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.

Northeastern University
Skills you'll gain: Data Warehousing, Extract, Transform, Load, Data Integration, Data Modeling, Data Architecture, Data Governance, Database Design, Operational Data Store, Data Management, SQL, Relational Databases, Query Languages, Data Mining, Data Quality, Data Analysis
Mixed · Course · 1 - 3 Months

Whizlabs
Skills you'll gain: Serverless Computing, Amazon Web Services, AWS Kinesis, Cloud Computing Architecture, Solution Architecture, Containerization, Data Migration, Cloud Deployment, Data Pipelines, Data Import/Export
Intermediate · Course · 1 - 4 Weeks

DeepLearning.AI
Skills you'll gain: AI Workflows, Agentic Workflows, LangGraph, AI Orchestration, Data Visualization, Prompt Engineering, Generative AI Agents, Model Evaluation, LLM Application, Tool Calling, Retrieval-Augmented Generation, Agentic systems, Generative AI, Large Language Modeling
Intermediate · Project · Less Than 2 Hours

University of Pittsburgh
Skills you'll gain: Statistical Analysis, NumPy, Probability Distribution, Matplotlib, Plot (Graphics), Statistics, Data Science, Probability & Statistics, Probability, Statistical Modeling, Predictive Modeling, Data Analysis, Linear Algebra, Predictive Analytics, Statistical Methods, Mathematics and Mathematical Modeling, Applied Mathematics, Python Programming, Machine Learning, Logical Reasoning
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Design Thinking, Market Opportunities, Data Integration, Data Engineering, Data Science, Analytical Skills, Data Pipelines, Data Validation, Extract, Transform, Load, Data Processing, Workflow Management, Process Modeling, Data Cleansing, Data Quality, Data Collection, Business Priorities, NumPy, Machine Learning, Python Programming
Intermediate · Course · 1 - 4 Weeks

IE Business School
Skills you'll gain: Surveys, Survey Creation, Market Research, Business Research, Consumer Behaviour, Data Analysis, Marketing, Marketing Psychology, Research Methodologies, Data Collection, Marketing Strategies, Research Design, Target Market, Customer Insights, Customer Analysis, Decision Making, Psychology
Beginner · Course · 1 - 4 Weeks

Princeton University
Skills you'll gain: Blockchain, Cryptography, Cryptographic Protocols, Encryption, Payment Systems, FinTech, Public Key Cryptography Standards (PKCS), Key Management, Application Security, Digital Assets, Network Protocols, Transaction Processing, Distributed Computing, Emerging Technologies, Scripting, Application Specific Integrated Circuits, Data Structures, Financial Policy, Financial Regulation, Market Dynamics
Mixed · Course · 1 - 3 Months

John Wiley & Sons
Skills you'll gain: Tableau Software, Data Storytelling, Data Cleansing, Data Visualization Software, Data Wrangling, Dashboard, Dashboard Creation, Data Presentation, Data Visualization, Data Transformation, Interactive Data Visualization, Data Manipulation, Data Modeling, Statistical Visualization, Data Preprocessing, Power BI, Plot (Graphics), Data Analysis, SQL, Python Programming
Intermediate · Course · 1 - 3 Months

Skills you'll gain: AWS Kinesis, Amazon DynamoDB, Amazon S3, Amazon Web Services, Data Pipelines, Amazon CloudWatch, Cloud Storage, Database Development, Real Time Data, Data Storage, Data Management, Cloud Security, Encryption, Scalability
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Exploratory Data Analysis, Data Presentation, Probability Distribution, Statistical Hypothesis Testing, Data Visualization Software, Dashboard Creation, Dashboard, Data Analysis, Data Science, Probability & Statistics, Statistical Methods, Statistical Analysis, Jupyter, Matplotlib, Data Preprocessing, Data Cleansing, Pandas (Python Package), Statistical Inference, Python Programming, Machine Learning
Advanced · Course · 1 - 4 Weeks

Duke University
Skills you'll gain: Web Scraping, Data Ethics, Data Transformation, Tidyverse (R Package), Data Wrangling, Data Cleansing, Data Manipulation, Data Collection, Data Pipelines, Data Preprocessing, Data Integration, R (Software), R Programming, Exploratory Data Analysis, Statistical Programming
Beginner · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Medical Billing and Coding, Denial Management, Patient Registration, Revenue Cycle Management, ICD Coding (ICD-9/ICD-10), Claims Processing, Payment Processing and Collection, Registration, CPT Coding, Medical Billing, Medical Coding, Billing, Insurance, Insurance Policies, Revenue Management
Beginner · Course · 1 - 4 Weeks