Apache Spark courses can help you learn data processing, real-time analytics, machine learning basics, and big data management. You can build skills in distributed computing, data transformation, and creating data pipelines. Many courses introduce tools like Spark SQL, MLlib for machine learning, and GraphX for graph processing, showing how these skills are applied to analyze large datasets and optimize data workflows.

Whizlabs
Skills you'll gain: Amazon DynamoDB, Amazon Redshift, Databases, Database Architecture and Administration, Relational Databases, Apache Cassandra, NoSQL, Amazon S3, Data Warehousing, SQL, Redis, Data Analysis Expressions (DAX)
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Linux, Ubuntu, Linux Administration, Linux Servers, General Networking, Linux Commands, OS Process Management, Firewall, File Systems, Bash (Scripting Language), Network Security, Unix Commands, Command-Line Interface, File Management, Operating Systems, System Monitoring, Virtualization, Virtual Environment, Virtual Machines, User Accounts
Beginner · Course · 1 - 3 Months

LearnKartS
Skills you'll gain: Conflict Management, Emotional Intelligence, Mediation, Teamwork, Negotiation, De-escalation Techniques, Collaboration, Leadership, Empathy, Active Listening, Communication
Intermediate · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Data Warehousing, Apache Hadoop, Distributed Computing, Scalability, Transaction Processing, Database Systems, Database Design, Database Management Systems, Relational Databases, Database Architecture and Administration, Database Management, Cloud Computing, Query Languages, Big Data, Databases, Data Processing, Machine Learning, SQL, Data Access, Performance Tuning
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Gherkin (Scripting Language), Debugging, Integration Testing, Software Design Patterns, Test Data, Scripting, Web Development Tools, Data Structures, Automation, SQL, Cascading Style Sheets (CSS), MySQL, Hypertext Markup Language (HTML)
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Data Import/Export, Data Visualization Software, Data Visualization, Restful API, Data Mapping, Interactive Data Visualization, Histogram, Data Transformation, Amazon Web Services, Data Processing, Cloud Platforms, Apache Kafka, Scalability, Information Architecture, System Monitoring, Application Performance Management, Cloud Computing, Data Management, JSON, Data Structures
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Linux, Linux Administration, Linux Commands, Linux Servers, Shell Script, Unix, Unix Shell, Systems Administration, Unix Commands, Command-Line Interface, Patch Management, Scripting Languages, Package and Software Management, Virtualization and Virtual Machines, File Systems, File Management, Data Storage, Security Controls, User Accounts, Authorization (Computing)
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Spring Boot, Application Development, Application Deployment, Application Frameworks, Software Testing, Test Case, Development Environment, Model View Controller, API Design, Software Development Tools, Java Platform Enterprise Edition (J2EE), UI Components, Data Access, Authentications, SQL, Object Oriented Programming (OOP), JSON, Functional Design, Databases
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: JUnit, Apache Maven, Spring Framework, Spring Boot, Model View Controller, Unit Testing, Microservices, Application Development, Redis, Restful API, YAML, Java, Java Programming, MongoDB, Application Deployment, Application Design, NoSQL, Ajax, Hibernate (Java), Software Testing
Beginner · Specialization · 3 - 6 Months

Packt
Skills you'll gain: Ansible, Devops Tools, Containerization, Docker (Software), Artifactory, Kubernetes, Prometheus (Software), Apache Maven, GitHub, CI/CD, DevOps, Continuous Integration, Version Control, Application Deployment, Software Development Tools, Build Tools, Continuous Deployment, Grafana, Application Performance Management, Continuous Delivery
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Data Import/Export, Apache Airflow, Cloud Storage, Data Migration, Google Cloud Platform, Data Pipelines, Configuration Management
Intermediate · Project · Less Than 2 Hours

Skills you'll gain: Cryptography, Exploratory Data Analysis, Event-Driven Programming, Encryption, Server Side, Web Development, Regression Analysis, Apache, Web Services, Machine Learning Algorithms, Public Key Cryptography Standards (PKCS), Web Scraping, Natural Language Processing, Web Applications, Key Management, Python Programming, Predictive Modeling, Machine Learning Methods, Back-End Web Development, Applied Machine Learning
Beginner · Specialization · 3 - 6 Months