Systems Core Courses

Text Representation Techniques for RAG Systems

Compare Bag-of-Words and semantic embeddings for RAG retrieval, using JavaScript to build similarity search and visualize sentence embeddings with t-SNE.

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

Introduction to Embedded Systems & Reverse Engineering

Learn how embedded systems combine hardware and software, dissect their components to map attack surfaces, and apply sniffing, controlled interference, timing attacks, and fault injection.

• TrainSec
• Self-Paced
• Paid Course

Parallelizing Claude Agentic Systems in Python

Learn to parallelize Claude agent conversations and tool calls in Python with asynchronous execution for high-throughput workloads.

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

Text Representation Techniques for RAG Systems with Java

Compare Bag-of-Words and sentence embeddings in Java for document retrieval and semantic search in RAG systems.

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

Text Representation Techniques for RAG Systems with Rust

Compare Bag-of-Words and sentence embeddings for document retrieval and semantic search in RAG systems, including t-SNE visualization.

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

Career Certificate

Recommendation Systems Theory and Coding

Build recommendation systems from scratch using collaborative filtering, content-based and hybrid methods, with hands-on projects and quality evaluation.

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

Career Certificate

Foundations of Retrieval Augmented Generation Systems with Java

Build end-to-end retrieval-augmented generation pipelines in Java using embeddings, semantic search, vector databases, and large language models.

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

Understand the Core of Employee Engagement

Learn how people managers can interpret engagement surveys and follow through on employee feedback to strengthen team performance.

• 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

Parallelizing Claude Agentic Systems in TypeScript

Parallelize Claude agents and tool calls in TypeScript to reduce latency in multi-step workflows.

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

Queuing Theory: from Markov Chains to Multi-Server Systems

13 ratings

Learn key mathematical tools necessary to anticipate the performance levels of queueing systems and understand the behavior of other systems that evolve randomly over time.

• edX
• 5 weeks, 3-4 hours a week
• Self-Paced
• Free Certificate

Understanding and Strengthening Health Systems

358 ratings at Coursera

Examine WHO's six health system building blocks: diagnose health organizations, strengthen human resource capacity, and shape policy and advocacy in low- and middle-income countries.

• Coursera
• 4 weeks, 4 hours a week
• Self-Paced
• Paid Course

Linear Algebra: Linear Systems and Matrix Equations

181 ratings at Coursera

Solve and classify linear systems with the row reduction algorithm, then connect matrix equations, vectors, linear independence and linear transformations while reading and writing mathematical proofs.

• Coursera
• 4 weeks, 3 hours a week
• Self-Paced
• Paid Course

Program Design & Evaluation for Health Systems Strengthening

43 ratings at Coursera

Design and evaluate health systems strengthening programs: apply systems frameworks and logic models, choose study designs and data sources, and interpret findings for sustainability and scale.

• Coursera
• 3 weeks, 3 hours a week
• Self-Paced
• Paid Course

Career Certificate

Large-Scale Database Systems

11 ratings at Coursera

Design fault-tolerant distributed databases covering transaction management, concurrency control, query optimization and reliability protocols, plus Hadoop, MapReduce, collaborative filtering, clustering and classification for scalable analysis.

• Coursera
• 12 weeks, 5 hours a week
• Self-Paced
• Paid Course
• 3 courses