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.

Duke University
Skills you'll gain: Containerization, CI/CD, Docker (Software), DevOps, Jenkins, Application Deployment, Continuous Integration, Rust (Programming Language), Prometheus (Software), Continuous Delivery, System Monitoring, JSON, Scripting, Command-Line Interface, Continuous Monitoring, Automation, System Programming, Software Testing, GitHub
★ 4.2 (18) · Intermediate · Course · 1 - 4 Weeks

University of Minnesota
Skills you'll gain: Operations Research, Mathematical Modeling, Business Modeling, Business Analytics, Analytics, Process Optimization, Data-Driven Decision-Making, Model Optimization, Microsoft Excel, Decision Making, Excel Formulas, Spreadsheet Software, Graphing
★ 4.7 (91) · Beginner · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Statistical Modeling, Statistical Machine Learning, Data Science, Statistical Methods, Classification And Regression Tree (CART), Statistical Analysis, Model Evaluation, Regression Analysis, Predictive Modeling, R Programming, Statistical Inference, Logistic Regression, Model Training, Machine Learning, Classification Algorithms, Supervised Learning, Unsupervised Learning, Machine Learning Algorithms
★ 4.1 (18) · Intermediate · Course · 1 - 3 Months

Salesforce
Skills you'll gain: Overcoming Objections, Prospecting and Qualification, Lead Generation, Sales Development, Sales Prospecting, Cold Calling, Emotional Intelligence, Phone Sales, Selling Techniques, Sales, Sales Strategy, Closing (Sales), Rapport Building, Empathy, Cross-Channel Marketing, Active Listening, Value Propositions, Persona Development
★ 4.8 (46) · Beginner · Course · 1 - 3 Months

Erasmus University Rotterdam
Skills you'll gain: Social Justice, Liberal Arts, Political Sciences, Creativity, Experimentation, Case Studies, Ethical Standards And Conduct
★ 3.9 (22) · Intermediate · Course · 1 - 3 Months

Coursera
Skills you'll gain: Model Training, Model Optimization, Statistical Machine Learning, Scikit Learn (Machine Learning Library), Applied Machine Learning
Intermediate · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: Visual Basic (Programming Language), Development Environment, Program Development, Microsoft Development Tools, Microsoft Visual Studio, Programming Principles, .NET Framework, Computer Programming, Integrated Development Environments, Software Development, Software Installation, Debugging
★ 4.7 (52) · Beginner · Course · 1 - 4 Weeks
University of Illinois Urbana-Champaign
Skills you'll gain: Verification And Validation, Work Breakdown Structure, Requirements Management, Requirements Analysis, Coordination, Functional Requirement, Product Quality (QA/QC), Augmented and Virtual Reality (AR/VR), Strategic Thinking, Technology Strategies, Quality Assurance and Control, Strategic Communication, Strategic Leadership, Stakeholder Engagement, Plan Execution, Internal Communications, Business Requirements, Project Management Life Cycle, Business Metrics, Software Development Methodologies
★ 4.8 (53) · Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Infrastructure as Code (IaC), Scripting, Data Persistence, Python Programming, AI Workflows, Command-Line Interface, Virtual Machines, Data Pipelines
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: AI Workflows, Salesforce, Prompt Engineering Tools, AI Security, Responsible AI, Salesforce Development, Agentic Workflows, Data Ethics, Generative AI Agents, AI Integrations, Customer Relationship Management (CRM) Software, Customer Relationship Management, Generative AI, Data Loss Prevention, Predictive Modeling, Model Training, Data Security, Large Language Modeling
Intermediate · Course · 1 - 3 Months

Coursera
Skills you'll gain: Operations Research, Revenue Management, Demand Planning, Process Optimization, Process Improvement and Optimization, Simulation and Simulation Software, Logistics, Model Optimization, Microsoft Excel, Logistics Management, Business Analytics, Transportation, Supply Chain, and Logistics, Forecasting, Supply Chain, Risk Analysis, Regulatory Compliance, Cost Reduction
Intermediate · Course · 1 - 4 Weeks

IE Business School
Skills you'll gain: Growth Strategies, Performance Metric, Entrepreneurship, Diversity and Inclusion, Team Building, Performance Measurement, Culture Transformation, Governance, Key Performance Indicators (KPIs), Corporate Strategy, Diversity Awareness, Employee Onboarding, Process Development, Sales Management, Compliance Management, Sales Strategy, Risk Appetite, Risk Mitigation, Strategic Thinking, Leadership
★ 4.4 (33) · Intermediate · Specialization · 3 - 6 Months