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.

Universidad Nacional Autónoma de México
Skills you'll gain: NoSQL, Database Systems, MongoDB, Database Management Systems, Databases, Database Design, Relational Databases, Query Languages, Apache Cassandra, Data Storage Technologies, Scalability, Graph Theory, Unstructured Data, Maintainability
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Journals, Music Theory, Music, Instrumental Music, Music Performance, Creativity, Coordination
Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Vector Databases, Query Languages, Embeddings, Database Management, Docker (Software), Data Management, Data Mapping, Configuration Management, Restful API, Application Programming Interface (API)
Intermediate · Course · 1 - 4 Weeks

University of Pennsylvania
Skills you'll gain: Labor Law, Contract Review, Arbitration, Contract Negotiation, Law, Regulation, and Compliance, Contract Compliance, Workers Compensation, Legal Risk, Compensation Management, Case Law
Intermediate · Course · 1 - 4 Weeks

University of Minnesota
Skills you'll gain: Human Resource Strategy, Human Resources, Human Capital, Compensation Management, Resource Management, People Management, Employee Performance Management, Labor Law, Industrial and Organizational Psychology, Employee Engagement
Mixed · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Email Automation, Workflow Management, AI Workflows, No-Code Development, Deepseek, Large Language Modeling, Generative AI, Automation, Model Deployment, Data Analysis, Google Sheets, Data Processing, Gmail
Beginner · Course · 1 - 4 Weeks

University of London
Skills you'll gain: Public History, Storytelling, Program Evaluation, Media and Communications, Research, Community Outreach, Timelines, Case Studies, Cultural Diversity, Research Methodologies, Creativity, Interviewing Skills
Beginner · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Network Analysis, Unsupervised Learning, Social Network Analysis, Supervised Learning, Unstructured Data, Marketing Analytics, Deep Learning, Scikit Learn (Machine Learning Library), Machine Learning, Tensorflow, Machine Learning Algorithms, Text Mining, Data Analysis, Model Evaluation, Transfer Learning, Semantic Web, JSON, Statistical Methods, Data Manipulation, Data Structures
Build toward a degree
Beginner · Specialization · 3 - 6 Months

MathWorks
Skills you'll gain: Image Analysis, Computer Vision, Matlab, Geospatial Information and Technology, Medical Imaging, Estimation, Artificial Intelligence and Machine Learning (AI/ML), Algorithms
Intermediate · Course · 1 - 4 Weeks

Universidad de los Andes
Skills you'll gain: Probability, Probability Distribution, Applied Mathematics, Statistics, Risk Management, Risk Modeling, Combinatorics, Descriptive Statistics
Intermediate · Course · 1 - 4 Weeks

Packt
Skills you'll gain: Alteryx, Spatial Analysis, Data Cleansing, Data Import/Export, Data Manipulation, Geographic Information Systems, Data Wrangling, Data Preprocessing, Data Integration, Data Transformation, Data Analysis, Microsoft Excel, Text Mining, Data Visualization Software, Excel Formulas
Beginner · Course · 3 - 6 Months

Michigan State University
Skills you'll gain: Fundraising and Crowdsourcing, Grant Writing, Fundraising, Digital Media Strategy, Proposal Writing, Campaign Management, Social Media, Social Media Strategy, Stakeholder Engagement, Brand Marketing, Content Strategy, Content Creation
Beginner · Course · 1 - 3 Months