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SQL from Zero to Hero

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С++ Essentials

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Test Automation with Jest and Selenium

Test Automation with Jest and Selenium

Build on top of your previously acquired Manual Testing knowledge and learn Automation Testing using Node.JS and Jest. This course will also introduce you to some additional libraries and tools like Selenium, Axios and Jenkins.

course

TypeScript for JavaScript Developers

TypeScript for JavaScript Developers

Transition from JavaScript to TypeScript with practical, hands-on guidance. Compare syntax and workflows, migrate existing codebases safely, and use TypeScript's advanced typing system to create scalable, maintainable applications. Build confidence writing modern, type-safe JavaScript for real-world development.

course

Working with Interfaces and Generics in TypeScript

Working with Interfaces and Generics in TypeScript

A practical course on mastering interfaces and generics in TypeScript. Learn how to design robust type systems that make your code safer, cleaner, and easier to scale. From defining interfaces to building reusable generic patterns, this course provides a complete foundation for writing modern, type-safe applications.

course

AI Ethics 101

AI Ethics 101

An accessible introduction to the foundational ethical principles, challenges, and responsibilities in the development and deployment of Artificial Intelligence. This course is designed for beginners in AI and Data Science, focusing on theory and real-world implications.

course

AWS Certified Developer Associate

AWS Certified Developer Associate

The AWS Certified Developer – Associate certification validates your ability to develop, deploy, and troubleshoot cloud-based applications using AWS. This course provides a structured and hands-on approach to mastering AWS development concepts, from fundamental tools like AWS SDKs, IAM, and CloudFormation to serverless computing, event-driven architectures, and CI/CD automation. You'll gain practical experience with databases, caching solutions, and security best practices while optimizing applications for performance, scalability, and cost efficiency. The course also includes real-world scenarios and curated practice exam questions to help you confidently pass the certification exam. Whether you're a developer new to AWS or looking to formalize your knowledge, this course provides the essential skills needed to build modern cloud applications. This course is designed for developers who want to build, deploy, and optimize applications on AWS. Specifically, it benefits: Software Developers, DevOps & Cloud Engineers, Solution Architects (with Developer Focus), and Tech Leads & Engineering Managers

course

Advanced Tree-Based Models with Python

Advanced Tree-Based Models with Python

Master the most powerful modern tree-based ensemble methods—CatBoost, XGBoost, and LightGBM. Learn their unique innovations, practical tuning, and how to leverage them for high-performance machine learning tasks.

project

Analyzing Online Retail Sales Performance

Analyzing Online Retail Sales Performance

Analyze real-world retail transaction data to uncover customer purchasing patterns, peak shopping periods, and top-selling products for data-driven business optimization.

course

Automating Code and Thinking Manually

Automating Code and Thinking Manually

Explore the intersection of automation and human judgment in software development. This course guides developers in leveraging automated tools while preserving critical thinking, intuition, and thoughtful decision-making throughout the development process.

course

Bio-Inspired Algorithms with Python

Bio-Inspired Algorithms with Python

Explore the foundations and practical applications of bio-inspired algorithms in Python. This course covers evolutionary computation, swarm intelligence, and other nature-inspired optimization techniques, using only standard Python and permitted scientific libraries.

course

Business Analytics and Decision Making with Python

Business Analytics and Decision Making with Python

Master intermediate Python techniques for analyzing real-world business data, uncovering actionable insights, and supporting data-driven decision making. Learn to work with realistic e-commerce, SaaS, and financial datasets to perform cohort analysis, funnel analytics, unit economics, revenue breakdowns, customer segmentation, and metric frameworks using pandas, matplotlib, and seaborn.

course

C File Handling Basics

C File Handling Basics

A concise beginner-friendly course introducing the essentials of file handling in C, including file types, opening/closing files, reading/writing data, error handling, and file pointers. Each chapter features clear explanations, simple code examples, and interactive quizzes.

course

C Structs

C Structs

Gain a solid understanding of how structs work in C, from basic definitions to advanced memory concepts. Explore how pointers interact with structured data, discover efficient ways to organize information, and build confidence by implementing real data structures such as linked lists.

