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Demyd G, Senior React Developer with Blockchain Experience

Kharkiv, Ukraine
Last Updated: 4 Jul 2023

- Senior software developer with about 7 years of experience - Web applications for crypto finance (including wallet for Ethereum using ether.js (deposit, withdrawal, staking operations) and web3.js (connect Metamask, get balance, withdraw and deposit tokens) - Maintaining web applications with Front-end jQuery, Vue.js, React.js, React Native, Angular.JS, Angular 2+ and PHP Laravel, WordPress - Hands-on experience of both working as a single developer and being a part of big Agile teams.

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JSX

JSX

React

React

web3

web3

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Ifeanyi C., JavaScript Engineer

Nigeria
Last Updated: 4 Sep 2023

- Software Developer with over 5 years of experience - Experience with React over 5 years - Experience with Node.js over 5 years - Experience with PHP over 7 years - Front-end/Backend Development - Project Management Experience - Upper-Intermediate English - Available ASAP

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JSX

JSX

React

React   5 yr.

Node.js

Node.js   5 yr.

PHP

PHP   7 yr.

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Mikayel B., React Engineer.

Armenia
Last Updated: 4 Jul 2023

- 3+ years of work experience in IT - Experience with JavaScript, learned new technologies, like React, Redux, MobX, Saga, TypeScript - Intermediate English - Available ASAP

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JSX

JSX   4 yr.

React

React   3 yr.

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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.
Manager
Maria Lapko
Global Partnership Manager

Only 3 Steps to Hire JSX Engineers

1
Talk to Our Talent Expert
Our journey starts with a 30-min discovery call to explore your project challenges, technical needs and team diversity.
2
Meet Carefully Matched 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.
3
Validate Your Choice
Bring new talent on board with a trial period to confirm you hire the right one. There are no termination fees or hidden costs.

Welcome to Upstaff

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

Yaroslav Kuntsevych

CEO
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Henry Akwerigbe
Henry Akwerigbe
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 🙌🏽.
Vitalii Stalynskyi
Vitalii Stalynskyi
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.
Владислав «Sheepbar» Баранов
Владислав «Sheepbar» Баранов
We've been with Upstaff for over 2 years, finding great long-term PHP and Android projects for our available developers. The support is constant, and payments are always on time. Upstaff's efficient processes have made our experience satisfying and their reliable assistance has been invaluable.
Roman Masniuk
Roman Masniuk
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!
Yanina Antipova
Yanina Antipova
Хочу виразити велику подяку за таку швидку роботу по підбору двох розробників. Та ще й у такий короткий термін-2 дні. Це мене здивувало, адже ми шукали вже цілий місяць. І знайдені кандидати нам не підходили Це щось неймовірне. Доречі, ці кандидати працюють у нас і зараз. Та надать приклад іншим працівникам. Гарного дня!)
Наталья Кравцова
Наталья Кравцова
I discovered an exciting and well-paying project on Upstaff, and I couldn't be happier with my experience. Upstaff's platform is a gem for freelancers like me. It not only connects you with intriguing projects but also ensures fair compensation and a seamless work environment. If you're a programmer seeking quality opportunities, I highly recommend Upstaff.
Volodymyr
Volodymyr
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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FAQs about JSX Development

How do I hire a JSX developer? Arrow

Are you desperately looking for a JSX developer validated to your requirements and skills? Are you lacking in resources and tools to find the right developer? If yes, then you are at the right place! Because at Upstaff, the selection of the JSX Developer is done professionally as per your requirement, in a short time of just a few days, from calling to the instant task of your validated developer, with all your required skills.

Where is the best place to find JSX developers? Arrow

Sure enough, within the network there must be dozens, if not hundreds, of services and platforms where you can look for the JSX guy you need, but just Upstaff lets you sort out the best of the best real qualified developers practically in a couple of minutes, so that you will be able to select the one whose personality will be a perfect fit to your company. This is the case when you can create a genuinely “Pizza” type of service in the field of custom software development.

