English Courses

Getting Deep into Complex Algorithms for Interviews with Java

Master advanced algorithms and data structures in Java through hands-on practice with linked lists, binary trees, dynamic programming, graph algorithms, and recursion techniques for technical interview preparation.

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

Interview Prep - The Last Mile in Java

Master advanced Java programming concepts and algorithms essential for technical interviews, from hash tables and heaps to graph algorithms and bit manipulation techniques.

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

Microcredential

Clean Code in Python Through Hands-on Practice

199 ratings at CodeSignal

Master clean Python coding practices through hands-on examples covering naming conventions, class design, SOLID principles, and modular development for creating maintainable, efficient software.

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

AI Interviews: Software Development and Methodologies

Master software development principles through AI-powered mock interviews covering OOP, SOLID principles, Agile methodologies, functional programming, design patterns, CI/CD, and version control systems.

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

AI Interviews: System Architecture and Design

Master system architecture through AI-driven interview practice, covering cloud computing, microservices, containerization, scalability, and security principles for modern distributed systems.

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

AI Interviews: Network and Data Management

Master network protocols, database management, and encryption concepts through interactive AI interview practice sessions focused on real-world scenarios and technical implementations.

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

AI Interviews: System Performance and Security

Master system performance optimization and security through AI interview practice, covering load balancing, monitoring, database optimization, authentication, and vulnerability assessment techniques.

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

Clean Code Basics with Python

Master essential Python coding practices to write cleaner, more maintainable software through proper naming, effective functions, documentation, and code optimization.

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

Clean Coding with Classes

Master clean coding principles for Python classes, from single responsibility and encapsulation to constructors and inheritance patterns for more maintainable and efficient object-oriented code.

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

Clean Code with Multiple Classes

Master advanced Python development principles for writing maintainable code through modules, abstract classes, dependency management, and effective exception handling.

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

Applying Clean Code Principles in Python

Master essential clean code principles in Python through practical examples, implementing DRY, KISS, Law of Demeter, and SOLID principles for better software design.

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

Microcredential

Foundations of Retrieval Augmented Generation (RAG) Systems

195 ratings at CodeSignal

Master RAG systems fundamentals: vector databases, semantic retrieval with embeddings, and building complete pipelines to enhance text generation accuracy.

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

Introduction to AWS SDK for Python

Master AWS automation with Boto3 through hands-on exercises covering session management, client configurations, error handling, and logging. Build practical skills for managing AWS services efficiently using Python.

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

Mastering Amazon S3 with AWS SDK for Python

Master AWS S3 operations using Python and Boto3, from basic bucket management to advanced features like multipart uploads and versioning. Learn practical implementations for efficient cloud storage handling.

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

Introduction to DynamoDB with AWS SDK for Python

Master DynamoDB fundamentals and Python integration using Boto3, from environment setup to advanced operations like querying, scanning, and CRUD management in AWS cloud databases.

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