this course for freshers or for experienced people? 
This course is for anyone aiming to master LLD. Years of experience do not matter.
How can I connect with fellow participants of the course? 
You will be part of a Discord community with different channels for networking, working together on projects, asking doubts, hackathons, sharing notes, and more.
Where can I ask you doubts? 
The Discord community will always be active!
Where are classes held? 
All classes are held live on Zoom. Once the class ends, the unedited original recording is available.
What language will the course be taught in? 
Everything will be taught in English.
What is the purpose of the hackathon? 
LLD requires a lot of practice. The hackathon promotes discussions and coding practice.
Can I participate in the hackathon? 
Hackathons for every batch have a deadline. If you miss the deadline, you can participate in the next one. The topic for the hackathon will be different for each batch.
What are the prizes in the hackathon? 
The winning group, which can consist of 1&ndash;4 participants, will receive a hamper worth Rs 10K.
How can I participate in the hackathon? 
Once you enroll in the course, all details will be available to you.
Is any other course a prerequisite for LLD? 
Nope, you can learn LLD, HLD, and DSA in any order as per your convenience and priority.
Do you have a mobile application? 
We have a mobile application for both Android and iOS.
Can I watch the class recordings or go through notes offline? 
You can download the recordings and notes on the mobile application and use them offline as per your convenience.
Do you provide a certificate for the course? 
The certificate of completion is available once the live classes are over.
Can I get invoices for reimbursement? 
Yes, a proper invoice with GSTIN is available as soon as you enroll in the course.
I have more questions, how can I reach out to you? 
Drop us a mail at <a href="mailto:support@educosys.com">support@educosys.com</a>
&nbsp;

All Courses

Description

₹33,999
₹59,996
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All Courses

Description

₹33,999 ₹59,99643.33% off

Quick Links

₹33,999
₹59,996
43.33% off