How are Upstaff JSX developers different? Arrow

Vetting by expert human reviewers is combined with historically curated feedback from clients and team-mates, which has enabled us to save, on average, more than 50 hours for each client team evaluating JSX candidates for every position. We live and breathe technical excellence, borne out of extensive industry expertise.

How quickly can I hire JSX developers through Upstaff? Arrow

Our process begins with a 30-minute discovery call: we’ll discuss your pain points, technical requirements, and team diversity. Meet Carefully Matched JSX Talents. Upon your meeting confirmation, we’ll send you profiles and arrange an introduction call with the right talents for your project, within 1-3 days. Schedule a call to meet JSX engineers in person. Make the right call. Bring a new JSX developer on board with a trial period: confirm that the person you hired does the job right, no termination fees and no hidden fees.

How does Upstaff vet remote JSX engineers? Arrow

After this introductory round, Upstaff Managers do an eval of the soft skills of the candidates before the hiring decision is approved or rejected. For the hard skills, the Upstaff Staffing Platform has a short testing session to check their JSX skills or engage a senior developer to do a technical interview for more senior developers. You can reuse some of the hard and soft skills of past candidates to connect them with other jobs in the future (see below). Upstaff managers also do an eval of the talent before approving them for further work, allowing us to accelerate the work and ability to scale, but also providing information to clients on the talent pipeline. Finally, we also have a matching engine within the work mining system that matches candidates and jobs in real time.

How to hire JSX developer? Arrow

If recruiting services and job boards are not your 1st option, you may want to consider a client-oriented service like Upstaff to find & hire JSX developers. Upstaff has a network of vetted and tested JSX developers. Here, you can hire web developers for a few simple coding tasks with JSX.

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Table of Contents

How and where is JSX used?

  • Interactive UIs: Enhance visual appeal
  • Reusable Components: Efficient development
  • Virtual DOM: Faster rendering
  • Inline Styles: Simplified styling
  • Conditional Rendering: Dynamic content
  • Form Validation: Streamlined input handling
  • Event Handling: User interaction
  • Server-side Rendering: Improved performance
  • Mobile App Development: Cross-platform compatibility
  • Animation: Engaging user experience

Compare Junior, Middle, Senior, and Expert/Team Lead JSX Developer roles

Seniority NameYears of experienceResponsibilities and activitiesAverage salary (USD/year)
Junior1-2 years
  • Assist in developing simple JSX components
  • Debugging and testing code
$50,000
Middle3-5 years
  • Develop complex JSX functionalities
  • Code optimization
$70,000
Senior6-8 years
  • Lead project architecture design
  • Mentor junior developers
$90,000
Expert/Team Lead9+ years
  • Manage team priorities
  • Oversee project delivery
$120,000

Quick Facts about JSX.

  • JSX was born in the magical year of 2013 by the wizardly minds of Facebook.
  • Projects that dig JSX vibes include killer apps, rock-solid websites, and even funky prototypes!
  • Feeling JSX-curious? Just mix some HTML with JavaScript and sprinkle some JSX on top!
  • When JSX hits the town, it often brings its BFF, React, along for the coding adventures.
  • Did you know? The name JSX stands for JavaScript XML, making code look cooler than ever!

TOP JSX Related Technologies

  1. React (Facebook)
  2. Vue (Evan You, 2014)
  3. Preact (Jason Miller)
  4. Inferno (Dominic Gannaway)
  5. Angular (Google)

What are top JSX instruments and tools?

  • React Developer Tools: Helps in debugging React components
  • Storybook: Used for developing UI components
  • CodeSandbox: Online code editor for React development
  • ESLint: Linter tool for identifying and reporting patterns
  • Prettier: Code formatter to maintain consistent code style
  • Webpack: Module bundler for modern JavaScript applications
  • Babel: JavaScript compiler for transforming code

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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.
Manager
Maria Lapko
Global Partnership Manager