CodeSignal Courses

Enhancing Agents with Custom Tools and RAG

Build a complete RAG knowledge retrieval system with ChromaDB and custom tools that agents can call.

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

Orchestrating Multi-Agent Systems

Build and orchestrate collaborating AI agents through a Todo API, implementing agent actions, CRUD operations, a manager agent, and a conversation loop.

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

Foundations of Everyday Influence

Build practical influence through ethical persuasion, clear requests, active listening, behavior cues, and friction-reducing communication.

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

Persuade by Building Trust

Build trust as the foundation for effective persuasion through reliability, credibility, personal connection, and trust repair.

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

Influence Through a Shared Vision

Learn to build shared vision by connecting ideas to purpose, co-creating solutions, making vision tangible, and sustaining alignment through change.

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

Practice Compromise in Persuasion

Practice flexible persuasion by finding win-win trade-offs, pivoting when an approach fails, and responding to rejection while preserving professional relationships.

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

Introduction to Prompt Engineering

Learn to structure prompts, add task-specific constraints, and use examples to guide LLM responses.

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

Brainstorming Test Questions with LLMs

Educators use iterative prompting with LLMs to generate quiz questions, refine distractors, and create engaging assessments across subjects.

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

Utilizing Advanced Techniques

Explore advanced prompt engineering for educational LLM use through system prompts, response editing, and context fetching.

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

NestJS Fundamentals: Your First API

Learn to build a first NestJS API with controllers, services, and a mock in-memory database.

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

Building Core Features with Modules and DTOs

Build a reading-tracker backend with modular CRUD endpoints, DTO validation, dynamic routes, and controller-service logic for books and users.

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

Secure Your API with Authentication and Authorization

Secure a NestJS Reading Tracker API with hashed registration, JWT login, protected routes, and role-based authorization for admin actions.

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

Enhancing Your API with Guards and Interceptors

Harden a Reading Tracker API with ownership controls, centralized logging, standardized responses, and scalable JWT and admin decorators.

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

Managing User Friendships and Shared Progress

Build a reading tracker API’s social features by implementing friendships, friend requests, and secure sharing of friends’ reading progress.

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

Advanced Filtering, Aggregation, and Sorting

Build a frontend-ready reading tracker API with book search, filtering, sorting, shelves, and user reading statistics.

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