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: R (Software), Tidyverse (R Package), Web Scraping, Data Manipulation, Data Wrangling, R Programming, Data Transformation, Memory Management, Data Cleansing, Data Science, Statistical Programming, Data Integration, Data Processing, Text Mining, Data Import/Export, Web Services, Data Analysis, Data Structures, Application Programming Interface (API)
★ 4.3 (1.2K) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Productivity Software, Collaborative Software, Microsoft Office, Spreadsheet Software, Google Sheets, Data Visualization, Excel Formulas, Data Entry, File Management, Microsoft Excel, Editing, Data Management
★ 4.6 (208) · Beginner · Course · 1 - 4 Weeks

University of Toronto
Skills you'll gain: Global Positioning Systems, Estimation, Robotics, Mathematical Modeling, Applied Mathematics, Linear Algebra
★ 4.7 (841) · Advanced · Course · 1 - 3 Months

Universidade de São Paulo
Skills you'll gain: Object Oriented Programming (OOP), Theoretical Computer Science, Computer Programming, Performance Testing, Algorithms, Programming Principles, Code Reusability, Computer Science, Data Structures, Python Programming, Computational Thinking, Maintainability, Test Automation, Software Testing
★ 4.9 (1.6K) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Cloud Deployment, Application Deployment, OpenShift, Cloud Applications, Serverless Computing, Microservices, Istio, API Gateway, Cloud-Native Computing, Restful API, Cloud Computing, IBM Cloud, Kubernetes, Application Development, Containerization, Software Architecture, Scalability, Flask (Web Framework)
★ 4.6 (410) · Intermediate · Course · 1 - 3 Months
Amazon Web Services
Skills you'll gain: Serverless Computing, AWS Identity and Access Management (IAM), Event-Driven Programming, Solution Architecture, Cloud Computing Architecture, Cloud Solutions, User Accounts, Identity and Access Management, Amazon Web Services, Software Architecture, IT Security Architecture, Back-End Web Development, API Gateway, Hybrid Cloud Computing, Cloud Engineering, Systems Architecture, Cloud Management, Information Technology Architecture, Data Analysis, Data Visualization
★ 4.8 (582) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Apache Hadoop, Apache Spark, PySpark, Apache Hive, Big Data, IBM Cloud, Kubernetes, Docker (Software), Scalability, Data Processing, Development Environment, Distributed Computing, Performance Tuning, Open Source Technology, Data Transformation, Debugging
★ 4.4 (484) · Intermediate · Course · 1 - 3 Months

Coursera
Skills you'll gain: Canva (Software), Social Media Content, Social Media Campaigns, Content Creation, Visual Design, Social Media Marketing, Generative AI, Video Production, Content Marketing, Graphic Design, Video Editing, ChatGPT, Marketing Design, AI Workflows, Prompt Engineering, Content Strategy, Animations, Storytelling, Branding, Responsible AI
★ 4.4 (409) · Intermediate · Specialization · 3 - 6 Months

University of Colorado System
Skills you'll gain: Data Encryption Standard, Public Key Infrastructure, Cryptography, Cybersecurity, Key Management, Advanced Encryption Standard (AES), Encryption, Cryptographic Protocols, Public Key Cryptography Standards (PKCS), Brute-force attacks, Authentications, Arithmetic, Algorithms, Applied Mathematics, Probability, Computer Science
★ 4.6 (1K) · Beginner · Specialization · 3 - 6 Months
University of Illinois Urbana-Champaign
Skills you'll gain: Computational Logic, Application Specific Integrated Circuits, Theoretical Computer Science, Data Structures, Verification And Validation, Systems Design, Algorithms, Programming Principles, Design Software, Model Optimization, Digital Design
★ 4.6 (557) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Engineering Management, Team Management, Quality Assurance, Team Performance Management, Risk Management, Procurement, Product Quality (QA/QC), Project Risk Management, Risk Analysis, Quality Assurance and Control, Quality Assessment, Management Training And Development, Team Building, Project Controls, Quality Control, People Management, Purchasing, Project Management Institute (PMI) Methodology, Project Management, Quality Management
★ 4.8 (1.3K) · Beginner · Course · 1 - 3 Months

Microsoft
Skills you'll gain: Unsupervised Learning, Fine-tuning, Model Deployment, Generative AI, Large Language Modeling, Data Management, Generative Model Architectures, Natural Language Processing, MLOps (Machine Learning Operations), Supervised Learning, Microsoft Azure, Deep Learning, Artificial Intelligence and Machine Learning (AI/ML), Generative Adversarial Networks (GANs), Infrastructure Architecture, LLM Application, Responsible AI, Data Infrastructure, Data Preprocessing, Model Optimization
★ 4.5 (396) · Intermediate · Professional Certificate · 3 - 6 Months