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.

Pontificia Universidad Católica de Chile
Skills you'll gain: Classification Algorithms, Exploratory Data Analysis, Data Mining, Data Analysis, Machine Learning Algorithms, Model Evaluation, Data Management, Data Science, Unsupervised Learning, Big Data, Supervised Learning, Algorithms, Data Preprocessing, Transaction Processing
Beginner · Course · 1 - 3 Months

Logical Operations
Skills you'll gain: Business Writing, Business Correspondence, Proposal Writing, Proposal Development, Target Audience, Business Communication, Report Writing, Writing, Concision, Persuasive Communication, Communication, Writing and Editing, Tactfulness, Diplomacy, Customer Complaint Resolution, Organizational Skills, Grammar, Communication Strategies, Editing, Proofreading
Mixed · Course · 1 - 3 Months

Coursera
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Continuous Delivery, Microservices, Software Installation, Version Control, Scalability
Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Application Deployment, No-Code Development, Cloud Deployment, AI Security, Cloud Security, Data Security, Configuration Management, Risk Mitigation, Production Management
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Apache, CI/CD, Full-Stack Web Development, Continuous Deployment, Ruby (Programming Language), Service Management, Software Installation
Beginner · Course · 1 - 4 Weeks

Universitat Politècnica de València
Skills you'll gain: Peripheral Devices, Hardware Architecture, Computer Hardware, Hardware Troubleshooting, Computer Architecture, Networking Hardware, Display Devices, USB, Performance Analysis, General Networking, Data Storage, Computer Networking, Wireless Networks, Data Storage Technologies
Beginner · Course · 1 - 3 Months

Skills you'll gain: Technical Drawing, Engineering Documentation, Engineering Drawings, Architectural Drawing, Geometric Dimensioning And Tolerancing
Beginner · Course · 1 - 4 Weeks

Logical Operations
Skills you'll gain: Presentations, Microsoft PowerPoint, Microsoft Office, Microsoft 365, Technical Communication, Productivity Software, Graphics Software, Public Speaking, Graphic and Visual Design, Communication, User Interface (UI), Organizational Skills, Professionalism, Productivity
Mixed · Course · 1 - 3 Months

Edureka
Skills you'll gain: LangChain, LangGraph, Model Context Protocol, AI Workflows, LLM Application, AI Orchestration, Agentic Workflows, Generative AI Agents, Tool Calling, Model Deployment, Data Transformation, Retrieval-Augmented Generation, Agentic systems, Generative AI, Middleware, Gemini, Scalability, Artificial Intelligence, Prompt Engineering, Responsible AI
Intermediate · Specialization · 3 - 6 Months

LearnQuest
Skills you'll gain: Sales Prospecting, Sales, Technical Sales, Sales Pipelines, Sales Strategy, Sales Presentations, Consultative Selling, Return On Investment, Customer Engagement, Needs Assessment, Customer Relationship Management (CRM) Software, Social Media, Relationship Building, Overcoming Objections
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Test Automation, Software Testing, System Testing, Database Design, Requirements Analysis, Test Case, Automation, Test Data, Enterprise Application Management, Databases, Application Design, Role-Based Access Control (RBAC)
Beginner · Course · 1 - 4 Weeks