Information retrieval courses can help you learn search algorithms, indexing techniques, and data mining strategies. You can build skills in evaluating search results, optimizing query performance, and understanding user intent. Many courses introduce tools like Elasticsearch, Apache Solr, and various machine learning libraries, showing how these technologies enhance information retrieval processes and improve the accuracy of search results.

Skills you'll gain: Open Web Application Security Project (OWASP), API Design, Application Programming Interface (API), Application Security, Secure Coding, Security Controls, Vulnerability Assessments, Authorization (Computing), Hardening, Cryptographic Protocols, Cryptography, Authentications, Exploitation techniques
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Wireless Networks, Virtualization and Virtual Machines, Network Administration, Virtual Machines, General Networking, Virtualization, Computing Platforms, Network Troubleshooting, Network Support, Network Security, Cloud Computing, Security Controls, Networking Hardware, Virtual Private Networks (VPN), Mobile Security, Local Area Networks, Information Technology Operations, Firewall, Hardware Troubleshooting, Information Systems Security
Intermediate · Course · 1 - 3 Months

Illinois Tech
Skills you'll gain: DevSecOps, DevOps, User Centered Design, Usability, Systems Integration, Continuous Delivery, Systems Development, Devops Tools, Systems Analysis, System Implementation, Human Centered Design, Continuous Integration, Application Security, Information Systems, Software Development, CI/CD, Secure Coding, Systems Engineering, Security Testing, Database Management Systems
Build toward a degree
Intermediate · Course · 1 - 3 Months

Skills you'll gain: SAS (Software), Forecasting, Spatial Data Analysis, Data Visualization Software, Data Mapping, Interactive Data Visualization, Time Series Analysis and Forecasting, Trend Analysis, Predictive Analytics, Geospatial Mapping, Data Analysis, Geospatial Information and Technology, Data Wrangling, Geographic Information Systems, Advanced Analytics, Analytics, Data Transformation, Statistical Programming
Intermediate · Course · 1 - 4 Weeks

Politecnico di Milano
Skills you'll gain: Agile Project Management, Scaled Agile Framework, Team Oriented, Team Management, Agile Software Development, Team Building, Team Motivation, Agile Product Development, Teamwork, Team Performance Management, Culture Transformation, Agile Methodology, Organizational Leadership, Organizational Development, Trustworthiness, Innovation, Constructive Feedback, Cross-Functional Collaboration, Leadership
Beginner · Course · 1 - 3 Months

LearnKartS
Skills you'll gain: Apache Kafka, Dataflow, Live Streaming, Performance Metric, Event-Driven Programming, Transaction Processing, Scala Programming, Data Security, Event Monitoring, Network Troubleshooting, Network Architecture
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Peripheral Devices, Hardware Troubleshooting, Desktop Support, Computer Hardware, Technical Support, System Requirements, System Configuration, Display Devices, Issue Tracking, Patch Management, Data Storage, Usability, Memory Management
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Load Balancing, Google Cloud Platform, Virtual Machines, Cloud Engineering, Amazon Elastic Compute Cloud, Amazon Web Services, Public Cloud, Cloud Infrastructure, Cloud Platforms, Virtual Networking, Cloud Deployment, Network Routing, Firewall
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Linux, Ubuntu, Shell Script, Linux Commands, Unix Shell, Linux Administration, Command-Line Interface, OS Process Management, File Systems, Virtualization and Virtual Machines, File Management, Virtual Environment, Virtualization, Virtual Machines, Software Installation, Graphical Tools
Beginner · Course · 1 - 3 Months

Skills you'll gain: Application Security, Cloud Applications, Cloud Security, Identity and Access Management, Secure Coding, Security Awareness, Security Testing, Data Security, Cloud Deployment, User Provisioning, Software Development, Verification And Validation, Software Quality Assurance, Threat Management, Authentications, Functional Testing
Advanced · Course · 1 - 4 Weeks

Skills you'll gain: Threat Modeling, Risk Management, Continuous Monitoring, Risk Mitigation, Vulnerability Management
Intermediate · Course · 1 - 4 Weeks

Ball State University
Skills you'll gain: Program Development, Data Analysis, Programming Principles, Statistical Analysis, Computer Programming, Analytics, Python Programming, Natural Language Processing, Computer Science, Text Mining, NumPy, Data Processing, Code Reusability, Mathematical Software, Debugging, Computational Logic, Data Manipulation
Build toward a degree
Beginner · Course · 1 - 3 Months