English Courses

Career Certificate

Front-End Engineering with React

620 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

630 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

Git Basics

1 rating

Master essential Git concepts and commands, from version control fundamentals to repository management and commit best practices, enabling effective code tracking and collaboration.

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

Accountability, Transparency, and Governance

1 rating

Explore accountability, transparency, and governance frameworks shaping AI's responsible deployment across finance, education, and social media sectors.

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

Career Certificate

Interacting with APIs in Python

116 ratings at CodeSignal

Master API integration in Python through HTTP requests, authentication methods, and automated testing to connect your applications to external services.

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

Career Certificate

Agentic & Secure AI Chatbots with NeMo Guardrails

1 rating

Master safe, agentic AI chatbots using NVIDIA NeMo Guardrails and Colang 2.0, progressing from foundational setup to advanced flow management and Python-extended conversational agents.

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

Collaborating with QA Engineers

1 rating

Master effective collaboration techniques with QA teams while building testable code, managing defects, and implementing quality-focused development practices to enhance software reliability.

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

Career Certificate

Supercommunicators - Have Conversations that Matter

152 ratings at CodeSignal

Master essential communication techniques to frame meaningful dialogues, uncover underlying motivations, manage emotional dynamics, and foster authentic connections in personal and professional settings.

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