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Web Development
10+ Lessons
HTML, CSS, JavaScript, React, and Next.js — build real websites from scratch.
Python
260+ Lessons
From basics to advanced — data structures, OOP, decorators, async, and libraries.
Data Science
87 Lessons
NumPy, Pandas, matplotlib, scikit-learn, and deep learning fundamentals.
DS Premium
50 Lessons
Feature engineering, MLOps, transformers, causal inference, and real-world projects.
Data Engineering
55+ Lessons
Pipelines, Spark, Kafka, Airflow, Snowflake, dbt, and cloud platforms.
SQL
70+ Lessons
SELECT to advanced window functions, CTEs, indexing, and query optimization.
Machine Learning
85 Lessons
Regression, classification, clustering, neural networks, and MLOps.
Deep Learning
55 Lessons
Backpropagation, CNNs, RNNs, attention, transformers, GANs, and diffusion models.
LLM
155 Lessons
Transformer architecture, tokenization, fine-tuning, LoRA, RAG, RLHF, agents, and production systems.
Generative AI
100 Lessons
Transformers, diffusion models, RAG, agents, prompt engineering, fine-tuning, and production GenAI systems.
AI Agents
50 Lessons
Autonomous AI agents with tool use, planning, memory, multi-agent systems, and real-world deployment.
Quantum Computing
50 Lessons
Qubits, quantum gates, circuits, Shor's algorithm, Grover's search, error correction, and quantum hardware.
Healthcare AI
50 Lessons
Medical imaging, clinical decision support, drug discovery, genomics, and AI-powered patient care.
Fintech
50 Lessons
Algorithmic trading, payment systems, digital banking, blockchain finance, and risk modeling.
Drone AI
50 Lessons
Autonomous flight, computer vision, path planning, swarm intelligence, and AI-powered drone applications.
Computer Vision
50 Lessons
CNNs, object detection, segmentation, GANs, NeRF, depth estimation, pose estimation, and 3D vision.
System Design
120 Lessons
Scalability, distributed systems, databases, caching, load balancing, and real-world system design problems.
Statistics
400+ Lessons
Probability, distributions, hypothesis testing, Bayesian methods, and regression.
Engineering Math
100 Lessons
Linear algebra, calculus, probability, statistics, optimization, and advanced topics.
R Programming
75+ Lessons
Data manipulation, ggplot2, dplyr, tidyr, statistical modeling, and R Markdown.
PySpark
40+ Lessons
SparkSession, DataFrames, Spark SQL, Structured Streaming, and production patterns.
Apache Kafka
5+ Lessons
Distributed event streaming, topics, producers, consumers, Streams, and Connect.
Apache Airflow
30 Lessons
Workflow orchestration, DAGs, operators, sensors, executors, and scheduling.
dbt
30 Lessons
Data transformation, models, tests, Jinja templating, materializations, and docs.
Snowflake
50 Lessons
Cloud data platform, architecture, time travel, streams, tasks, and Snowpark.
React JS
5 Lessons
Components, hooks, router, state management, and performance optimization.
Next.js
4 Lessons
App Router, server components, data fetching, API routes, and deployment.
Node.js
4 Lessons
Runtime environment, Express.js, databases, authentication, and API development.
Cybersecurity
60 Lessons
Comprehensive cybersecurity from fundamentals to advanced. Network security, cryptography, forensics, and incident response.
Blockchain
100 Lessons
Complete blockchain A-Z: cryptocurrency, Ethereum, Solana, Solidity, smart contracts, DeFi, NFTs, payment systems, and Web3 development.
NLP
75 Lessons
Natural Language Processing — tokenization, embeddings, transformers, BERT, GPT, sentiment analysis, and production NLP systems.
AIOps & LLMOps
50 Lessons
AIOps and LLMOps — model monitoring, LLMOps pipelines, RAGops, vector databases, AI infrastructure, and MLOps.
