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.

Skills you'll gain: PySpark, Apache Spark, Scala Programming, Extract, Transform, Load, Data Pipelines, Customer Analysis, Apache Hadoop, Data Processing, Advanced Analytics, Big Data, Apache Maven, Statistical Modeling, Data Engineering, Text Mining, Customer Insights, Data Transformation, Data Analysis, MySQL, Apache, Python Programming
★ 4.6 (109) · Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Application Security, Data Security, Information Systems Security, Internet Of Things, Threat Modeling, Cybersecurity, Cloud Security, Security Engineering, Cryptography, Secure Coding, Network Security, Cyber Attacks, Mobile Security, Vulnerability, Risk Management Framework, Threat Management, Encryption, Cloud Services, Web Applications, Cloud Platforms
★ 4.5 (13) · Mixed · Course · 1 - 4 Weeks
CertNexus
Skills you'll gain: Data Analysis, Data Preprocessing, Data Visualization, Statistical Analysis, Exploratory Data Analysis, Statistical Visualization, Statistical Methods, Analytical Skills, Descriptive Analytics, Data Processing, Data Wrangling, Data Transformation, Probability & Statistics, Descriptive Statistics, Data Cleansing, Histogram, Data Manipulation, Scatter Plots, Applied Machine Learning
★ 4.8 (21) · Intermediate · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Descriptive Statistics, Statistical Visualization, Data Transformation, Data Cleansing, Probability, Box Plots, Histogram, Probability Distribution, Probability & Statistics, Scatter Plots, Statistics, Microsoft Excel, Excel Formulas, Data Analysis, Statistical Methods, Spreadsheet Software, Bayesian Statistics
★ 4.5 (43) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Prompt Engineering, Plot (Graphics), Prompt Engineering Tools, Large Language Modeling, Text Mining, Retrieval-Augmented Generation, Model Optimization, Data Visualization Software, Fine-tuning, Unstructured Data, Data Processing, Data Analysis
★ 5 (8) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Apache Hive, Database Management, SQL, Database Management Systems, Big Data, Database Systems, Amazon Web Services, Databases, Data Management, Amazon S3, Apache Hadoop, Data Storage, Query Languages, Data Storage Technologies, Cloud Storage, Extract, Transform, Load, Data Import/Export, Performance Tuning, File Systems, File Management
★ 4.7 (299) · Beginner · Course · 1 - 3 Months
University of Illinois Urbana-Champaign
Skills you'll gain: Data Visualization, Data Literacy, Tableau Software, Data Presentation, Interactive Data Visualization, Data Visualization Software, Excel Macros, Analytics, Accounting Software, Specialized Accounting, Analytical Skills, Accounting Systems, Business Analytics, Microsoft Excel, Spreadsheet Software, Data Collection, Data-Driven Decision-Making, Data Analysis, Predictive Analytics, Data Architecture
★ 4.8 (458) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Real Time Data, Classification Algorithms, File I/O, Color Matching
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Tableau Software, Business Intelligence, Business Intelligence Software, Interactive Data Visualization, Business Analytics, Data Visualization Software, Dashboard, Agentic Workflows, Dashboard Creation, Data Storytelling, Data Analysis, Data Modeling, Extract, Transform, Load, Predictive Analytics, Exploratory Data Analysis, Data Governance, Data Transformation, Data Preprocessing, Correlation Analysis, Data Security
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Data Storytelling, Data Presentation, Data-Driven Decision-Making, Data Visualization, Interactive Data Visualization, Dashboard, Dashboard Creation, Data Visualization Software, Tableau Software, Exploratory Data Analysis
★ 4.5 (53) · Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Data Ethics, Data Quality, Data Sharing, Information Privacy, Data Analysis, Data Access, Informed Consent
★ 4.8 (13) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Extract, Transform, Load, Power BI, Data Transformation, Data Wrangling, Data Cleansing, Query Languages, Data Integration, Data Processing, Data Import/Export, Data Store, Data Quality, Data Analysis, Data Integrity, Anomaly Detection, Data Storage
★ 4.5 (22) · Beginner · Course · 1 - 4 Weeks