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.

Johns Hopkins University
Skills you'll gain: Model Evaluation, Intrusion Detection and Prevention, Threat Detection, Computer Security Incident Management, Cybersecurity, Anomaly Detection, Applied Machine Learning, Network Security, Machine Learning, Unsupervised Learning, Supervised Learning, Artificial Neural Networks
Intermediate · Course · 1 - 3 Months

University of Cape Town
Skills you'll gain: Financial Regulations, FinTech, Financial Regulation, Financial Systems, Blockchain, Mobile Banking, Banking, Financial Services, Consumer Lending, Financial Market, Emerging Technologies, Regulatory Requirements, Loans, Lending and Underwriting, Regulatory Compliance, Payment Systems, International Finance, Payment Processing, Risk Modeling
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Containerization, Restful API, Event-Driven Programming, DevOps, Data Integration, z/OS, Solution Architecture, Cloud Applications, Microservices, Enterprise Architecture, IBM Cloud, Application Lifecycle Management, Cloud-Native Computing, Application Design, CI/CD, Systems Integration, Software Architecture, Mainframe Computing
Beginner · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: Test Tools, Test Automation, Test Planning, Scripting, Test Script Development, Continuous Integration, CI/CD, Software Testing, Regression Testing, Software Technical Review, Test Case, Continuous Delivery, Maintainability, Automation, Software Quality (SQA/SQC)
Advanced · Course · 1 - 4 Weeks

Skills you'll gain: Incident Response, Threat Detection, Cyber Threat Hunting, Intrusion Detection and Prevention, Malware Protection, Cybersecurity, Data Persistence, Network Analysis, Operating Systems, Virtual Environment
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Microsoft Azure, Cloud Management, Virtual Machines, Kubernetes, Containerization, Cloud Storage, Cloud Computing, Data Storage, Application Deployment, IT Automation, Infrastructure as Code (IaC), Application Security, Data Import/Export, Scalability, Encryption
Intermediate · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Penetration Testing, Exploitation techniques, Cyber Security Assessment, Unix, Vulnerability Assessments, Unix Commands, Unix Shell, System Programming, Shell Script, Linux, Debugging, Linux Commands, Computer Architecture, Authentications
Build toward a degree
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Hyper-V, Windows Servers, Virtualization and Virtual Machines, Cloud Infrastructure, Containerization, Hybrid Cloud Computing, Microsoft Azure, Virtual Networking, Cloud Platforms, Windows PowerShell, IT Automation, Automation
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Cloud Infrastructure, Load Balancing, Cloud Computing, Cloud Applications, Cloud Deployment, Cloud Platforms, Cloud Services, Cloud Solutions, Scalability, Microsoft Azure, Application Deployment, Amazon Web Services, ASP.NET, Disaster Recovery, Capacity Management, Application Performance Management
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Penetration Testing, Exploitation techniques, Scenario Testing, Brute-force attacks, Cybersecurity, Vulnerability Assessments, Linux, Command-Line Interface, Cryptography, File Management, Microsoft Windows, Scripting, Virtual Machines
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Legal Strategy, Business Ethics, Price Negotiation, Cultural Responsiveness, AI Personalization, Data-Driven Decision-Making
Intermediate · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Community Organizing, Compassion, Community Development, Community Outreach, Social Impact, Needs Assessment, Train The Trainer, Sustainable Development, Program Evaluation, Education and Training, Data Mapping, Initiative and Leadership, Empowerment, Curriculum Planning, Working With Children, Collaboration, Planning, Environmental Issue
Beginner · Course · 1 - 3 Months