course

C++ Library Development

C++ Library Development

A comprehensive beginner-to-intermediate course guiding learners through the process of designing, implementing, packaging, and distributing C++ libraries. The course covers best practices for API design, project structuring, building static/shared libraries, and preparing libraries for real-world distribution.

course

C++ STL Iterators

C++ STL Iterators

This course explains how iterators work in the C++ Standard Template Library and how they connect containers and algorithms. You will learn what iterators are, how different iterator categories behave, and how to use them safely and idiomatically with STL containers and algorithms. By the end of the course, you will confidently read, write, and reason about iterator-based code, including const iterators, reverse iterators, and iterator invalidation rules.

course

Core Application Security

Core Application Security

Gain a comprehensive understanding of foundational application security concepts, threats, and best practices. This course covers the most common security problems in software applications, providing practical context and real-world examples to help you recognize and mitigate vulnerabilities.
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Career tracks

track
lockOnly for Ultimate
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SQL from Zero to Hero

laptop7 Courses
list248 Tasks

Beginner

4.7
(4049)
track
lockOnly for Ultimate
track image

С++ Essentials

laptop6 Courses
list124 Tasks

Beginner

4.3
(1321)
track
lockOnly for Ultimate
track image

Game Development with Unity

laptop4 Courses
list164 Tasks

Beginner

4.4
(297)
track
lockOnly for Ultimate
track image

Become a React Developer

laptop4 Courses
list73 Tasks

Intermediate

4.3
(124)
track
lockOnly for Ultimate
track image

Full Stack Web Development

laptop7 Courses
list386 Tasks

Beginner

4.6
(1482)
track
track image
For Ultimate

Only for Ultimate

SQL from Zero to Hero

laptop7 Courses
list248 Tasks
4.7
track
track image
For Ultimate

Only for Ultimate

С++ Essentials

laptop6 Courses
list124 Tasks
4.3
track
track image
For Ultimate

Only for Ultimate

Game Development with Unity

laptop4 Courses
list164 Tasks
4.4
track
track image
For Ultimate

Only for Ultimate

Become a React Developer

laptop4 Courses
list73 Tasks
4.3
track
track image
For Ultimate

Only for Ultimate

Full Stack Web Development

laptop7 Courses
list386 Tasks
4.6
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Courses & Projects

Technologies

course

Test Automation with Jest and Selenium

Test Automation with Jest and Selenium

Build on top of your previously acquired Manual Testing knowledge and learn Automation Testing using Node.JS and Jest. This course will also introduce you to some additional libraries and tools like Selenium, Axios and Jenkins.

course

TypeScript for JavaScript Developers

TypeScript for JavaScript Developers

Transition from JavaScript to TypeScript with practical, hands-on guidance. Compare syntax and workflows, migrate existing codebases safely, and use TypeScript's advanced typing system to create scalable, maintainable applications. Build confidence writing modern, type-safe JavaScript for real-world development.

course

Working with Interfaces and Generics in TypeScript

Working with Interfaces and Generics in TypeScript

A practical course on mastering interfaces and generics in TypeScript. Learn how to design robust type systems that make your code safer, cleaner, and easier to scale. From defining interfaces to building reusable generic patterns, this course provides a complete foundation for writing modern, type-safe applications.

course

AI Ethics 101

AI Ethics 101

An accessible introduction to the foundational ethical principles, challenges, and responsibilities in the development and deployment of Artificial Intelligence. This course is designed for beginners in AI and Data Science, focusing on theory and real-world implications.

