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.

Infosec
Skills you'll gain: Open Web Application Security Project (OWASP), Exploitation techniques, Authentications, Vulnerability Assessments, Application Security, Vulnerability Management, Event Monitoring, Security Controls, Data Integrity, Continuous Monitoring, Secure Coding, System Monitoring, Patch Management, Identity and Access Management, Multi-Factor Authentication, Authorization (Computing), Cryptography, Extensible Markup Language (XML), System Configuration, Incident Response
★ 4.5 (125) · Intermediate · Specialization · 3 - 6 Months

LearnQuest
Skills you'll gain: Stored Procedure, PL/SQL, Relational Databases, Object-Relational Mapping, SQL, Data Access, Databases, Database Design, Data Persistence, Object Oriented Design, Java, Data Manipulation, Data Mapping, Java Programming, Database Development, JUnit, Object Oriented Programming (OOP), Database Software, Query Languages, Database Management
★ 4.7 (56) · Beginner · Specialization · 1 - 3 Months

Korea Advanced Institute of Science and Technology(KAIST)
Skills you'll gain: Matplotlib, Tensorflow, NumPy, Pandas (Python Package), Object Oriented Programming (OOP), Seaborn, Python Programming, Artificial Intelligence and Machine Learning (AI/ML), Keras (Neural Network Library), Scikit Learn (Machine Learning Library), Data Manipulation
★ 4.6 (26) · Beginner · Course · 1 - 3 Months

University of London
Skills you'll gain: Financial Statements, Business Planning, Organizational Structure, Balance Sheet, Income Statement, Financial Analysis, Customer Analysis, Business Strategy, Organizational Effectiveness, Business Strategies, Business Management, Target Market, Financial Planning, Consumer Behaviour, Cost Accounting, Management Accounting, Cash Flow Forecasting, Market Analysis
★ 4.7 (118) · Mixed · Course · 1 - 3 Months

École Polytechnique Fédérale de Lausanne
Skills you'll gain: Digital Signal Processing, Electrical Engineering, Communication Systems, Electronics, Telecommunications, Linear Algebra, Mathematical Modeling
★ 4.8 (95) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Retrieval-Augmented Generation, LLM Application, Large Language Modeling, Generative Model Architectures, Generative AI, Fine-tuning, Model Evaluation, Responsible AI, Information Privacy
★ 3.7 (15) · Beginner · Course · 1 - 3 Months

SkillUp
Skills you'll gain: Scrum (Software Development), Sprint Planning, Agile Project Management, Team Building, Agile Methodology, Team Management, Meeting Facilitation, Organizational Change, Team Leadership, Employee Coaching, Discussion Facilitation, Stakeholder Management, Change Management, Initiative and Leadership, Conflict Management, Leadership
★ 4.6 (96) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Software Documentation, Generative AI, Debugging, ChatGPT, Development Environment, Technical Documentation, Python Programming, Program Development, Software Development, Application Development
★ 4.3 (22) · Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: English Language, Language Competency, Oral Comprehension, Grammar, Language Learning, Vocabulary
★ 4.9 (29) · Mixed · Course · 1 - 3 Months

Emory University
Skills you'll gain: Rmarkdown, Collaborative Software, Technical Documentation, Document Management, Technical Writing, Data Sharing, R (Software), Technical Communication
★ 4.7 (20) · Beginner · Course · 1 - 3 Months

California Institute of the Arts
Skills you'll gain: Intellectual Property, Tax Preparation, Contract Management, Tax Management, Staff Management, Team Management, People Management, Tax Compliance, Tax Planning, Legal Risk, Benefits Administration, Contract Compliance, Regulation and Legal Compliance, Law, Regulation, and Compliance, Business Planning
★ 5 (41) · Intermediate · Course · 1 - 3 Months

École Polytechnique
Skills you'll gain: Electrical Power, Electrical Systems, Electric Power Systems, Energy and Utilities, Environmental Issue, Sustainable Systems, Technology Solutions, Network Planning And Design, Time Series Analysis and Forecasting
★ 4.5 (33) · Beginner · Course · 1 - 4 Weeks