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.

Coursera
Skills you'll gain: Portfolio Risk, Investment Management, Risk Management, Financial Analysis, Risk Analysis, Portfolio Management, Financial Market, Investments, Return On Investment, Statistics
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Spreadsheet Software, Business Analysis, Data Manipulation, Excel Formulas, Data Analysis, Text Mining, Statistical Reporting, Data Presentation, Data Processing
Intermediate · Guided Project · Less Than 2 Hours

Politecnico di Milano
Skills you'll gain: Physics, Laboratory Experience, Electrical Systems, Experimentation, Electric Power Systems, Scientific Methods, electromagnetics, Physical Science, Electronic Components
Beginner · Course · 1 - 4 Weeks
Dartmouth College
Skills you'll gain: Command-Line Interface, C (Programming Language), Linux Commands, Linux, Embedded Systems, File I/O, Embedded Software, Software Visualization, Programming Principles, Computer Engineering, Linux Servers, File Systems, System Programming, Algorithms, Computer Architecture, Computer Programming, Software Documentation, Computer Science, Software Engineering, Debugging
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Photography, Photo Editing, Creativity, Creative Thinking, Storytelling, Aesthetics, Self-Awareness, Curiosity, Patience, Adaptability
Beginner · Course · 1 - 3 Months

University of London
Skills you'll gain: Learning Theory, Teaching, Human Learning, Pedagogy, Education and Training, Higher Education, Social Sciences, Policy Analysis
Mixed · Course · 1 - 3 Months

Skills you'll gain: Electric Power Systems, Safety Standards, Safety and Security, Emerging Technologies, Control Systems, Global Positioning Systems, Environmental Issue, Computer Vision, Artificial Intelligence, Algorithms
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Interviewing Skills, Storytelling, Problem Solving, Professional Development, Initiative and Leadership, Concision, Verbal Communication Skills, Teamwork, Job Analysis, Communication, Business Writing
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Oracle SQL Developer, SQL, Oracle Databases, Database Management, Data Analysis, Performance Tuning, Business Intelligence, Data Manipulation, Analytics, Data Transformation
Mixed · Course · 1 - 4 Weeks

University of Colorado System
Skills you'll gain: Intrusion Detection and Prevention, Threat Detection, Open Web Application Security Project (OWASP), Incident Response, Penetration Testing, Computer Security Incident Management, Metasploit, Distributed Denial-Of-Service (DDoS) Attacks, Cybersecurity, Threat Management, Data Security, Authentications, Cyber Attacks, Security Testing, Cloud Security, Security Strategy, Computer Security Awareness Training, Risk Management, Security Awareness, Enterprise Security
Beginner · Specialization · 3 - 6 Months

Starweaver
Skills you'll gain: Customer experience strategy (CX), Service Design, Change Management, Social Media Campaigns, Hospitality Management, Social Media Marketing, Process Mapping, Key Performance Indicators (KPIs), Brand Management, Design Thinking, Brand Marketing, Service Management, Customer experience improvement, Digital Marketing, Design, Social Media Management, Prototyping, Content Marketing, Leadership, Search Engine Optimization
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Seaborn, Data Storytelling, Data Presentation, Statistical Visualization, Data Visualization, Data Literacy, Data Visualization Software, Matplotlib, Box Plots, Scatter Plots, Statistical Analysis, Heat Maps, Histogram, Python Programming
Beginner · Course · 1 - 4 Weeks