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.

LearnQuest
Skills you'll gain: JUnit, Unit Testing, Software Testing, Test Tools, Java
★ 3.3 (13) · Intermediate · Course · 1 - 4 Weeks
Skills you'll gain: Classification And Regression Tree (CART), Convolutional Neural Networks, Random Forest Algorithm, Recurrent Neural Networks (RNNs), Decision Tree Learning, Deep Learning, Applied Machine Learning, Artificial Neural Networks, Artificial Intelligence and Machine Learning (AI/ML), Machine Learning Algorithms, Predictive Modeling, Supervised Learning, Computer Vision, Classification Algorithms, Model Training, Natural Language Processing
★ 4.9 (14) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: GitHub Copilot, Unit Testing, Test Script Development, Flask (Web Framework), Front-End Web Development, Web Applications, Web Development, Microsoft Visual Studio, Python Programming, Development Environment, User Interface (UI), Generative AI, Software Installation
★ 4.7 (18) · Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Web Scraping, Robotic Process Automation, Transaction Processing, Debugging, Business Process Automation, Verification And Validation, Development Testing, HR Tech, Automation, Workflow Management, Application Frameworks, Data Entry, Data Integration, Data Management
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: AWS CloudFormation, Amazon CloudWatch, Amazon Web Services, Cloud Management, Infrastructure as Code (IaC), Cloud Standards, Cloud Computing Architecture, Cloud Security, Security Controls, Application Security, Key Management, Threat Detection
Intermediate · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: Software Documentation, Java, API Design, Java Programming, Back-End Web Development, Application Programming Interface (API), Enterprise Application Management, Application Deployment, Databases, Data Persistence
★ 3.7 (15) · Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Maintainability, Code Review, Code Reusability, Test Driven Development (TDD), API Testing, LLM Application, API Design, Microsoft Visual Studio, Software Engineering, Engineering Software, Software Technical Review, Test Script Development, Integrated Development Environments, Unit Testing, Microservices, Peer Review, Quality Assessment
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Prompt Engineering, Retrieval-Augmented Generation, Generative AI, Generative AI Agents, AI Integrations, Document Management, LLM Application, Agentic Workflows, AI Workflows, Application Programming Interface (API), Agentic systems, System Configuration, Configuration Management
Intermediate · Course · 1 - 3 Months

Northeastern University
Skills you'll gain: Data Governance, Database Management, Database Architecture and Administration, Database Administration, Data Management, Relational Databases, Data Warehousing, Database Design, SQL, Transaction Processing, Stored Procedure, Data Security, Transact-SQL, Query Languages, Disaster Recovery, Data Storage Technologies, Encryption, Security Controls, Server Side, Data Encryption Standard
Mixed · Course · 1 - 3 Months

Coursera
Skills you'll gain: LLM Application, Large Language Modeling, Prompt Engineering, Model Optimization, Business Intelligence, Business Reporting, Model Training, Fine-tuning, Data Pipelines, Generative AI, Cost Benefit Analysis, Performance Analysis, Model Evaluation, Key Performance Indicators (KPIs), Quality Assessment
Intermediate · Course · 1 - 4 Weeks

University of Toronto
Skills you'll gain: iOS Development, Apple iOS, Swift Programming, Mobile Development, Animations, Application Development, Computer Vision, Image Analysis
★ 3.2 (70) · Mixed · Course · 1 - 3 Months

Skills you'll gain: Splunk, Network Troubleshooting, Data Processing, Data Integration, Scripting, Data Infrastructure, Software Installation, System Monitoring, Dataflow, Data Pipelines, Data Capture, Continuous Monitoring, System Configuration, Configuration Management, Data Collection, Data Integrity, Metadata Management
Beginner · Course · 1 - 3 Months