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: Content Performance Analysis, Content Marketing, Content Strategy, Content Optimization, Data-Driven Marketing, Content Development and Management, Marketing Effectiveness, Strategic Prioritization, Business Priorities, Target Audience, Marketing Planning, Content Creation, Prioritization, Persona Development, Performance Measurement, Data-Driven Decision-Making, Content Management, Web Analytics, Business Metrics, Key Performance Indicators (KPIs)
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Distributed Denial-Of-Service (DDoS) Attacks, Azure Active Directory, Microsoft Azure, Cyber Security Policies, Cloud Security, Firewall, Cyber Attacks, Cybersecurity, Malware Protection, Cyber Threat Intelligence, Identity and Access Management, Network Security, Endpoint Detection and Response, Threat Management, Endpoint Security, Security Information and Event Management (SIEM), Threat Detection, Security Controls, Intrusion Detection and Prevention, Event Management
★ 5 (7) · Beginner · Course · 1 - 4 Weeks

Huddersfield Sandbox
Skills you'll gain: Journalism, Data Ethics, Media and Communications, Ethical Standards And Conduct, Content Creation, Responsible AI, Working With Children, AI literacy, Diversity Awareness, Intellectual Property, Cultural Diversity
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Spring Framework, Hibernate (Java), Java Programming, Spring Boot, Java, Object-Relational Mapping, Database Management, Application Frameworks, Data Access, Apache Maven, SQL, Object Oriented Programming (OOP), Data Persistence, Functional Design
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: AI Workflows, Tool Calling, OAuth, Model Context Protocol, AI Orchestration, AI Integrations, Generative AI Agents, Interoperability, Agentic Workflows, Application Programming Interface (API), Agentic systems, Authentications, Real Time Data, Data Persistence, Context Management, Software Design Patterns, Authorization (Computing)
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: User Research, UI/UX Research, User Interface and User Experience (UI/UX) Design, User Interface (UI), User Experience, UI/UX Strategy, Persona (User Experience), User Centered Design, Usability, User Flows, User Interface (UI) Design, Responsive Web Design, Graphic and Visual Design, Interactive Design, Interaction Design, Layout Design, Design Elements And Principles, Typography, Prototyping
★ 4.3 (18) · Beginner · Course · 1 - 4 Weeks

John Wiley & Sons
Skills you'll gain: Mergers & Acquisitions, Business Valuation, Financial Forecasting, Environmental Social And Corporate Governance (ESG), Forecasting, Risk Management, Corporate Strategy, Revenue Forecasting, Corporate Finance, Equities, Cash Flow Forecasting, Business Analytics, Corporate Sustainability, Financial Statement Analysis, Financial Management, Financial Modeling, Finance, Financial Analysis, Financial Acumen, Performance Management
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Extensible Markup Language (XML), Ajax, Extensible Languages and XML, Web Design and Development, Java Platform Enterprise Edition (J2EE), jQuery, Cascading Style Sheets (CSS), Data Validation, Web Applications, Scripting Languages, Javascript and jQuery, Web Development, Hypertext Markup Language (HTML), Middleware, Model View Controller, Web Services, Interoperability, Java, Computer Graphic Techniques, Scalability
★ 4.5 (73) · Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Insurance, Underwriting, Insurance Policies, Actuarial Science, Insurance and Warranty Claims Processing, Claims Processing, Financial Services, Risk Management, Risk Analysis, Financial Planning, Legal Risk, Lending and Underwriting, Risk Mitigation, Finance
Mixed · Course · 1 - 3 Months

Politecnico di Milano
Skills you'll gain: Application Specific Integrated Circuits, Systems Design, Computer Architecture, System Design and Implementation, Hardware Architecture, Cloud Infrastructure, Distributed Computing, Computer Systems, Computing Platforms, System Configuration, Computational Logic, Design Software
★ 4.6 (247) · Beginner · Course · 1 - 3 Months

University of London
Skills you'll gain: Oral Expression, Rapport Building, Emotional Intelligence, Personal Attributes, Verbal Communication Skills, Relationship Building, Non-Verbal Communication, Self-Awareness, Communication, Communication Strategies, Interpersonal Communications, Personal Development, Executive Presence, Adaptability
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Ajax, Build Tools, Object Oriented Design, Test Script Development, Web Development Tools, Software Design Patterns, Test Data, Scripting, Test Tools, Data Structures, Package and Software Management, Code Reusability, File I/O, Data Access, Automation, Cascading Style Sheets (CSS)
★ 4.4 (11) · Intermediate · Specialization · 3 - 6 Months