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Anindya Dhruba

Senior Full-stack JavaScript (Node.js) Developer

Experience in Node.js development: 5 years

Managing director at little Themewagon, author, media junkie, sports fan. I spend most of my time thinking about the impact technology is having on our society.

Major projects

Architecture design, full-stack development, team manager of a web application for a bulk email sending solution. Lead in a team of 7 developers.
  • Technologies: AWS, Node.js, Express, React, MySQL, Redis, RabbitMQ, Javascript, SCSS, CSS3, HTML5
  • Full-stack development of a web application for a healthcare provider in the USA. Senior in a team of 5 developers.
    • Technologies: PHP, Laravel, MySQL, Javascript, CSS3, HTML5
  • Full-stack development of a web application for the journal management system of a renowned university. Senior in a team of 3 developers.
    • Technologies: PHP, CodeIgniter, MySQL, Javascript, CSS3, HTML5
  • Hard skills
    • AWS based architectural design.
    • Back-end development with Node.js.
    • Development of scalable, fault-tolerant, and secure APIs.
    • Frontend development with front-end JavaScript frameworks.
    • Expertise in better UI and UX.
    • Analysis and understanding of large codebases.
    • Experience with SQL and NoSQL databases.
    • Ample expertise in cloud development.
    • Asynchronous programming.
    • Code styling with the use of preprocessors.
    Soft skills
    • Fast adaptation to new processes and requirements.
    • Excellent communication skills.
    • Efficient cooperation with product owners during requirements verification.
    • Mentorship and training of juniors and/or new team members.
    • Driving of programming standards in a team.
    • Active contribution to team discussions on how to properly design the architecture.
    • Proactive optimization of solution performance.
    • Bachelor of Science in Computer Science and Engineering.
    • Champion of Code Warriors' Challenge - 2015
      • Track: Web Application
      • Category: Company
      • Timeline: January 2015
    • Champion of Code Warriors' Challenge - 2014
      • Track: Web Application
      • Category: University
      • Timeline: January 2014
    Full Stack Software Engineer
    Full Stack Software Engineer
    Full Stack Software Engineer
    Full Stack Software Engineer
    Full Stack Software Engineer
    Full Stack Software Engineer
    Full Stack Software Engineer
    Full Stack Software Engineer

    We appreciate technext’s expertise & experiences in best practices for React JS, Next JS, and Typescript. They are fast, communicate and always respond to your messages. They show up on time and finish within the schedule and suggest an improvement. It was one of the best experiences working with them. Highly recommend Javascript engineers. We will definitely continue working with them.” Fantastic Experience!

    Jahed Mirza
    Expert Mortgage Brokers UK

    Technext team is extremely knowledgeable, communicative, and hard working. He will adjust to your time zone so that the project can be completed smoothly. We had extra work not listed on the project description and he had no problem doing it. I would 10 out of 10 hire them again and recommend him to anyone looking for a full-Stack developer.”,

    Eli Weldon
    Project Manager, Digital Marketing Consultant, Icon Athlete

    Tops level React developers

    Technext provides a bunch of experienced developers with top-notch qualities.

    We believe in excellency

    We believe in excellency and completeness with 100% assurance. And never compromise with quality.

    We use clean code

    Our developer writes clean code and it allows developers to avoid duplication.

    Reusable code

    Developers write reusable code. It increases productivity, and effectiveness, and cuts operational costs.

    Featured Projects

    Our process is a flexible framework that adapts, evolves and responds to your needs. It is the streamlined result of two decades of website design and marketing for hundreds of clients.

    Codex Pro

    An e-learning platform for youngsters to learn code easily.



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    An Email marketing SaaS platform with 16K Customers.



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    How to Hire React Developer Through Technext

    Our process is a flexible framework that adapts, evolves and responds to your needs. It is the streamlined result of two decades of website design and marketing for hundreds of clients.


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    Explore our available team

    We will provide you FullStack React developer's information that fully matches your technical requirements with their technical expertise and quality.


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    Before engaging with your project, we try to know your idea, goals, framework etc and which things you want to include, and which things you dont.


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    Before engaging in any project, we provide a free trial session for 7 days. Meanwhile, you can ensure we are the right fit or not.

