Back end courses can help you learn server-side programming, database management, API development, and cloud computing. You can build skills in data modeling, performance optimization, and security practices. Many courses introduce tools like Node.js, Express, and SQL databases, along with methods for integrating third-party services and managing user authentication.

Edureka
Skills you'll gain: API Design, Application Programming Interface (API), Postman API Platform, Restful API, API Testing, Application Deployment, Continuous Deployment, CI/CD, Application Lifecycle Management, Test Automation, Software Documentation, Application Performance Management, Continuous Integration
★ 3.5 (11) · Beginner · Course · 1 - 4 Weeks

JetBrains
Skills you'll gain: Object Oriented Design, File I/O, Data Structures, Python Programming, Programming Principles, Code Reusability, Computer Programming, Scripting, Data Processing, Package and Software Management, Code Review, Computational Logic, NumPy, Development Environment, Integrated Development Environments, Computational Thinking, Software Installation, Numerical Analysis
★ 4.6 (11) · Beginner · Course · 1 - 3 Months

EDUCBA
Skills you'll gain: MySQL, Database Development, Database Design, User Interface (UI), Python Programming, User Interface (UI) Design, UI Components, Database Application, Database Management, Relational Databases, Application Design, SQL, Application Development, Application Frameworks, Data Access
★ 4.6 (11) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Big Data, Data Processing, Data Analysis, Analysis
★ 4.6 (13) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Overcoming Obstacles, Meditation & Breathwork, Positivity, Resilience, Creativity, Mindfulness, Growth Mindedness, Empowerment, Personal Development, Goal Setting, Self-Discipline, Self-Motivation, Courage, Self-Awareness, Visionary, Habit Formation, Action Oriented
★ 4.7 (6) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: JUnit, Spring Framework, Spring Boot, Java Programming, Java, Apache Maven, Unit Testing, Gradle, Application Programming Interface (API), Google Cloud Platform, Simple Object Access Protocol (SOAP), Application Deployment, Development Environment, Hibernate (Java), Cloud Deployment, Back-End Web Development, YAML, Restful API, Software Configuration Management, Load Balancing
★ 4.8 (8) · Intermediate · Specialization · 3 - 6 Months

University of Colorado Boulder
Skills you'll gain: Unsupervised Learning, Anomaly Detection, Data Preprocessing, Machine Learning Methods, Data Mining, Applied Machine Learning, Feature Engineering, Data Analysis, Correlation Analysis, Algorithms
★ 4.8 (12) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Pandas (Python Package), Matplotlib, NumPy, Embeddings, Statistical Visualization, Machine Learning Algorithms, Natural Language Processing, Applied Machine Learning, Data Manipulation, Pivot Tables And Charts, Model Optimization, Machine Learning Methods, Linear Algebra, Deep Learning, Text Mining, Classification Algorithms, Markov Model, Unsupervised Learning, Data Preprocessing, Python Programming
★ 4.8 (11) · Beginner · Specialization · 3 - 6 Months
Starweaver
Skills you'll gain: Responsible AI, Sustainable Development, Social Impact, Data Ethics, Sustainable Business, Generative AI, Sustainable Systems, Corporate Sustainability, AI literacy, Diversity Equity and Inclusion Initiatives, Sustainability Reporting, Diversity and Inclusion, Artificial Intelligence, Environmental Social And Corporate Governance (ESG), Business Ethics, Climate Change Mitigation, Environmental Issue, Problem Solving, Content Strategy
★ 4.8 (10) · Intermediate · Course · 1 - 4 Weeks
Skills you'll gain: Mediation, Conflict Management, Emotional Intelligence, Collaboration, Team Collaboration, Root Cause Analysis, Empathy, Discussion Facilitation, Communication, Communication Strategies, Employee Engagement, Employee Retention
★ 4.6 (20) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Routing Protocols, TCP/IP, Network Switches, Network Routers, Virtual Local Area Network (VLAN), Network Protocols, Network Security, General Networking, Network Routing, Network Troubleshooting, Network Administration, Computer Networking, Open Shortest Path First (OSPF), Network Monitoring, Dynamic Host Configuration Protocol (DHCP), Local Area Networks, Network Planning And Design, Border Gateway Protocol, Network Performance Management, Proxy Servers
★ 4.8 (14) · Intermediate · Course · 1 - 3 Months

Duke University
Skills you'll gain: Telehealth, Clinical Assessment, Health Technology, Vital Signs, Health Assessment, Patient Preparation, Patient Evaluation, Basic Patient Care, End User Training and Support, Patient Education and Support, Patient Communication, Patient Safety, Problem Management
★ 4.9 (32) · Beginner · Course · 1 - 4 Weeks