course

AWS Certified Developer Associate

AWS Certified Developer Associate

The AWS Certified Developer – Associate certification validates your ability to develop, deploy, and troubleshoot cloud-based applications using AWS. This course provides a structured and hands-on approach to mastering AWS development concepts, from fundamental tools like AWS SDKs, IAM, and CloudFormation to serverless computing, event-driven architectures, and CI/CD automation. You'll gain practical experience with databases, caching solutions, and security best practices while optimizing applications for performance, scalability, and cost efficiency. The course also includes real-world scenarios and curated practice exam questions to help you confidently pass the certification exam. Whether you're a developer new to AWS or looking to formalize your knowledge, this course provides the essential skills needed to build modern cloud applications. This course is designed for developers who want to build, deploy, and optimize applications on AWS. Specifically, it benefits: Software Developers, DevOps & Cloud Engineers, Solution Architects (with Developer Focus), and Tech Leads & Engineering Managers

course

Advanced Tree-Based Models with Python

Advanced Tree-Based Models with Python

Master the most powerful modern tree-based ensemble methods—CatBoost, XGBoost, and LightGBM. Learn their unique innovations, practical tuning, and how to leverage them for high-performance machine learning tasks.

project

Analyzing Online Retail Sales Performance

Analyzing Online Retail Sales Performance

Analyze real-world retail transaction data to uncover customer purchasing patterns, peak shopping periods, and top-selling products for data-driven business optimization.

course

Automating Code and Thinking Manually

Automating Code and Thinking Manually

Explore the intersection of automation and human judgment in software development. This course guides developers in leveraging automated tools while preserving critical thinking, intuition, and thoughtful decision-making throughout the development process.

course

Bio-Inspired Algorithms with Python

Bio-Inspired Algorithms with Python

Explore the foundations and practical applications of bio-inspired algorithms in Python. This course covers evolutionary computation, swarm intelligence, and other nature-inspired optimization techniques, using only standard Python and permitted scientific libraries.

course

Business Analytics and Decision Making with Python

Business Analytics and Decision Making with Python

Master intermediate Python techniques for analyzing real-world business data, uncovering actionable insights, and supporting data-driven decision making. Learn to work with realistic e-commerce, SaaS, and financial datasets to perform cohort analysis, funnel analytics, unit economics, revenue breakdowns, customer segmentation, and metric frameworks using pandas, matplotlib, and seaborn.

course

C File Handling Basics

C File Handling Basics

A concise beginner-friendly course introducing the essentials of file handling in C, including file types, opening/closing files, reading/writing data, error handling, and file pointers. Each chapter features clear explanations, simple code examples, and interactive quizzes.

course

C Structs

C Structs

Gain a solid understanding of how structs work in C, from basic definitions to advanced memory concepts. Explore how pointers interact with structured data, discover efficient ways to organize information, and build confidence by implementing real data structures such as linked lists.

course

C++ Library Development

C++ Library Development

A comprehensive beginner-to-intermediate course guiding learners through the process of designing, implementing, packaging, and distributing C++ libraries. The course covers best practices for API design, project structuring, building static/shared libraries, and preparing libraries for real-world distribution.

course

C++ STL Iterators

C++ STL Iterators

This course explains how iterators work in the C++ Standard Template Library and how they connect containers and algorithms. You will learn what iterators are, how different iterator categories behave, and how to use them safely and idiomatically with STL containers and algorithms. By the end of the course, you will confidently read, write, and reason about iterator-based code, including const iterators, reverse iterators, and iterator invalidation rules.

course

Core Application Security

Core Application Security

Gain a comprehensive understanding of foundational application security concepts, threats, and best practices. This course covers the most common security problems in software applications, providing practical context and real-world examples to help you recognize and mitigate vulnerabilities.

course

Test Automation with Jest and Selenium

Test Automation with Jest and Selenium

Build on top of your previously acquired Manual Testing knowledge and learn Automation Testing using Node.JS and Jest. This course will also introduce you to some additional libraries and tools like Selenium, Axios and Jenkins.

course

TypeScript for JavaScript Developers

TypeScript for JavaScript Developers

Transition from JavaScript to TypeScript with practical, hands-on guidance. Compare syntax and workflows, migrate existing codebases safely, and use TypeScript's advanced typing system to create scalable, maintainable applications. Build confidence writing modern, type-safe JavaScript for real-world development.

course

Working with Interfaces and Generics in TypeScript

Working with Interfaces and Generics in TypeScript

A practical course on mastering interfaces and generics in TypeScript. Learn how to design robust type systems that make your code safer, cleaner, and easier to scale. From defining interfaces to building reusable generic patterns, this course provides a complete foundation for writing modern, type-safe applications.

