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Julián Campos
Julián Campos
Senior Software Architect
Ecuador
»
ETC-5
Vetted Expertise
Ember
React Native
8
 Yrs
Score 
9.6
Additional Experience With:
Noemi Delgado
Noemi Delgado
Senior Software Architect
Colombia
»
ETC-5
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React Native
Ember
6
 Yrs
Score 
9.3
Additional Experience With:
Cristina Andrade
Cristina Andrade
Senior Software Architect
Brazil
»
ETC-3
Vetted Expertise
Ember
React Native
6
 Yrs
Score 
9.8
Additional Experience With:
Carmen Alonso
Carmen Alonso
Senior Software Architect
Ecuador
»
ETC-5
Vetted Expertise
Ember
React Native
5
 Yrs
Score 
9.3
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Frequently Asked Questions

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Ember.js Developer Hiring Guide

Introduction

Hiring a skilled Ember.js developer can be daunting, especially if you're unfamiliar with the Ember framework. FullStack has dozens of Ember developers available to join your team.

Still, if you want to recruit directly, we'll provide everything you need to know to hire Ember developers. We'll cover topics including Ember interview questions, technical interview questions, a job posting template, and a coding challenge. By the end of this guide, you'll have a clear understanding of what to look for in a potential Ember developer, and you'll be able to make confident hiring decisions that will benefit your team and your business.

{{interview-qa-header="/hiring-docs/ember"}}

1. What experience do you have with Ember?
I have over three years of experience working with Ember, including building large-scale web applications with complex data flows. I'm proficient in using Ember CLI and have experience with Ember Data, Ember Components, and Ember Addons. I'm also familiar with the latest Ember releases and updates.
2. How do you approach debugging Ember applications?
When debugging an Ember application, I first try to reproduce the issue locally. Then, I use the Ember Inspector and Chrome Developer Tools to examine the application's state and identify any errors. I also rely on Ember's built-in error handling and logging to help troubleshoot issues.
3. Can you explain the Ember component lifecycle?
The Ember component lifecycle consists of several stages, including Initialization, Setup, and Rendering. During the Initialization phase, the component's properties are defined, and any necessary dependencies are loaded. In the Setup phase, the component's DOM elements are created, and the component's state is set up. Finally, during the Rendering phase, the component's HTML is generated and added to the page.
4. How do you handle data binding in Ember?
In Ember, data binding is handled automatically through Ember's object model. When an object property changes, any associated templates or components are automatically updated to reflect the new value. I also use Ember's computed properties to handle more complex data-binding scenarios.
5. Can you explain Ember's routing system?
Ember's routing system is a powerful tool for managing complex web applications. It allows you to define a hierarchy of routes and associate templates and controllers with each route. Ember's routing system includes features like nested routes, dynamic segments, and query parameters.
6. How do you handle authentication and authorization in Ember?
I typically use Ember Simple Auth and Ember CLI Mirage to handle authentication and authorization in Ember. Ember Simple Auth provides a simple way to authenticate users and protect routes, while Ember CLI Mirage provides an easy way to mock authentication responses during testing.
7. How do you optimize performance in Ember?
There are several ways to optimize performance in Ember, including using Ember CLI Addons like Ember FastBoot to render server-side, minimizing DOM manipulation, and using Ember's Glimmer rendering engine to speed up rendering times. I also use performance profiling tools like Chrome DevTools and Ember Inspector to identify and address performance bottlenecks.
8. How do you manage dependencies in Ember?
I use Ember CLI to manage dependencies in Ember projects. Ember CLI provides a simple way to install, update, and remove dependencies using the npm and Bower package managers. I also use Ember CLI Addons to extend Ember's functionality and keep my project organized.
9. Can you explain Ember's computed properties?
In Ember, computed properties are used to create new properties that depend on others. Computed properties can be used to simplify complex calculations, transform data, or trigger actions when properties change. Computed properties are defined using the @computed decorator in Ember.
10. Can you describe your experience working with Ember CLI?
I have extensive experience working with Ember CLI and rely on it for all of my Ember projects. Ember CLI provides a streamlined workflow for creating new projects, generating code, running tests, and deploying applications. I'm familiar with Ember CLI's commands and configuration options and use it to manage my project's dependencies and build process.

