Theoretical computer science courses can help you learn algorithms, computational complexity, automata theory, and formal languages. You can build skills in problem-solving, mathematical reasoning, and algorithm analysis, that support tackling complex computational tasks. Many courses introduce tools like Python for algorithm implementation, LaTeX for typesetting mathematical documents, and software for simulating automata, allowing you to apply these concepts in practical scenarios.

Whizlabs
Skills you'll gain: Apache Hadoop, Data Migration, AWS Kinesis, File Transfer Protocol (FTP), Apache Spark, Amazon Web Services, Big Data, Dashboard Creation, Data Import/Export, Analytics, Business Intelligence Software, Cloud Services, Real Time Data, Cloud Storage, Data Storage
Beginner · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: Java, Software Development Tools, Application Servers, Web Applications, Development Environment, Java Programming, Java Platform Enterprise Edition (J2EE), Application Development, Program Development, Mobile Development, Computer Programming, UI Components, Event-Driven Programming, User Interface (UI), Command-Line Interface
Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Google Analytics, Web Analytics, Journey Mapping, Digital Analysis, Marketing Analytics, Data Validation, Data-Driven Marketing, Data Collection, Analytics, Auditing, Debugging, Exploratory Data Analysis, Performance Measurement, Event Monitoring, Performance Reporting, Data Quality, Gap Analysis, Issue Tracking
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Hibernate (Java), Object-Relational Mapping, CI/CD, Spring Boot, Restful API, Java Programming, Integration Testing, Continuous Integration, Java, Database Development, Cloud Deployment, Application Security, Containerization, Spring Framework, SQL, NoSQL, Docker (Software), Kubernetes, Test Driven Development (TDD), Object Oriented Design
Beginner · Specialization · 1 - 3 Months

LearnQuest
Skills you'll gain: Java Programming, Java, Object Oriented Programming (OOP), Computer Programming, Object Oriented Design, Development Environment, Programming Principles, Data Structures
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Meta Ads Manager, Data Storytelling, Data Presentation, Business Metrics, Key Performance Indicators (KPIs), Marketing Analytics, Data-Driven Marketing, Bayesian Statistics, Data Visualization, Descriptive Statistics, Marketing Effectiveness, Statistical Hypothesis Testing, Target Audience, Pandas (Python Package), Data Analysis, Data Visualization Software, A/B Testing, Data Collection, Marketing, Interviewing Skills
Build toward a degree
Beginner · Professional Certificate · 3 - 6 Months

Coursera
Skills you'll gain: SQL, Data Warehousing, Ad Hoc Analysis, Business Intelligence, Databases, Data Maintenance, Database Management, Data Analysis, Relational Databases, Ad Hoc Reporting, Business Analytics, Star Schema, Query Languages, Operational Databases, Data Quality, Data Access, Data Manipulation, Business Logic, Business Metrics
Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Javascript, Web Development, Web Development Tools, Scripting, Hypertext Markup Language (HTML), Programming Principles
Beginner · Guided Project · Less Than 2 Hours

Columbia University
Skills you'll gain: Computer Vision, Image Analysis, Dimensionality Reduction, Artificial Neural Networks, Machine Learning Methods, Deep Learning, Graph Theory, Machine Learning Algorithms
Beginner · Course · 1 - 3 Months

Advancing Women in Tech
Skills you'll gain: Product Roadmaps, Product Management, Agile Product Development, Customer Retention, Product Planning, Financial Analysis, Product Development, Financial Statement Analysis, Customer Analysis, Customer experience improvement, Innovation, Revenue Management, Business Metrics, Financial Statements, Brand Loyalty, Financial Acumen, Customer Engagement, Agile Methodology, Initiative and Leadership, Commercialization
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Prompt Engineering, Multimodal Prompts, Prompt Patterns, AI powered creativity, Generative AI Agents, AI Personalization, LLM Application, Agentic Workflows, Ideation, Scenario Testing, Solution Design, Software Versioning
Beginner · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: Kubernetes, Cloud Deployment, Application Deployment, Containerization, Authorization (Computing), Authentications, Software Installation, Data Persistence, Role-Based Access Control (RBAC), Infrastructure Architecture, Scalability, Data Storage, System Configuration, Command-Line Interface
Intermediate · Course · 1 - 3 Months