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    Sparrow gives you the best output at the lowest investment and fills all your needs. Choose from the pricing plans that suits you best.


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    Turn your visitors into customers with our team of experts. We'll analyze your website and develop a suitable conversion strategy.


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    We help you measure what's working and what isn't, and improve the performance of your website to meet your business objectives.

    How We Ensure Successful Cooperation

    Sparrow gives you the best output at the lowest investment and fills all your needs. Choose from the pricing plans that suits you best.

    Team adjustment on demand

    After choosing either team augmentation or dedicated team services, you can easily ask to add or remove FTEs whenever your project needs it. Tchnext promises you to strengthen or down the resources in only 1-5 days.

    Professionals continuous development

    we ensure that the skills of our engineers always stay sharp and relevant. We provide internal pieces of training, certification course and workshops as well as help our React.js developers.

    Transparency and commitment

    To maintain the highest productivity, transparency and commitment, we use a system of mature KPIs (e.g., cycle time, team velocity, deployment frequency) to monitor the performance of developers and share this information with our clients.

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    The digital landscape is constantly evolving; just when you think you’ve gotten the hang of it, you realise that things are a-changing once again. And we are here to help.

    Hiring the Best React JS Developers in 2022: The Complete Guide for Non-Techies


    Hiring an experienced and dedicated developer for your business can be challenging. As many companies are competing to hire top ReactJS engineers, so finding a good developer is not as easy as it may seem.

    Technext is here to assist all employers who want to hire ReactJS developers independently. If you’re a non-technical manager interested in learning more about how to hire a React coder, We want to make your task easier. This article will outline the skills you need to see in a React developer and show you the best time-effective ways to hire the necessary expert.

    Let’s take a closer look!

    Before Hiring a React JS Developer few essential things you should know

    React JS’s popularity is high nowadays. Because of its popularity, there is a large pool of hiring React JS developers. Hiring a React JS developer isn’t an easy task because you cannot tell how trained and knowledgeable a developer is without any serious consideration. 

    On top of that, react JS is just a library for front-end development. Knowing the React JS alone doesn’t mean that developer is a front-end ninja. A React Js developer should also have vast knowledge about HTML and CSS also have proficiency in working with HTML and 

    CSS tools. Developers need to be comfortable working with JSX, virtual DOM, and component life-cycle. 

    React JS developers also must have excellent command over technologies like Redux, React Router, Create React App, Material Kit React, etc. Also, remember that Reactjs developers can write the original code, ensuring code clarity.

    What is React? 

    React is a widely known open-source and free JavaScript library for creating component-based user interfaces. It is maintained by Meta Platforms, Inc (formerly known as Facebook, Inc) and a community of individual developers and companies. Facebook and the open-source community run it. Although React is a library, it is widely used in web development. The library first appeared in May 2013 and is now one of the most commonly used libraries for web development.

    It’s great for working on ‘headless apps.’ Developers also want to work with React for various reasons, such as flexibility and an easy learning curve. 

    What Is a React JS Developer?

    React JS developers design and implement user interface components for JavaScript-based web and mobile applications using the React open-source library ecosystem. A ReactJS programmer is responsible for crafting and implementing UI components for JavaScript-based web and mobile apps using the open-source library. They are a part of the entire procedure, starting from conception to the significant testing and following various popular ReactJS workflows like Flux.

    They are front-end developers who build modern-day UI components to improvise application performance. They leverage their knowledge about JavaScript, HTML, and CSS and work closely with designers, testers, backend developers, and project managers to create a robust and practical app.

    ReactJS, a framework with multiple layers, has been a critical delight for both organizations and developers. ReactJS developers have been crucial in assisting business owners in focusing on their core business areas without bothering about any other technical aspects.

    Key benefits of react js for Building Interactive User Interface

    There are vast benefits of React JS for Building an Interactive User Interface. Few are mentioned below:


    React allows front-end developers to utilize individual parts of their application on both the server-side and client-side, which helps boost the speed of the designing & development process. In a nutshell, different developers can write individual parts, which helps increase the speed. 


    Because of its layered structure, react code is easier to maintain and more adaptable than other front-end frameworks. Due to this flexibility, it’s less time-consuming. 


