Data Structures and Algorithms courses can help you learn about arrays, linked lists, trees, and graph structures, along with sorting and searching algorithms. You can build skills in problem-solving, optimizing code efficiency, and analyzing algorithm complexity. Many courses introduce tools like Python, Java, or C++ for implementing these concepts, as well as platforms for coding challenges that reinforce your understanding through practical application.

The Hong Kong University of Science and Technology
Skills you'll gain: FinTech, Financial Regulation, Business Continuity Planning, Compliance Management, Disaster Recovery, Financial Regulations, Operational Risk, Bank Regulations, Risk Management, Business Risk Management, Financial Industry Regulatory Authorities, Financial Services, Governance, IT Management, Information Assurance, Market Trend, Internal Controls, Emerging Technologies, Banking, Blockchain
Beginner · Specialization · 3 - 6 Months

Alex Genadinik
Skills you'll gain: Blockchain, Digital Assets, Emerging Technologies, FinTech, Payment Systems, Distributed Computing, Data Security
Mixed · Course · 1 - 3 Months

Skills you'll gain: Market Data, Portfolio Risk, Return On Investment, Risk Analysis, Financial Regulation
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Medical Privacy, Medical Records, Medical Office Procedures, Medical Assistance, Conflict Management, Health Insurance Portability And Accountability Act (HIPAA) Compliance, Health Information Management and Medical Records, Health Information Management, Electronic Medical Record, Patient Registration, Patient Coordination, Cultural Responsiveness, Electronic Medical Record System, Medical History Documentation, Patient Education And Counseling, Care Coordination, Patient-centered Care, Professionalism, Professional Development, Time Management
Beginner · Specialization · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Systems Engineering, Aerospace Basic Quality System Standards, Global Positioning Systems, Engineering Design Process, Control Systems, Systems Integration, Engineering, Human Factors, System Testing, Communication Systems, Robotics, Automation, Structural Engineering, Thermal Management, Physical Science, Electric Power Systems, Environmental Monitoring, Mechanics
Beginner · Course · 1 - 3 Months
University of Manchester
Skills you'll gain: Physical Science, Environment, Hydrology, Water Resources, Mathematical Modeling, Climate Change Adaptation, Environmental Science, Biology, Simulations, Scientific Methods, Chemistry
Beginner · Course · 1 - 3 Months

Skills you'll gain: Expense Management, Travel Arrangements, Auditing, Accounts Payable, Accounting, Cost Control, Compliance Auditing, Compliance Management, Fraud detection, Decision Making, Document Management, Record Keeping, Verification And Validation
Beginner · Course · 1 - 4 Weeks

Vanderbilt University
Skills you'll gain: AI Orchestration, LangChain, OpenAI API, Generative AI Agents, Prompt Patterns, AI Workflows, Prompt Engineering, Agentic systems, AI Security, Large Language Modeling, Business Logic, File I/O, Transaction Processing, Document Management, Persona Development, Coordination, Plan Execution
Beginner · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: R Programming, Rmarkdown, Tidyverse (R Package), Ggplot2, Data Import/Export, Data Visualization, Data Analysis, Data Visualization Software, Data Science, Data Manipulation, Data Storytelling, Statistical Analysis, Data Cleansing, Data Integration, Data Transformation, Communication
Beginner · Course · 1 - 4 Weeks

Niel Asher Education
Skills you'll gain: Manual Therapy, Mindfulness, Self-Awareness, Empathy & Emotional Intelligence, Physical Therapy, Cognitive Behavioral Therapy, Rehabilitation, Psychotherapy, Patient Communication, Mental Health Therapies, Athletic Training, Stress Management, Coaching, Communication, Intravenous Therapy
Intermediate · Course · 1 - 4 Weeks

The Hong Kong University of Science and Technology
Skills you'll gain: Physics, Thermal Management, Calculus, Mechanics, Advanced Mathematics, Mathematical Modeling
Beginner · Course · 1 - 3 Months

Skills you'll gain: Stakeholder Communications, Discussion Facilitation, Strategic Communication, Project Coordination, Stakeholder Engagement, Analysis, Project Scoping, Process Mapping
Intermediate · Course · 1 - 4 Weeks