ML Interview Questions
20 Lessons
Top-tier ML interview questions from Google, NVIDIA, Amazon, Meta, OpenAI, and Anthropic with detailed answers.
DL Interview Questions
20 Lessons
Premium DL interview questions from OpenAI, Google, NVIDIA, Meta, Anthropic, and DeepMind with detailed answers.
DS Interview Questions
20 Lessons
Premium DS interview questions from Google, Amazon, Meta, Netflix, Uber, and Apple with detailed answers.
Data Scientist Role
20 Lessons
Role-based DS interview questions from Google, Meta, Amazon, Netflix. Metrics design, A/B testing, product sense.
SQL Interview Questions
20 Lessons
Premium SQL interview questions from Google, Amazon, Meta, Netflix, Uber. Window functions, CTEs, optimization, indexing.
PySpark Interview Questions
20 Lessons
Premium PySpark interview questions from Google, Amazon, Meta, Netflix. SparkSession, DataFrames, optimization, streaming.
Airflow Interview Questions
20 Lessons
Premium Apache Airflow interview questions from Netflix, Amazon, Google, Uber. DAGs, operators, scheduling, Kubernetes.
Snowflake Interview Questions
20 Lessons
Premium Snowflake interview questions from Amazon, Google, Netflix, Uber. Architecture, warehouses, time travel, performance.
AWS Data Engineering
65 Lessons
Master AWS Data Engineering — S3, Glue, Redshift, EMR, Kinesis, Lambda, Step Functions. Service overview, architecture diagrams, pipelines, 200+ interview Q&A.
GCP Data Engineering
65 Lessons
Master GCP Data Engineering — BigQuery, Dataflow, Dataproc, Pub/Sub, Cloud Composer. Service overview, architecture diagrams, pipelines, 200+ interview Q&A.
Azure Data Engineering
65 Lessons
Master Azure Data Engineering — Synapse, ADF, Databricks, Event Hubs, Stream Analytics. Service overview, architecture diagrams, pipelines, 200+ interview Q&A.
DE Interview Q&A
40 Lessons
40 deep-dive Data Engineering interview questions — data modeling, Kafka, Spark, Airflow, streaming, data lakes, architecture. Asked at Google, Amazon, Meta.
DE Cloud Projects
10 Lessons
10 production-grade DE projects — real-time pipelines, data lakehouses, CDC, feature stores, data mesh. Complete code, Terraform, cost analysis.
AI/ML Projects
10 Lessons
10 production AI/ML projects — RAG pipelines, LLM fine-tuning, recommendation systems, computer vision, MLOps. PyTorch, Docker, Kubernetes, MLflow.
ML System Design
10 Lessons
10 ML system design interview questions — recommendation systems, fraud detection, search ranking, ad CTR, content moderation. Full architecture & scale analysis.
Cloud Architecture
20 Lessons
20 cloud design patterns — serverless, microservices, event-driven, CQRS, Kubernetes, API gateway, service mesh, disaster recovery.
Kafka Interview Q&A
15 Lessons
15 deep-dive Kafka interview questions — partitioning, replication, exactly-once, Streams, Connect, Schema Registry. Asked at LinkedIn, Uber, Netflix.
Spark Interview Q&A
15 Lessons
15 deep-dive Spark interview questions — architecture, memory, shuffle, streaming, Delta Lake, ML pipelines. Asked at Databricks, Netflix, Uber.
Python Interview Q&A
20 Lessons
20 deep-dive Python interview questions — data structures, OOP, generators, decorators, async, design patterns. Asked at Google, Meta, Amazon.
Advanced SQL Q&A
20 Lessons
20 advanced SQL lessons — recursive CTEs, PIVOT, JSON processing, gap-island, indexing strategies, query optimization. Asked at Google, Amazon, Meta.
MLOps Pipeline Q&A
15 Lessons
15 deep-dive MLOps questions — experiment tracking, model registry, CI/CD for ML, monitoring, A/B testing, model serving. Asked at Google, Meta, Netflix.