    React JS was designed to provide top performance. The framework core offers a virtual DOM program and server-side rendering, making complex apps run smoothly. 


    If a developer has basic knowledge of positioning, React is easy to accomplish for him. Also, if he has some basic understanding of using reusable components deploying React is pretty easy to accomplish 

    Using potential reuse components is one of the main benefits of React JS. As developers write various codes for the same features, it saves time. Besides, if any changes have to make in any particular part, it will not affect other parts of the application.

    React is Search in optimization (SEO) friendly.   

    Another React js advantage is its ability to solve a typical search engine failure to understand JavaScript-heavy web applications. Though some changes have taken place at Google, we shouldn’t forget about other search engine platforms, like Bing or Baidu, Yahoo. Moreover, we need to consider a few things in various microformat web use-cases, like Twitter Cards, Open Graph etc., because of Facebook.

    While iterative updates of google made this search engine capable of reading data represented using all the advanced JS libraries, those other search engines and platforms can’t always read them. 

    With react JS, this problem doesn’t occur. React library comes with JSX, which allows developers to write in HTML. It’s actually an additional syntax extension to JavaScript that helps write your components much more accessible. It accepts all HTML quoting and makes a subcomponent rendering easier. So, webpages built with react are far more accessible by all search engines and platforms. 

     It comes with a helpful developer toolset.

    These React tools help developers discover child and parent components, observe component hierarchies, and inspect components’ present state and props.

    Popular React JS Website List

    React JS is gaining the confidence of developers all over the world. Nowadays, even large corporations use react js to build their websites and web apps. Here are some of the popular websites that use react js. 


    Talking about React JS, one cannot fail to mention the Facebook development team and their commitment to making the application and social network services as comfortable, more accessible and exciting as possible. A page requires special attention: constant user updates (likes, comments, posts), and their communication should be smooth, easy, and uninterrupted. To achieve this, React is used: messages are delivered instantly, as the counter works smoothly, updating only the number and not the entire page.

    (BBC)British Broadcasting Corporation

    This is one of the great websites built using React JS. Since 2015, the BBC has migrated its website, and it still uses it. Though its shift to a new React-based application name Simorg.  

     Simorgh is a Sole Page Application built by the BBC World Service as a rendering platform. Simorgh currently powers the BBC front page, story page, articles page, photo gallery page, media asset page, and other pages on the website.


    Another good React website example is Netflix. Many beginners are trained by building Netflix clones at a few points in their development procedure. How much this streaming website has come across to be associated with this library. In 2017, Netflix had completely rolled out this new web playback UI for all users after AB tests to optimize performance. Netflix introduced a visual playback design and new and optimized video player controls by using this. This places Netflix among the best websites made with React.

    Atlassian And Task Management Systems

    Atlassian is among the most renowned vendor companies on the planet. Previously, it has provided such monumental solutions as Confluence, Bitbucket, Stash, JIRA, Trell etc. This website is also based on React JS. Building on React JS, developers create user-friendly products that leverage its core strengths: mobile-friendly, efficient scaling options, and fast rendering to enable functional multitasking across all platforms.


    Instarcart, the grocery delivery and pick-up service switched from Underscore to Backbone for its website, which had previously been created as a single-page application (SPA). Haml, jQuery. To make the switch, the team started by converting from Backbone Views to React Components, overcoming challenges along the way. Because React just represented the View element of the Model-View-Controller architecture, this was simple.

    Dropbox (HelloSign)

    Dropbox is one of the most notable websites that use React. Dropbox’s engineering team explained how it switched the HelloSign Editor from jQuery to React last year. HelloSign is a Dropbox-owned firm that allows users to sign papers electronically. They didn’t always use react for their front-end development. The necessity to improve HelloSign Editor’s performance and usability was the driving force behind the transfer.

    Yahoo Mail

    Last but not least, this collection of the top React websites is Yahoo Mail. Back in 2017, Yahoo Mail entirely rearchitected its desktop experience through a refreshed tech stack built upon technologies like React and its, Redux and cousin. The main motive for the changes was to improve performance and reliability.

