Systems Core Courses

Understand the Core of Employee Engagement

Unlock the drivers of employee engagement to strengthen team performance, interpret survey results confidently, and lead meaningful engagement efforts with timely follow-through.

• CodeSignal
• 1 hour
• On-Demand
• Free Certificate

Building Core Features with Modules and DTOs

Master building complete CRUD operations with modules, DTOs, and validation while creating a book management system with reading progress tracking features.

• CodeSignal
• 1 hour
• On-Demand
• Free Certificate

Svelte Basics: Getting Started and Core Concepts

Discover Svelte's modern approach to UI development through compile-time optimization, component building, reactivity with $state API, and intuitive control flow directives for more efficient web applications.

• CodeSignal
• 2 hours
• On-Demand
• Free Certificate

Text Representation Techniques for RAG Systems

Master practical text representation methods for RAG systems, from Bag-of-Words to semantic embeddings, with hands-on JavaScript implementation and performance comparison techniques.

• CodeSignal
• 2 hours
• On-Demand
• Free Certificate

Text Representation Techniques for RAG Systems with Java

Master text representation techniques for RAG systems using Java, from Bag-of-Words to embeddings, with hands-on implementation of semantic search and t-SNE visualization.

• CodeSignal
• 2 hours
• On-Demand
• Free Certificate

Text Representation Techniques for RAG Systems with Rust

Explore text representation methods for RAG systems using Rust, from Bag-of-Words to embeddings, with hands-on implementation and visualization techniques for semantic search.

• CodeSignal
• 2 hours
• On-Demand
• Free Certificate

Recommendation Systems Foundations using JS

Master foundational algorithms for building recommendation systems using JavaScript, from baseline predictors to Pearson correlation and weighted averages for accurate predictions.

• CodeSignal
• 3 hours
• On-Demand
• Free Certificate

Content-Based Recommendation Systems using JS

Master content-based recommendation systems using JavaScript, from basic item profiling to advanced factorization machines for personalized recommendations.

• CodeSignal
• 4 hours
• On-Demand
• Free Certificate

Recommendation Systems Quality Evaluation using JS

Master recommendation system evaluation metrics like Coverage, Serendipity, Novelty, and Diversity through hands-on JavaScript implementation and practical coding examples.

• CodeSignal
• 3 hours
• On-Demand
• Free Certificate

Microcredential

Foundations of Retrieval Augmented Generation Systems with Java

Master RAG systems in Java: combine retrieval with LLMs, use vector databases, apply embeddings for semantic search, and build complete end-to-end pipelines.

• CodeSignal
• 7 hours
• On-Demand
• Free Certificate
• 4 courses

Parallelizing GPT-5 Agentic Systems in Python

Master asynchronous programming to scale GPT-5 systems for high-throughput workloads with concurrent API calls, parallel tool processing, and multi-agent coordination.

• CodeSignal
• 2 hours
• On-Demand
• Free Certificate

Systems Development: Object Oriented Analysis and Design (HP2M48)

Master object-oriented analysis and design principles through UML modeling, design patterns, and quality software architecture for robust system development.

• OpenLearning
• On-Demand
• Free Online Course

Developing with Core GCP Services

Master Google Cloud Python development with hands-on experience using ADC, Cloud Storage, Firestore NoSQL operations, and Pub/Sub messaging for scalable applications.

• CodeSignal
• 1 hour
• On-Demand
• Free Certificate

Microcredential

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
• On-Demand
• Free Certificate
• 4 courses

Microcredential

Core Skills for Conflict Management

Master conflict resolution techniques to transform workplace tension into opportunities for trust and team growth through confident communication strategies.

• CodeSignal
• 4 hours
• On-Demand
• Free Certificate
• 4 courses