English Courses

Getting Deeper into React

1 rating

Master advanced React concepts through hands-on practice with component lifecycles, state management, hooks, user inputs, and form validation for building dynamic interfaces.

• CodeSignal
• 4 hours
• Self-Paced
• Free Certificate

Client-side Web Development with React.js

1 rating

Master React.js fundamentals to build dynamic user interfaces, handle state management, implement routing, work with forms, and integrate API data fetching for modern web applications.

• CodeSignal
• 4 hours
• Self-Paced
• Free Certificate

Advanced Query Techniques and Conditional Logic in SQL

1 rating

Master advanced SQL querying with subqueries, logical operators, and conditional statements to effectively filter, analyze, and categorize data through hands-on practice with real-world music database examples.

• CodeSignal
• 1 hour
• Self-Paced
• Free Certificate

Feature Engineering for Text Classification

1 rating

Master text classification techniques through hands-on practice with tokenization, Bag-of-Words, TF-IDF, sparse matrices, and dimensionality reduction for effective natural language processing applications.

• CodeSignal
• 5 hours
• Self-Paced
• Free Certificate

Functional Programming Techniques in C++

1 rating

Master functional programming concepts in C++ through hands-on practice with functors, currying, and partial application to create modular and maintainable code.

• CodeSignal
• 3 hours
• Self-Paced
• Free Certificate

Career Certificate

Intro to Data Analysis with Python

609 ratings at CodeSignal

Master Python-based data analysis fundamentals through hands-on practice with libraries like NumPy and Pandas, from cleaning and preprocessing to statistical analysis and creating compelling visualizations.

• CodeSignal
• 9 hours
• Self-Paced
• Free Certificate
• 6 courses

Career Certificate

Front-End Engineering with React

623 ratings at CodeSignal

Master React development from JavaScript fundamentals through advanced concepts like component lifecycles, API integration, and routing to build dynamic, interactive web applications.

• CodeSignal
• 18 hours
• Self-Paced
• Free Certificate
• 5 courses

Career Certificate

Advanced Interview Prep for Senior Engineers in Python

632 ratings at CodeSignal

Master advanced Python data structures, design patterns, and refactoring techniques while building interview-ready skills for technical assessments and real-world software development challenges.

• CodeSignal
• 21 hours
• Self-Paced
• Free Certificate
• 5 courses

Career Certificate

Introduction to Natural Language Processing

1 rating

Dive into foundational NLP concepts, from text preprocessing to machine learning models, while mastering data exploration, vectorization techniques, and text classification using Python and real-world datasets.

• CodeSignal
• 10 hours
• Self-Paced
• Free Certificate
• 4 courses

Career Certificate

Introduction to Django for Back-End Development

1 rating

Master Django back-end development through hands-on projects, from basic server setup to building a real-time To-Do app with authentication, data management, and CRUD operations using SQLite3.

• CodeSignal
• 11 hours
• Self-Paced
• Free Certificate
• 4 courses

Career Certificate

Introduction to MongoDB for Data Analysts

1 rating

Master MongoDB's flexible schema and powerful querying capabilities to efficiently manage, analyze, and manipulate data in this leading NoSQL database system.

• CodeSignal
• 7 hours
• Self-Paced
• Free Certificate
• 4 courses

Career Certificate

AI Interviews - Software Design, Architecture, and More

1 rating

Master technical interview skills through AI-powered roleplays covering software design, system architecture, data management, and security, with personalized feedback to boost your confidence and expertise.

• CodeSignal
• 7 hours
• Self-Paced
• Free Certificate
• 4 courses

Introduction to Flask Basics

1 rating

Master Flask fundamentals through hands-on practice with routing, GET requests, JSON responses, dynamic routes, and query parameters while building real-world web applications.

• CodeSignal
• 3 hours
• Self-Paced
• Free Certificate

Introduction to Calculus for Machine Learning

1 rating

Master essential calculus concepts - functions, limits, derivatives, and integrals - with practical applications in machine learning optimization and real-world problem-solving.

• CodeSignal
• 3 hours
• Self-Paced
• Free Certificate

Applying Advanced Data Structures on Practice

1 rating

Master advanced C# data structures through hands-on practice with lists, dictionaries, stacks, and queues while building real-world applications like library systems and financial trackers.

• CodeSignal
• 3 hours
• Self-Paced
• Free Certificate