CodeSignal Courses

Career Certificate

Building GenAI Applications with AWS

Unlock the complete GenAI journey on AWS through Bedrock models, Knowledge Bases for RAG, action-capable agents with Strands, and cloud deployment with AgentCore.

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

Career Certificate

Introduction to Backend Development with Next.js

Master Next.js backend development through API routes, CRUD operations, validation, and middleware while building a production-ready Task Manager API.

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

Career Certificate

MCP Servers Made Easy with TypeScript & OpenAI Agents

Master MCP protocol to build TypeScript servers that enable AI agents to use tools, access data, and execute real-world actions with OpenAI integration.

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

Career Certificate

Building an Image Generator with Java and Gemini

Discover how to build AI-powered image generation applications using Java and Gemini's Imagen API, from backend services to complete web applications.

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

Career Certificate

Mastering Cloud Engineering with GCP and Python

Master GCP automation using Python SDKs for Cloud Storage, Firestore, Pub/Sub, and secrets management through hands-on programming techniques.

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

Career Certificate

Interviewer Training for Sales Hiring

Master structured behavioral interviewing techniques to assess sales talent, minimize hiring bias, and make evidence-based decisions for building high-performing teams.

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

Career Certificate

Mastering Gradient Boosting with XGBoost & LightGBM

Master gradient boosting techniques using XGBoost, LightGBM, and CatBoost to build, tune, and interpret powerful models for real-world classification problems with hands-on practice.

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

Career Certificate

Retrieval Augmented Generation Basics with JS

Master RAG fundamentals in JavaScript through vector databases, semantic embeddings, and building complete end-to-end retrieval augmented generation pipelines.

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

Career Certificate

OpenAI Agents SDK Mastery Journey in JavaScript

Master agentic AI by building context-aware, tool-empowered agents with OpenAI SDK in JavaScript, from basic setup to multi-agent workflows and security implementation.

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

Career Certificate

Mastering Design Patterns in TypeScript

Master essential design patterns in TypeScript through OOP concepts, creational, structural, and behavioral patterns to build robust, maintainable code and develop a smart home system.

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

Career Certificate

Recommendation Systems Theory and Coding in JS

Master collaborative filtering, content-based methods, and hybrid techniques to build recommendation systems from scratch using JavaScript through hands-on projects.

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

Career Certificate

Building an AI Cooking Helper with FastAPI

Discover how to build a complete AI-powered cooking assistant using FastAPI, OpenAI integration, database modeling, and text-to-speech for smart recipe generation and management.

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

Career Certificate

Building a Content Generator Site with Django and Claude

Discover how to build an AI-powered content generator using Django and Claude API, from prompt crafting to creating a polished web application interface.

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

Career Certificate

Securing Your Rest API Application With Python

Master Python REST API security through rate limiting, throttling, CORS configuration, and secure token management to protect against abuse and enhance application safety.

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

Career Certificate

Mastering Redis with C# & StackExchange.Redis

Master Redis integration with C# using StackExchange.Redis, from basic data structures to advanced features like transactions, streams, and pub/sub for high-performance systems.

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