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.

Board Infinity
Skills you'll gain: Quality Management, Quality Management Systems, ISO 9000 Series, Statistical Process Controls, Product Quality (QA/QC), Quality Improvement, Quality Monitoring, Quality Assessment, Service Improvement, Customer experience strategy (CX), Customer experience improvement, Quality Control, Continuous Quality Improvement (CQI), User Feedback, Product Improvement, Continuous Improvement Process, Technical Standard, Process Improvement
★ 4.3 (389) · Beginner · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Data Warehousing, Data Integration, Database Administration, SQL, Relational Databases, Data Analysis, Text Mining, Exploratory Data Analysis, Google Analytics
★ 4 (8) · Beginner · Project · Less Than 2 Hours

Skills you'll gain: Data-Driven Decision-Making, Data-Driven Marketing, Spreadsheet Software, Campaign Management, Marketing Channel, Microsoft Excel, Looker (Software), Marketing Analytics, Data Storytelling, Data Quality, Data Cleansing, Performance Reporting, Snowflake Schema, Excel Formulas, Pivot Tables And Charts, Data Visualization, Key Performance Indicators (KPIs), Data Modeling, SQL, Business Intelligence
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Performance Reporting, Marketing Analytics, Business Intelligence, Business Intelligence Software, Dashboard Creation, Data-Driven Marketing, Data Visualization Software, Dashboard, Data Presentation, Power BI, Analytics, Tableau Software, IBM Cognos Analytics, Grafana, Data Integration, Splunk
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: OAuth, JSON, Data Wrangling, Application Programming Interface (API), Secure Coding, Application Security
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Data Security, Cryptography, Information Systems Security, Security Controls, Cryptographic Protocols, Security Management, Data Access, Vulnerability Assessments, Encryption, Threat Modeling, Vulnerability Management, Big Data, Authorization (Computing), Identity and Access Management
★ 4.7 (587) · Beginner · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Data Mining, Data Pipelines, Analytical Skills, Data Preprocessing, Ideation, Exploratory Data Analysis, Model Evaluation, Technical Writing, Technical Communication
★ 4.4 (33) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: MySQL, Business Intelligence, Role-Based Access Control (RBAC), SQL, Relational Databases, Database Software, Data Presentation, Database Management Systems, Data Visualization Software, Database Management, Databases, Data Access, Authorization (Computing), Query Languages, Performance Tuning
★ 4.1 (35) · Beginner · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Statistical Hypothesis Testing, Statistical Methods, Probability & Statistics, Data Ethics, Statistical Analysis, Statistical Inference, Statistics, Sample Size Determination, Sampling (Statistics), Probability Distribution
★ 4.6 (55) · Intermediate · Course · 1 - 3 Months
Johns Hopkins University
Skills you'll gain: Rmarkdown, Exploratory Data Analysis, R (Software), Version Control, Statistical Analysis, R Programming, Data Manipulation, Data Cleansing, Data Science, Data Wrangling, Data Visualization, Data Processing, Plot (Graphics), Statistical Programming, Statistical Visualization, Ggplot2, Knitr, Data Sharing, GitHub, Machine Learning
★ 4.6 (48K) · Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Prompt Engineering, Prompt Patterns, ChatGPT, Generative AI, Exploratory Data Analysis, Generative Model Architectures, Generative Adversarial Networks (GANs), Data Ethics, Feature Engineering, AI literacy, Predictive Modeling, Responsible AI, Artificial Intelligence and Machine Learning (AI/ML), Data Science, Data Synthesis, Data Analysis, Data Visualization Software, Augmented and Virtual Reality (AR/VR), Model Evaluation, Machine Learning
★ 4.7 (12K) · Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Data Flow Diagrams (DFDs), Apache Airflow, Data Pipelines, Diagram Design, Dataflow, Data Mapping, Data Modeling, Data Integration, Data Architecture, Data Warehousing, Apache Spark, Extract, Transform, Load, Database Development, Data Processing, Data Transformation, Service Level, Enterprise Security
Beginner · Course · 1 - 3 Months