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.

Scrimba
Skills you'll gain: Prompt Engineering, LangChain, LLM Application, Memory Management, AI Orchestration, AI Workflows, Vector Databases, Scalability, User Interface (UI), Embeddings, Retrieval-Augmented Generation, Databases, Large Language Modeling, Performance Tuning, Maintainability, Data Flow Diagrams (DFDs), Data Storage, Data Preprocessing
★ 4.7 (54) · Intermediate · Course · 1 - 4 Weeks

LearnKartS
Skills you'll gain: Git (Version Control System), GitHub, Version Control, Integrated Development Environments, IntelliJ IDEA, Software Development Tools, Eclipse (Software), Code Review, CI/CD, Microsoft Visual Studio, Development Environment, Software Versioning, Collaborative Software, Continuous Integration, Software Development, Remote Access Systems, Configuration Management, DevOps, Open Source Technology, Release Management
★ 4.1 (37) · Beginner · Specialization · 3 - 6 Months

University of Colorado Boulder
Skills you'll gain: Requirements Management, Design Reviews, Systems Engineering, Engineering Management, Requirements Analysis, Systems Design, Organizational Leadership, Functional Design, Software Engineering, Systems Integration, Technical Design, Leadership, Engineering Design Process, Performance Measurement, Design Specifications, Performance Metric, Manufacturing and Production, Coordination
★ 4.8 (42) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Canva (Software), Content Creation, Visual Storytelling, Visual Design, Design, Graphic and Visual Design, Design Elements And Principles, Graphic Design
★ 4.4 (62) · Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: AWS SageMaker, AWS CloudFormation, Amazon S3, Serverless Computing, Amazon Web Services, Amazon DynamoDB, Amazon CloudWatch, Cloud Security, Data Security, Amazon Redshift, AWS Kinesis, Data Integration, Cloud Storage, Data Lakes, Data Storage, Business Intelligence Software, Databases, Apache Airflow, Cloud Computing Architecture, Virtual Networking
★ 4.5 (33) · Intermediate · Specialization · 3 - 6 Months

Coursera
Skills you'll gain: Simulation and Simulation Software, Simulations, Microbiology, Network Model, Biology, Programming Principles, Mathematical Modeling, Computer Programming
★ 4.2 (59) · Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: 3D Modeling, Autodesk Maya, 3D Assets, SketchUp (3D Modeling Software), Autodesk, Computer Graphic Techniques, Visualization (Computer Graphics), Architectural Drawing, Computer Graphics, Architecture and Construction, Image Quality, Design Software, Functional Design, Design, Simulations, Design Elements And Principles
★ 4.9 (90) · Intermediate · Specialization · 3 - 6 Months

Edureka
Skills you'll gain: Vibe coding, Model Context Protocol, Prompt Engineering, Claude Code, Responsible AI, Prompt Patterns, Prompt Engineering Tools, Anthropic Claude, LLM Application, AI Orchestration, Authentications, Agentic Workflows, AI Integrations, AI Workflows, AI Enablement, Generative AI Agents, Generative AI, Artificial Intelligence and Machine Learning (AI/ML), Artificial Intelligence, Agentic systems
★ 4.5 (13) · Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Technical Sales, Sales, Sales Pipelines, Sales Strategy, Sales Enablement, Sales Training, Selling Techniques, Sales Operations, Sales Process, Personalized Campaigns, AI Personalization, Customer Relationship Management (CRM) Software, Meeting Facilitation, Marketing Automation, Discussion Facilitation, Virtual Teams, Sales Presentation, Consumer Behaviour, Customer Relationship Building, Stakeholder Analysis
★ 4.4 (52) · Intermediate · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Sampling (Statistics), R (Software), Statistical Inference, Probability Distribution, R Programming, Statistical Hypothesis Testing, Descriptive Statistics, Statistical Methods, Probability & Statistics, Statistical Software, Data Science, Statistics, Data Analysis, Statistical Analysis, Probability, Data Literacy, Statistical Visualization, Data Manipulation
★ 4.7 (35) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Mobile Development, React Native, Application Development, User Story, Mobile Development Tools, Flutter (Software), User Interface and User Experience (UI/UX) Design, User Interface (UI), Data Persistence, User Interface (UI) Design, Figma (Design Software), Application Deployment, Application Programming Interface (API), Software Development, GitHub, Git (Version Control System)
★ 4.8 (30) · Advanced · Course · 1 - 3 Months

Skills you'll gain: Databricks, Data Lakes, Data Pipelines, Data Integration, JSON, Dashboard, SQL, Data Manipulation, Apache Spark, Dashboard Creation, Big Data, Data Management, Data Transformation, Data Architecture, Version Control
★ 4.1 (32) · Intermediate · Guided Project · Less Than 2 Hours