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How To Hire A Frontend Developer

Frontend developers focus on creating the visual and interactive elements of websites and web applications. They design user interfaces, ensure a smooth user experience, and optimize performance. Their role is crucial for attracting and retaining users by building attractive, user-friendly, and responsive web interfaces. Frontend Developers differ from other developers, such as Backend Developers and Full-Stack Developers, in their specific focus on the user interface and user experience. The history of frontend development has evolved from simple HTML websites to the use of advanced technologies and frameworks. As the web became more complex, the role of frontend developers expanded to include responsive design, web accessibility, and the adoption of libraries and frameworks to create dynamic and interactive web applications.

Frontend Developers: Why are they needed?

Frontend developers possess the skills needed to create visually appealing, user-friendly, and responsive web interfaces. Their expertise in HTML, CSS, JavaScript, and various frontend frameworks allows them to optimize performance, ensure cross-platform compatibility, and address accessibility requirements. In the digital age, a strong online presence is critical for most businesses, making frontend developers essential for creating and maintaining the user-facing aspects of websites and applications. Their skills directly impact a company's ability to attract, engage, and satisfy its customers in a competitive market.

Skills required

  • JavaScript
  • Frontend Frameworks
  • Responsive Design
  • Cross-Browser Compatibility
  • Accessibility
  • Testing and Debugging

Job titles

  • Web Developer
  • UI/UX Developer
  • Frontend Engineer
  • Frontend Designer
  • Web Designer
  • HTML/CSS Developer
  • JavaScript Developer

Frontend Developer Assessment

The most common assessment framework for Frontend Developers on HackerEarth includes

A combination of technical evaluations, coding exercises, and behavioral assessments. Here are some common components of the assessment framework:

Code completion tasks

Frontend developer hiring assessment involves tasks that need to be solved using given tech stack. Code completion tasks assess a candidate's understanding of syntax and their ability to write correct and well-formed code. It can help gauge their understanding of fundamental concepts. It will help you assess important Frontend developer skills that you need for your project.

Multiple-choice questions (MCQs)

A good way to assess a developer's technical knowledge of frontend development concepts, language features, and best practices is through MCQs. They can help in evaluating a developer's understanding of fundamentals. During the Frontend developer hiring process, these are the key questions that bridge both general and technical areas.

Project-specific questions

You can also include project-specific questions to assess a candidate's knowledge. It can vary depending on your requirements. To ensure you're hiring the right developer, implement technical assessments that allow you to gauge a candidate's Frontend developer skills effectively.

Language-specific questions

Frontend Developers can be asked questions related to JavaScript fundamentals, DOM Manipulation, Responsive Web Design, etc. Asking very basic and technical questions can also help assess the candidate’s knowledge and skill sets.

Our bias-free, objective platform has facilitated 1,00,000+ assessments

Steps to Create a Frontend Developer Assessment on HackerEarth

  1. Log in to Hackerearth assessments
  2. Add questions from our library and create a test
  3. Send invites to candidates
  4. Evaluate our AI-assisted report and shortlist candidates

Assess Frontend Developers for free

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Sample Questions to Ask a Frontend Developer

  • Create a simple login form with HTML and CSS.
  • Write a JavaScript function that takes an array of numbers and returns the sum of all even numbers in the array.
  • Build a React component that displays a counter with increment and decrement buttons.
  • Build a basic calculator that can perform addition, subtraction, multiplication, and division.
  • Build a simple image slider or carousel using HTML, CSS, and JavaScript.

  • Which of the following is NOT a JavaScript data type?
    1. String
    2. Boolean
    3. Object
    4. Integer

  • Which of the following is a front-end framework for building user interfaces?
    1. Django
    2. Ruby on Rails
    3. React
    4. Express.js

  • Which CSS property is used to control the order of flex items within a flex container?
    1. flex-order
    2. order
    3. flex-direction
    4. flex-wrap

  • What is the difference between inline and block-level elements in CSS? Provide examples of each.
  • Explain the CSS float property and its use cases. How does it impact the layout of elements in a document?
  • How can you center an element both horizontally and vertically using CSS? Provide multiple methods.
  • How can you optimize the performance of a CSS file and improve page load times?
  • How can you create a CSS animation or transition to add interactivity to a webpage? Provide an example.

