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Companies can now hire React developers remotely with Sitefy. Hire highly skilled developers at 70% lower expense and reduce hiring efforts by 90%. We assign highly-vetted developers from developing countries with excellent communication skills.
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Tell us the skills that you need
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Access a pre-screened candidate list to streamline your hiring process by only reviewing profiles of top-matching candidates.
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Interview and choose your preferred developers. Engage with the candidates to guarantee compatibility with your product objectives.
How do we find the best talent for you?
Technical abilities check
We evaluate the developer’s contribution and effectiveness in constructing complex software products.
Communication skills check
The developer’s capability to communicate effectively is tested.
Past work credit check
Complete past work history is analyzed. Reviews and employer appreciation are checked.
What makes us different?
"Sitefy has been providing us with quality developers since a year now. Almost 40% of our developers are hired from this platform. The best part is that these developers are highly satisfied even at salary which is 60% less than what we provide to other developers."
Bonard James, Hiring Manager
"We will be honest. We never knew what to expect. But, after hiring the developer, our core team was strenghtened , the developer is really good and trained well. I hope we continue hiring from Sitefy."
Rohan Makhija, HR Executive
"We had a requirement of good engineers for our fintech company. Then heard of sitefy from one of my friend. The developers are really hardworking and very skilled. We don't know how they have filtered these excellent developers. It is really hard to find such good developers in a short span."
CFO - Fintech Company
Why companies choose Sitefy?
Hire World-Class Developers at 70% lower pay
Harness the pay parity of developing economies and hire highly skilled developers at 70% lower salary package than the market standard.
Hire hardworking and highly skilled React developers with excellent communication skills.
Let's Get you best React Developer in less than 3 days
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Job Description Template
We are seeking an experienced React Developer to join our team and help build and maintain our web applications. The ideal candidate will have a strong understanding of React and its ecosystem, as well as experience with web development best practices.
- Develop and maintain web applications using React and related technologies
- Write clean, well-documented, and efficient code
- Collaborate with cross-functional teams to define, design, and ship new features
- Troubleshoot and debug application issues
- Stay up-to-date with the latest web development trends and technologies
- Strong experience with React and its ecosystem
- Experience with web development best practices, such as testing and debugging
- Strong problem-solving and analytical skills
- Excellent written and verbal communication skills
- Experience with version control systems, such as Git
- Experience with front-end build tools, such as Webpack
- Bachelor’s degree in Computer Science or related field (preferred)
- 2+ years of experience in web development, with a focus on React
- Negotiable based on experience
- Remote / [City, State]
- Medical, dental, and vision insurance
- 401(k) plan
- Paid time off
- Flexible work schedule
Top Interview Questions
- Can you explain the virtual DOM in React and how it works? Answer: The virtual DOM is a representation of the actual DOM in React that allows for efficient updates and rendering. When a component’s state or props change, React will update the virtual DOM and then determine the minimal set of changes that need to be made to the actual DOM. This process helps to improve performance by reducing the number of unnecessary updates to the DOM.
- How do you handle state management in your React projects? Answer: There are several ways to handle state management in React projects, including using the built-in state and setState() method, using a global state management library like Redux, or using the new context API in React 16.6. I have experience with all three methods, and I choose the best one depending on the project’s requirements and the team’s preference.
- Can you explain the difference between a controlled and uncontrolled component in React? Answer: Controlled components are those in which React is responsible for managing the component’s state and updating the component when props change. On the other hand, uncontrolled components are those where the component manages its own state and updates itself when props change. I can use both of them depending on the requirement of the project but I prefer controlled component as it gives more control over the component’s behavior.
- How do you optimize the performance of a React application? Answer: There are several ways to optimize the performance of a React application, including using the shouldComponentUpdate() lifecycle method to prevent unnecessary re-renders, using the React.memo() higher-order component for functional components, and using a virtualized list library for large lists of data. Additionally, I also use the latest version of react, and use the profiler tools to find the bottlenecks in the application.
- How do you approach debugging and troubleshooting issues in a React application? Answer: When debugging and troubleshooting issues in a React application, I start by using the browser’s developer tools to inspect the component tree and check for any errors or warnings. I also use the React Developer Tools extension to inspect the component’s props and state. I also use console.log() and debugger statement to check the value of the variable and step through the code.
