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.

Coursera
Skills you'll gain: Data Storytelling, Data Presentation, Data Visualization, Data Visualization Software, Scatter Plots, Technical Communication, Histogram
Beginner · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Apache Hadoop, Apache Hive, Big Data, Apache Spark, NoSQL, Data Management, Data Processing, Databases, SQL, Query Languages, Data Manipulation, Scripting Languages, Data Transformation, Distributed Computing
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Extract, Transform, Load, SQL, Data Transformation, Data Pipelines, Stored Procedure, Query Languages, Data Manipulation, Performance Tuning, Scripting, Database Management
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Cloud Security, Data Loss Prevention, Data Security, Personally Identifiable Information, Information Privacy, Cloud Computing, Google Cloud Platform, Cloud Services
Beginner · Project · Less Than 2 Hours

University of Colorado Boulder
Skills you'll gain: Data Security, Cybersecurity, Data Ethics, Authentications, Data Encryption Standard, Computer Security Awareness Training, Cryptography, Information Assurance, Cyber Security Policies, Cyber Threat Intelligence, Authorization (Computing), Security Controls, Information Privacy, Encryption, Security Awareness, Human Factors (Security), Risk Analysis, Problem Solving, Communication
Build toward a degree
Beginner · Course · 1 - 3 Months

Whizlabs
Skills you'll gain: Data Governance, Extract, Transform, Load, Metadata Management, Role-Based Access Control (RBAC), Data Cleansing, Databricks, Data Management, Data Pipelines, Data Lakes, Amazon Web Services, Amazon Redshift, Data Security, Personally Identifiable Information, Data Warehousing, Data Quality, General Data Protection Regulation (GDPR), Data Integration, Data Validation, Fraud detection
Intermediate · Course · 1 - 4 Weeks

Amazon Web Services
Skills you'll gain: Amazon Bedrock, Prompt Engineering, Responsible AI, Generative AI Agents, Retrieval-Augmented Generation, Generative AI, LangChain, AI Workflows, AI Orchestration, Artificial Intelligence and Machine Learning (AI/ML), Large Language Modeling, Applied Machine Learning, Transfer Learning, LLM Application, Embeddings, Amazon Web Services, Context Management, Model Deployment, Amazon S3, Model Evaluation
Intermediate · Professional Certificate · 1 - 3 Months

Skills you'll gain: Matplotlib, Data Storytelling, Data Presentation, Scientific Visualization, Visualization (Computer Graphics), Plot (Graphics), Data Visualization, Data Preprocessing, Statistical Visualization, Box Plots, E-Commerce, Business Analytics, Data Visualization Software, Scatter Plots, Histogram, Data Analysis, Exploratory Data Analysis, Pandas (Python Package), Image Quality, Python Programming
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Data Storytelling, Tableau Software, Dashboard, Market Data, Data-Driven Decision-Making, Data Presentation, Feature Engineering, Analytical Skills, Data Ethics, Data Visualization, Exploratory Data Analysis, Data Visualization Software, Case Studies, Business Intelligence, Business Analytics, Financial Market, Interactive Data Visualization, Data Analysis, Financial Data, Financial Analysis
Beginner · Specialization · 1 - 3 Months
University of Illinois Urbana-Champaign
Skills you'll gain: Matplotlib, Pandas (Python Package), Seaborn, SQL, Data Visualization, Data Preprocessing, Jupyter, Data Manipulation, NumPy, Regression Analysis, Accounting, Database Management, Analytics, Descriptive Statistics, Relational Databases, Statistical Analysis, Python Programming, Data Analysis Software, Data Structures
Build toward a degree
Intermediate · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Linear Algebra, Applied Mathematics, Data Science, Data Analysis, Statistical Methods, Algebra, Numerical Analysis
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Dataflow, Serverless Computing, Identity and Access Management, Data Infrastructure, Data Pipelines, Cloud Security, Cloud Computing, Data Processing, Data Storage Technologies, Containerization, Interoperability
Intermediate · Course · 1 - 3 Months