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Kostyantyn, JavaScript Developer

Vinnitsa, Ukraine
Last Updated: 19 Jun 2024
Identity Verified
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- 7 years of commercial experience with JavaScript, ECMAScript 6. - 5 years with Vue.js framework (including Vue 3 core principles, Style Guide, Composition API, official documentation of the framework) - Deep understanding of HTML5 and CSS3. - Interacting with API endpoints and other web services. - Converting UI/UX mockups into functional web applications with pixel perfection - Experience with responsive layout, web sites, mini applications in JS and SPA in Vue.js. - Familiar with SOLID, DRY and other clean code design principles. - Experience with UI components like UI Kit & Bootstrap - Unit tests (Cypress) - Projects with Wordpress - Intermediary English

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JavaScript

JavaScript   7 yr.

Vue.js

Vue.js   5 yr.

WordPress

WordPress   7 yr.

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Oleksii, JavaScript Developer

Ukraine
Last Updated: 17 Jul 2024
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- 10+ years of experience in web development, M.Sc in Software Engineering - Mastery of JavaScript and its associated frameworks and libraries, such as React, Angular, and Vue.js for front-end; Node.js, Next.js for back-end and React Native for mobile app development. - Experience with PHP and Cloud infrastructure such as AWS. - Proficiency in using version control systems (e.g., Git) and familiarity with DevOps practices for continuous integration and deployment (CI/CD). - Implementing and overseeing testing processes, including unit testing, integration testing, and end-to-end testing. - Experience leading and mentoring a team of developers, including assigning tasks, providing guidance, and ensuring the team's success. Ability to motivate and inspire team members, resolve conflicts, and provide constructive feedback. - Experience conducting assessments and interviews remotely.

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JavaScript

JavaScript   8 yr.

React

React   8 yr.

TypeScript

TypeScript   5 yr.

Node.js

Node.js   5 yr.

Next.js

Next.js   3 yr.

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Dmytro B., JavaScript Developer

Ukraine
Last Updated: 4 Jul 2023

- 4+ years of commercial experience in IT. - Experience in developing applications using JavaScript (Vue). - Good knowledge in JavaScript - Experience in Single Page Applications Development - Intermediate English - Available ASAP

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JavaScript

JavaScript

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Kaiser M, JavaScript Developer

Caracas, Venezuela
Last Updated: 4 Jul 2023

β€’ 4 years of experience β€’ JavaScript, Typescript, C# β€’ Fluent English

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JavaScript

JavaScript

Angular

Angular

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Vladimir N., JavaScript Developer

Ukraine
Last Updated: 4 Jul 2023

- .Net/JavaScript Engineer with 5+ years of experience. - Upper-Intermediate English. - Available ASAP

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JavaScript

JavaScript

.NET

.NET

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Based on 9 reviews

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Only 3 Steps to Hire JavaScript Engineers

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Talk to Our Talent Expert
Our journey starts with a 30-min discovery call to explore your project challenges, technical needs and team diversity.
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Within 1-3 days, we’ll share profiles and connect you with the right talents for your project. Schedule a call to meet engineers in person.
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Bring new talent on board with a trial period to confirm you hire the right one. There are no termination fees or hidden costs.

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Yaroslav Kuntsevych
Upstaff.com was launched in 2019, addressing software service companies, startups and ISVs, increasingly varying and evolving needs for qualified software engineers

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Vitalii Stalynskyi August 29, 2023

I have been working with Upstaff for over a year on a project related to landscape design and management of contractors in land design projects. During the project, we have done a lot of work on migrating the project to a multitenant architecture and are currently working on new features from the backlog.When we started this project, the hiring processes were organized well. Everything went smoothly, and we were able to start working quickly. Payments always come on time, and there is always support from managers. All issues are resolved quickly.Overall, I am very happy with my experience working with Upstaff, and I recommend them to anyone looking for a new project. They are a reliable company that provides great projects and conditions. I highly recommend them to anyone looking for a partner for their next project.

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Volodymyr August 11, 2023

Leaving a review to express how delighted I am to have found such a great side gig here. The project is intriguing, and I'm really enjoying the team dynamics. I'm also quite satisfied with the compensation aspect. It's crucial to feel valued for the work you put in.Overall, I'm grateful for the opportunity to contribute to this project and share my expertise. I'm thrilled to give a shoutout and recommendation to anyone seeking an engaging and rewarding work opportunity.

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Roman Masniuk August 25, 2023

I worked with Upstaff engineers for over 2 years, and my experience with them was great. We deployed several individual contributors to clients' implementations and put up two teams of upstaff engineers. Managers' understanding of tech and engineering is head and shoulders above other agencies. They have a solid selection of engineers, each time presented strong candidates. They were able to address our needs and resolve things very fast. Managers and devs were responsive and proactive. Great experience!