  • What is the purpose of the "this" keyword in JavaScript, and how does its value change based on the context in which it's used?
  • Explain the concept of "promises" in JavaScript and how they are used for asynchronous operations.
  • Explain what a "prototype" is in JavaScript and how it's used to implement inheritance.
  • Describe the concept of "hoisting" in JavaScript and provide examples of variable and function hoisting in code.
  • What are the differences between "localStorage" and "cookies" for storing data in a web application, and when would you choose one over the other?

These sample questions provided here are for interviewing early-experience talents. For more customized assessments for candidates with higher experience, you can contact our team at or request a demo here.

Guidelines for Writing Job Description for Frontend Developers

Job title

Begin with a clear and concise job title that reflects the role, such as "Web Developer", "Frontend Engineer", and "Frontend Designer". Therefore, Before you hire Frontend developer, consider the specific roles you need to hire for.

Job summary

Provide a brief overview of the position, focusing on the essential responsibilities and objectives. Describe the main aspects of the role and how it contributes to the company's goals. Hire Frontend developer whose values and technical skills best align with the job requirements.


The Frontend Developer job description should outline the specific tasks and responsibilities that the developer will be expected to handle. This may include:

  • Creating and designing user interfaces using HTML, CSS, and JavaScript.
  • Ensuring responsive web design across various devices and screen sizes.
  • Optimizing web performance and reducing load times.
  • Utilizing CSS preprocessors for stylesheet development.
  • Employing frontend frameworks like React, Angular, or Vue.js.
  • Conducting frontend testing for code quality assurance.

Skills and qualifications

Before you hire Frontend developer, make sure to list the essential Frontend developer skills and qualifications that candidates must possess, including, but not restricted to:

  • Proficiency in HTML/CSS for building and styling web pages.
  • Strong command of JavaScript, including ES6+ features.
  • Optimization skills for improving web performance.
  • Experience with CSS preprocessors like SASS or LESS.
  • Understanding of cross-browser compatibility.
  • Proficiency in debugging and browser developer tools.

Numerous Frontend developer skills are essential for becoming an adept developer. For aspiring developers, continuous learning and staying updated on the latest Frontend developer skills and technologies are key to staying competitive in the industry.

Preferred skills

Mention any additional frontend developer skills or qualifications that would be beneficial but not mandatory for the role. To become a Frontend developer, proficiency in HTML, CSS, and JavaScript is essential. You can also ask for experience with specific tools, libraries, or frameworks. Hire Frontend Developer whose tech stacks align with your project requirements.

Education and experience

Specify the educational background and professional experience required for the position. This could range from a bachelor's degree in computer science or a related field to several years of relevant experience. Before you hire Frontend developer, it's important to recognize that the cost will fluctuate based on the experience and expertise needed to successfully execute your project.

Company culture and EVPs

Briefly highlight your company's culture, values, and any unique perks or benefits offered to employees that can help attract candidates who align with your company's ethos. Focus on hiring a Frontend developer who is not only technically sound but also is a team player.

Application instructions

Provide instructions on how candidates can apply for the position. Include where to send their resume, portfolio, or other required documents. Also, specify the deadline for applications, if applicable. This is one of the most important things you should add while writing the Frontend developer job description.

Equal Opportunity Statement

Include a statement affirming that your company is an equal opportunity employer committed to diversity and inclusion.

You can incorporate gender-neutral pronouns like 'they/them' to promote an inclusive workplace. Additionally, it's beneficial to align your developer personas with your job profiles before advertising an open position. This approach ensures that your job descriptions resonate with a diverse range of candidates.

Download our guide for writing better developer personas

How to Conduct Frontend Developer Job Interview

Skill-first hiring requires that the developer interview process be designed to understand the candidate’s skill and experience in the given domain. You can consider the following guidelines when conducting a face-to-face interview with a Frontend Developer:

Conduct a real-time technical assessment

Usually candidates are given a remote assessment before the interview. However, using the interview platform to assess skills in real time will tell you a lot about the candidate’s communication skills and thought process.

FaceCode is HackerEarth’s flagship tech interview platform with a built-in question library you can use to test the candidate’s knowledge of Frontend development concepts. The built-in IDE environment can be used for assessing their ability to write clean, efficient, and maintainable code. You can also use the pair-programming method to observe their attention to detail, problem-solving approach, and logical thinking.