course

AI Ethics 101

AI Ethics 101

An accessible introduction to the foundational ethical principles, challenges, and responsibilities in the development and deployment of Artificial Intelligence. This course is designed for beginners in AI and Data Science, focusing on theory and real-world implications.

course

AWS Certified Developer Associate

AWS Certified Developer Associate

The AWS Certified Developer – Associate certification validates your ability to develop, deploy, and troubleshoot cloud-based applications using AWS. This course provides a structured and hands-on approach to mastering AWS development concepts, from fundamental tools like AWS SDKs, IAM, and CloudFormation to serverless computing, event-driven architectures, and CI/CD automation. You'll gain practical experience with databases, caching solutions, and security best practices while optimizing applications for performance, scalability, and cost efficiency. The course also includes real-world scenarios and curated practice exam questions to help you confidently pass the certification exam. Whether you're a developer new to AWS or looking to formalize your knowledge, this course provides the essential skills needed to build modern cloud applications. This course is designed for developers who want to build, deploy, and optimize applications on AWS. Specifically, it benefits: Software Developers, DevOps & Cloud Engineers, Solution Architects (with Developer Focus), and Tech Leads & Engineering Managers

course

Advanced Tree-Based Models with Python

Advanced Tree-Based Models with Python

Master the most powerful modern tree-based ensemble methods—CatBoost, XGBoost, and LightGBM. Learn their unique innovations, practical tuning, and how to leverage them for high-performance machine learning tasks.

project

Analyzing Online Retail Sales Performance

Analyzing Online Retail Sales Performance

Analyze real-world retail transaction data to uncover customer purchasing patterns, peak shopping periods, and top-selling products for data-driven business optimization.

course

Automating Code and Thinking Manually

Automating Code and Thinking Manually

Explore the intersection of automation and human judgment in software development. This course guides developers in leveraging automated tools while preserving critical thinking, intuition, and thoughtful decision-making throughout the development process.

course

Bio-Inspired Algorithms with Python

Bio-Inspired Algorithms with Python

Explore the foundations and practical applications of bio-inspired algorithms in Python. This course covers evolutionary computation, swarm intelligence, and other nature-inspired optimization techniques, using only standard Python and permitted scientific libraries.

course

Business Analytics and Decision Making with Python

Business Analytics and Decision Making with Python

Master intermediate Python techniques for analyzing real-world business data, uncovering actionable insights, and supporting data-driven decision making. Learn to work with realistic e-commerce, SaaS, and financial datasets to perform cohort analysis, funnel analytics, unit economics, revenue breakdowns, customer segmentation, and metric frameworks using pandas, matplotlib, and seaborn.

course

C File Handling Basics

C File Handling Basics

A concise beginner-friendly course introducing the essentials of file handling in C, including file types, opening/closing files, reading/writing data, error handling, and file pointers. Each chapter features clear explanations, simple code examples, and interactive quizzes.

course

C Structs

C Structs

Gain a solid understanding of how structs work in C, from basic definitions to advanced memory concepts. Explore how pointers interact with structured data, discover efficient ways to organize information, and build confidence by implementing real data structures such as linked lists.

course

C++ Library Development

C++ Library Development

A comprehensive beginner-to-intermediate course guiding learners through the process of designing, implementing, packaging, and distributing C++ libraries. The course covers best practices for API design, project structuring, building static/shared libraries, and preparing libraries for real-world distribution.

course

C++ STL Iterators

C++ STL Iterators

This course explains how iterators work in the C++ Standard Template Library and how they connect containers and algorithms. You will learn what iterators are, how different iterator categories behave, and how to use them safely and idiomatically with STL containers and algorithms. By the end of the course, you will confidently read, write, and reason about iterator-based code, including const iterators, reverse iterators, and iterator invalidation rules.

course

Core Application Security

Core Application Security

Gain a comprehensive understanding of foundational application security concepts, threats, and best practices. This course covers the most common security problems in software applications, providing practical context and real-world examples to help you recognize and mitigate vulnerabilities.
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