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Henry Akwerigbe August 30, 2023

This is a super team to work with. Through Upstaff, I have had multiple projects to work on. Work culture has been awesome, teammates have been super nice and collaborative, with a very professional management.There's always a project for you if you're into tech such Front-end, Back-end, Mobile Development, Fullstack, Data Analytics, QA, Machine Learning / AI, Web3, Gaming and lots more.It gets even better because many projects even allow full remote from anywhere!Nice job to the Upstaff Team 🙌🏽.

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Maryna Navo September 25, 2023

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FAQs about JavaScript Development

How to hire a JS developer? Arrow

To seek the perfect candidate, firstly, you need to clearly formulate your preferences for them according to the specifics of your project. The second step is to apply to Upstaff and select a potential employee using filters by skills, technology, and cost of services.

How to hire a junior JS developer? Arrow

Visit Upstaff and filter all JS developer candidates by skill level. If you have any doubts, contact the platform manager for help – we provide comprehensive support to our clients.

How are Upstaff JavaScript developers different? Arrow

AI tools and expert human reviewers in the vetting process are combined with a track record and historically collected feedback from clients and teammates. On average, we save over 50 hours for client teams in interviewing JavaScript candidates for each job position. We are fueled by a passion for technical expertise, drawn from our deep understanding of the industry.

How quickly can I hire JavaScript developers through Upstaff? Arrow

Our journey starts with a 30-minute discovery call to explore your project challenges, technical needs, and team diversity. Meet Carefully Matched JavaScript Talents. Within 1-3 days, we’ll share profiles and connect you with the right talents for your project. Schedule a call to meet engineers in person. Validate Your Choice. Bring a new JavaScript developer on board with a trial period to confirm that you’ve hired the right one. There are no termination fees or hidden costs.

How does Upstaff vet remote JavaScript engineers? Arrow

Upstaff Managers conduct an introductory round with potential candidates to assess their soft skills. Additionally, the talent’s hard skills are evaluated through testing or verification by a qualified developer during a technical interview. The Upstaff Staffing Platform stores data on past and present JavaScript candidates. Upstaff managers also assess talent and facilitate rapid work and scalability, offering clients valuable insights into their talent pipeline. Additionally, we have a matching system within the platform that operates in real-time, facilitating efficient pairing of candidates with suitable positions.

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Hiring JavaScript developers? Then you should know!

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Hire a JavaScript (JS) Programmer and Become the Owner of a Trendy Product

JS is one of the most well-known languages in the modern programming world. It is mainly used to create user-friendly and interactive websites.

Statista analytics shows that JavaScript tops the ranking of the most popular languages among global developers – it is used by 63.6% of respondents to the survey.

Ranking of programming languages by popularity

Source: Statista

Other data shows that 98.3% of all websites use JS as a client-side programming language.

However, this does not mean that JS is used only in web development. There are many frameworks built on this language that allow you to create dynamic, cross-platform applications for iOS and Android mobile devices, digital solutions for smartwatches, and even software for controlling flying robots.

If your mission is to get a user-friendly and high-quality digital solution that will become a real business card of your brand, it is time to hire a JS expert. In this article, you will learn when you need a skilled JavaScript developer and how to choose the best person for the job.

Applications That Can Be Developed in JS

JS is a cross-platform, object-oriented programming language whose syntax is based on Java and C. It contains types, operators, standard built-in objects, and methods.

This language allows IT professionals to use dynamically updated content in their products, including animated objects, interactive elements, pop-ups, and much more.

Without this language, programmers would have had to rely on CSS’s capabilities, which are limited to adding animations. And most web pages would still be static.

Thanks to such amazing features, the use of JS has long gone beyond the creation of web pages. Today, an experienced JavaScript developer can create other digital solutions, including:

  1. Web applications. With the help of JS, you can create an easy-to-use web application that will captivate the target audience with the best user experience. One of the successful cases of global giants using this programming language is the interactive platform Google Maps.
  2. Interactive presentations. JS-based frameworks support functions that allow you to create presentations and slideshows in the form of websites. Developers can use animated lists, highlighting, interactive slides, personalized themes, etc.
  3. Gaming applications. A TOP JavaScript developer can create a game that will function perfectly and be displayed on any gadget. Among the most popular games written in JS are Angry Birds, Bejeweled, and others.
  4. Applications for smart devices. Do you need a digital solution for your smartwatch or TV? Feel free to look for a JavaScript coder for hire. As a plus, you can develop software for robotic devices such as drones or quadcopters.
  5. Server-side applications. JS allows you to reduce the processing time of HTTP requests, automate tasks, and create server components. Many global giants, including Walmart, GoDaddy, PayPal, and Uber, have chosen JS to develop their server software.

Are you still on the fence about the technology stack for app development? Let’s take a look at the advantages of JS, which will become another argument in favor of JavaScript dev hiring.