Java
30 Lessons
Syntax, OOP, collections, exceptions, lambdas, multithreading, JDBC, and project roadmaps.
C Programming
30 Lessons
Syntax, pointers, arrays, structures, dynamic memory, preprocessor, and algorithms.
C++
30 Lessons
STL, smart pointers, RAII, templates, OOP, exceptions, lambdas, and multithreading.
C#
30 Lessons
LINQ, async/await, delegates, generics, Web API, EF Core, and xUnit testing.
Ruby
30 Lessons
Blocks, procs, modules, metaprogramming, testing, gems, Sinatra, and Rails intro.
Data Structures
30 Lessons
Arrays, lists, stacks, queues, trees, graphs, sorting, searching, Big O, and interview prep.
Electric Vehicle
30 Lessons
Batteries, powertrain, charging standards, BMS, regenerative braking, ADAS, V2G, and careers.
Economics
30 Lessons
Supply and demand, elasticity, market structures, macro policy, trade, growth, and real-world applications.
Finance
30 Lessons
Stock markets, fundamental and technical analysis, portfolio theory, derivatives, and personal finance.
Mechanical Engineering
30 Lessons
Mechanics, strength of materials, thermodynamics, fluid power, manufacturing, machine design, and failure analysis.
Data Analytics
50 Lessons
Excel, SQL, Python, pandas, Tableau, Power BI, Looker, Qlik, Snowflake, BigQuery, dbt, Airflow, Kafka, PySpark, statistics, and A/B testing.
Electrical Engineering
30 Lessons
Circuits, AC systems, machines, power systems, protection, renewables, electronics, and embedded systems.
Power Electronics
30 Lessons
Rectifiers, DC-DC converters, inverters, PWM, gate drives, SiC GaN
Electrical Machines
30 Lessons
DC motors, transformers, induction and synchronous machines, testing
Power Systems
30 Lessons
Load flow, faults, stability, substations, HVDC, distribution
Control Systems
30 Lessons
Modeling, stability, root locus, Bode, PID, state space, digital control
Renewable Energy Systems
30 Lessons
Solar PV, wind, hydro, hydrogen, hybrids, storage, economics
Battery Management Systems
30 Lessons
Cell chemistry, SoC SoH, balancing, charging, thermal, safety
Smart Grid & Energy Storage
30 Lessons
AMI, PMU, storage, demand response, V2G, cybersecurity, grid AI
Industrial Automation & PLC
30 Lessons
PLC, ladder logic, SCADA, HMI, industrial networks, safety, IIoT
Embedded Systems
30 Lessons
Architectures, embedded C, RTOS, protocols, low power, security, safety
Power System Protection
30 Lessons
Relays, CT VT, coordination, differential, distance, IEC 61850
High Voltage Engineering
30 Lessons
Dielectrics, corona, impulse testing, partial discharge, GIS, HVDC
Electrical Measurements & Instrumentation
30 Lessons
Errors, bridges, meters, transducers, DAQ, calibration
Microcontrollers & ARM
30 Lessons
Cortex-M, registers, GPIO, interrupts, DMA, serial, RTOS, TrustZone
CAD & Mechanical Design
30 Lessons
AutoCAD, SolidWorks, GD&T, drawings, machine elements, tolerance stack-up, DFM
Thermodynamics & Heat Transfer
30 Lessons
Laws, power and refrigeration cycles, conduction, convection, radiation, heat exchangers
Fluid Mechanics & CFD
30 Lessons
Fluid statics, Bernoulli, pipe flow, pumps, boundary layers, meshing, RANS turbulence
Manufacturing & Additive Manufacturing
30 Lessons
Casting, welding, machining, CNC, metrology, FDM, SLA, SLS, metal AM, Industry 4.0
Robotics & Mechatronics
30 Lessons
Kinematics, actuators, sensors, PLC, ROS, path planning, machine vision, robot cells
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