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 California, Davis
Skills you'll gain: Open Web Application Security Project (OWASP), Authentications, Exploit development, Penetration Testing, Security Strategy, Security Testing, Application Security, Vulnerability Assessments, Code Review, Vulnerability Management, Secure Coding, Authorization (Computing), Exploitation techniques, Java, Security Controls, Java Programming, Patch Management, Dependency Analysis, Docker (Software), JSON
★ 4.4 (68) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Test Driven Development (TDD), Unit Testing, Test Planning, Debugging, Browser Compatibility, Performance Testing, Security Testing, Software Testing, System Testing, Test Script Development, Behavior-Driven Development, API Testing, Code Coverage, Integration Testing, Development Testing, Test Case, Test Automation, Continuous Delivery, Software Development Tools, Site Reliability Engineering
Intermediate · Specialization · 1 - 3 Months

Whizlabs
Skills you'll gain: Amazon Web Services, Serverless Computing, Amazon S3, Amazon Elastic Compute Cloud, API Gateway, Cloud Storage, Data Storage Technologies, Cloud Deployment, Data Security, AWS Identity and Access Management (IAM), Application Deployment, File Systems, Encryption
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: MLOps (Machine Learning Operations), Responsible AI, CI/CD, Data Ethics, Model Deployment, Model Training, Continuous Integration, Continuous Delivery, Continuous Deployment, Cloud Platforms, Model Evaluation, Automation, Data Governance, Data Pipelines, Performance Tuning, Continuous Monitoring, Performance Analysis, Analysis
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Team Performance Management, Team Management, Emotional Intelligence, Management Training And Development, Empathy & Emotional Intelligence, Business Leadership, People Management, Leadership Studies, Team Leadership, Leadership and Management, Behavior Management, Business Management, Organizational Leadership, Leadership, Professionalism, Organizational Effectiveness, Leadership Development, Industrial and Organizational Psychology, Personal Development, Organizational Structure
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Forecasting, Financial Statement Analysis, Budgeting, Variance Analysis, Financial Modeling, Management Reporting, Financial Planning, Corporate Finance, Data Storytelling, Key Performance Indicators (KPIs), Generative AI, Scenario Testing, Prompt Engineering, Risk Management, Microsoft Excel, Accrual Accounting, Stakeholder Management, Anomaly Detection, Data Visualization, Performance Stress Testing
Beginner · Professional Certificate · 3 - 6 Months

Skills you'll gain: Interviewing Skills, Professional Networking, Web Presence, Presentations, Cybersecurity, Applicant Tracking Systems, Market Research, Recruitment, Portfolio Management, Job Analysis, Business Writing, Negotiation, Writing
★ 4.8 (131) · Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Accounting Software, Payment Processing, Supplier Relationship Management
Beginner · Course · 1 - 4 Weeks

Minnesota State University, Mankato
Skills you'll gain: Trustworthiness, Influencing, Executive Presence, Communication, Verbal Communication Skills, Self-Awareness, Leadership, Business Leadership, Leadership Development, Persuasive Communication, Team Leadership, Emotional Intelligence, Personal Development, Initiative and Leadership, Personal Integrity, Resilience, Interpersonal Communications, Strategic Communication, Constructive Feedback, Culture
Advanced · Course · 1 - 4 Weeks

American Psychological Association
Skills you'll gain: Substance Abuse, Mental and Behavioral Health, Substance Abuse Counseling, Mental Health Diseases and Disorders, Psychiatry, Behavioral Health, Patient Evaluation, Clinical Psychology, Epidemiology, Pharmacology, Mental Health Therapies, Neurology, Demography, Pharmacotherapy, Psychology, Culture
★ 4.9 (92) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Apache, Network Troubleshooting, OSI Models, File Transfer Protocol (FTP), Linux Administration, Linux Servers, TCP/IP, Network Protocols, Linux Commands, Systems Analysis, Linux, Dynamic Host Configuration Protocol (DHCP), Virtual Networking, Network Analysis, General Networking, Virtual Machines, Web Servers, Network Administration, Computer Networking, Unix Shell
Intermediate · Specialization · 1 - 4 Weeks

Skills you'll gain: Procurement, Change Control, Project Management Software, Vendor Management, Project Management Life Cycle, Meeting Facilitation, Project Management, CI/CD, Issue Tracking, Request for Proposal, Project Risk Management, Collaborative Software, Team Management, Request For Quotation (RFQ), Risk Management, Risk Analysis, Continuous Deployment, Risk Mitigation, Proposal Development, Change Management
★ 5 (6) · Advanced · Course · 1 - 3 Months