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.

Macquarie University
Skills you'll gain: Identity and Access Management, Cryptography, AWS Identity and Access Management (IAM), Data Security, Authentications, Threat Detection, Cybersecurity, Encryption, Network Security, Data Management, Azure Active Directory, Cyber Attacks, Cyber Security Strategy, Security Engineering, Security Management, Network Protocols, Okta, Cyber Risk, Computer Security, Security Awareness
★ 4.6 (25) · Intermediate · Specialization · 3 - 6 Months

Coursera
Skills you'll gain: Financial Statements, Dashboard, Variance Analysis, Resource Utilization, Financial Analysis, Pivot Tables And Charts, Excel Formulas, Financial Forecasting, Financial Modeling, Microsoft Excel, Performance Reporting, Data Validation, Spreadsheet Software, Financial Reporting, Auditing, Cost Management, Data Presentation, Data Storytelling, Business Intelligence, Performance Analysis
★ 3.5 (14) · Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Data Quality, Power BI, Data Analysis Expressions (DAX), Data Cleansing, Data Modeling, Data Management, Data Transformation, Data Preprocessing, Data Manipulation, Data Wrangling, Pandas (Python Package), Data Integration, Data Processing, Data Analysis, Data Visualization Software, Query Languages, Data Visualization
Beginner · Course · 3 - 6 Months

Skills you'll gain: Apache Hadoop, Apache, Data Infrastructure, NoSQL, Big Data, Database Management Systems, Databases, Unix Shell, Data Storage, Data Storage Technologies, Database Design, Software Installation, Data Access, Data Modeling, Data Persistence, Systems Integration, System Configuration, Command-Line Interface, Enterprise Application Management, Scalability
Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Data Lakes, Data Warehousing, Apache Hive, Data Pipelines, Analysis, Automation
Advanced · Course · 1 - 4 Weeks

Skills you'll gain: Data Lakes, Apache Spark, Databricks, Data Pipelines, PySpark, Business Intelligence, Data Warehousing, Data Architecture, Performance Tuning, Data Governance, Transaction Processing, GitHub, Dashboard, Version Control, Data Integration, Data Transformation, Data Cleansing, Analytics, Git (Version Control System), Scalability
Intermediate · Course · 1 - 3 Months

University of California, Davis
Skills you'll gain: Data Governance, Data Quality, Data Integration, Data Dictionary, Data Validation, Health Informatics, Data Maintenance, Data Cleansing, Data Modeling, Extract, Transform, Load, Data Synthesis, Analytical Skills, Health Systems, Fraud detection, Data Management, Metadata Management, Health Care, Clinical Data Management, Data Mapping, Healthcare Industry Knowledge
★ 4.5 (321) · Intermediate · Specialization · 3 - 6 Months

Coursera
Skills you'll gain: Invoicing, Billing & Invoicing, Accounting Records, Billing, Excel Formulas, Spreadsheet Software, Tax Compliance, Payment Processing and Collection, Tax Management, Microsoft Excel, Regulation and Legal Compliance, Sales Tax, Regulatory Requirements, Automation
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Data Transformation, SPSS (Software), SPSS, Statistical Visualization, Statistical Analysis, Data Manipulation, Data Wrangling, Data Visualization Software, Statistical Methods, Data Processing, Data Analysis, Statistical Software, Data Import/Export, Descriptive Statistics, Data Analysis Software
★ 4.6 (18) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Extract, Transform, Load, Apache Spark, Data Pipelines, Data Integration, Big Data, Data Processing, Data Management
★ 4.5 (10) · Beginner · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Data Literacy, Data Analysis, Trend Analysis, Data Synthesis, Data-Driven Decision-Making, Analytics, Analytical Skills, Data Visualization, Graphing, Logical Reasoning, Descriptive Analytics, Arithmetic, Numerical Analysis
Beginner · Course · 1 - 4 Weeks

Edureka
Skills you'll gain: Dashboard Creation, Spreadsheet Software, Microsoft Excel
★ 4.6 (174) · Intermediate · Course · 1 - 3 Months