Popular JS Frameworks and Their Purpose

Modern developers have a lot of progressive JS frameworks at their disposal, which are actively used to create complex applications and web resources. They are pre-written JS code libraries that provide programmers with ready-made functions and utilities to simplify the development process.

The most popular frameworks include the following:

  • React. It is a powerful framework with thousands of free libraries that can be used on projects of any complexity. It is mainly used to create the front-end of mobile and web applications and is based on component-based architecture and virtual DOM.
  • AngularJS. This is an open-source structural front-end framework. It allows you to improve the HTML syntax with specific directives that help you create dynamic digital solutions. Its scope is mostly limited to the development of single-page web applications (SPAs).
  • Vue.js. This is an advanced open-source JS framework used by JS specialists for front-end development, mainly for creating single-page web applications and dynamic user interfaces.
  • Node.js. This is a universal JS code interpreter based on the V8 engine, which, thanks to constant improvements, can be used not only for creating ordinary websites. Nowadays, this framework allows you to develop various digital solutions, including CMS, IoT applications, ecommerce platforms, streaming services, and much more.
  • jQuery. This is a lightweight JS library that works based on the interaction of this programming language with HTML. It simplifies the creation of interactive, dynamic user interfaces thanks to a convenient API that works in many browsers.

All the frameworks listed above have powerful functionality, a large ecosystem of tools, and reliable community support. This makes their use appropriate for creating progressive, competitive digital solutions.

JS Indispensability: Reality or Exaggeration?

The demand for JS among IT specialists is quite justified. After all, this programming language has several advantages:

  • Versatility. JavaScript developer services involve the creation of the front and back parts of a digital solution, as well as applications of different kind types.
  • Ensuring interactivity. The use of JS guarantees a dynamic user experience on the client’s side.
  • Cross-platform compatibility. Hire a JavaScript engineer regardless of the browser or platform used on the project. After all, JS works in any environment.
  • Large ecosystem of interfaces. There are many JS frameworks and libraries that offer numerous components and interfaces that can be used to create responsive digital products.
  • Scalability. Modern frameworks allow you to write powerful server-side applications in JS that can handle complex processes and large-scale traffic.
  • High performance. Innovative engines such as V8 allow you to use JS for complex computing and real-time application development.

The conclusion is self-evident: A JavaScript development team is essential for any business that wants to stay ahead of its opponents. But what should you do if you don’t have such a spot in your staff? Let’s talk about it further.

Where to Hire a JavaScript Professional?

If you are thinking about creating a modern mobile or web application, you will definitely face the question of where to seek a reliable JavaScript developer partner. There are several options:

  • Hire a freelance JavaScript developer.

This type of JavaScript developer recruitment is characterized by moderate prices, but due to the lack of official job postings, no one can guarantee the quality of the services provided.

  • Find a JavaScript developer on staff.

Hiring an in-house specialist is safer in terms of ensuring the quality of the software product. But at the same time, this leads to additional costs, such as training and adaptation of staff, etc.

  • Hire a remote JavaScript developer for the project.

This option is best suited for freelancers who want to get high-quality JS development services for an adequate price. The main thing is to contact a trusted JavaScript development agency. Only such a provider will be able to find a specialist for your needs.

So, which JavaScript dev hiring option should you choose?

Benefits of Outsourcing JavaScript Development for Your Business

It is most advisable to contact a JavaScript developer contractor. This choice is due to a number of advantages of this hiring method:

#1: Access to a pool of experienced programmers in your industry

You’ll be able to hire a JavaScript specialist with the knowledge and skills required for your project. Expertise in your business area can speed up development time and provide high results.

#2. Efficient use of the budget

The services of a remote JS specialist can be more cost-effective than employing an in-house programmer. As a principle, you can avoid the costs of recruiting, training, and creating the appropriate infrastructure.

#3. Scalability

Is a JavaScript developer needed? Outsourcing makes it easy to increase the size of your team. No longer require a specialist? That’s not a hassle either – just cancel their services after the project is over.

#4. Access to the latest technologies

Outsourcing companies usually follow the latest trends in the JS ecosystem. Therefore, you can be sure that the hired specialist will use innovative tools and technologies to work on your project.

#5. Comprehensive project support

The top IT recruitment platforms offer not only software development services but also full JavaScript developer support after the release. You can also hire a JavaScript consultant to strengthen your team.

Hire the Best JavaScript Specialist on Upstaff

Still, wasting your time browsing JavaScript developer jobs? Look for the right specialist on Upstaff.

After all, cooperation with us means:

  • The world’s best JS programming experts.
  • The assistance of our recruiters in choosing a specialist.
  • High speed of selection – up to 5 days.
  • Transparent pricing system.
  • Quality assurance of the services provided.

Don’t rely on fortune by hiring unverified programmers. Contact the Upstaff manager and be sure of your choice!

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