Product Perfect

Liquid, a flexible and safe template language, was created by Shopify in 2006 to load dynamic content on its platform. As an open-source software programming language, it is extensively used in the Jekyll static site generator for building secure websites. The code written in Liquid is processed by the web server before being sent to the user's browser. Its use of simple markup tags enables developers to manipulate raw data output from Shopify and Jekyll effectively. Renowned for its versatility and security features, Liquid has cemented its position as a pivotal tool within both Shopify's e-commerce structure and Jekyll's website generation process.

Ask the right questions secure the right Liquid Template language for Jekyll and Shopify. talent among an increasingly shrinking pool of talent.

First 20 minutes

General Liquid Template language for Jekyll and Shopify. app knowledge and experience

The first 20 minutes of the interview should seek to understand the candidate's general background in Liquid Template language for Jekyll and Shopify. application development, including their experience with various programming languages, databases, and their approach to designing scalable and maintainable systems.

How would you define Liquid Template language?

Liquid is an open-source, Ruby-based template language created by Shopify. It is used in Jekyll to process templates. It allows users to load dynamic content on their websites.

What are the basic types of objects in Liquid?

The basic types of objects in Liquid are strings, numbers, booleans, nil, arrays, and hashes.

Describe the difference between filters and tags in Liquid?

Filters are simple methods that modify the output of numbers, strings, variables and objects. They are placed within an output and are denoted by a pipe character '|'. Tags, on the other hand, create the logic and control flow for templates and are denoted by curly braces and percent signs {% %}.

How would you create a loop in Liquid?

Loops in Liquid are created using the 'for' tag. For example, to loop through an array, you would use the syntax: {% for item in array %}...{% endfor %}.

What are the control flow tags in Liquid?

Control flow tags in Liquid include 'if', 'elsif', 'else', 'unless', 'case', 'when', and 'cycle'.

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What you’re looking for early on

Does the candidate have a strong understanding of Liquid Template language?

Has the candidate demonstrated problem-solving skills?

Is the candidate familiar with Jekyll and Shopify platforms?

Can the candidate work well in a team?

Next 20 minutes

Specific Liquid Template language for Jekyll and Shopify. development questions

The next 20 minutes of the interview should focus on the candidate's expertise with specific backend frameworks, their understanding of RESTful APIs, and their experience in handling data storage and retrieval efficiently.

How would you implement an if-else condition in Liquid?

An if-else condition in Liquid can be implemented using the 'if', 'elsif', 'else' and 'endif' tags. For example: {% if condition %}...{% elsif condition %}...{% else %}...{% endif %}.

What are Liquid Filters and how are they used?

Liquid Filters are used to change the output of a Liquid object. They are used within an output and are separated by a pipe character '|'. For example: {{ 'Hello' | upcase }} would output 'HELLO'.

How would you access an array element in Liquid?

An array element in Liquid can be accessed using its index. For example: {{ array_name[index] }}.

Describe the difference between 'assign' and 'capture' in Liquid?

'Assign' creates a new variable and assigns a value to it. 'Capture' also creates a new variable, but it captures whatever string is inside the opening and closing tags and assigns it to the variable.

How would you include a snippet in a Liquid template?

A snippet can be included in a Liquid template using the 'include' tag. For example: {% include 'snippet_name' %}.

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At this point, a skilled Liquid Template language for Jekyll and Shopify. engineer should demonstrate strong problem-solving abilities, proficiency in Liquid Template language for Jekyll and Shopify. programming language, and knowledge of software development methodologies. Red flags include lack of hands-on experience, inability to articulate complex concepts, or unfamiliarity with standard coding practices.

Digging deeper

Code questions

These will help you see the candidate's real-world development capabilities with Liquid Template language for Jekyll and Shopify..

What does the following Liquid code do?
{% assign name = 'John' %}
Hello, {{ name }}
This code assigns the string 'John' to the variable 'name', and then outputs 'Hello, John'.
What does the following Liquid code do?
{% for i in (1..5) %}
  {{ i }}
{% endfor %}
This code loops over the range from 1 to 5, outputting each number on a new line.
What will be the output of the following Liquid code?
{% assign fruits = 'apple, banana, cherry' | split: ', ' %}
{% for fruit in fruits %}
  {{ fruit }}
{% endfor %}
This code splits the string 'apple, banana, cherry' into an array of strings, and then loops over the array, outputting each fruit on a new line.
What does the following Liquid code do?
{% assign products = collections['men'].products %}
{% for product in products %}
  {{ product.title }}
{% endfor %}
This code assigns the products from the 'men' collection to the variable 'products', and then loops over the products, outputting each product's title on a new line.

Wrap-up questions

Final candidate for Liquid Template language for Jekyll and Shopify. Developer role questions

The final few questions should evaluate the candidate's teamwork, communication, and problem-solving skills. Additionally, assess their knowledge of microservices architecture, serverless computing, and how they handle Liquid Template language for Jekyll and Shopify. application deployments. Inquire about their experience in handling system failures and their approach to debugging and troubleshooting.

What are the types of iteration in Liquid?

The types of iteration in Liquid are 'for' loops and 'cycle' loops.

How would you access the first element of an array in Liquid?

The first element of an array in Liquid can be accessed using the 'first' filter. For example: {{ array_name | first }}.

What is the use of the 'raw' tag in Liquid?

The 'raw' tag in Liquid is used to temporarily disable tag processing. This is useful when you want to generate content that uses curly braces but is not Liquid code.

Liquid Template language for Jekyll and Shopify. application related

Product Perfect's Liquid Template language for Jekyll and Shopify. development capabilities

Beyond hiring for your Liquid Template language for Jekyll and Shopify. engineering team, you may be in the market for additional help. Product Perfect provides seasoned expertise in Liquid Template language for Jekyll and Shopify. projects, and can engage in multiple capacities.

Liquid Template language for Jekyll and Shopify. Consultive assessments

Liquid Template language for Jekyll and Shopify. Application Conversion Assessment Liquid Template language for Jekyll and Shopify. Application Integration Assessment Liquid Template language for Jekyll and Shopify. Data & Database Integration Assessment

Custom Liquid Template language for Jekyll and Shopify. development projects

Custom Liquid Template language for Jekyll and Shopify. App Conversion Liquid Template language for Jekyll and Shopify. Custom App Development Process App UI Design for Liquid Template language for Jekyll and Shopify. Facelifts

Hiring guide for Liquid Template language for Jekyll and Shopify. Engineers

Liquid Template language for Jekyll and Shopify. Developer Hiring Guide

What you’re looking for early on

The ideal back-end app developer

What you’re looking to see on the Liquid Template language for Jekyll and Shopify. engineer at this point.

Liquid Template language for Jekyll and Shopify. Consultive assessments

Custom Liquid Template language for Jekyll and Shopify. development projects