Understand the candidate’s project experience and review the portfolio

During the Frontend developer interview assessment, explore the candidate's past and present projects. Focus on their personal contributions and the skills they used. Ask them to discuss a frontend project, detailing their responsibilities, problem-solving, and collaboration. If available, review their portfolio or code samples for coding style, documentation, and project quality.

Understand if they are a good culture and team fit

Before you hire Frontend developer, inquire about their collaboration experiences within cross-functional teams, and communication style. A positive team fit is often reflected in a developer's ability to share knowledge, contribute ideas, and work seamlessly with colleagues. Look for examples of how they've navigated challenges collaboratively, received and implemented feedback, and participated in a team-oriented work environment. Additionally, assess their alignment with the organization's values and their enthusiasm for contributing to a positive and innovative team culture.

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You should seek candidates with a strong foundation in web development, including proficiency in HTML, CSS, and JavaScript. They should have a track record of building responsive and visually appealing user interfaces, as well as experience with popular frontend frameworks and libraries such as React, Angular, or Vue.js. Additionally, look for developers who understand web performance optimization techniques, version control systems like Git, and have a knack for problem-solving and debugging.

In addition to technical skills, it's essential to consider soft skills like effective communication, collaboration, and adaptability within a team. A bachelor's degree in computer science or a related field is often beneficial but not always a strict requirement. Focus on candidates who demonstrate a continuous learning mindset to keep up with evolving industry trends and best practices.

It's not always necessary for a candidate to have experience in all the necessary tools, but a strong foundation in at least one of the core technologies like HTML, CSS, or JavaScript is crucial. Proficiency in these foundational languages is often seen as a baseline requirement. Frontend developers can further specialize in specific tools, libraries, and frameworks based on project needs.

Flexibility and the ability to quickly adapt to new tools and technologies are also highly valuable qualities in a candidate, as the frontend landscape is continuously evolving. Ultimately, the ideal candidate should demonstrate a willingness to learn and the capacity to leverage their expertise to deliver exceptional user experiences.

Web designers possess a unique skill set that combines creativity and technical proficiency. They are proficient in visual design, using tools like Adobe Photoshop and Illustrator, and have a strong grasp of user experience (UX) and user interface (UI) design principles. Their work involves creating visually appealing and intuitive website layouts, selecting color schemes, typography, and graphics, and ensuring responsive designs for various devices.

Web designers play a vital role in web development, as the quality of their work significantly impacts a site's user engagement and success. Their job requires a deep understanding of design principles, usability, and industry trends. While not as code-intensive as frontend development, web design is still a challenging profession that demands creativity, attention to detail, and adaptability to evolving design trends and technologies.

To assess a frontend developer's real-world project-handling skills, consider incorporating the following strategies into the interview process. First, request a portfolio of the candidate's previous projects. Evaluate the variety and complexity of these projects, paying close attention to the quality of their code, design choices, and responsiveness of the interfaces. Ask them to walk you through their contributions to these projects, including specific challenges they encountered and how they addressed them. Additionally, inquire about their experience with version control systems, collaboration with cross-functional teams, and their ability to meet project deadlines.

Provide the candidate with a real-world scenario or a specific task related to frontend development. This can be in the form of a coding challenge or a design problem that mimics the challenges they might encounter on the job. Assess their problem-solving skills, code quality, and ability to apply best practices in a time-constrained environment. Evaluating both their past work and their performance in practical assessments will provide valuable insights into their project-handling capabilities and suitability for the role of a frontend developer.

The specific requirements for frontend developer skills can vary significantly across different job roles within the field of web development. For instance, a frontend developer in an e-commerce company may need to specialize in optimizing product pages for performance and user experience, while a developer in a creative agency may focus on innovative, visually stunning designs. In a software-as-a-service (SaaS) company, frontend developers might need to emphasize data visualization and dashboard creation, whereas in a media or content-focused organization, skills related to responsive multimedia integration could be more critical.

Similarly, the industry in which a frontend developer works also influences their skill set requirements. In the finance or healthcare sectors, for instance, adherence to stringent security and compliance standards is crucial, necessitating knowledge of secure coding practices.