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.

Scrimba
Skills you'll gain: Vibe coding, Model Context Protocol, Context Management, Context Engineering, AI Workflows, Integrated Development Environments, AI Integrations, Software Installation, Agentic Workflows, Code Review, System Configuration, Debugging, Generative AI Agents, Web Development Tools, Software Development, User Interface (UI), Web Development
Intermediate · Course · 1 - 3 Months

Pontificia Universidad Católica de Chile
Skills you'll gain: Oral Comprehension, Telephone Skills, English Language, Bilingual (Spanish/English), Language Competency, Vocabulary, Oral Expression, Verbal Communication Skills, Business Correspondence, Interpersonal Communications, Business Communication, Grammar, Language Learning, Writing
Mixed · Course · 1 - 3 Months

Skills you'll gain: Process Modeling, Process Mapping, Business Process Modeling, Process Analysis, Business Analysis, Data Storytelling, Business Analysis Tools, Business Process Improvement, Feasibility Studies, Systems Analysis, Stakeholder Analysis, Process Optimization, Requirements Management, Business Systems Analysis, Systems Design, Communication Planning, Test Planning, Information Technology, Database Management, Agile Methodology
Beginner · Professional Certificate · 3 - 6 Months

Berklee
Skills you'll gain: Musical Composition, Post-Production, Music, Media Production, Video Editing, Music Performance, Editing, Automation, Electronic Media
Intermediate · Course · 1 - 4 Weeks

Wesleyan University
Skills you'll gain: Social Sciences, Psychology, Persuasive Communication, Social Studies, Sociology, Social Justice, Empathy & Emotional Intelligence, Behavior Management, Conflict Management, Research, Diversity Awareness, Research Methodologies, Decision Intelligence, Experimentation
Beginner · Course · 1 - 3 Months

LearnQuest
Skills you'll gain: Data Preprocessing, Applied Machine Learning, Data Processing, Dimensionality Reduction, Data Cleansing, Machine Learning Algorithms, Data Transformation, Machine Learning Methods, Artificial Neural Networks, Random Forest Algorithm, Artificial Intelligence and Machine Learning (AI/ML), Machine Learning, Unsupervised Learning, Supervised Learning, Classification Algorithms, Predictive Modeling, Python Programming
Intermediate · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Bayesian Network, Bayesian Statistics, Reinforcement Learning, Probability, Probability & Statistics, Decision Intelligence, Probability Distribution, Markov Model, Agentic systems, Artificial Intelligence, Machine Learning Methods, Statistical Inference, Applied Machine Learning, Statistical Machine Learning, Time Series Analysis and Forecasting, Algorithms
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Model Optimization, Model Evaluation, Large Language Modeling, Data Preprocessing, Model Training, Fine-tuning, Data Cleansing, PyTorch (Machine Learning Library), Transfer Learning, Deep Learning, Natural Language Processing, Exploratory Data Analysis, Test Data, Machine Learning
Intermediate · Guided Project · Less Than 2 Hours

Kennesaw State University
Skills you'll gain: Statistical Process Controls, Statistical Hypothesis Testing, Process Capability, Team Management, Team Performance Management, Quality Improvement, Root Cause Analysis, Six Sigma Methodology, Lean Six Sigma, Lean Methodologies, Team Building, Exploratory Data Analysis, Process Improvement, Quality Control, Probability & Statistics, Probability Distribution, Process Improvement and Optimization, Statistical Methods, Process Analysis, Data Literacy
Intermediate · Specialization · 3 - 6 Months

Board Infinity
Skills you'll gain: Vocabulary, Critical Thinking and Problem Solving, Logical Reasoning, Analytical Skills, Critical Thinking, Deductive Reasoning, Arithmetic, Problem Solving, Data Literacy, Grammar, Language Competency, English Language, Data Analysis, Literacy, Complex Problem Solving, Learning Strategies, Trend Analysis, Data Synthesis, Applied Mathematics, Algebra
Beginner · Specialization · 3 - 6 Months
University of Leeds
Skills you'll gain: Program Management, Project Portfolio Management, Engineering Management, Project Management, Project Management Life Cycle, Project Performance, Project Risk Management, Cost Management, Portfolio Management, Timelines, Case Studies, Research, Presentations
Intermediate · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: GitHub, Unix Shell, Unix, Git (Version Control System), Unix Commands, Version Control, Bash (Scripting Language), grep, Cloud Hosting, Ubuntu, Command-Line Interface, Cloud Computing, Shell Script, Linux, Mac OS, Scripting, Scripting Languages, File Management
Beginner · Course · 1 - 3 Months