Language courses can help you learn grammar, vocabulary development, pronunciation techniques, and conversational skills. You can build skills in writing clearly, understanding cultural nuances, and using language for specific purposes like business or travel. Many courses introduce tools such as language learning apps, online dictionaries, and pronunciation software, which enhance your ability to practice and apply what you've learned in everyday situations.

Skills you'll gain: Database Design, Apache Spark, SQL, Performance Tuning, Database Management, PySpark, Query Languages, Data Pipelines, Performance Analysis, Data Architecture, Data Warehousing, Data Transformation, Scalability, Distributed Computing, Infrastructure as Code (IaC), Root Cause Analysis, Cloud Computing Architecture, Resource Management, Disaster Recovery, Cost Management
Intermediate · Specialization · 3 - 6 Months

AI CERTs
Skills you'll gain: Natural Language Processing, Digital Signal Processing, Data Ethics, Tensorflow, Responsible AI, Augmented Reality, Artificial Intelligence, AI Personalization, Music, Multimedia, Music Performance, Deep Learning, Information Privacy, Creativity
Beginner · Course · 1 - 3 Months

Logical Operations
Skills you'll gain: File I/O, Debugging, File Management, File Systems, Python Programming, Operating Systems, Programming Principles, Computer Programming, Object Oriented Programming (OOP), Software Development, Cross Platform Development
Mixed · Course · 1 - 4 Weeks
Skills you'll gain: Java Programming, Java, Feature Engineering, Deep Learning, Data Pipelines
Advanced · Course · 1 - 4 Weeks

Skills you'll gain: Apache Maven, Build Tools, Eclipse (Software), CI/CD, Java, Software Configuration Management, Continuous Integration, Integrated Development Environments, Dependency Analysis, Extensible Markup Language (XML)
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Software Installation
Beginner · Course · 1 - 3 Months

Skills you'll gain: Dashboard, Apache Airflow, Star Schema, Data Storytelling, Dataflow, Process Mapping, Extract, Transform, Load, SQL, Data Pipelines, Apache Kafka, Data Transformation, Data Warehousing, Data Modeling, Pandas (Python Package), Business Intelligence, Data Validation, Data Quality, Performance Improvement, JSON, Python Programming
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Data Storytelling, Data Engineering, Data Presentation, Key Performance Indicators (KPIs), Dashboard, Business Analytics, Business Intelligence, Extract, Transform, Load, Performance Analysis, Data Transformation, SQL, Automation, Data Management, Version Control
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: User Acceptance Testing (UAT), Product Requirements, LLM Application, User Requirements Documents, Acceptance Testing, AI Product Strategy, Large Language Modeling, User Story, Functional Requirement, Functional Testing, Business Requirements, Scenario Testing, Requirements Analysis, Risk Management Framework, Key Performance Indicators (KPIs), Technical Communication
Intermediate · Course · 1 - 4 Weeks
Skills you'll gain: Containerization, LangChain, Microservices, Application Deployment, Cloud Deployment, Docker (Software), Kubernetes, LLM Application, Large Language Modeling, MLOps (Machine Learning Operations), Prometheus (Software), API Design, Scalability, System Monitoring, Performance Testing, Grafana
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Plotly, Object Oriented Programming (OOP), Matplotlib, Pandas (Python Package), Data Visualization, Interactive Data Visualization, Seaborn, Data Analysis, NumPy, Data Visualization Software, Data Structures, Restful API, Python Programming, Application Programming Interface (API), Scatter Plots, Data Manipulation, Programming Principles, Computer Programming, Data Transformation, Program Development
Intermediate · Specialization · 1 - 3 Months

Duke University
Skills you'll gain: Deep Learning, Model Evaluation, Unsupervised Learning, Classification And Regression Tree (CART), Machine Learning, Regression Analysis, Artificial Intelligence and Machine Learning (AI/ML), Convolutional Neural Networks, Decision Tree Learning, Computer Vision, Logistic Regression, Supervised Learning, Natural Language Processing, Random Forest Algorithm, Data Science, Predictive Analytics, Algorithms
Intermediate · Course · 1 - 3 Months