    How to Hire a React Developer 

    There is an increasing number of React developers nowadays. When developers drop their resumes, they may claim they are experts at JavaScript and React JS tools. But after testing their expertise and competence, you may find the baseline skill they possess is wrong. So most of the time, it’s become challenging to find an actual experienced React JS developer.

    Therefore, are few steps are given below which few processes you go through:

    The initial step to making hiring easier is to look for the right people. You have to see whether the developer is culturally fit or not. You don’t need a squad of highly skilled senior React.js developers with lots of experience. Seek those who learn fast and are great teammates. Underdeveloped talents and eagerness to engage and learn are your best investment. Before hiring React JS, developers have to see that he is working with HTML and CSS, have high-level proficiency in JavaScript and ES6, understand Redux and Hooks,Node.js, and NPM, etc. 

    You can hire both freelances React JS Developers or Agencies

     Three are 3 types of agencies.

    1. Small React.js agency
    2. Medium React.js agency
    3. Large React.js agency

    Larger software agencies have 100+ employees with numerous developers with so many skills can be available. Large agencies considerably charge higher fees than smaller ones.

    Small React consultancies can offer certain benefits. Their cost will usually be less than a large consultancy.

    A medium-sized or “mid-market” React.JS can offer a few benefits from large and medium skill agencies. Generally medium-sized, considered to have somewhere between 25-100 employees, a medium-sized consultancy provides the best of all worlds.

    Do I Hire a React JS Consultancy or Freelance React.js Developer? 

    Determining whether to hire a React JS consultancy or freelance developer and what is the size of the consultancy are critical decisions that can have a significant impact on the cost, quality, and overall success of your project.

    It mainly depends on the type of projects you need them for. It would help if you considered freelancers more for temporary jobs like getting a project up and running quickly and employees for long-term maintenance.

    If you find the right one, a freelance developer can provide some benefits direct one-on-one communication, lower hourly rates / and lower hourly costs. However, sometimes they probably lack the vital knowledge necessary to complete any project. For example, they may be highly skilled in front-end development but have little experience with project management, design, development operations backend development. Using a freelancer also can be risky since you’re dealing with an individual and not a company. Finally, from the above discussion, it can summarize both have pros and cons you have to choose as per your convenience.

    Hiring A Freelance React JS Developer: Merits and Demerits 


    • You can stop cooperation (fire them) them more accessible than with regular employees
    • You dont have to give them any job-related benefits (cars, sports club membership, etc.)
    • They usually come with their equipment
    • Very quick to adapt to work conditions and get themselves up and running
    • Less hidden costs (no need to educate them, buy office supplies or computers, etc.)
    • They’ll finish the job quicker but probably don’t want to stay in the office from 9–5


    • Most likely, they won’t be around forever.
    • They’re harder to control and less loyal (if they don’t like the project, they’ll most likely find a gig somewhere else).
    • They cost slightly more (although this seems so, as they bill you for the job, they buy their equipment and pay for their education, insurance, taxes, etc.)
    • They come with their terms (most likely require more freedom of when and where they work).
    • They’re more interested in getting the job done than socializing and contribute less to creating a work environment.
    • They say innovation is better when working with employees
    • They don’t contribute to a company culture that much

    Hiring A React JS Consultancy: Merits and Demerits 


    • An established company will have a verifiable track record of successful projects they have done.
    • They will often be more reliable on consultancy than freelancers and will usually have proven protocols to ensure success.
    • Their developers will likely be full-time employees of the consultancy and will be assigned to work only on your project.


    • High cost
    • Lack of employer branding

    The cost of advertising using the agency process will take longer.

    Where can I find React developers?

    1. Technext 

    Tech next is a great place to find experienced React JS developers. It has been providing service for the past 12 years with many successful projects. It always assures quality services with a 100 % guarantee. Its main key benefit is that it provides trial sessions before assigning to any project.

    1. Toptal

    If your business demands only the best React experts globally, Toptal is the best place. If you choose Toptal, raw skill and quality work are guaranteed. 

    1. Upwork

    For any project size, Upwork is the best. Where you can find different skill level developers, it works great for short projects that need a handful of team members or individuals. If you want a diverse pool-level application, Upwork is the best place to go.  

