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.

Universiteit Leiden
Skills you'll gain: Predictive Analytics, Predictive Modeling, Model Evaluation, Risk Modeling, R Programming, Preventative Care, Statistical Modeling, Sample Size Determination, Regression Analysis, Precision Medicine, Data Preprocessing, Applied Machine Learning, Sampling (Statistics), Diagnostic Tests
★ 4.6 (25) · Intermediate · Course · 1 - 3 Months
Skills you'll gain: Application Security, OAuth, Data Validation, Authentications, Back-End Web Development, Secure Coding, Identity and Access Management, Web Applications, Authorization (Computing), Cyber Attacks, Security Controls, Distributed Denial-Of-Service (DDoS) Attacks, Data Integrity, Server Side, Security Strategy, Package and Software Management, Patch Management
★ 4.9 (17) · Intermediate · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Image Analysis, Event-Driven Programming, Scalability, Dataflow, Digital Signal Processing, Distributed Computing, C++ (Programming Language), Program Development, Performance Tuning, Memory Management, Algorithms
★ 3.4 (29) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Manufacturing Processes, Automation, Internet Of Things, Manufacturing Standards, Quality Assurance, Manufacturing Operations, Production Process, Process Control, Laboratory Testing, Materials science
★ 4.5 (30) · Intermediate · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Data Security, Cybersecurity, Cyber Attacks, Data Ethics, Computer Security, Authentications, Cryptography, Information Assurance, Cyber Security Policies, Authorization (Computing), Security Software, Security Controls, Cyber Security Assessment, Information Privacy, Encryption, Data Access, Security Awareness, Risk Analysis, Problem Solving, Communication
★ 3.5 (31) · Beginner · Course · 1 - 3 Months

Skills you'll gain: MySQL, Business Intelligence, Role-Based Access Control (RBAC), SQL, Relational Databases, Database Software, Data Presentation, Database Management Systems, Data Visualization Software, Database Management, Databases, Data Access, Authorization (Computing), Query Languages, Performance Tuning
★ 4.1 (35) · Beginner · Course · 1 - 4 Weeks

University of London
Skills you'll gain: C++ (Programming Language), C and C++, Object Oriented Programming (OOP), Object Oriented Design, Programming Principles, Program Development, Computer Programming, Data Modeling, Transaction Processing
★ 4.7 (28) · Intermediate · Course · 1 - 4 Weeks

Duke University
Skills you'll gain: Apache Airflow, Vector Databases, Performance Tuning, Scalability, Database Management Systems, Database Management, Data Pipelines, MySQL, Data Import/Export
★ 4.1 (23) · Intermediate · Course · 1 - 4 Weeks

Pearson
Skills you'll gain: Open Web Application Security Project (OWASP), AI Security, Vulnerability Assessments, Vulnerability Scanning, Distributed Denial-Of-Service (DDoS) Attacks, Vulnerability Management, Network Security, Cryptography, Penetration Testing, Intrusion Detection and Prevention, Cybersecurity, Cyber Security Assessment, Malware Protection, Mobile Security, Threat Modeling, Threat Detection, Web Applications, Internet Of Things, Cloud Computing, Network Architecture
★ 4.6 (26) · Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: AI Product Strategy, Backlogs, Agile Product Development, Product Roadmaps, Product Strategy, Sprint Planning, Product Planning, Product Management, User Story, Strategic Planning, Agile Software Development, Agile Methodology, Scaled Agile Framework, Lean Methodologies, Product Development, Prioritization, Business Priorities, Technical Writing
★ 4.8 (38) · Intermediate · Course · 1 - 4 Weeks

DeepLearning.AI
Skills you'll gain: Multimodal Prompts, Gemini, Prompt Engineering, Google Gemini, Prompt Patterns, LLM Application, Tool Calling, Large Language Modeling, Token Optimization, Application Programming Interface (API), Image Analysis
★ 4.8 (38) · Beginner · Project · Less Than 2 Hours

Skills you'll gain: Time Series Analysis and Forecasting, Exploratory Data Analysis, Model Evaluation, Feature Engineering, Data Preprocessing, Statistical Analysis, Forecasting, Regression Analysis, Python Programming, Data Analysis, Predictive Modeling, Data Science, Data Transformation
★ 4.5 (43) · Intermediate · Course · 1 - 4 Weeks