Hire Top 1% Node Js Developers and Programmers in 24 hrs
Ultragenius is a marketplace for top Node.js developers, engineers, programmers, coders, architects, and consultants. Top start-ups and companies choose developers from Ultragenius platform for their critical software projects.
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Hire only the top 1% among the 20K+ engineers who have applied to Ultragenius
Rishabh
Node.js Developer
Rishabh is a software engineer having 7+ years of experience in designing back-end web applications using Node.js.
Expert in
Node.js
Javascript
CSS
HTML
Experience
10 Years
Availability
Full Time
Mahesh
NodeJS Developer
Mahesh is a software engineer having 3+ years of experience in developing server-side applications with Node.js.
Expert in
Node.js
MongoDB
CSS
HTML
Experience
10 Years
Availability
Full Time
John
Part-time NodeJS Developer
John is a software engineer having 10+ years of experience working with Node.js, ExpressJS, and Cassandra.
Expert in
Express
Javascript
CSS
Node
Experience
10 Years
Availability
Full Time
Hire top NodeJS Programmer with Ultragenius
NodeJS is a Javascript backend runtime environment built on the Chrome V8 engine and executes Javascript code independent of the web browser. Node.js is mainly used for non-blocking Input/Output programming. Its single-threaded nature makes it very fast for developing web applications. It is used for backend services and generating dynamic content on the webpage. NodeJS can gather form data and perform CRUD ( Create, Read, Update, and Delete ) operations and easily modifies data in your database.
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ultraGenius conducts tests and ensures that only the most suitable developer with the best skills is hired.
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Want to hire Node.js developers on your own? Here are the skills you must look for while hiring a Node.js engineer
Hiring Node.js developers can be a complex task for you if you are a non-technical manager. Javascript is the core skill of any developer without which no framework and related skills can be mastered and hiring the top skilled Node.js developer among the thousands of developers will be challenging to you even if you belong to technical background. But, no worries, Ultragenius is here to assist you in hiring only the top 1% Node.js programmers.
These skills you must ensure in any Node.js developer –
Strong knowledge of core Node.js modules -
Node.js modules are the folder containing multiple files, that are imported using require() method. The developer must possess strong knowledge of –
- HTTP
HTTP is a built-in package for designing client-server architecture and is designed to support various protocol features. ExpressJS framework uses HTTP to make the server request.
- File System
This Node.js module of the file system help developer to work with the file system of your computer and is used to read the files, write the files, rename the files, update the files, and delete the files.
E.g. var fs = require(‘fs’);
fs.readFile(“file.txt”, “utf8”, function(err, content) {
if (err) {
return console.log(err);
}
console.log(content);
});
- Buffer
Buffer provides a way of handling data. It is a global object in Node.js and uses many methods like alloc(), allocUnsafe(), allocUnsafeSlow(), byteLength(), compare(), concat(), copy(), entries(), fill(), equals(), includes(), indexOf(), from(), isBuffer(), and many more.
- Globals
Node.js has objects that are available in all the modules in NodeJS and can be directly used while developing a web application without importing them.
- URL
The URL module resolves a web address that is readable. To include the URL module, add var URL = require( ‘ url ‘);
Strong knowledge of HTML5 and CSS3
HTML (Hypertext Markup Language) and CSS (Cascading Style Sheets) are the two core technologies to design a web page, the most used versions are HTML5 and CSS3. You must hire such a developer who has practiced and worked deeply with these technologies. Knowledge of Flexbox and CSS Grid, in addition to Bootstrap, Semantic and Structural Styling, and Foundation is a must to a Javascript developer. Along with this, the developer should be well-versed in Javascript libraries especially jQuery and CSS grid systems.
Proficient in using NPM and third party integration
A CSS pre-processor is a program that extends the functionality of CSS and compiles it
Next to NodeJS, the developer must know about Node Package Manager (NPM), how to use this tool for working with web applications on the backend side. NPM is the package manager for handling several server-side dependencies. NPM facilitates the developer by installing the Javascript libraries an application needs for development, testing, and production.
The developer must know the following commands –
- npm install
- npm init
- npm start
- npm ls
- npm version
- npm uninstall
- npm update
- npm update -g
- npm doctor
- npm deprecate
- npm outdated
- npm search
- npm help
- npm owner
Experience working with Node.js frameworks
For developing a web application in Node.js, its frameworks offer unique design patterns. Examples are Express.js, Meteor.js, Total.js, and Nest.js, being on the top is Express.js.
Express.js matches its pace with the high-speed input/output operations and aligns with the single-threaded node.js environment because it uses the concept of asynchronous programming where multiple operations are executed independently of each other. Express provides a robust application user interface (API) for client-to-server requests and interactive user applications.
Meteor.js is another popular cross-platform framework of Node.js known for rapid prototyping with Command Line Interface (CLI) and making smooth data flow between the client-side and the server-side in any application where high-performance real-time functionalities are required. Developers can even deploy live updates on the already installed applications without interfering with the current ongoing session.
Socket.io is also known for its real-time updating of responses and requests. It acts as bi-directional communication support for clients and servers. An example of this is Zoom, which needs communication of real-time bidirectional data to various participants and Socket.io makes it possible only with fewer lines of code.
