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.

Skills you'll gain: MLOps (Machine Learning Operations), Feature Engineering, Model Evaluation, Data Preprocessing, Performance Analysis, Performance Tuning, Predictive Modeling, Data Pipelines, Data Transformation
Intermediate · Course · 1 - 4 Weeks

Universiteit Leiden
Skills you'll gain: Court Systems, Legal Proceedings, Adjudication, Legal Strategy, Criminal Investigation and Forensics, International Relations, Appeals, Case Law, Policty Analysis, Research, and Development, Case Studies, Child Development
Mixed · Course · 1 - 3 Months

Skills you'll gain: Version Control, Git (Version Control System), Selenium (Software), Test Automation, Jenkins, Test Script Development, Continuous Integration, Test Execution Engine, Test Data, Test Case, Software Testing, Software Design Patterns, Command-Line Interface, File I/O
Advanced · Course · 1 - 3 Months

Skills you'll gain: Kubernetes, Site Reliability Engineering, Nginx
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Recurrent Neural Networks (RNNs), Model Deployment, Keras (Neural Network Library), Deep Learning, Tensorflow, Artificial Neural Networks, Convolutional Neural Networks, Application Frameworks, Artificial Intelligence, Machine Learning Methods, Image Analysis, Data Preprocessing
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Power BI, Data Analysis Expressions (DAX), Data Transformation, Business Intelligence, Data Modeling, Interactive Data Visualization, Data Manipulation, Dashboard, Data Visualization Software, Microsoft Excel, SQL Server Reporting Services, Data Warehousing, Data Sharing, Data Integration
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Git (Version Control System), GitHub, Version Control, Software Configuration Management, Software Development Tools, Development Environment, Unix Shell, Command-Line Interface, Secure Coding, Debugging
Intermediate · Course · 1 - 3 Months

Harvard Business Review
Skills you'll gain: Conflict Management, Constructive Feedback, Team Leadership, Team Building, Negotiation, Coaching, Trustworthiness, Performance Management, Relationship Building, Collaboration, Empathy, Active Listening, Communication
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Incident Response, Computer Security Incident Management, Incident Management, Intrusion Detection and Prevention, Threat Detection, Event Monitoring, Threat Management, Security Information and Event Management (SIEM), Security Management, Cyber Threat Intelligence, Continuous Monitoring, Document Management, Cybersecurity, Technical Documentation, NIST 800-53
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Email Marketing, Customer Retention, Customer Relationship Building, E-Commerce, Driving engagement, Strategic Marketing, Online Advertising, Performance Metric, Copywriting, Sales, Decision Making, Automation
Beginner · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Stakeholder Management, Technical Management, Engineering Management, Negotiation, Mentorship, Leadership, Courage, Growth Mindedness, Business Leadership, Team Leadership, Office Management, Collaboration, Professional Development, Visionary, Personal Development, Accountability, Positivity, Resilience
Build toward a degree
Beginner · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Email Security, Mobile Security, Network Security, Open Web Application Security Project (OWASP), Threat Detection, TCP/IP, Network Analysis, Network Protocols, Cybersecurity, Application Security, Exploitation techniques, Wireless Networks, Splunk, Information Privacy
Intermediate · Course · 1 - 3 Months