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.

Skills you'll gain: Data Preprocessing, Data Visualization, Logistic Regression, Feature Engineering, Data Cleansing, Predictive Modeling, Scikit Learn (Machine Learning Library), Data Science, Classification And Regression Tree (CART), Applied Machine Learning, Regression Analysis, Supervised Learning, Machine Learning, Human Resources, Employee Retention, Machine Learning Algorithms
Beginner · Guided Project · Less Than 2 Hours

Coursera
Skills you'll gain: Generative AI, AI Product Strategy, Responsible AI, Data Ethics, AI Enablement, Artificial Intelligence, Creative Problem-Solving, HR Tech, Marketing, Information Privacy, Critical Thinking
Beginner · Course · 1 - 4 Weeks

University of California, Irvine
Skills you'll gain: Goal Setting, Interviewing Skills, Professional Networking, Artificial Intelligence and Machine Learning (AI/ML), Negotiation, Workforce Planning, Professional Development, LinkedIn, Artificial Intelligence, Machine Learning, Productivity, Talent Sourcing, Compensation and Benefits, Data Science, Data Analysis, Recruitment, Data Architecture, Presentations, Technical Management, Big Data
Beginner · Specialization · 1 - 3 Months

Coursera
Skills you'll gain: R Programming, Arithmetic, Statistical Programming, Development Environment, Programming Principles, Data Import/Export
Beginner · Guided Project · Less Than 2 Hours

Coursera
Skills you'll gain: Pay Per Click Advertising, Performance marketing, Google Ads, Keyword Research, Advertising Campaigns, Search Engine Marketing, Marketing Budgets, Online Advertising, Paid media, Advertising, Digital Advertising, Marketing, Data-Driven Decision-Making, Digital Marketing, Sales Presentation, Performance Metric
Beginner · Course · 1 - 4 Weeks

MedCerts
Skills you'll gain: Conflict Management, Child Development, Cultural Responsiveness, Human Development, Mental Health Diseases and Disorders, Patient Education And Counseling, Patient-centered Care, Mental Health Therapies, Professionalism, Professional Development, Pediatrics, Time Management, Mental Health, Emotional Intelligence, Ethical Standards And Conduct, Teamwork, Interpersonal Communications, Conscientiousness, Psychiatric And Mental Health Nursing, Behavioral Health
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Good Clinical Practices (GCP), Informed Consent, Institutional Review Board (IRB), Clinical Research Ethics, Clinical Research Coordination, Clinical Research, Clinical Trials, Clinical Data Management, Drug Development, Patient Education And Counseling, Record Keeping, Clinical Documentation, Regulatory Compliance, Document Management, Health Equity, Electronic Medical Record, Patient Communication, Risk Management
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Amazon S3, Amazon Elastic Compute Cloud, Amazon Web Services, Cloud Infrastructure, Cloud Management, Cloud Storage, Data Storage Technologies, Cloud Hosting, Virtual Networking, Hybrid Cloud Computing, Private Cloud, Network Routing, Network Infrastructure
Advanced · Course · 1 - 3 Months

Fractal Analytics
Skills you'll gain: Model Context Protocol, AI Security, Threat Modeling, AI Workflows, Secure Coding, LLM Application, Enterprise Architecture, Generative AI Agents, Security Controls, Interoperability, Agentic systems, Generative AI
Intermediate · Course · 1 - 4 Weeks

Northeastern University
Skills you'll gain: Project Closure, Engineering Management, Project Schedules, Project Controls, Work Breakdown Structure, Project Management Life Cycle, Scheduling, Project Implementation, Earned Value Management, Project Management, Timelines, Project Performance, Project Planning, Resource Planning, Resource Management, Resource Allocation, Forecasting, Performance Metric
Beginner · Course · 1 - 3 Months

Skills you'll gain: Variance Analysis, Supplier Performance Management, Contract Management, Supplier Quality Management, Service Level Agreement, Contract Compliance, Performance Measurement, Contract Accounting, Performance Review, Compliance Management, Key Performance Indicators (KPIs)
Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Reconciliation, Ledgers (Accounting), Auditing, Accounting Records, General Ledger
Beginner · Course · 1 - 4 Weeks