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.

Coursera
Skills you'll gain: Bookkeeping, Accounting Records, Ledgers (Accounting), General Ledger, Financial Reporting, Balance Sheet, Record Keeping, Income Statement, Financial Statements
Beginner · Course · 1 - 4 Weeks

Logical Operations
Skills you'll gain: Microsoft Access, Database Design, Relational Databases, Database Management, Excel Macros, Microsoft 365, Database Development, Database Administration, Database Architecture and Administration, Data Integrity, Data Maintenance, Microsoft Windows, Databases, Microsoft Office, Data Entry, Query Languages, Data Presentation, Productivity Software, User Interface (UI), Scripting
Beginner · Specialization · 3 - 6 Months

Logical Operations
Skills you'll gain: Adobe InDesign, Adobe Creative Cloud, Document Management, Layout Design, File Management, Productivity Software, Graphic Design, Multimedia, Digital Publishing, User Interface (UI), Graphic and Visual Design, Style Guides, Graphic and Visual Design Software, Typography
Mixed · Course · 1 - 3 Months

Peking University
Skills you'll gain: File Systems, Operating Systems, OS Process Management, File Management, System Software, Computer Systems, File I/O, Computer Science, Unix, Performance Tuning, Linux, Microsoft Windows, Data Structures, Debugging, Algorithms, Virtualization
Intermediate · Course · 3 - 6 Months

Universidad Nacional Autónoma de México
Skills you'll gain: Supervision, Organizational Skills, Creative Thinking, Organizational Strategy, Leadership and Management, Delegation Skills, Strategic Planning, Cognitive flexibility, Creative Problem-Solving, Empathy & Emotional Intelligence, Leadership Development, Team Leadership, Brainstorming, Leadership, Emotional Intelligence, Problem Solving, Quality Management, Time Management, Business Planning, Coaching
Beginner · Specialization · 3 - 6 Months

University of California, Davis
Skills you'll gain: SQL, Data Manipulation, Data Analysis, Business Analytics, Query Languages, Databases, Relational Databases, Data Management, Data Modeling, Data Integration
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Architectural Drawing, AutoCAD, Technical Drawing, Drafting and Engineering Design, Computer-Aided Design, Commercial Construction, Building Design, Architectural Design, Functional Design
Beginner · Course · 1 - 4 Weeks

Siemens
Skills you'll gain: Safety Standards, Robotics, Electrical Safety, Mechanical Design, Automation, Control Systems, Manufacturing and Production, Performance Testing, Human Machine Interfaces, Computer Programming, Programming Principles
Beginner · Course · 1 - 4 Weeks
CertNexus
Skills you'll gain: Data Preprocessing, Data Analysis, Data Collection, AI Workflows, Statistical Analysis, Model Deployment, Artificial Intelligence and Machine Learning (AI/ML), Data Cleansing, Applied Machine Learning, Predictive Modeling, Machine Learning, Model Evaluation, Descriptive Statistics, Feature Engineering, Machine Learning Algorithms, Process Management
Intermediate · Course · 1 - 3 Months

AI CERTs
Skills you'll gain: Prompt Engineering, Search Engine Optimization, Keyword Research, Blogs, Writing and Editing, Content Creation, Generative AI Agents, Web Content, Copywriting, Workflow Management, AI Personalization, Business Writing, Generative AI, AI Enablement, Content Strategy, Writing, Editing, Artificial Intelligence, Artificial Intelligence and Machine Learning (AI/ML), Responsible AI
Intermediate · Course · 1 - 3 Months
Skills you'll gain: Responsible AI, AI Workflows, AI Orchestration, Agentic systems, Generative AI Agents, Artificial Intelligence, Coordination, AI Security, Data Ethics, Governance, Systems Architecture, Software Architecture, Scalability, Regulatory Compliance, Communication Strategies, Communication
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Project Management Software, Project Management, Developing Training Materials, Project Documentation, Issue Tracking, Productivity, Collaboration, Teamwork, Knowledge Transfer, Problem Solving
Beginner · Course · 1 - 4 Weeks