Worked with Version Control System in the Past (VCS)
For developers, version control technologies such as Git, SVN, TFS, and Mercurial are important. Git is the primary tool of choice for most software engineers. In order to collaborate and organise your work, you need a version control system that can handle frequent changes. In addition to comparing old and new code, Git may be used to extract code from a repository, keep track of commits, and more.
Besides this, the developer must be familiar with branching and merging in order to allow other developers to work on the code at the same time.
Hands-on experience of Testing Frameworks and Tools
Because of the increasing importance of testing throughout the development process, it is essential for Javascript developers to have this skill set. Developers should be experienced with Jest, Chai, AVA, and Tape for unit testing. All testers must be familiar with Selenium, Cucumber.js, Webdriver, Nightwatch.js, Puppeteer and Cypress. Karma knowledge is required for integration testing.
Strong grasp of Asynchronous Programming in Node.js
Asynchronous programming allows any program to serve multiple requests without blocking the execution of its previous request. All of the I/O functions in NodeJS I/O are non-blocking and accept callback functions. If the developer wants to download any file, then the Node.js server will put this downloading job in the background without stopping the current flow of any process.
E.g .
var fs = require(‘fs’);
var fcontent ;
function readingfile(callback){
fs.readFile(“readme.txt”, “utf8”, function(err, content) {
fcontent=content;
if (err){
return console.error(err.stack);
}
callback(content);
})
};
function mycontent() {
console.log(fcontent);
}
readingfile(mycontent);
console.log(‘Reading files….’);
Firm understanding of the databases like MongoDB, MySQL, and PostgreSQL
For developing real-world web applications, the developer should be experienced with at least one of the databases, MongoDB, MySQL, and PostgreSQL. These databases can store the content in any type of format and are frequently used with NodeJS.
To work with MongoDB, the required library is mongoose and for working with MySQL, the required library is mysql. The necessary operations to perform with these modules are –
- Connection Pooling – Specify the number of database connections that should be maintained and saved by Node.js.
- Create the connection to a database. Create a callback function that can be invoked whenever the “create” method is executed.
- To retrieve and manipulate data, execute queries from the database with the help of commands such as SELECT, UPDATE, INSERT, and DELETE.
- Close the connection and create a callback function that can be invoked whenever the “close” method is executed.
Ability to write Cross-Browser compatible code
You must hire developers who can write the code that is compatible to run on any browser platform like Mozilla, Chrome, Internet Explorer. NodeJS supports cross-browser compatibility to its web applications and uses NightwatchJS for testing cross-browser applications.
Proficient Knowledge working with REST (Representational State Transfer) API (s)
- Stateless –
- Client and Server –
- Uniform Interface
- Layered System
- Cacheable
Error handling skills
While hiring, ensure the developer’s knowledge on when to crash when to log an error, when to retry, and when to continue with the application. Examples you can ask about Troubleshooting and Syntax Manipulation are the main error-handling skills that every NodeJS developer should know.
Proficient in writing optimized and readable code
You must hire the developers based on their ability to write clean and optimized code that is understandable by all the team members, and is scalable.
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Connect with the top 1% Node.js developers of India at the lowest prices
Developers use NodeJS to develop their web applications because of its flexibility on both client-side and server-side and enriched Node Package Manager (NPM) which provides various libraries and packages to work with. But recruiting the best NodeJS developers is not an easy task where a large no. of NodeJS engineers are competing to grab the job opportunities.
Top Interview Questions to ask while hiring a NodeJS developer
Frequently Asked Questions
Ultragenius is one of the leading platforms for hiring remote talent and connecting developer and part-time developers with Silicon Valley businesses. We focus on finding the best talents who will perform extremely well and will be easily integrated into your teams. We filter out only the top 1% most skilled developers among the 20K+ developers who have applied on our platform. Candidates have to prove their self-reported experience by giving Ultragenius’ s skill tests.
Ultragenius first tests the developer’s skill set by conducting a two and half hour hiring test. Our hiring test judges a candidate on all aspects like aptitude, case study analysis, verbal and reasoning, coding questions based on data structures and algorithms, software engineering, system design, and more. Then, there is another round for the candidates who are selected from this round called “Higher-level Assessment Skill Test”, which is a video round that deeply analyzes developers’ major skills and asks questions about the projects they have worked upon.
Fill up the form which is on every hiring developers’ page and we will inform you once we select the top 1% Node,js developers matching your job requirements. After analyzing the candidates based on their resumes and two assessment tests, we provide you the feedback quickly. And if the developers selected by our team are fit for your job role, then we also provide the onboarding.
Ultragenius offers you only the most skilled developers who are top 1% among the 20K+ developers who have applied on our platform. After a rigorous selection and testing process, we sort out only the top candidates for you. You can check out Ultragenius’ s selection process for hiring Node.js developers on http://www.ultragenius.club/hire-node-freelancer.
Ultragenius provides you the best facility to hire developers in more than 50 skills like React, Angular, Javascript, Node, Java, Python, Magento, Ruby On Rails, Golang, PHP, WordPress, .NET, Android, iOS, DevOps, Machine Learning, and many more.
If you are trying to hire a Node.Js Developer. Here is the Node.Js Developer Job Description that you can use in your hiring.