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.

Packt
Skills you'll gain: Secure Coding, API Testing, Application Programming Interface (API), Security Testing, Open Web Application Security Project (OWASP), Penetration Testing, Application Security, Restful API, Authentications, Personally Identifiable Information, Brute-force attacks, Security Engineering, Threat Modeling, Distributed Denial-Of-Service (DDoS) Attacks, Vulnerability Assessments, Exploitation techniques, Data Security, Business Logic, Authorization (Computing), Cybersecurity
Intermediate · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Control Systems, Vibrations, Torque (Physics), Mathematical Modeling, Differential Equations, Simulation and Simulation Software, Applied Mathematics, Mechanics
Advanced · Course · 1 - 4 Weeks

28DIGITAL
Skills you'll gain: Real-Time Operating Systems, Embedded Systems, Embedded Software, Internet Of Things, Security Requirements Analysis, Network Architecture, Network Security, Operating Systems, Cybersecurity, Web Services, Encryption, Network Protocols, Public Key Cryptography Standards (PKCS), System Programming, Simple Object Access Protocol (SOAP), Application Development, System Requirements, C (Programming Language), System Design and Implementation, Software Development
Intermediate · Specialization · 3 - 6 Months

University of Colorado Boulder
Skills you'll gain: Electrical Engineering, Numerical Analysis, Linear Algebra, Physics, Angular, Engineering Calculations, Applied Mathematics, Advanced Mathematics, Mathematical Modeling, Calculus, Differential Equations, Physical Science
Build toward a degree
Intermediate · Specialization · 1 - 3 Months

Coursera
Skills you'll gain: Email Marketing, Compliance Auditing, Compliance Management, Regulation and Legal Compliance, Compliance Training, Law, Regulation, and Compliance, Legal Risk, Regulatory Requirements, Marketing Effectiveness, Customer Relationship Building
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Risk Analysis, Lending and Underwriting, Financial Analysis, Financial Market, Commercial Lending, Financial Regulation, Working Capital, Bank Regulations, Portfolio Management, Balance Sheet
Beginner · Course · 1 - 3 Months

Skills you'll gain: Vue.JS, Web Components, Unit Testing, JavaScript Frameworks, Software Architecture, Software Testing, Development Testing, UI Components, Web Applications, Front-End Web Development, Web Development, Javascript, HTML and CSS, Data Validation
Intermediate · Course · 3 - 6 Months

Skills you'll gain: User Interface (UI) Design, Human Computer Interaction, Interactive Design, Usability, Software Design, Application Development, Software Architecture
Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Video Editing, TikTok, Content Performance Analysis, Canva (Software), Photo/Video Production and Technology, Graphic and Visual Design, Graphic Design, ChatGPT, Target Audience, Graphics Software, Cinematography, Storytelling, Social Media Content, Content Creation, Driving engagement, Videography, Social Media Strategy, Analytics, Video Production, Marketing
Beginner · Specialization · 3 - 6 Months

John Wiley & Sons
Beginner · Course · 3 - 6 Months

Pragmatic AI Labs
Skills you'll gain: CI/CD, Hugging Face, Continuous Deployment, Model Evaluation, Applied Machine Learning, Continuous Integration, Transfer Learning, Data Preprocessing, Model Deployment, Large Language Modeling, Data Pipelines, Natural Language Processing
Intermediate · Course · 1 - 4 Weeks

Logical Operations
Skills you'll gain: Excel Macros, Microsoft Excel, Visual Basic (Programming Language), Automation, Computer Programming Tools, Microsoft 365, Data Wrangling, Microsoft Office, Spreadsheet Software, Development Environment, Computer Programming, Data Science
Mixed · Course · 1 - 4 Weeks