Parallel programming courses can help you learn multithreading, synchronization, and performance optimization techniques. You can build skills in designing algorithms that efficiently utilize multiple processors and managing shared resources. Many courses introduce tools like OpenMP, MPI, and CUDA, that support implementing parallel computing solutions in various applications, from scientific simulations to data processing tasks.

Scrimba
Skills you'll gain: Responsive Web Design, HTML and CSS, Cascading Style Sheets (CSS), Web Design, Web Design and Development, Web Development, UI Components, Usability, Typography
Intermediate · Course · 1 - 3 Months

Coursera
Skills you'll gain: Java, Java Programming, Algorithms, Computational Thinking, Programming Principles, Object Oriented Programming (OOP), Computer Programming, Functional Design, Development Environment
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: JUnit, Spring Framework, Spring Boot, Java, Apache Maven, Hibernate (Java), Unit Testing, Gradle, Microservices, Application Programming Interface (API), Google Cloud Platform, Simple Object Access Protocol (SOAP), Application Deployment, Development Environment, Cloud Deployment, OAuth, YAML, Restful API, Load Balancing, Configuration Management
Intermediate · Specialization · 3 - 6 Months
University of Glasgow
Skills you'll gain: Computational Thinking, JSON, Application Deployment, Data Structures, Javascript, Application Development, Analytics, HTML and CSS, Data Analysis, Code Review, Software Development, Data Visualization Software, Web Development, Web Applications, Scripting, Prototyping, Data Processing, Programming Principles, Unsupervised Learning, Computer Programming
Beginner · Specialization · 3 - 6 Months

Duke University
Skills you'll gain: MySQL, Bash (Scripting Language), Scripting, Database Management, Relational Databases, Command-Line Interface, SQL, Databases, Data Import/Export, Database Application, Data Pipelines, Data Manipulation, Python Programming, Linux
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Microsoft SQL Servers, SQL, Database Design, Stored Procedure, Relational Databases, Database Systems, Database Architecture and Administration, Query Languages, Data Manipulation, Microsoft Development Tools, Scripting, Authentications, User Accounts
Beginner · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: DeepSeek API, Deepseek, AI Workflows, Agentic Workflows, AI Enablement, Retrieval-Augmented Generation, Embeddings, Program Development, Model Deployment
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Ggplot2, Tidyverse (R Package), Data Visualization, Data Analysis, Exploratory Data Analysis, R Programming, Data Visualization Software, Data Manipulation, R (Software)
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Version Control, Debugging, Microsoft Visual Studio, Integrated Development Environments, Software Development Tools, Development Environment, Software Development
Intermediate · Guided Project · Less Than 2 Hours

Ball State University
Skills you'll gain: Data Visualization, Rmarkdown, Exploratory Data Analysis, Data Visualization Software, Ggplot2, Interactive Data Visualization, Plot (Graphics), Statistical Visualization, R (Software), R Programming, Data Storytelling, Histogram, Scatter Plots, Data Analysis, Tidyverse (R Package), Data Manipulation
Build toward a degree
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Data Visualization, Data Visualization Software, Data Presentation, Interactive Data Visualization, Data Literacy, Visualization (Computer Graphics), Javascript, Data Analysis, Microsoft Visual Studio
Intermediate · Guided Project · Less Than 2 Hours

DeepLearning.AI
Skills you'll gain: Full-Stack Web Development, Retrieval-Augmented Generation, Web Applications, JavaScript Frameworks, React.js, LLM Application, Web Development, Javascript, Tool Calling, Generative AI Agents, Data Persistence, Query Languages
Beginner · Project · Less Than 2 Hours