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.

Duke University
Skills you'll gain: MySQL, Bash (Scripting Language), Scripting, Database Management, Relational Databases, Shell Script, Database Administration, Command-Line Interface, Operational Databases, SQL, Databases, Data Import/Export, Database Application, Data Pipelines, Data Manipulation, Python Programming, Data Processing, Linux
★ 4.2 (13) · Beginner · Guided Project · Less Than 2 Hours

Coursera
Skills you'll gain: Data-Driven Marketing, Google Ads, Google Analytics, Marketing Analytics, Data Integration, Web Analytics, Data Access
Beginner · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Health Equity, Health Disparities, Public Health and Disease Prevention, Public Health, Epidemiology, Social Determinants Of Health, Data Collection, Health Policy, Health Promotion, Health Informatics, Data Analysis, Research
★ 4.6 (9) · Beginner · Course · 1 - 4 Weeks

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

Amazon Web Services
Skills you'll gain: Amazon Bedrock, Prompt Engineering, Responsible AI, Generative AI Agents, Retrieval-Augmented Generation, Generative AI, Fine-tuning, LangChain, AI Workflows, Agentic Workflows, Model Training, Model Optimization, Large Language Modeling, Artificial Intelligence, Token Optimization, Transfer Learning, LLM Application, AI literacy, Amazon Web Services, Context Management
★ 4.6 (108) · Intermediate · Professional Certificate · 1 - 3 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

Skills you'll gain: Power BI, Data Ethics, Data Visualization Software, Data Analysis, Statistical Analysis, Correlation Analysis, Business Intelligence, Advanced Analytics, Data Analysis Expressions (DAX), Analytics, Analytical Skills, Data-Driven Decision-Making, Exploratory Data Analysis, Trend Analysis, Time Series Analysis and Forecasting, Spatial Data Analysis, Scatter Plots, Forecasting, Root Cause Analysis
★ 4.6 (39) · Beginner · Course · 1 - 4 Weeks

Fundação Instituto de Administração
Skills you'll gain: Strategic Marketing, Marketing Strategies, Marketing Analytics, Data-Driven Marketing, Digital Marketing, Data Visualization, Conversion Funnel Analysis, Consumer Behaviour, Sales Strategy, Marketing, Performance marketing, Marketing Planning, Marketing Strategy and Techniques, Marketing Operations, Data-Driven Decision-Making, Data Visualization Software, Customer Analysis, Customer Engagement, Market Analysis, Key Performance Indicators (KPIs)
★ 4.4 (9) · Beginner · Specialization · 3 - 6 Months

Fred Hutchinson Cancer Center
Skills you'll gain: Molecular Biology, Bioinformatics, Data Literacy, Science and Research, Data Analysis, Spatial Data Analysis, Scientific Methods, Data Processing, Cell Biology, Informatics, Biology, Data Collection
★ 3.4 (21) · Intermediate · Course · 1 - 3 Months

University of Glasgow
Skills you'll gain: Data-Driven Decision-Making, Strategic Decision-Making, Leadership Studies, Data Literacy, Organizational Leadership, Strategic Leadership, Leadership, Decision Making, Organizational Effectiveness, Digital Transformation, Leadership and Management, Leadership Development, Data Quality, Professional Development, Agile Methodology, Storytelling, Organizational Structure, Portfolio Management, Critical Thinking
★ 4.6 (108) · Intermediate · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Integral Calculus, Calculus, Advanced Mathematics, Applied Mathematics, Graphing, Geometry
★ 4.7 (52) · Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Data Manipulation, Tidyverse (R Package), Data Wrangling, Data Analysis, R Programming, R (Software), Data Transformation, Statistical Analysis
★ 4.6 (22) · Beginner · Guided Project · Less Than 2 Hours