Portuguese courses can help you learn conversational skills, grammar, vocabulary, and pronunciation. You can build skills in writing essays, engaging in discussions, and understanding cultural contexts. Many courses introduce tools like language apps and online dictionaries that enhance your learning experience and support daily practice. Key topics often include Brazilian and European Portuguese variations, idiomatic expressions, and practical scenarios for travel or business communication.

Dartmouth College
Skills you'll gain: Digital Transformation, Predictive Modeling, Customer experience strategy (CX), Analytics, Predictive Analytics, Simulations, Simulation and Simulation Software, Advanced Analytics, Business Transformation, Scikit Learn (Machine Learning Library), Model Evaluation, Data-Driven Decision-Making, Operations Research, Internet Of Things, Model Training, Ethical Standards And Conduct, Cloud Computing, Data Ethics, Business Analytics, Process Optimization
★ 4.8 (36) · Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: HVAC, Building Services Engineering, Pump Stations, Equipment Design, Thermal Management, Mechanical Engineering, Hydraulics, Facility Repair And Maintenance, Mechanical Design, Control Systems, Energy and Utilities, System Configuration, Engineering Calculations, Materials science
★ 4.5 (14) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Prompt Engineering, Large Language Modeling, Retrieval-Augmented Generation, Generative AI, PyTorch (Machine Learning Library), Prompt Patterns, Generative AI Agents, Fine-tuning, Vector Databases, LLM Application, Generative Model Architectures, Generative Adversarial Networks (GANs), Embeddings, Natural Language Processing, Tool Calling, Hugging Face, Model Optimization, Reinforcement Learning, Transfer Learning, Data Pipelines
★ 4.6 (1.1K) · Intermediate · Specialization · 3 - 6 Months

Simplilearn
Skills you'll gain: Email Automation, Marketing Automation, OpenAI API, Business Process Automation, AI Workflows, OpenAI, ChatGPT, Automation, Performance Tuning, Workflow Management, Generative AI, Scalability, Blogs, Process Optimization, Operational Efficiency, AI Integrations, Real Time Data, Business Logic, Social Media Content, Application Programming Interface (API)
★ 4.4 (262) · Beginner · Course · 1 - 4 Weeks

DeepLearning.AI
Skills you'll gain: Linear Algebra, Dimensionality Reduction, Mathematical Software, Machine Learning Methods, Data Transformation, Data Manipulation, Applied Mathematics, Machine Learning, Python Programming, Algebra, Image Analysis
★ 4.6 (2.4K) · Intermediate · Course · 1 - 4 Weeks
Michigan State University
Skills you'll gain: Design Elements And Principles, Photography, Photo Editing, Peer Review, Post-Production, Image Quality, Photo/Video Production and Technology, File Management, Aesthetics, Visual Storytelling, Creative Design, Creativity, Digital Publishing, Web Presence, Social Media, Editing, Storytelling, Copywriting, Information Privacy, Writing
★ 4.7 (6.7K) · Beginner · Specialization · 3 - 6 Months

Skills you'll gain: PyTorch (Machine Learning Library), Model Evaluation, Convolutional Neural Networks, Transfer Learning, Image Analysis, Model Training, Deep Learning, Python Programming
★ 4.4 (232) · Intermediate · Guided Project · Less Than 2 Hours

SkillsBooster Academy
Skills you'll gain: Prompt Engineering, Large Language Modeling, Data Ethics, AI Orchestration, Responsible AI, Prompt Patterns, AI literacy, Agentic Workflows, LLM Application, AI Enablement, AI Security, Context Engineering, AI Workflows, AI powered creativity, AI Personalization, Generative AI, Artificial Intelligence and Machine Learning (AI/ML), Business Transformation, Business Operations, Personal Development
★ 4.8 (24) · Beginner · Specialization · 3 - 6 Months

Duke University
Skills you'll gain: Sampling (Statistics), Exploratory Data Analysis, R (Software), Probability & Statistics, Statistical Inference, Probability Distribution, Bayesian Statistics, R Programming, Data Analysis, Probability, Statistics, Statistical Methods, Statistical Analysis, Statistical Software, Descriptive Statistics
★ 4.7 (5.9K) · Beginner · Course · 1 - 3 Months

LearnQuest
Skills you'll gain: Model Evaluation, Time Series Analysis and Forecasting, Feature Engineering, Inventory Management, Model Training, Demand Planning, Matplotlib, Inventory Control, Predictive Modeling, Forecasting, Exploratory Data Analysis, Data Visualization, Model Optimization, Pandas (Python Package), Data Manipulation, Data Transformation, Machine Learning
★ 3.9 (10) · Intermediate · Course · 1 - 4 Weeks

Unilever
Skills you'll gain: Web Analytics, Social Media Campaigns, Campaign Management, Web Analytics and SEO, Digital Marketing, Google Analytics, Social Media Marketing, Search Engine Marketing, Digital Media Strategy, Social Media Strategy, Marketing Strategies, Search Engine Optimization, Keyword Research, Online Advertising, Marketing Analytics, A/B Testing, Social Media, Campaign Planning, Advertising Campaigns, Value Propositions
★ 4.8 (65) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Data Preprocessing, Unsupervised Learning, Model Evaluation, Time Series Analysis and Forecasting, Supervised Learning, Machine Learning, Machine Learning Methods, Artificial Intelligence and Machine Learning (AI/ML), Applied Machine Learning, Machine Learning Algorithms, Data Processing, Model Training, Feature Engineering, Artificial Intelligence, Deep Learning, Classification Algorithms, Model Optimization, Regression Analysis
★ 4.4 (30) · Intermediate · Course · 1 - 4 Weeks