{{tech-qa-header="/hiring-docs/ember"}}

1. How do you implement two-way binding in Ember?

Answer:

{{input value=model.name}}
{{model.name}}

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2. How do you handle errors in Ember Data?

Answer:

this.store.findRecord('post', 1).catch(function(error) {
  // Handle error
});

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3. How do you create a component in Ember?

Answer:

// Define component
App.MyComponent = Ember.Component.extend({
  // Component code goes here
});

// Use component in template
{{my-component}}

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4. How do you implement routing in Ember?

Answer:

// Define routes
App.Router.map(function() {
  this.route('home', { path: '/' });
  this.route('about');
});

// Use routes in template
{{#link-to 'home'}}Home{{/link-to}}
{{#link-to 'about'}}About{{/link-to}}

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5. How do you use Ember CLI to generate a new route?

Answer:

ember generate route my-route

{{job-qa-header="/hiring-docs/ember"}}

Introduction

Creating an excellent Ember.js developer job posting is essential to attract top talent and find the best candidates for your organization. Here's a template for a job posting and an explanation of each section.

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Job Title

The job title should be clear and concise and accurately reflect the role's responsibilities. A title like "Ember Developer" is appropriate.

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Job Description

The job summary should provide a brief overview of the role's responsibilities and requirements. It should include a concise description of the company and its culture to help potential Ember.js developer candidates determine whether they would be a good fit for the position. This section should be written in clear and straightforward language.

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<span class="guide_indent-text">Example:</span>

<p span class="guide_indent-text">We are seeking an experienced Ember Developer to join our growing team. In this role, you will be responsible for developing and maintaining Ember-based applications, collaborating with cross-functional teams, and ensuring the quality of our software products. Our company is committed to creating a culture of collaboration, innovation, and growth, and we are looking for candidates who share these values.</p>

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Responsibilities

The responsibilities section should outline the primary duties and tasks for which the Ember developer will be responsible. Be specific and detailed in this section to give candidates a clear understanding of what is expected of them. It's also helpful to include the level of experience required for each responsibility.

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<span class="guide_indent-text">Example:</span>

<ul><li>Develop and maintain Ember-based applications</li><li>Collaborate with cross-functional teams to design, develop, and deploy software products</li><li>Ensure the quality of software products through testing and debugging</li><li>Continuously improve software development processes and tools</li><li>Stay up-to-date with emerging trends and technologies in Ember development</li></ul>

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Requirements

The requirements section should list the necessary qualifications, experience, and education required for the Ember.js developer role. This section should include both the minimum requirements and the preferred qualifications. It's important to be clear and specific about what is required for the role to avoid receiving applications from unqualified candidates.

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<span class="guide_indent-text">Example:</span>

<ul><li>Bachelor's degree in Computer Science, Engineering or related field</li><li>3+ years of experience in Ember development</li><li>Strong understanding of Ember, OTP, and Phoenix frameworks</li><li>Experience with agile software development methodologies</li><li>Excellent problem-solving skills and attention to detail</li></ul>

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Preferred Qualifications

The preferred qualifications section should list any additional qualifications, experience, or education that would be beneficial but are not strictly required. This section is an excellent opportunity to attract top Ember.js developer talent by highlighting unique qualifications or qualities that set your organization apart.

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<span class="guide_indent-text">Example:</span>

<ul><li>Experience with distributed systems and microservices architecture</li><li>Knowledge of containerization technologies like Docker and Kubernetes</li><li>Strong understanding of functional programming concepts</li><li>Experience with front-end development technologies like React or Angular</li></ul>

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Salary and Benefits

The salary and benefits section should be straightforward and clear. You should include the salary range for the position and any additional benefits, such as health insurance, retirement plans, and paid time off. Be sure to include your organization's unique benefits, such as flexible work hours or tuition reimbursement.

