Real-time Operating Systems courses can help you learn task scheduling, resource management, interrupt handling, and system performance optimization. You can build skills in designing efficient algorithms, debugging real-time applications, and ensuring system reliability under time constraints. Many courses introduce tools like FreeRTOS, VxWorks, and QNX, that support implementing real-time applications in embedded systems and IoT devices.

Skills you'll gain: Reconciliation, Accounts Payable, Accounts Receivable, Billing, Accounts Payable and Receivable, Billing & Invoicing, Invoicing, QuickBooks (Accounting Software), Accounting Software, Loss Prevention, Financial Controls, Auditing, Fraud detection, Vendor Management, Internal Controls, Payment Processing, Cash Management, Document Management, Financial Reporting, Cash Flows
★ 2.7 (18) · Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Back-End Web Development, PostgreSQL, Database Development, Python Programming, Restful API, SQL, API Design, Object-Relational Mapping, Application Programming Interface (API), Database Management, Databases, Data Validation, Development Environment
★ 3.9 (13) · Intermediate · Course · 1 - 3 Months
University of Illinois Urbana-Champaign
Skills you'll gain: Supply Chain Management, Supply Chain, Supplier Risk Management, Supply Chain Planning, Supply Management, Supplier Management, Risk Management, Risk Management Framework, Risk Mitigation, Logistics, Crisis Management, Supplier Relationship Management, Manufacturing Operations, Demand Planning, Case Studies, Personal protective equipment, Operational Efficiency, Business Strategies
★ 4.7 (140) · Beginner · Course · 1 - 4 Weeks

Rice University
Skills you'll gain: Probability & Statistics, Microsoft Excel, Descriptive Statistics, Box Plots, Statistical Methods, Probability Distribution, Statistical Visualization, Data Visualization, Probability, Statistics, Excel Formulas, Plot (Graphics), Business Mathematics, Spreadsheet Software, Data-Driven Decision-Making, Mathematical Theory & Analysis, Algebra, Bayesian Statistics, Arithmetic, Case Studies
★ 4.6 (19) · Beginner · Course · 1 - 3 Months

University of California, Irvine
Skills you'll gain: Decision Support Systems, Database Design, Relational Databases, Database Management, Database Development, SQL, Descriptive Statistics, Statistics, Statistical Analysis, Business Intelligence, Microsoft Excel, Data Processing, Extract, Transform, Load, Business Analytics, Data Manipulation, Data Science, Conceptual Design
★ 4.5 (103) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: LangChain, LLM Application, Prompt Engineering, API Design, MLOps (Machine Learning Operations), Large Language Modeling, Performance Tuning, Microservices, Application Deployment, Kubernetes, Scalability, Site Reliability Engineering, DevOps, CI/CD, Docker (Software), Python Programming, Containerization, System Monitoring, Cloud Platforms, Security Controls
★ 2.6 (7) · Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Keyword Research, Content Performance Analysis, Search Engine Optimization, AI Personalization, Campaign Planning, Scheduling, Search Engine Marketing, Web Analytics, Generative Engine Optimization (GEO), Email Automation, Strategic Marketing, Customer Analysis, Campaign Management, Digital Marketing, Content Strategy, Generative AI Agents, Market Intelligence, Performance Analysis, Marketing Design, Strategic Partnership
Beginner · Professional Certificate · 3 - 6 Months

Skills you'll gain: Electrical Safety, Electric Power Systems, Electrical Equipment, Maintenance, Repair, and Facility Services, Safety Standards, Hardware Troubleshooting, Electrical Systems, Basic Electrical Systems, Safety Assurance, High Voltage, Power Electronics, Sustainable Technologies, Transportation Operations, Emerging Technologies
★ 4.7 (28) · Beginner · Course · 1 - 4 Weeks

Akamai Technologies, Inc.
Skills you'll gain: SQL, Database Management, Relational Databases, Database Systems, Databases, Database Administration, Database Development, Database Design, Database Theory, Data Manipulation, Query Languages, Data Management, Data Analysis
★ 4.8 (35) · Beginner · Course · 1 - 3 Months

Packt
Skills you'll gain: Data Analysis Expressions (DAX), Customer Insights, Power BI, Data Modeling, Customer Analysis, Dashboard, Data Transformation, Dashboard Creation, Data Wrangling, Data Import/Export, Data Manipulation, Database Design, Business Intelligence, Interactive Data Visualization, Data Integration, Star Schema, Time Series Analysis and Forecasting, Data Cleansing, Relational Databases, Data Processing
★ 4.7 (10) · Beginner · Specialization · 1 - 4 Weeks

Arizona State University
Skills you'll gain: Statistical Process Controls, Process Control, Quality Assurance, Semiconductors, Process Validation, Production Process, Verification And Validation, Manufacturing Operations, Manufacturing Processes, Manufacturing and Production, Manufacturing Standards, Process Improvement, Process Analysis, Product Testing, Process Flow Diagrams, Electronics Engineering, Electronics, Reliability, Performance Testing
★ 4.7 (70) · Beginner · Course · 1 - 3 Months

Scrimba
Skills you'll gain: React Redux, React.js, Cascading Style Sheets (CSS), UI Components, JavaScript Frameworks, Front-End Web Development, User Interface (UI), Web Frameworks, Maintainability, Authentications, Web Development Tools, Application Frameworks, Javascript, Application Programming Interface (API), Web Design, Frontend Performance, Authorization (Computing), Web Development, Web Applications, Middleware
★ 4.8 (35) · Intermediate · Specialization · 1 - 3 Months