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.

Johns Hopkins University
Skills you'll gain: Distributed Computing, Scalability, Database Design, Database Management Systems, Database Systems, Database Theory, Database Architecture and Administration, Database Management, Relational Databases, SQL, Query Languages, Performance Tuning, Data Integrity
★ 3.3 (7) · Intermediate · Course · 1 - 4 Weeks

École Polytechnique Fédérale de Lausanne
Skills you'll gain: Scala Programming, Data Structures, Algorithms, Performance Tuning, Other Programming Languages, Functional Design, Performance Testing, Unsupervised Learning, Computer Programming
Intermediate · Course · 1 - 4 Weeks

AI Business School
Skills you'll gain: Agentic Workflows, Agentic systems, Productivity, No-Code Development, AI Workflows, AI Enablement, Business Process Automation, Automation, Artificial Intelligence, Business Technologies, Digital Transformation, Application Development, Operational Efficiency, Ideation, Process Optimization
★ 4.7 (7) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Consultative Selling, Closing (Sales), Sales Management, Verbal Communication Skills, Communication, Sales Prospecting, Selling Techniques, Sales Strategy, Consumer Behaviour, Sales, Marketing Psychology, Overcoming Objections, Communication Strategies, Initiative and Leadership, Customer Analysis, Sales Presentations, Regional Sales, Tenacity, Prospecting and Qualification, Sales Support
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Penetration Testing, Malware Protection, Cyber Security Strategy, Exploitation techniques, Cybersecurity, Threat Detection, Email Security, Security Software, Vulnerability Assessments, Network Security, Human Factors (Security), Network Analysis, Linux, Data Persistence
★ 5 (16) · Mixed · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Hardware Architecture, Microarchitecture, Memory Management, Cloud Development, Computer Programming Tools, Computing Platforms, OS Process Management
★ 4.4 (9) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: HubSpot CRM, Customer Relationship Management (CRM) Software, Revenue Forecasting, Customer Relationship Management, Sales Development, Sales Management, Revenue Management, Sales Strategy, Customer Communications Management, Conversion Funnel Analysis
★ 4.4 (11) · Beginner · Guided Project · Less Than 2 Hours

University of Leeds
Skills you'll gain: Software Development, Software Engineering, Professional Development, Professionalism, Ethical Standards And Conduct, Teamwork, Computer Programming, Back-End Web Development
Beginner · Course · 1 - 4 Weeks

University of Illinois Urbana-Champaign
Skills you'll gain: Product Lifecycle Management, Data Presentation, Data Literacy, Performance Measurement, Product Management, Business Analytics, Product Planning, Business Strategies, Business Strategy, Data Visualization Software, Business Analysis, Competitive Analysis, Organizational Strategy, Accounting, Strategic Thinking, Business Metrics, Management Accounting, Corporate Strategy, Business Intelligence, Organizational Effectiveness
Beginner · Course · 1 - 3 Months

Skills you'll gain: Minitab, Six Sigma Methodology, Lean Six Sigma, Root Cause Analysis, Statistical Process Controls, Data Analysis Software, Statistical Software, Process Improvement and Optimization, Project Scoping, Kaizen Methodology, Quality Improvement, Data-Driven Decision-Making, Project Design, Process Improvement, Solution Design, Waste Minimization, Project Documentation, Project Management, Lean Manufacturing, Quality Assessment
★ 4.9 (8) · Beginner · Course · 3 - 6 Months

Scrimba
Skills you'll gain: Node.JS, JSON, Server Side, Web Development Tools, Back-End Web Development, JavaScript Frameworks, Web Servers, Application Programming Interface (API), Restful API, Javascript, Web Development, Package and Software Management, Servers, Network Protocols
★ 4.5 (6) · Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Competitive Analysis, Product Strategy, Product Management, Strategic Prioritization, Market Analysis, Product Marketing, Prioritization, Customer Analysis, Goal Setting, Business Strategy, Strategic Thinking, Strategic Decision-Making, Team Motivation, Market Dynamics, Customer Insights, Regulatory Compliance
Beginner · Course · 1 - 4 Weeks