- Can you explain the concept of “lifting state up” in React and give an example of when you have used it in a project? Answer: “Lifting state up” in React refers to the process of moving state from a child component to a parent component so that it can be shared and managed by multiple child components. This is often done to avoid prop drilling and make the state management more organized. For example, I have worked on a project where I had to share the login status of a user between multiple components. Instead of passing the login status as props down to each component, I lifted the state up to the parent component and passed it down as a context.
- Can you explain the concept of “props” and “state” in React and give an example of how you have used them in a project? Answer: Props (short for “properties”) are used in React to pass data from a parent component to a child component. They are immutable, meaning they cannot be changed within the child component. State, on the other hand, is used to store and manage data within a component that can change over time. I have used props and state in several projects, for example, in one project I have used props to pass the data from parent component to the child component and used state to store the data which is being used by the component internally.
- Have you worked with Redux before? If so, can you give an example of how you have used it in a project? Answer: Yes, I have worked with Redux before. In one project, I used Redux to manage the global state of the application, including the user’s login status, the current selected items in the cart, and the current page location. I used actions and reducers to update the state and connected the components to the store using the react-redux library.
- Can you explain the concept of “HOC” (Higher Order Component) in React and give an example of when you have used it in a project? Answer: An HOC, or Higher Order Component, is a function that takes a component as an input and returns a new component with additional functionality. It’s a way of reusing component logic. I have used HOCs in several projects, for example, I have used it for authentication and authorization by wrapping the protected routes with HOC and passing the user role as a prop to it.
- Have you worked with React Router before? If so, can you give an example of how you have used it in a project? Answer: Yes, I have worked with React Router before. In one project, I used React Router to handle client-side routing and navigation in the application. I defined different routes for different pages in the application and used the <Link> and <Route> components to navigate between them. I have also used dynamic routing, where the route’s parameter is being passed as props to the component.
When hiring a React developer, some of the key skills to look for include:
Strong understanding of React and its core concepts, such as components, state, and props.
Experience with React hooks, such as useState and useEffect.
Familiarity with state management libraries such as Redux or MobX.
Experience with client-side routing using React Router.
Familiarity with newer features such as React context, React Lazy and Suspense.
Strong debugging and troubleshooting skills.
Familiarity with testing frameworks such as Jest or Enzyme.
Experience with building and optimizing the performance of React applications.
Understanding of web accessibility (WCAG) and how to build accessible React components.
Familiarity with Git or another version control system, and the ability to work in a collaborative development environment.
Strong communication skills and ability to work well in a team.
Ability to understand and implement design systems and component libraries.
Having experience with GraphQL and integrating it with react would be a plus.
It’s important to note that not every React developer will have experience with all of these skills. However, if a candidate has a strong understanding of the core concepts and a willingness to learn, they will be well-suited for the job.
Frequently Asked Questions
You send us requirements → We use machine learning to find the best developers who match your requirements → We conduct technical, communication, past work analysis and filter out the best candidates → We update you with the developer details and now you can schedule interviews with them → Once you decide to work with the selected developer, we draw up a tripartite agreement → You work directly with the developer, just the invoice is done by Sitefy. You can be assured of quality conduct by the developer as we will keep them on track.
Sitefy offers quality, cost-effective, and hard-working ReactJS developers. All Sitefy ReactJS developers are selected only after going through a series of unique tests to evaluate their technical skillset. All Sitefy remote ReactJS developers will work in your time zone for your convenience.
Hire top ReactJS developers who work in your timezone with Sitefy. The platform taps into a global pool of talented developers and rigorously screens them to meet Silicon Valley standards. Find your remote ReactJS developer in just 24 hours with Sitefy.
Sitefy assesses developer’s skills through tests, not relying on self-reported experience from resumes or interviews. Every developer must pass Sitefy’s tests on programming languages, data structures, algorithms, system designs, software specialization, frameworks, etc. Sitefy uses an automated assessment test that measures a developer’s impact on projects, engineering skills, communication abilities, teamwork, and leadership.