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.

Johns Hopkins University
Skills you'll gain: Rmarkdown, Shiny (R Package), Ggplot2, Tidyverse (R Package), Data Visualization, Spatial Data Analysis, Statistical Visualization, Scatter Plots, Plot (Graphics), Dashboard, Data Import/Export, Interactive Data Visualization, R Programming, Data Visualization Software, Geospatial Information and Technology, Data Literacy, Statistical Reporting, Storyboarding, Data Science, Data Analysis
Beginner · Specialization · 3 - 6 Months

Coursera
Skills you'll gain: PySpark, Matplotlib, Apache Spark, Big Data, Data Processing, Distributed Computing, Data Management, Data Visualization, Data Analysis, Data Manipulation, Data Cleansing, Query Languages, Python Programming
Intermediate · Guided Project · Less Than 2 Hours
Duke University
Skills you'll gain: Data Ethics, Exploratory Data Analysis, Data-Driven Decision-Making, Logistic Regression, Statistical Modeling, Web Scraping, Ggplot2, Model Evaluation, Data Visualization Software, Predictive Modeling, Tidyverse (R Package), Data Visualization, Data Analysis, Regression Analysis, Responsible AI, Data Transformation, R Programming, Data Science, Data Wrangling, Version Control
Beginner · Specialization · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Ggplot2, Data Visualization Software, Data Visualization, Datamaps, Visualization (Computer Graphics), Interactive Data Visualization, Scatter Plots, Histogram, Graphic and Visual Design, R Programming, Geospatial Mapping
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Network Troubleshooting, Network Security, OSI Models, Network Monitoring, Network Architecture, Computer Networking, TCP/IP, General Networking, Local Area Networks, Network Analysis, Network Protocols, Network Infrastructure, Software-Defined Networking, Network Administration, Networking Hardware, Network Switches
Build toward a degree
Beginner · Course · 1 - 3 Months
University of Leeds
Skills you'll gain: General Science and Research, Analytical Skills, Data Science, Technical Communication, Record Keeping, Critical Thinking, Analysis, Personal Development, Technical Writing
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Database Design, Data Warehousing, Apache Spark, Data Architecture, SQL, Data Transformation, Performance Tuning, Disaster Recovery, Database Management, PySpark, Query Languages, Infrastructure as Code (IaC), Cloud Computing Architecture, Distributed Computing, Scalability, Data Pipelines, Performance Analysis, Root Cause Analysis, Cost Management, Resource Management
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Object Oriented Programming (OOP), Data Structures, Data Cleansing, Python Programming, Data Analysis, NumPy, Pandas (Python Package), Data Manipulation, Programming Principles, Scripting, Algorithms
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Snowflake Schema, Data Pipelines, Apache Airflow, Data Security, Data Governance, Extract, Transform, Load, Apache Kafka, Performance Tuning, Data Warehousing, Amazon S3, Amazon Web Services, Real Time Data, SQL
Intermediate · Course · 3 - 6 Months
University of California, Irvine
Skills you'll gain: Verbal Communication Skills, Presentations, Public Speaking, Discussion Facilitation, Non-Verbal Communication, Oral Comprehension, English Language, Peer Review, Active Listening, Communication, Social Skills, Constructive Feedback, Interpersonal Communications, Persuasive Communication, Driving engagement, Student Engagement, Collaboration, Planning, Critical Thinking, Vocabulary
Intermediate · Specialization · 3 - 6 Months

Amazon Web Services
Skills you'll gain: Artificial Intelligence and Machine Learning (AI/ML), Generative AI, Deep Learning, AI Enablement, Artificial Intelligence, Amazon Web Services, Applied Machine Learning, Machine Learning, Digital Transformation
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Core Data (Software), Apple iOS, Mobile Development, Apple Xcode, Data Modeling, Secure Coding, Data Persistence, Game Design, Swift Programming, Application Design, User Interface (UI), User Interface (UI) Design, Debugging
Beginner · Course · 1 - 4 Weeks