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: LangChain, LLM Application, Hugging Face, Retrieval-Augmented Generation, OpenAI API, LangGraph, Model Deployment, AI Workflows, Large Language Modeling, AI Orchestration, Generative AI, Generative Model Architectures, CI/CD, Embeddings, Text Mining, Containerization, Restful API, Open Source Technology, Data Preprocessing, Docker (Software)
Intermediate · Specialization · 1 - 3 Months

Northeastern University
Skills you'll gain: Data Storytelling, Exploratory Data Analysis, Data Visualization, Data Visualization Software, Data Presentation, Interactive Data Visualization, Tableau Software, Infographics, Dashboard, Data Analysis, Data-Driven Decision-Making, Data Ethics, Trend Analysis, Business Analytics, Peer Review
Beginner · Course · 1 - 4 Weeks

Corporate Finance Institute
Skills you'll gain: Star Schema, Data Modeling, Extract, Transform, Load, Performance Tuning, Tableau Software, Database Design, Data Warehousing, Data Transformation, Data Integration
Advanced · Course · 1 - 3 Months

Infosec
Skills you'll gain: Exploit development, C (Programming Language), C++ (Programming Language), Secure Coding, Application Security, System Programming, Debugging, Vulnerability Assessments
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Dashboard, Timelines, Database Management, Databases, Project Schedules, Data Visualization, Calendar Management, Workflow Management, Information Architecture, Kanban Principles, Collaborative Software, Content Development and Management
Mixed · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Sampling (Statistics), Estimation, Risk Analysis, Statistical Methods, Statistical Software, Return On Investment, Statistical Analysis, Sample Size Determination, R (Software), Data Analysis, Business Risk Management, Probability & Statistics, Statistical Inference, Project Estimation, Business Analysis
Build toward a degree
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Linux Commands, Command-Line Interface, Linux, Linux Servers, Unix, File Systems, File Management
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Extract, Transform, Load, Apache Spark, Data Pipelines, PySpark, Apache Hadoop, Data Transformation, MySQL, Data Manipulation, Java Platform Enterprise Edition (J2EE), Data Import/Export, Data Persistence, Development Environment, Software Installation
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: User Story, Kanban Principles, Agile Methodology, Miro AI, Collaborative Software, Agile Project Management, Workflow Management, Process Improvement
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Competitive Analysis, Strategic Thinking, Business Strategy, Strategic Decision-Making, Organizational Strategy, Key Performance Indicators (KPIs), Performance Analysis, Analysis, Internal Auditing, Market Analysis, External Auditing, Market Opportunities, Entrepreneurship, Leadership
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Amazon Web Services, Code Review, AI Enablement, Integrated Development Environments, AI Workflows, Microsoft Visual Studio, Debugging, Development Environment, Vulnerability Scanning, Software Development, Web Applications, TypeScript
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Plotly, Dashboard, Data Analysis, Interactive Data Visualization, Jupyter, HTML and CSS, UI Components, Financial Analysis, Data Visualization Software, Real Time Data, Python Programming, Data Structures
Intermediate · Course · 1 - 3 Months