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: Immigration Law, Legal Proceedings, Law, Regulation, and Compliance, Court Systems, Civil Procedures, Diversity Programs
Intermediate · Course · 1 - 4 Weeks

Alex Genadinik
Skills you'll gain: Stress Management, Growth Mindedness, Open Mindset, Willingness To Learn, Self-Awareness, Lifelong Learning, Resilience, Personal Development, Self-Motivation, Mental Health, Science and Research, Physiology, Research, Psychology, Cognitive flexibility, Goal Setting
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Secure Coding, Application Security, Authorization (Computing), Authentications, Data Validation, Role-Based Access Control (RBAC), Verification And Validation, Security Controls, User Accounts, Configuration Management, Package and Software Management, Cybersecurity, Data Loss Prevention, Identity and Access Management, Software Installation, Middleware, Debugging, Computer Programming, Information Technology, Dependency Analysis
Beginner · Course · 1 - 3 Months

Skills you'll gain: Microsoft Azure, Serverless Computing, Security Strategy, Network Security, Firewall, Cloud Management, Infrastructure As A Service (IaaS), Cyber Security Strategy, Distributed Denial-Of-Service (DDoS) Attacks, System Monitoring, Cloud Security, Application Security, Internet Of Things, Artificial Intelligence
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Disaster Recovery, Microsoft Azure, Microsoft Copilot, Cloud Security, Continuous Monitoring, Systems Administration, Cloud Storage, Patch Management, Virtual Machines, Data Security, Generative AI
Beginner · Course · 1 - 3 Months

American Psychological Association
Skills you'll gain: Relationship Building, Relationship Management, Psychology, Human Relations Movement, Interpersonal Communications, Cultural Diversity, Research, Behavioral Management
Beginner · Course · 1 - 3 Months

University of California, Irvine
Skills you'll gain: Stress Management, Personal Development, Emotional Intelligence, Self-Awareness, Mindfulness, Mental Health, Substance Abuse, Nutrition and Diet, Preventative Care, Mental Concentration, Exercise Science, Health And Wellness Coaching, Environmental Science, Health Education
Beginner · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: System Programming, Embedded Systems, Linux, File I/O, Linux Servers, Operating Systems, Shell Script, C (Programming Language), File Systems, OS Process Management, Build Tools, Cross Platform Development, Debugging, Electrical Engineering
Advanced · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Apache Hadoop, Data Processing, Distributed Computing, Performance Tuning, Big Data, Software Architecture, Scalability
Intermediate · Course · 1 - 3 Months

University of California San Diego
Skills you'll gain: Cloud Development, Cloud Computing Architecture, Cloud Computing, Amazon Web Services, Cloud Infrastructure, Cloud Services, Internet Of Things, Amazon Elastic Compute Cloud, Linux Administration, Software Installation, Embedded Systems, Machine Learning, Command-Line Interface, Restful API
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Threat Detection, Threat Management, Vulnerability Assessments, Incident Response, Vulnerability Scanning, Cyber Security Assessment, Penetration Testing, Vulnerability Management, Cybersecurity, Network Security, Security Strategy, Risk Mitigation, Emergency Response, Technical Writing
Intermediate · Course · 1 - 4 Weeks

University of Toronto
Skills you'll gain: Resilience, Mental Health, Stress Management, Compassion, Emotional Intelligence, Mindfulness, Crisis Intervention, Self-Awareness, Behavioral Health, Mental Health Therapies, Positive Behavior Support
Beginner · Course · 1 - 3 Months