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.

Pragmatic AI Labs
Skills you'll gain: Claude Code, Infrastructure as Code (IaC), CI/CD, Bash (Scripting Language), PostgreSQL, Redis, Google Cloud Platform, Ubuntu, Agile Project Management, Continuous Integration, Prometheus (Software), Object Oriented Design, Data Pipelines, Linux Commands, SQL, Web Development Tools, Extract, Transform, Load, Amazon S3, Computational Logic, Software Development
★ 3.4 (8) · Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Microsoft Excel, Data Presentation, Interactive Data Visualization, Data Storytelling, Predictive Modeling, Data Visualization Software, Dashboard Creation, Data Synthesis, Spreadsheet Software, Microsoft Copilot, Excel Formulas, Data Analysis, Data-Driven Decision-Making, Forecasting, Prompt Engineering, Data Manipulation, Data Transformation
★ 4.9 (20) · Beginner · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Statistical Hypothesis Testing, Sampling (Statistics), Regression Analysis, Bayesian Statistics, Statistical Analysis, Probability & Statistics, Statistical Inference, Statistical Methods, Statistical Modeling, Linear Algebra, Probability, Probability Distribution, R Programming, Biostatistics, Data Analysis, Data Science, Statistics, Mathematical Modeling, Data Modeling, Applied Mathematics
★ 4.4 (800) · Advanced · Specialization · 3 - 6 Months

Skills you'll gain: Command-Line Interface, Go (Programming Language), Package and Software Management, Data Storage, Programming Principles, Code Reusability, Program Development, Other Programming Languages
★ 4.4 (9) · Beginner · Guided Project · Less Than 2 Hours

University of Colorado Boulder
Skills you'll gain: Data Visualization, Data Visualization Software, Interactive Data Visualization, Visualization (Computer Graphics), User Centered Design, Data Presentation, Usability, Human Centered Design, Design Research, User Research, Graphic and Visual Design, Usability Testing, Quantitative Research, Design Elements And Principles
★ 4.6 (44) · Intermediate · Course · 1 - 4 Weeks

L&T EduTech
Skills you'll gain: Oil and Gas, Petroleum Industry, Hazard Analysis, Safety Standards, Environmental Resource Management, Safety Assurance, Safety Training, Environment and Resource Management, Environmental Regulations, Environment Health And Safety, Environmental Science, Environmental Engineering and Restoration, Big Data, Plant Operations and Management, Energy and Utilities, Process Engineering, Environmental Engineering, Data Management, Pump Stations, Environmental Issue
★ 4.6 (240) · Advanced · Specialization · 3 - 6 Months

Skills you'll gain: Internet Of Things, TCP/IP, Network Protocols, Telecommunications, General Networking, Communication Systems, Wireless Networks, Distributed Computing, Cloud Services, Electrical Wiring, Cloud Storage, Microarchitecture, Field-Programmable Gate Array (FPGA), Restful API, Cloud Solutions, Electrical Equipment, Basic Electrical Systems, Power Electronics, Electrical Power, Electric Power Systems
Mixed · Course · 1 - 4 Weeks

John Wiley & Sons
Skills you'll gain: Run Chart, Data Collection, Pareto Chart, Health Care Administration, Clinical Leadership, Data Analysis, Quality Improvement, Continuous Quality Improvement (CQI), Data-Driven Decision-Making, Healthcare Project Management, Data Quality, Statistical Visualization, Exploratory Data Analysis, Statistical Analysis, Scatter Plots, Epidemiology, Health Care, Data Visualization, Decision Making, Healthcare Ethics
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Data Visualization, Exploratory Data Analysis, Interactive Data Visualization, Statistical Visualization, Scientific Visualization, Data Presentation, IBM Cognos Analytics, Data Storytelling, Data Analysis, Dashboard Creation, Data Visualization Software, Dashboard, Jupyter, Statistical Reporting, Scatter Plots, Analytics, Box Plots, Looker (Software), Data Wrangling, Data Collection
★ 4.7 (1.3K) · Advanced · Course · 1 - 3 Months

University of Leeds
Skills you'll gain: Jupyter, Programming Principles, Computer Programming Tools, Computer Programming, Python Programming, Software Installation, Data Structures, Data Science
★ 4.4 (30) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: PostgreSQL, Relational Databases, Database Design, Database Development, Database Management, SQL, Database Management Systems, Data Integrity, Query Languages, Business Intelligence, People Analytics, Analytics, Data Analysis, Transaction Processing, Data Manipulation, Data Validation, Software Installation
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Object Oriented Programming (OOP), Statistical Machine Learning, Object Oriented Design, Machine Learning Methods, Plot (Graphics), Data Visualization, Seaborn, Flask (Web Framework), Web Development, Computer Programming, Artificial Intelligence and Machine Learning (AI/ML), Programming Principles, Web Applications, Statistical Methods, Data Analysis Software, Back-End Web Development, Pandas (Python Package), Probability & Statistics, Application Development, Data Manipulation
Intermediate · Course · 1 - 3 Months