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DeepLogicby Aman
Now publishing: Low-Level Design

Learn Deeply. Think Logically. Build Confidently.

Structured videos, detailed articles, downloadable notes and interview-focused practice—all connected through clear learning roadmaps.

Explore SubjectsStart Low-Level Design

Why DeepLogic

Built for how technical interviews are actually won

A focused set of learning benefits, designed around long study sessions and real interview outcomes.

Structured Roadmaps

Every subject follows a clear, ordered path so you always know what to learn next.

Video and Article Learning

Learn the way that suits you — watch a walkthrough or read a detailed written explanation.

Interview-Focused Content

Every topic is framed around what interviewers actually ask, not just theory.

Revision Notes

Concise, scannable notes for fast revision in the days before an interview.

Real Code Examples

Working, idiomatic code for every concept — not pseudocode or fragments.

Progressive Course Publishing

New lessons ship continuously. Subjects are built openly, module by module.

Subjects

Start with the fundamentals interviewers test most

Low-Level Design is live today. The rest of the catalogue is being built in the open.

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In Progress

Interview Design

Low-Level Design
Turn interview requirements into clean, maintainable Java designs using OOP, SOLID and proven design patterns.
Beginner to AdvancedJava

3 lessons published · 22 planned

Articles
Articles: 3 published
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Coming Soon

Core CS

Data Structures and Algorithms
Build a rigorous problem-solving foundation across arrays, trees, graphs and dynamic programming.
Beginner to Advanced

Full lessons publish progressively, following Low-Level Design.

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Coming Soon

Development

Java
Core Java language, collections and concurrency for interviews and production systems.
Beginner to AdvancedJava

Full lessons publish progressively, following Low-Level Design.

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Coming Soon

Core CS

Operating Systems
Processes, memory, scheduling and concurrency explained for engineering interviews.
Intermediate

Full lessons publish progressively, following Low-Level Design.

View Details
Coming Soon

Core CS

DBMS
Relational database internals, normalization, transactions and indexing.
Intermediate

Full lessons publish progressively, following Low-Level Design.

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Coming Soon

Interview Design

System Design
Design scalable, reliable distributed systems using proven architectural building blocks.
Advanced

Full lessons publish progressively, following Low-Level Design.

View Details

How it works

One learning model, applied consistently

Every lesson on DeepLogic follows the same six-step loop, so you always know what comes next.

  1. Step 1

    Learn

    Understand the concept through a clear, structured explanation.

  2. Step 2

    Practise

    Apply it to real interview-style problems, not just theory.

  3. Step 3

    Verify

    Check your solution against a clean, working reference approach.

  4. Step 4

    Watch

    Reinforce tricky parts with a focused video walkthrough.

  5. Step 5

    Read

    Go deeper with a detailed written article you can revisit anytime.

  6. Step 6

    Revise

    Return to concise notes before interviews to refresh quickly.

Latest lessons

Fresh from Low-Level Design

A first look at the written lessons available today in Module 1: LLD Foundations.

LLD Foundations
Introduction to Low-Level Design
What low-level design actually means, where it fits in the interview process, and how it differs from writing everyday application code.
Read preview
LLD Foundations
LLD vs High-Level Design
A clear breakdown of how low-level design questions differ from high-level system design questions, and why interviewers test both.
Read preview
LLD Foundations
Requirement Analysis for LLD Interviews
A repeatable approach for turning an open-ended LLD prompt into a scoped, testable set of functional requirements before you design a single class.
Read preview

Roadmap

More subjects are on the way

These subjects are planned next and will follow the same publishing model as Low-Level Design.

Coming Soon

Core CS

Computer Networks
The networking fundamentals behind every distributed system interview question.
Intermediate

Full lessons publish progressively, following Low-Level Design.

View Details
Coming Soon

Development

Spring Boot
Build production-grade Java backends with Spring Boot, from REST APIs to testing.
IntermediateJava

Full lessons publish progressively, following Low-Level Design.

View Details
Coming Soon

Development

SQL
Write efficient, correct SQL for interviews and everyday backend work.
Beginner

Full lessons publish progressively, following Low-Level Design.

View Details
Coming Soon

Development

Generative AI
Foundational concepts behind LLMs and how to build applications on top of them.
Intermediate

Full lessons publish progressively, following Low-Level Design.

View Details

Start with Low-Level Design

Learn how interview requirements are transformed into clean, maintainable Java designs — from requirement analysis through SOLID principles, UML modelling and the design patterns interviewers ask for most.

Explore LLDView All Subjects

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