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Advanced Interview Prep for Senior Engineers in JavaScript

Elevate your JavaScript programming skills to the next level as you explore advanced data structures and techniques. This comprehensive learning path is tailored to foster the development of encapsulation methods, backward compatibility, and refactoring skills.

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Verified skills you'll gain

ADVANCED

Computer Science Fundamentals

ADVANCED

Requirement Understanding & Implementation

Tools you'll use

JavaScript

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Course 2

Revisiting Software Design Patterns in JavaScript

6 lessons

30 practices

Explore and revise fundamental software design patterns and their applications in JavaScript, essential for structuring flexible and robust software solutions.

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Course 3

Refactoring Code for Readability and Maintainability

5 lessons

21 practices

Delve deep into the world of refactoring, where you'll learn the theory and application of transforming code into a cleaner, more efficient version while retaining its functionality. This course is perfect for developers looking to enhance their code maintenance and performance skills through practical refactoring techniques.

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Course 4

Backward Compatibility in Software Development

5 lessons

21 practices

In this course, you will learn the art of extending software functionalities without disrupting the existing system or breaking backward compatibility. This course is ideal for software developers seeking to expand their expertise in maintaining project stability, compatibility, and performance, while effectively adding new features.

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Course 5

Interview Practice - Advanced Problem Solving

2 lessons

10 practices

In this course, which is the culmination of our preparation program, you will engage in focused practice on complex programming problems that mimic those often given during technical interviews. The course is designed to reinforce your knowledge, speed, and confidence in tackling challenging questions under interview-like conditions.

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From our community

Hear what our customers have to say about CodeSignal Learn

I'm impressed by the quality and can't stop recommending it. It's also a lot of fun!

Francisco Aguilar Meléndez

Data Scientist

+11

I love that it's personalized. When I'm stuck, I don't have to hope my Google searches come out successful. The AI mentor Cosmo knows exactly what I need.

Faith Yim

Software Engineer

+14

It's an amazing product and exceeded my expectations, helping me prepare for my job interviews. Hands-on learning requires you to actually know what you are doing.

Alex Bush

Full Stack Engineer

I'm really impressed by the AI tutor Cosmo's feedback about my code. It's honestly kind of insane to me that it's so targeted and specific.

Abbey Helterbran

Tech consultant

I tried Leetcode but it was too disorganized. CodeSignal covers all the topics I'm interested in and is way more structured.

Jonathan Miller

Senior Machine Learning Engineer

+12

I'm impressed by the quality and can't stop recommending it. It's also a lot of fun!

Francisco Aguilar Meléndez

Data Scientist

+11

From our community

Hear what our customers have to say about CodeSignal Learn

I'm impressed by the quality and can't stop recommending it. It's also a lot of fun!

Francisco Aguilar Meléndez

Data Scientist

+11

I love that it's personalized. When I'm stuck, I don't have to hope my Google searches come out successful. The AI mentor Cosmo knows exactly what I need.

Faith Yim

Software Engineer

+14

It's an amazing product and exceeded my expectations, helping me prepare for my job interviews. Hands-on learning requires you to actually know what you are doing.

Alex Bush

Full Stack Engineer

I'm really impressed by the AI tutor Cosmo's feedback about my code. It's honestly kind of insane to me that it's so targeted and specific.

Abbey Helterbran

Tech consultant

I tried Leetcode but it was too disorganized. CodeSignal covers all the topics I'm interested in and is way more structured.

Jonathan Miller

Senior Machine Learning Engineer

+12

I'm impressed by the quality and can't stop recommending it. It's also a lot of fun!

Francisco Aguilar Meléndez

Data Scientist

+11