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: Data Migration, Cloud Storage, Data Management, Data Integration, Data Storage, Data Infrastructure, Data Storage Technologies, Data Architecture, Data Security, File Systems, Data Loss Prevention
★ 4.8 (37) · Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Diagram Design, Data Import/Export, Collaborative Software, Technical Communication, Technical Documentation, User Accounts
★ 4.8 (33) · Beginner · Guided Project · Less Than 2 Hours
University of Illinois Urbana-Champaign
Skills you'll gain: Innovation, New Product Development, Product Development, Customer Insights, Process Development, Customer Analysis, User Feedback, Consumer Behaviour, Market Research, Business Strategies, Customer Relationship Management, Marketing Psychology
★ 4.7 (81) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Embedded Software, Embedded Systems, Peripheral Devices, C (Programming Language), System Programming, Program Development, Hardware Architecture, Data Structures, Debugging, Development Environment, C and C++, Performance Tuning, Integrated Development Environments
★ 4.5 (51) · Advanced · Course · 1 - 4 Weeks

EDUCBA
Skills you'll gain: Hypertext Markup Language (HTML)
★ 4.4 (47) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Adobe Firefly, Visual Storytelling, Adobe Photoshop, Photo Editing, AI powered creativity, Adobe Creative Cloud, Image Quality, Color Theory, Generative AI, AI Workflows, Editing, Graphics Software, Graphic and Visual Design, Creative Design, Design Software, Storytelling, Design, Creative Thinking, Creativity, Portfolio Management
★ 4.2 (39) · Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Core Data (Software), Restful API, Apple iOS, iOS Development, JSON, Swift Programming, Application Programming Interface (API), Data Import/Export, Mobile Development, Application Development, Data Persistence, Authentications
★ 4 (52) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Public Key Infrastructure, Encryption, Cryptography, Cybersecurity, Data Security, Cryptographic Protocols, Advanced Encryption Standard (AES), Key Management, Data Encryption Standard, Blockchain, Algorithms, Authentications, Data Integrity
★ 4.9 (50) · Intermediate · Course · 1 - 4 Weeks
Skills you'll gain: Model Context Protocol, AI Workflows, AI Integrations, Generative AI Agents, Tool Calling, OpenAI API, Agentic Workflows, Anthropic Claude, Context Management, Real Time Data, Debugging, Artificial Intelligence and Machine Learning (AI/ML), Servers, Artificial Intelligence, Data Access, Generative AI, Interoperability, Server Administration
★ 3.7 (29) · Intermediate · Course · 1 - 4 Weeks

UiPath
Skills you'll gain: User Interface (UI), Human Computer Interaction, Automation, Robotic Process Automation, Business Process Automation, IT Automation, Fine-tuning
★ 4.7 (41) · Beginner · Course · 1 - 3 Months

Pontificia Universidad Católica del Perú
Skills you'll gain: Data Preprocessing, Business Analytics, Dimensionality Reduction, Data Processing, Analytics, Data Cleansing, Data Transformation, Anomaly Detection, Project Management Life Cycle, Databases, R (Software), R Programming, Data Analysis, Data Quality, Big Data, Supervised Learning
★ 4.3 (65) · Beginner · Course · 1 - 3 Months

Google Cloud
Skills you'll gain: Google Gemini, Gemini, Generative AI, Cloud Development, Google Cloud Platform, Software Development Tools, Application Development, Integrated Development Environments
★ 4.2 (19) · Beginner · Course · 1 - 4 Weeks