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: 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

LearnQuest
Skills you'll gain: Apache Maven, Spring Framework, Microservices, Java Platform Enterprise Edition (J2EE), Spring Boot, Java, Java Programming, Back-End Web Development, Software Architecture, Load Balancing, Application Servers, Restful API, Web Applications, Scalability
Advanced · Course · 1 - 4 Weeks

Skills you'll gain: Restful API, Application Security, Java, Model View Controller, Development Environment, Web Applications, Application Programming Interface (API), Apache Maven, Authorization (Computing), Authentications, Role-Based Access Control (RBAC)
Intermediate · Course · 1 - 4 Weeks

Harvard Business Review
Skills you'll gain: Innovation, Team Performance Management, Constructive Feedback, Talent Management, Employee Retention, Teamwork, Employee Coaching, Team Building, Crisis Management, Creative Thinking, Team Management, Virtual Teams, Talent Acquisition, Workforce Development, Curiosity, Ideation, Organizational Change, Strategic Leadership, Leadership, Leadership Development
Intermediate · Specialization · 3 - 6 Months
University of Virginia
Skills you'll gain: Design Thinking, Stakeholder Analysis, Human Centered Design, User Experience, Persona Development, Process Mapping, Value Engineering, User Research, Customer experience improvement, Qualitative Research, Customer Insights, Strategic Thinking, Innovation, Interviewing Skills
Beginner · Course · 1 - 3 Months

Skills you'll gain: Snowflake Schema, Data Pipelines, Apache Airflow, Data Security, Data Governance, Extract, Transform, Load, Apache Kafka, Performance Tuning, Data Warehousing, Amazon S3, Amazon Web Services, Real Time Data, SQL
Intermediate · Course · 3 - 6 Months

LearnKartS
Skills you'll gain: Spring Boot, Spring Framework, Java Programming, Java, Java Platform Enterprise Edition (J2EE), Full-Stack Web Development, Hibernate (Java), Apache Tomcat, Server Side, Performance Tuning, Web Applications, Model View Controller, Object-Relational Mapping, Restful API, SQL, Transaction Processing
Intermediate · Course · 1 - 3 Months

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

Skills you'll gain: Grafana, Apache Kafka, Real Time Data, Data Pipelines, Dashboard, Data Synthesis, Interactive Data Visualization, Data Visualization Software, Data Analysis
Intermediate · Project · Less Than 2 Hours

Skills you'll gain: Jenkins, CI/CD, Apache Tomcat, Apache Maven, Docker (Software), Continuous Integration, Application Lifecycle Management, Shell Script, Continuous Deployment, Application Deployment, DevOps, Continuous Delivery, Command-Line Interface, Git (Version Control System)
Intermediate · Course · 1 - 4 Weeks

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

Skills you'll gain: Google Cloud Platform, Data Lakes, Extract, Transform, Load, Cloud Storage, Data Pipelines, Data Migration, Apache Airflow, Data Warehousing, Apache Spark, SQL, Data Sharing, Automation
Beginner · Course · 1 - 3 Months