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.

Cisco Learning and Certifications
Skills you'll gain: Network Protocols, Network Troubleshooting, Network Planning And Design, Network Routing, TCP/IP, Computer Networking, Dynamic Host Configuration Protocol (DHCP), Network Routers, Network Security, Local Area Networks, Network Switches, File Transfer Protocol (FTP)
Beginner · Course · 1 - 3 Months

Pragmatic AI Labs
Skills you'll gain: Model Deployment, MLOps (Machine Learning Operations), Hugging Face, Rust (Programming Language), Cloud Deployment, Application Deployment, CI/CD, Performance Tuning, Performance Testing, Cryptography, Command-Line Interface, Git (Version Control System)
Intermediate · Course · 1 - 4 Weeks

Universitat Politècnica de València
Skills you'll gain: Business Systems, Business Technologies, Enterprise Resource Planning, Supply Chain Management, Management Information Systems, Microsoft Excel, Geographic Information Systems, Web Development, Web Applications, Customer Relationship Management
Beginner · Course · 1 - 3 Months
Skills you'll gain: AI Security, Application Security, Secure Coding, DevSecOps, Open Web Application Security Project (OWASP), Responsible AI, Threat Modeling, Vulnerability Scanning, AI Personalization, Continuous Integration, Code Review, PyTorch (Machine Learning Library), MLOps (Machine Learning Operations), Dependency Analysis, Analysis, Program Implementation, Supply Chain
Intermediate · Course · 1 - 4 Weeks

Universitat Autònoma de Barcelona
Skills you'll gain: Spanish Language, Language Competency, Writing, Proofreading, Grammar, Vocabulary, Editing, Language Interpretation, Translation, and Studies, Style Guides
Beginner · Course · 1 - 3 Months

Logical Operations
Skills you'll gain: Prompt Engineering, Prompt Engineering Tools, Prompt Patterns, Generative AI, Business Communication, AI Enablement, Responsible AI, Data Ethics, LLM Application, Large Language Modeling, Artificial Intelligence, Customer Service, Marketing
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: iOS Development, Apple iOS, Swift Programming, Apple Xcode, Unit Testing, Mobile Development, User Interface (UI), User Interface and User Experience (UI/UX) Design, Game Design, Application Deployment, Real Time Data, Debugging, Artificial Intelligence
Intermediate · Course · 1 - 3 Months

Alex Genadinik
Skills you'll gain: Sales Strategy, Advertising Sales, Video Production, Marketing Materials, Facebook, Promotional Strategies, Content Creation, Content Marketing, Drive Engagement, Target Audience
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: API Testing, Test Automation, Test Case, Test Execution Engine, Application Programming Interface (API), Regression Testing, System Monitoring, Restful API, Continuous Integration, Scenario Testing, Debugging, Continuous Delivery, Jenkins, CI/CD, Test Data, Azure DevOps, Query Languages, Data Validation
Advanced · Course · 1 - 4 Weeks

Universiteit Leiden
Skills you'll gain: Language Competency, Language Learning, Language Disorders, Anthropology, Multilingualism, English Language, Communication Disorders, Cultural Diversity, Oral Comprehension, Vocabulary, Grammar, Cultural Sensitivity, Social Sciences, Sociology, Research Methodologies
Beginner · Course · 1 - 3 Months

Coursera
Skills you'll gain: Financial Modeling, Variance Analysis, Key Performance Indicators (KPIs), Bookkeeping, Financial Forecasting, Revenue Forecasting, Budget Management, Financial Statement Analysis, Business Reporting, Dashboard, Capital Budgeting, Financial Controls, Financial Reporting, Financial Analysis, Process Improvement, Financial Services, Financial Data, Investments, Predictive Analytics, Data-Driven Decision-Making
Intermediate · Specialization · 3 - 6 Months

Yale University
Skills you'll gain: Research Design, Medical Science and Research, Statistical Methods, Descriptive Statistics, Data Literacy, Scientific Methods, Clinical Research, Research, Biostatistics, Sampling (Statistics), Medical Terminology
Beginner · Course · 1 - 3 Months