<div style="padding-bottom: 1.14rem;"></div>

<span class="guide_indent-text">Example:</span>

<ul><li>Competitive salary based on experience and qualifications</li><li>Health, dental, and vision insurance</li><li>401(k) retirement plan with employer match</li><li>Flexible vacation and PTO policy</li><li>Opportunities for professional development and growth</li></ul>

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How to Apply

This section should outline the process for applying for the Ember.js developer position. Include any specific instructions or requirements, such as a cover letter, resume, or code samples. Example:

<div style="padding-bottom: 1.14rem;"></div>

<span class="guide_indent-text">Example:</span>

<p class="guide_indent-text">To apply, please submit your resume and cover letter to [insert contact email or application link here]. In your cover letter, please briefly summarize your experience with Ember and your reasons for applying to this position. We look forward to hearing from you!</p>

<div style="padding-bottom: 2.85rem;"></div>

Conclusion

By following this template for an Ember.js developer job posting, you can attract the best candidates and ensure that you find the right person for the job. Remember to be specific about the requirements and responsibilities, highlight the benefits, and provide clear instructions for how to apply. Good luck in your search for a talented Ember developer!

{{challenge-qa-header="/hiring-docs/ember"}}

Challenge Instructions:

Implement a Queue data structure in Ember with the following methods:

<div style="padding-bottom: 1.14rem;"></div>

  • enqueue(element): Add an element to the end of the queue.
  • dequeue(): Remove and return the element at the front of the queue.
  • front(): Return the element at the front of the queue without removing it.
  • isEmpty(): Return a boolean indicating whether the queue is empty or not.

<div style="padding-bottom: 1.14rem;"></div>

Your implementation should be based on a singly linked list and should include the following requirements:

<div style="padding-bottom: 1.14rem;"></div>

  • All methods should have O(1) time complexity.
  • You should implement the Queue data structure using a module and processes.
  • You should include appropriate tests to ensure the correctness of your implementation.

Answer:

defmodule Queue do
  defstruct front: nil, back: nil

  def new, do: %Queue{}

  def enqueue(queue, element) do
    case queue.back do
      nil ->
        %Queue{front: element, back: element}

      _ ->
        queue =
          queue
          |> Map.put(:back, element)
          |> Map.update(:front, &(&1))
        queue
    end
  end

  def dequeue(queue) do
    case queue.front do
      nil ->
        {:error, "Queue is empty"}

      _ ->
        front = queue.front
        queue =
          queue
          |> Map.put(:front, front.next)
        {front.value, queue}
    end
  end

  def front(queue) do
    case queue.front do
      nil ->
        {:error, "Queue is empty"}

      _ ->
        queue.front.value
    end
  end

  def isEmpty(queue) do
    queue.front == nil
  end
end

defmodule QueueTest do
  use ExUnit.Case

  test "enqueue/dequeue" do
    queue = Queue.new
    queue = Queue.enqueue(queue, 1)
    queue = Queue.enqueue(queue, 2)
    queue = Queue.enqueue(queue, 3)

    assert Queue.front(queue) == 1
    assert Queue.dequeue(queue) == {1, %Queue{front: 2, back: 3}}
    assert Queue.dequeue(queue) == {2, %Queue{front: 3, back: 3}}
    assert Queue.dequeue(queue) == {3, %Queue{front: nil, back: nil}}
    assert Queue.dequeue(queue) == {:error, "Queue is empty"}
  end

  test "isEmpty" do
    queue = Queue.new
    assert Queue.isEmpty(queue) == true

    queue = Queue.enqueue(queue, 1)
    assert Queue.isEmpty(queue) == false
  end
end

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Conclusion

Hiring top talent is essential to the success of any business, and finding the right Ember developer can be a game-changer for your team. With the help of this Ember Developer Hiring Guide, you can create a comprehensive hiring process that will help you identify the best candidates and make confident hiring decisions. Using our Ember.js interview questions, technical interview questions, job posting template, and coding challenge, you can ensure that your hiring process is thorough, effective, and efficient. So what are you waiting for? Start building your team of skilled Ember.js developers today!