Programming languages courses can help you learn syntax, data structures, algorithms, and object-oriented programming. You can build skills in debugging, code optimization, and software development methodologies. Many courses introduce tools like Git for version control, integrated development environments (IDEs) such as Visual Studio Code, and frameworks like React or Django, that support creating robust applications and enhancing your coding efficiency.

University of California, Davis
Skills you'll gain: Threat Modeling, Secure Coding, Cryptography, Open Web Application Security Project (OWASP), Encryption, Application Security, Penetration Testing, Data Security, Exploitation techniques, Security Controls, Authentications, Vulnerability Management, Advanced Encryption Standard (AES), Personally Identifiable Information, Data Flow Diagrams (DFDs)
★ 4.6 (179) · Intermediate · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Recurrent Neural Networks (RNNs), Generative AI, Fine-tuning, Model Training, Vision Transformer (ViT), Model Optimization, Large Language Modeling, Embeddings, Network Architecture
★ 4.6 (78) · Intermediate · Specialization · 3 - 6 Months

Board Infinity
Skills you'll gain: Make.com, Email Automation, DeepSeek API, Deepseek, Agentic Workflows, AI Workflows, User Interface (UI), LLM Application, AI Integrations, Human Computer Interaction, No-Code Development, Retrieval-Augmented Generation, AI Product Strategy, Automation, Application Programming Interface (API), Workflow Management, Embeddings, Natural Language Processing, Prompt Engineering, Debugging
★ 4.1 (65) · Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Algorithms, Graph Theory, Data Structures, C++ (Programming Language), C and C++, Programming Principles, Computer Programming, Object Oriented Programming (OOP), Theoretical Computer Science
★ 4.1 (22) · Intermediate · Specialization · 1 - 3 Months

University of Minnesota
Skills you'll gain: Time Series Analysis and Forecasting, Model Evaluation, Predictive Modeling, Data Preprocessing, Model Training, Regression Analysis, Microsoft Excel, Forecasting, Excel Formulas, Pivot Tables And Charts, Data Manipulation, Data Transformation, Feature Engineering, Statistical Modeling, Spreadsheet Software, Predictive Analytics, Model Optimization, Data Cleansing, Statistical Methods
★ 4.8 (145) · Mixed · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Cryptography, Encryption, Python Programming, Data Security
★ 4.6 (16) · Intermediate · Guided Project · Less Than 2 Hours

LearnQuest
Skills you'll gain: Apache Maven, Spring Framework, Microservices, Java Platform Enterprise Edition (J2EE), Spring Boot, Java, Java Programming, Build Tools, Back-End Web Development, Software Architecture, Server Side, Load Balancing, Cloud Development, Web Services, Restful API, Systems Architecture, Web Applications
★ 4.5 (52) · Advanced · Course · 1 - 4 Weeks

University of Colorado System
Skills you'll gain: Computational Thinking, C (Programming Language), Programming Principles, Computer Programming, Code Reusability, Data Storage
★ 4.6 (37) · Beginner · Course · 1 - 4 Weeks

Saïd Business School, University of Oxford
Skills you'll gain: Machine Learning Methods, Financial Services, Artificial Intelligence, Responsible AI, FinTech, Financial Data, Banking Services, Decision Intelligence, Financial Regulation, Banking, Fraud detection, Machine Learning, Data Ethics, Natural Language Processing, AI Personalization, Deep Learning, Credit Risk, Case Studies, Algorithms, Data Management
★ 4.7 (90) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Social Media Analytics, Data Visualization, Plot (Graphics), Statistical Visualization, Matplotlib, Marketing Analytics, Social Media Marketing, Python Programming, Social Media, Data Presentation, Data Analysis, Data Wrangling, Exploratory Data Analysis, Data Cleansing, Seaborn, Content Performance Analysis, Jupyter
★ 4 (41) · Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Spatial Data Analysis, Geographic Information Systems, GIS Software, Spatial Analysis, Geospatial Mapping, Metadata Management, Verification And Validation, Geostatistics, Data Validation, Query Languages, Technical Documentation, Document Management, SQL, Data Import/Export, Visual Design, Pandas (Python Package), Data Analysis, Data Quality, Geospatial Information and Technology, Python Programming
★ 3.9 (9) · Beginner · Specialization · 3 - 6 Months

Microsoft
Skills you'll gain: Graph Theory, Data Structures, .NET Framework, Microsoft Copilot, Algorithms, Back-End Web Development, Performance Tuning, Theoretical Computer Science, Scalability
★ 4.6 (44) · Beginner · Course · 1 - 3 Months