COBOL courses can help you learn programming fundamentals, data processing, file handling, and business application development. You can build skills in debugging, optimizing code, and working with legacy systems. Many courses introduce tools like IBM's Enterprise COBOL and Micro Focus Visual COBOL, that support maintaining and modernizing existing applications in various industries. You'll also explore concepts such as structured programming, report generation, and database integration, all of which are crucial for effective COBOL programming.

Skills you'll gain: Generative AI, Cloud Computing Architecture, Generative AI Agents, Systems Development Life Cycle, Cloud Deployment, Artificial Intelligence and Machine Learning (AI/ML), Cloud Services, Database Management Systems, Artificial Intelligence, Software Development Methodologies, Data Strategy, Database Application, Programming Principles, Data Storage Technologies, Cross Platform Development, Package and Software Management, Data-Driven Decision-Making, Computer Programming, Other Programming Languages
★ 4.7 (466) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Database Development, Database Design, Oracle Databases, Oracle SQL Developer, Relational Databases, Database Application, PL/SQL, SQL, Operational Databases, Database Theory, Database Management, Database Architecture and Administration, Database Management Systems, Stored Procedure, Data Modeling, Data Integrity, Transaction Processing, Data Storage
Mixed · Course · 1 - 4 Weeks

Edureka
Skills you'll gain: Model Context Protocol, Claude Code, Vibe coding, Generative AI Agents, LLM Application, AI Workflows, AI Orchestration, Agentic Workflows, GitHub Copilot, AI Enablement, AI Security, Prompt Engineering, Code Review, Prompt Patterns, Software Development, Web Applications, Software Testing, Security Testing, Software Engineering, Web Development
★ 4.4 (9) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Systems Development Life Cycle, Software Development Life Cycle, z/OS, COBOL (Programming Language), Unit Testing, Systems Analysis, Systems Development, Pseudocode, Program Development, Software Development Methodologies, Agile Methodology, Software Development, Software Design, Agile Software Development, Systems Architecture, Mainframe Computing, Test Planning, Scrum (Software Development), Mainframe Technologies, Software Testing
★ 4.2 (71) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Vibe coding, Prompt Engineering, Authentications, LLM Application, AI Integrations, AI Workflows, User Interface (UI), Application Deployment, Full-Stack Web Development, Application Development, No-Code Development, Generative AI, Web Applications, Authorization (Computing), Back-End Web Development, System Design and Implementation, Frontend Performance, Software Development Life Cycle, Database Management, Problem Solving
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Unix Shell, Unix Commands, Unix, Shell Script, Command-Line Interface, Remote Access Systems, Scripting, Systems Administration, Operating System Administration, File I/O, IT Automation, User Accounts, File Systems, System Monitoring, Operating Systems, File Management, Performance Tuning, User Provisioning, OS Process Management, Authorization (Computing)
★ 4.8 (61) · Beginner · Specialization · 1 - 3 Months

University of California, Santa Cruz
Skills you'll gain: C++ (Programming Language), Go (Programming Language), File I/O, Data Structures, C and C++, Object Oriented Programming (OOP), Object Oriented Design, Programming Principles, Software Design Patterns, Debugging, Computer Programming, Unit Testing, C (Programming Language), Software Design, Program Development, Algorithms, Graph Theory, Software Testing, Computer Science, Computational Logic
★ 4.5 (9.6K) · Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Variance Analysis, Excel Macros, Excel Formulas, Microsoft Excel, Financial Data, Financial Forecasting, Spreadsheet Software, Financial Analysis, Financial Modeling, Budgeting, Data Cleansing, Revenue Forecasting, Management Reporting, Data Validation, Forecasting, Pivot Tables And Charts, Generative AI, Trend Analysis, Visual Basic (Programming Language), Data Analysis
Advanced · Course · 1 - 3 Months

Skills you'll gain: Test Planning, Test Driven Development (TDD), Release Management, Software Testing, Behavior-Driven Development, Risk Management Framework, Risk Management, System Testing, Application Deployment, Software Quality Assurance, Software Development Life Cycle, CI/CD, Data Validation, Systems Analysis, Systems Thinking, Data Modeling, Product Lifecycle Management, Business Process Automation, Digital Transformation, Process Flow Diagrams
★ 4.8 (19) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Oracle SQL Developer, Oracle Databases, Data Integrity, Business Logic, Stored Procedure, SQL, Business Process Automation, Data Persistence, Database Design, Database Development, Performance Tuning, Relational Databases, Dependency Analysis, Database Management, Database Management Systems, Computational Thinking, Database Application, Web Services, Data Access, Programming Principles
★ 4.8 (54) · Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Shell Script, Unix Shell, File Management, User Accounts, Operating System Administration, Unix, Package and Software Management, Systems Administration, File Systems, TCP/IP, Data Maintenance, User Provisioning, Midrange Computer, Unix Commands, System Monitoring, Scripting, Disaster Recovery, System Software, System Configuration, Data Centers
★ 4.7 (29) · Intermediate · Specialization · 3 - 6 Months

Packt
Skills you'll gain: Control Objectives for Information and Related Technology (COBIT), IT Management, Performance Management, Performance Measurement, Governance, Performance Improvement, Program Implementation, Process Management, Governance Risk Management and Compliance, Information Technology, Technology Strategies, Process Capability, Organizational Structure, Risk Management
★ 4.6 (9) · Intermediate · Course · 1 - 3 Months