English Courses

Advanced RESTful Techniques in Spring Boot

Master advanced RESTful API techniques including validation, exception handling, content negotiation, and header customization to build robust and user-friendly services with Spring Boot.

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

Microcredential

Learning SQL Scripting with Leo Messi

173 ratings at CodeSignal

Master SQL fundamentals through interactive lessons using Lionel Messi's career statistics, covering basic queries to advanced functions, joins, and complex data analysis techniques.

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

Microcredential

Go Programming for Beginners

167 ratings at CodeSignal

Master Go programming fundamentals through hands-on practice with data structures, loops, debugging, string manipulation, functions, and object-oriented concepts while building real-world applications.

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

Microcredential

Fundamental Coding Interview Preparation with C#

167 ratings at CodeSignal

Master C# programming fundamentals, data structures, and algorithms while developing problem-solving skills needed for technical interviews at leading tech companies through hands-on practice and real-world applications.

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

Microcredential

Introduction to Concurrency with Java

162 ratings at CodeSignal

Master Java concurrency fundamentals and advanced concepts, from thread creation to lock-free programming. Build efficient multithreaded applications using synchronized collections and learn to prevent deadlocks and race conditions.

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

Microcredential

Advanced Coding Interview Preparation with C++

160 ratings at CodeSignal

Master advanced C++ programming through intensive practice with complex algorithms, data structures, and problem-solving techniques. Focus on hashmaps, multidimensional arrays, and efficient task decomposition.

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

Getting Started with HTML

Master HTML fundamentals to build structured web pages, from basic document setup to working with headings, paragraphs, lists, and attributes for creating your first functional webpage.

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

Using Images and Links in HTML

Master essential HTML techniques for embedding images, creating hyperlinks, implementing alt text, and setting up internal navigation to build engaging, accessible web content.

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

Navigable Webpages and Tables in HTML

Master HTML navigation and table creation techniques to build structured, user-friendly webpages with organized content, interactive menus, and properly formatted data displays.

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

Building a Comprehensive About Me HTML Webpage from Scratch

Master the fundamentals of HTML while building a dynamic "About Me" webpage with navigation menus, multimedia elements, and organized sections for showcasing your skills and projects.

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

Microcredential

Building a Chatbot with Flask and OpenAI

157 ratings at CodeSignal

Discover how to build AI-powered chatbots using Python, Flask, and OpenAI API. Create intelligent conversations, design responsive interfaces, and develop complete web applications.

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

Multidimensional Arrays and Their Traversal in C#

Master multidimensional array manipulation in C# through hands-on practice with traversal techniques, matrix transposition, and path finding in 2D arrays.

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

Revision of C# Dictionaries and Their Use in Practice

Master dictionary data structures in C# for efficient data access, counting, and aggregation, with hands-on practice in real-world implementation scenarios.

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

Mastering Task Decomposition in C#

Master essential techniques for breaking down complex coding problems into manageable sub-tasks, from analyzing logs to handling matrices and nested dictionaries in C#, with hands-on implementation practice.

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

Master Dictionaries, Two Pointers, and More Algorithms in C#

Master essential C# programming techniques using dictionaries, HashSets, and two-pointer algorithms to optimize data structures and enhance problem-solving capabilities.

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