Data cleaning courses can help you learn techniques for identifying and correcting errors in datasets, handling missing values, and standardizing data formats. You can build skills in data validation, outlier detection, and transforming raw data into a usable format. Many courses introduce tools like Python libraries such as Pandas and NumPy, as well as software like OpenRefine, that support executing data cleaning tasks efficiently and ensuring data quality for analysis.

Advancing Women in Tech
Skills you'll gain: Engineering Management, Technical Management, Cross-Functional Collaboration, Cross-Functional Team Leadership, Management Training And Development, Team Performance Management, Software Engineering, Employee Coaching, Staff Management, Agile Software Development, Software Development Methodologies, Communication, Conflict Management, Performance Management, Team Management, Coordination, People Management, Program Management, Cloud Engineering, Business Strategy
★ 4.5 (26) · Mixed · Course · 1 - 4 Weeks

Packt
Skills you'll gain: Spatial Data Analysis, Spatial Analysis, Scripting, Geospatial Mapping, Scripting Languages, Dashboard, Dashboard Creation, Data Visualization Software, Interactive Data Visualization, Data Manipulation, Data Import/Export, Cascading Style Sheets (CSS), Advanced Analytics
Intermediate · Course · 1 - 4 Weeks

DeepLearning.AI
Skills you'll gain: AI Orchestration, LLM Application, AI Workflows, OpenAI API, Agentic Workflows, Tool Calling, Generative AI Agents, Retrieval-Augmented Generation, Agentic systems, Data Pipelines
★ 4.5 (14) · Intermediate · Project · Less Than 2 Hours

Skills you'll gain: Penetration Testing, Exploit development, OSI Models, Exploitation techniques, Open Web Application Security Project (OWASP), TCP/IP, Network Protocols, Network Security, Cyber Security Assessment, General Networking, Vulnerability Scanning, Cybersecurity, Prompt Engineering, Large Language Modeling, AI Security, LLM Application, Test Script Development, Scripting, Scripting Languages, Python Programming
★ 4.3 (7) · Intermediate · Course · 1 - 3 Months

Pearson
Skills you'll gain: Database Design, Relational Databases, SQL, Database Management, Query Languages, Database Theory, Data Management, Database Management Systems, Databases, Database Development, Database Architecture and Administration, Data Integrity, Oracle Databases, Data Modeling, Data Access, Data Analysis, Data Manipulation, Data Structures, User Accounts
Intermediate · Specialization · 1 - 4 Weeks

Skills you'll gain: Blockchain, Memory Management, Programming Principles, Integrated Development Environments, Computational Logic, Software Development Tools, Secure Coding, Other Programming Languages, Program Development, Data Storage, Data Management, Development Testing
★ 4.9 (8) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: GitHub Copilot
Intermediate · Course · 3 - 6 Months

JetBrains
Skills you'll gain: Application Development, Application Deployment, Generative AI Agents, Large Language Modeling, Software Development Tools, LLM Application, AI literacy, IntelliJ IDEA, Agentic Workflows, Artificial Intelligence and Machine Learning (AI/ML), Generative AI, Integrated Development Environments, Agentic systems, Code Review, Software Development, Software Development Life Cycle
★ 3.3 (9) · Beginner · Course · 1 - 3 Months

Coursera
Skills you'll gain: Hypertext Markup Language (HTML), Web Language, Browser Compatibility, Web Development, HTML and CSS, Cascading Style Sheets (CSS), Web Development Tools, Web Content, Microsoft Visual Studio, Integrated Development Environments
★ 4.8 (31) · Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Audit Planning, Enterprise Architecture, Internal Auditing, Compliance Management, Regulatory Compliance, Risk Control, Risk Management Framework, Quality Assurance, Training Records Management, Quality Management
★ 4.6 (10) · Intermediate · Course · 1 - 4 Weeks
University of Colorado Boulder
Skills you'll gain: Basic Electrical Systems, electromagnetics, Mathematical Modeling, Education Software and Technology, Simulations, Simulation and Simulation Software, Physics, Experimentation, Scientific Visualization
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Kubernetes, Role-Based Access Control (RBAC), Scalability, Authorization (Computing), Network Security, Identity and Access Management, Cyber Security Policies, System Monitoring, Network Monitoring, Continuous Monitoring, Capacity Management
★ 4.1 (9) · Advanced · Course · 1 - 4 Weeks