English Courses

Interview Practice - Advanced Problem Solving

Master advanced programming challenges and problem-solving techniques through hands-on practice with complex system design scenarios, focusing on feature integration, backward compatibility, and real-world applications.

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

Intro to SQL with Taylor Swift

Learn SQL fundamentals through Taylor Swift's discography - master database queries, filtering, sorting, and logical operators while exploring her albums, songs, and musical journey.

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

Learning SQL Joins with Taylor Swift

Master SQL joins through Taylor Swift's discography - learn to combine and analyze data across tables while exploring relationships between songs, albums, and popularity metrics using real music industry examples.

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

Mastering SQL Functions and Clauses with Taylor Swift

Master SQL functions and data analysis through Taylor Swift's discography. Learn COUNT, DISTINCT, SUM, GROUP BY, and aggregation techniques to transform raw data into meaningful insights.

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

Advanced Query Techniques and Conditional Logic in SQL

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

Hashing, Dictionaries, and Sets in JS

Master JavaScript data structures through hands-on practice with Sets, Maps, and Hashing. Build efficient solutions for inventory management, data analysis, and algorithmic challenges.

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

Sorting and Searching Algorithms in JS

Master sorting and searching algorithms in JavaScript through hands-on practice with recursion, binary search, quicksort, and merge sort, focusing on real-world applications and optimization techniques.

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

Fundamental Data Structures - Linked Lists in JavaScript

Dive into linked list data structures through hands-on JavaScript implementations, mastering essential operations and solving real-world coding challenges for technical interviews.

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

Fundamental Data Structures - Stacks and Queues in JS

Master stacks and queues implementation in JavaScript through hands-on practice with real-world scenarios, algorithmic problems, and interview challenges. Learn efficient data processing and problem-solving techniques.

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

Revisiting Java Basics

Master fundamental Java programming through hands-on exercises covering collections, loops, conditionals, and string manipulation while building practical applications like data processing and text encryption.

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

Applying Simple Looping in Practice with Java

Master practical Java looping techniques through hands-on exercises covering array traversal, string manipulation, digit processing, and pattern identification with real-world applications.

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

Practicing String Operations and Type Conversions in Java

Master string operations and type conversions in Java through hands-on practice with time parsing, word manipulation, substring operations, and date calculations.

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

Mastering Implementation of Advanced Loops in Java

Master advanced Java loops through hands-on practice with nested iterations, string manipulations, game mechanics, and large number operations using practical coding exercises.

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

Java Coding Practice for Technical Interviews

Master Java coding challenges and problem-solving techniques through hands-on practice with arrays, strings, and algorithms, preparing you effectively for technical interviews and assessments.

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

Generative AI in 2025 - Overview and Practice

Explore the fundamentals, applications, and future trajectory of generative AI while gaining practical skills to effectively leverage this transformative technology.

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