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 Colorado Boulder
Skills you'll gain: Semiconductors, High Voltage, Power Electronics, Electronic Components, Electrical Engineering, Electronics Engineering, Electronics, Electrical Power, Simulation and Simulation Software, Materials science, Engineering Analysis, Engineering Calculations
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Open Web Application Security Project (OWASP), Secure Coding, Application Security, Security Testing, DevSecOps, Threat Modeling, Vulnerability Scanning, Continuous Monitoring, Vulnerability Assessments, Application Performance Management, System Monitoring, Vulnerability Management, Development Environment, Security Controls, DevOps, Data Security, Software Development Life Cycle
★ 4.7 (255) · Intermediate · Course · 1 - 4 Weeks

The Expert Academy
Skills you'll gain: Closing (Sales), Overcoming Objections, B2B Sales, Selling Techniques, Sales, Sales Strategy, Negotiation, Price Negotiation, Customer Retention, Business Communication, Communication, Sales Presentation, Sales Prospecting, Customer Relationship Building, Communication Strategies, Customer Relationship Management, Stakeholder Communications, Relationship Building, Influencing, Trustworthiness
Intermediate · Specialization · 3 - 6 Months

Tsinghua University
Skills you'll gain: Intercultural Competence, Cultural Diversity, Mental Health, Learning Strategies, Stress Management, Language Learning, English Language, Literacy, Empathy & Emotional Intelligence, Higher Education
★ 4.5 (126) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: HR Tech, Performance Appraisal, Human Resources Software, People Analytics, Performance Management, Recruitment, Training and Development, Human Resources Management and Planning, Human Resource Management, Employee Retention, Human Resources Information System (HRIS), Compensation Management, Human Resources, Workforce Planning, Job Analysis, Recruitment Strategies, Talent Recruitment, Constructive Feedback, Talent Acquisition, Analytics
★ 4.2 (9) · Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Node.JS, Restful API, Server Side, Back-End Web Development, Full-Stack Web Development, JavaScript Frameworks, JSON, Web Servers, Authentications, Web Applications, API Design, Web Development, Postman API Platform, Package and Software Management, Model View Controller, Application Programming Interface (API), Web Services, Authorization (Computing), Javascript, Computer Science
★ 4.5 (628) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Responsible AI, Generative AI, Model Deployment, Generative Model Architectures, Large Language Modeling, Model Training, Prompt Engineering, Artificial Intelligence and Machine Learning (AI/ML), AI Workflows, Model Evaluation, Retrieval-Augmented Generation, AI Security, Deep Learning, Artificial Neural Networks, Model Optimization, Transfer Learning
Advanced · Course · 3 - 6 Months

Johns Hopkins University
Skills you'll gain: Request for Proposal, Presentations, Technical Communication, Persuasive Communication, Proposal Writing, Oral Expression, Proposal Development, Technical Writing, Intercultural Competence, Public Speaking, Verbal Communication Skills, Design Thinking, Communication, Teamwork, Communication Strategies, Concision, Communication Planning, Innovation, Professional Development, Target Audience
★ 4.9 (16) · Intermediate · Course · 1 - 4 Weeks

Duke University
Skills you'll gain: Amazon Bedrock, Model Deployment, LLM Application, Large Language Modeling, MLOps (Machine Learning Operations), Amazon Web Services, AI Security, Model Evaluation, Model Training, AI Workflows, Continuous Monitoring, Data Ethics, Rust (Programming Language), Generative AI, Cloud Computing, Serverless Computing, Development Environment
★ 4.6 (28) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Test Planning, Test Driven Development (TDD), Release Management, Software Testing, Behavior-Driven Development, Risk Management Framework, Risk Management, System Testing, Application Deployment, Software Quality Assurance, Software Development Life Cycle, CI/CD, Data Validation, Systems Analysis, Systems Thinking, Data Modeling, Product Lifecycle Management, Business Process Automation, Digital Transformation, Process Flow Diagrams
★ 4.9 (21) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Tax Compliance, Sales Tax, Tax Management, Compliance Management, Registration, Tax Preparation, Regulatory Compliance, Billing & Invoicing, Tax Returns, Invoicing, Tax Planning, Tax, Transaction Processing, Hospitality, Construction Accounting, Tax Laws, Specialized Accounting, Claims Processing, Hospitality Services, Finance
★ 4.8 (19) · Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Network Architecture, Model Optimization, Artificial Neural Networks, Model Training, Network Planning And Design, Performance Testing, Deep Learning
Intermediate · Course · 1 - 4 Weeks