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.

LearnQuest
Skills you'll gain: Model View Controller, Spring Framework, Restful API, Spring Boot, Web Services, JSON, YAML, Web Applications, Configuration Management, Angular, Java Programming, Application Frameworks, Software Architecture, Middleware, Extensible Markup Language (XML)
Intermediate · Course · 1 - 4 Weeks

Duke University
Skills you'll gain: Digital Transformation, Agile Product Development, Market Trend, Operational Efficiency, Strategic Thinking, Customer Insights, Customer experience strategy (CX), Innovation, Market Opportunities, Business Strategy, Customer Engagement, Technology Strategies, New Product Development, Business Modeling, Business Technologies, Organizational Change, Business Strategies, Business Transformation, Competitive Analysis, Customer Analysis
Intermediate · Specialization · 1 - 4 Weeks

Skills you'll gain: Order Fulfillment, Online Advertising, E-Commerce, Google Ads, Digital Advertising, Customer experience improvement, Market Research, Advertising Campaigns, Sales, Shipping and Receiving, Market Trend, Process Optimization, Target Audience
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Data Cleansing, Database Design, Data Integration, SQL, Data Manipulation, Database Management, Relational Databases, Data Validation, Data Quality, Data Integrity, Performance Tuning
Beginner · Course · 1 - 4 Weeks

SkillUp
Skills you'll gain: Dynamic Host Configuration Protocol (DHCP), Windows Servers, iSCSI Configuration, Virtual Private Networks (VPN), Microsoft Windows, Network Administration, Microsoft Azure, Windows PowerShell, Data Storage Technologies, Public Key Infrastructure, Infrastructure As A Service (IaaS), Cloud Storage, Proxy Servers, Web Applications
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Object Oriented Programming (OOP), Computer Programming, Data Persistence, Programming Principles, Python Programming, File Management, Computer Science
Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Cryptography, Encryption, Application Development, Security Engineering, Application Security, C++ (Programming Language)
Intermediate · Guided Project · Less Than 2 Hours

Amazon Web Services
Skills you'll gain: Software Development Life Cycle, CI/CD, DevOps, Continuous Integration, Agile Software Development, Project Management, Software Development, Continuous Deployment, Application Deployment, Software Testing, Waterfall Methodology, Agile Methodology, Kanban Principles, Scrum (Software Development), Git (Version Control System), Automation
Beginner · Course · 1 - 4 Weeks

Interactive Brokers
Skills you'll gain: Real Estate, Risk Management, Property and Real Estate, Financial Analysis, Financial Acumen, Return On Investment, Economics, Construction Accounting, Market Dynamics, Investment Management, Market Data, Mortgage Loans, Investments, Market Trend, Market Analysis
Beginner · Course · 1 - 4 Weeks
University of Illinois Urbana-Champaign
Skills you'll gain: Tax Returns, Tax Preparation, Income Tax, Payroll Tax, Tax, Payroll, Tax Laws, Expense Management, Revenue Recognition, Compensation and Benefits
Build toward a degree
Intermediate · Course · 1 - 3 Months

Northeastern University
Skills you'll gain: Responsible AI, Generative AI, AI Workflows, Data Ethics, Model Evaluation, Data Governance, Governance, Artificial Intelligence, Machine Learning, Ethical Standards And Conduct, Organizational Strategy, Social Impact, Benchmarking, Emerging Technologies
Beginner · Course · 1 - 3 Months

The Hong Kong University of Science and Technology
Skills you'll gain: Political Sciences, Public Policies, Policy Analysis, Social Sciences, International Relations, Socioeconomics, Economics, Economic Development, Governance, Culture
Beginner · Course · 1 - 3 Months