Data Structures and Algorithms courses can help you learn about arrays, linked lists, trees, and graph structures, along with sorting and searching algorithms. You can build skills in problem-solving, optimizing code efficiency, and analyzing algorithm complexity. Many courses introduce tools like Python, Java, or C++ for implementing these concepts, as well as platforms for coding challenges that reinforce your understanding through practical application.

University of Pennsylvania
Skills you'll gain: Portfolio Management, Financial Modeling, Data Presentation, Presentations, Microsoft PowerPoint, Business Modeling, Data Modeling, Quantitative Research, Business Analytics, Financial Data, Portfolio Risk, Spreadsheet Software, Investments, Return On Investment, Microsoft Excel, Finance, Financial Analysis, Regression Analysis, Model Optimization
Mixed · Course · 1 - 3 Months

Skills you'll gain: Medical Terminology, Pulmonology, Pathology, Endocrinology, Cardiology, Medical Records, Neurology, Respiratory Care, Obstetrics And Gynecology, General Medical Tests and Procedures, Urology, Human Musculoskeletal System, Gynecology, Anatomy, Respiration, Medical Practices and Procedures, Urinalysis, Health Information Management and Medical Records, Sensory Systems Analysis, Hemodynamics
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Healthcare Ethics, Medical Equipment and Technology, Health Care Administration, Hospital Experience, Nursing Management, Nursing Administration, Health Systems, Infection Control, Medical Equipment, Intensive Care Unit, Health Administration, Medical Support, Medical Management, Telehealth, Health Informatics, Health Information Management, Patient Flow, Bed Management, Hospital Admissions, Health Technology
Beginner · Specialization · 3 - 6 Months

Simplilearn
Skills you'll gain: Fine-tuning, LLM Application, LangChain, Model Optimization, Responsible AI, Large Language Modeling, Model Deployment, OpenAI, Data Preprocessing, Model Training, Model Evaluation, Reinforcement Learning
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Prompt Engineering, Anthropic Claude, Claude Code, AI Workflows, Prompt Engineering Tools, Agentic Workflows, AI Orchestration, Model Context Protocol, Presentations, Excel Formulas, Business Process Automation, Microsoft PowerPoint, Spreadsheet Software, Data Presentation, Financial Data, Tool Calling, Productivity Software, Automation, Financial Modeling, Workflow Management
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Supervised Learning, Model Optimization, Feature Engineering, Applied Machine Learning, Unsupervised Learning, Model Evaluation, Machine Learning Algorithms, Predictive Modeling, Model Training, Data Preprocessing, Classification Algorithms, Dimensionality Reduction, Data Transformation, Fine-tuning
Advanced · Course · 1 - 3 Months

Pearson
Skills you'll gain: PySpark, Apache Hadoop, Apache Spark, Big Data, Apache Hive, Data Lakes, Analytics, Data Pipelines, Data Processing, Data Import/Export, Data Infrastructure, Linux Commands, Linux, File Systems, Data Management, Distributed Computing, Command-Line Interface, Relational Databases, Java, C++ (Programming Language)
Intermediate · Specialization · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Large Language Modeling, Natural Language Processing, Generative Model Architectures, Transfer Learning
Advanced · Course · 1 - 4 Weeks
Illinois Tech
Skills you'll gain: Operating System Administration, Linux Administration, Microsoft Windows, Command-Line Interface, Operating Systems, System Configuration, Event Monitoring, Authorization (Computing), Desktop Support, OS Process Management, Network Security, Package and Software Management, Information Technology, IT Automation, Network Administration, General Networking, Software Installation
Build toward a degree
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Media Relations, Proofreading, Public Relations, Stakeholder Analysis, Integrated Marketing Communications, Marketing Communications, Strategic Communication, Public Affairs, Content Management, Performance Reporting, Storytelling, Content Management Systems, Content Performance Analysis, Content Strategy, Report Writing, Business Reporting, Content Scheduling, Marketing Effectiveness, Media Strategy, Generative AI
Beginner · Professional Certificate · 3 - 6 Months

The Expert Academy
Skills you'll gain: Negotiation, Consumer Behaviour, Stakeholder Engagement, Behavioral Economics, Stakeholder Communications, Decision Making, Influencing, Stakeholder Management, Marketing Psychology, Sales, General Sales Practices, Problem Solving, Critical Thinking and Problem Solving, Strategic Decision-Making, Customer Analysis, Business Ethics, Analysis, Overcoming Objections, Persuasive Communication, Trustworthiness
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: LangChain, LLM Application, Hugging Face, Retrieval-Augmented Generation, Prompt Patterns, LangGraph, Model Deployment, AI Workflows, Large Language Modeling, AI Orchestration, Generative AI, Token Optimization, Generative Model Architectures, AI Integrations, Fine-tuning, Embeddings, Data Pipelines, Containerization, Restful API, Docker (Software)
Intermediate · Specialization · 1 - 3 Months