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.

Skills you'll gain: JUnit, Apache Maven, Unit Testing, Spring Framework, Spring Boot, Restful API, Software Testing, Test Case, Gradle, API Design, Software Development Tools, Integration Testing, JSON, Authentications
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Apache Maven, Eclipse (Software), Data Import/Export, Kotlin, Software Installation, Unit Testing, Database Management, File Management
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Selenium (Software), Test Automation, Browser Compatibility, Java Programming, Java, Software Testing, Javascript, Eclipse (Software), Apache Maven, Development Environment, Object Oriented Programming (OOP), Cascading Style Sheets (CSS), Hypertext Markup Language (HTML), Software Installation, System Configuration
Intermediate · Course · 3 - 6 Months

Board Infinity
Skills you'll gain: Software Documentation, Java, Back-End Web Development, Application Programming Interface (API), Application Deployment, Databases
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Writing, Storytelling, Copywriting, Persuasive Communication, Facebook, Business Writing, Content Creation, Social Media Content, Social Media, Drive Engagement, Social Media Campaigns, AI Product Strategy, Prompt Engineering Tools
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Test Automation, Selenium (Software), Test Tools, Test Case, Software Testing, Test Execution Engine, Test Data, Apache Maven, Automation, Application Frameworks, Java, Extensible Markup Language (XML), Data Import/Export
Beginner · Course · 1 - 3 Months

Skills you'll gain: Storytelling, Instagram, Copywriting, Content Creation, Drive Engagement, Concision, Social Media Content, Editing, Writing
Beginner · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Database Architecture and Administration, Apache Hadoop, Query Languages, Big Data, Databases, SQL, Data Access, Distributed Computing, Performance Tuning, Data Processing, Data Integrity, Data Storage Technologies, Algorithms
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Event-Driven Programming, Apache, Web Development, Web Scraping, Web Services, Web Applications, Python Programming, Web Servers, Databases, Extensible Markup Language (XML), Hypertext Markup Language (HTML), General Networking, Servers, User Interface (UI)
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Dataflow, Data Pipelines, Apache Kafka, Serverless Computing, Identity and Access Management, Cloud Security, Real Time Data, Data Security, Debugging, Data Processing, Google Cloud Platform, Data Integrity, CI/CD, Performance Tuning, Data Integration, Maintainability, Data Transformation, Unit Testing, JSON, SQL
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Apache Maven, Jenkins, Apache Tomcat, Application Deployment, Java, DevOps, Amazon Web Services, CI/CD, Amazon Elastic Compute Cloud, Git (Version Control System)
Beginner · Course · 1 - 3 Months

Google Cloud
Skills you'll gain: Google Cloud Platform, Cloud Applications, System Monitoring, Virtual Machines, Cloud Management, Event Monitoring, Network Monitoring, Cloud Platforms
Beginner · Project · Less Than 2 Hours