    1. Gigster

    Gigster is a professional platform and delivers enterprise applications in record time with ita network of subject matter experts, proven delivery, methodology, and fully managed services. That handles the most tricky parts of managing. It uses both human and artificial intelligence to speedily put together a team of React experts who can get started immediately.

    For hiring a React developer, how much does it cost?

    Depending on the different geographical location, React JS  developer costs varies. Sometimes a React developer may be paid a high amount, sometimes low. Even in a few areas, they are perhaps not rewarded with a good amount for their work.

    How Much do React Developers Cost in Australia? 

    An average React developer’s salary in Australia is $140,000 per year or $71.79 per hour. Entry-level positions start at $120,424 per year, while most experienced workers make up $163,738 per year.

    When hiring a React developer, what should I look for?

    There are a few things one must look at before hiring React developer. It’s an important step because it will further make the project worthy.

     Front-end development

    • HTML, CSS, JS
    • JS libraries like jQuery and React.
    • Front-end and JS frameworks like Bootstrap, Bulma, and Foundation
    • CSS preprocessors like SASS, LESS
    • Asynchronous JS and XML (AJAX)
    • REST APIs
    • Build tools like Gulp, Grunt, and modular bundles like Webpack
    • Naming conventions like BEM for HTML and CSS
    • JS standardization like ECMAScript (ES6/7/8)

    Concepts and methods

    The significance of adequate experience in JavaScript cannot be stressed enough as the name itself goes by “ReactJS.” Especially, one must be familiar with the following things in JS and its standardization to understand and structure the application logic and flow.

    Programming Concepts: 

    functions, objects, arrays, and classes.

    JS: ‘this’ keyword, filter, map, and reduce methods.

    ES6/7/8: let & const, arrow functions, template literals, default parameters, object literals, rest and spread operators, and destructing assignment.

     In React

    • About React and its core principles
    • JS architecture (design Pattern) like Flux and other related libraries like Redux and Mobx
    • Basic understanding of DOM (Document Object Model)
    • Node.js – a runt-time environment
    • Package Managers like NPM and Yarn
    • Mobile app frameworks like React Native
    • To perform Unit Testing with Karma, Jest, TDD, Mocha, VCS, Selenium, and Enzyme.
    • To work on third-party dependencies and debug dependency conflicts.

    What Should Every React Developer know?

    HTML & CSS


    Command on JavaScript Fundamentals along with ES6



    Node and NPM package

    About a few tools, React Developers must know.

    Apart from all the skills and areas of expertise, React developers should have great knowledge and command of some key development tools. They are:

    For development automation, Bitrise is the tool.

    1. For development automation, Bitrise is the tool.
    2. For reporting crashes, managing, testers, and beta version distribution Hockeyapp is the
    3. for state management Redux is the tool
    4. ESLint is the tool for evaluating the code to comply with JavaScript ESLint is the tool
    1. Jest is the testing tool for JavaScript code
    2. The enzyme is a fully-fledged testing tool for React apps
    3. NPM registry is the hosting tool for all software tools for the app project


    Essential React.js Interview Questions

    Interviews are one of the best ways to assess an applicant’s quality and expertise. But suppose you are not an expert yourself. In that case, we suggest you emphasize a developers portfolio and work experience to access their expertise rather than interview questions, and you probably should stick with basic questions. Here we have added a few basic interview questions that you may ask an applicant. 

    • What are props in React?
    • How to create refs?
    • What is use state () in React?
    • What are higher-order components?
    •  Tell the differences between a class component and a functional component?
    • What does it mean for a component to be mounted in React?
    • What difference between state and props?
    •  What is the purpose of using the super constructor with props argument?
    • What are the features of React?
    • What is JSX? …
    • Can web browsers read JSX directly? …
    • What is the virtual DOM? …
    • Why use React instead of other frameworks, like Angular?
    • What is the difference between the ES6 and ES5 standards? 
    • How do you create a React app?
    • What is an event in React?

    Final words

    We all know how essential react js is for designing high-performing & interactive user interfaces. And how important a role an expert react js developer plays in perfectly implementing all the react features. We hope you got some idea about the hiring process from the discussion above. But remember, you can always hire an expert team from reputed companies like technext if you need to speed up your process.  If you need expert suggestions, we are very much welcome to contact us for free consultancy. 

    Good Luck 🙂 


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