Software testing courses can help you learn test planning, test case design, automated testing, and performance testing. You can build skills in identifying bugs, writing effective test scripts, and using various testing methodologies. Many courses introduce tools like Selenium for automation, JUnit for unit testing, and JIRA for issue tracking, showing how these skills apply in real-world software development environments.

Skills you'll gain: Mainframe Computing, COBOL (Programming Language), Software Development Life Cycle, z/OS, Unit Testing, Systems Analysis, Job Control Language (JCL), IBM DB2, Systems Development, Debugging, Pseudocode, Virtualization, Agile Methodology, Software Development, Virtualization and Virtual Machines, Test Driven Development (TDD), Report Writing, Relational Databases, Software Testing, File I/O
Intermediate · Professional Certificate · 3 - 6 Months

Skills you'll gain: Application Development, UI Components, Program Development, Maintainability
Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Generative AI, Cloud Computing, Cloud API, API Design, Python Programming, Data Persistence
Intermediate · Course · 1 - 4 Weeks

Infosec
Skills you'll gain: Authentications, Cryptography, Secure Coding, Kotlin, Android (Operating System), OAuth, Encryption, Mobile Security, Android Development, Key Management, Exploit development, Application Security, Android Studio, Data Security, Open Web Application Security Project (OWASP), Authorization (Computing), Mobile Development, Security Engineering, Security Controls, Application Development
Intermediate · Specialization · 1 - 3 Months

Logical Operations
Skills you'll gain: Empathy & Emotional Intelligence, Emotional Intelligence, Self-Awareness, Personal Development, Social Skills, Employee Coaching, Team Building, Leadership Development, Leadership, Team Management, Relationship Building, Conflict Management, Team Motivation, Professional Development, Empathy, Motivational Skills, Self-Motivation, Active Listening, Adaptability, Communication
Mixed · Course · 1 - 3 Months

Skills you'll gain: Business Logic
Beginner · Course · 1 - 4 Weeks

Vanderbilt University
Skills you'll gain: Claude Code, Prompt Engineering, ChatGPT, Generative AI Agents, Prompt Patterns, Anthropic Claude, Prompt Engineering Tools, LLM Application, Productivity, Multimodal Prompts, OpenAI, Debugging, TypeScript, OpenAI API, AI Enablement, Agentic systems, AI Orchestration, Version Control, AI Workflows, Generative AI
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Application Lifecycle Management, Maintainability
Intermediate · Course · 1 - 4 Weeks
Starweaver
Skills you'll gain: Financial Modeling, Microsoft Excel, Financial Statement Analysis, Financial Forecasting, Excel Formulas, Revenue Forecasting, Financial Analysis, Business Modeling, Financial Statements, Risk Analysis, Cash Flow Forecasting, Balance Sheet, Forecasting, Accounting, Working Capital, Operational Excellence
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: iOS Development, Data Persistence, Application Design, Application Programming Interface (API), JSON, Typography
Intermediate · Course · 1 - 3 Months

Google Cloud
Skills you'll gain: Cloud Infrastructure, Tensorflow, Google Cloud Platform, AI Workflows, Model Deployment, Cloud Computing Architecture, Performance Tuning, Interoperability, Hardware Architecture, Systems Architecture
Intermediate · Course · 1 - 4 Weeks

Alex Genadinik
Skills you'll gain: Instagram, TikTok, Debugging, Keyword Research, Podcasting, Video Production, Vibe coding, Prototyping, Social Media Content, Social Media Marketing, Social Media, Search Engine Optimization, Social Media Strategy, Copywriting, Mobile Development, Business Planning, Content Marketing, Mobile Development Tools, Case Studies, Other Mobile Programming Languages
Beginner · Specialization · 3 - 6 Months