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UI
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UI

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Grid Layout Row Layout
Webflow 1yr.
Adobe Illustrator
Adobe Photoshop
Figma
UX
UI
...

- 7+ years in design and 1+ year of commercial experience with Webflow- Strong understanding of typography, layout, color theory, and user interface (UI) design principles, and experience applying them to web design- Experience creating and managing Webflow templates and style guides for consistent and efficient design implementation- Intermediate English

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Seniority Senior (5-10 years)
Location Cherkasy, Ukraine
React
C#
.NET
C
C++
JavaScript
Objective Pascal
TypeScript
ADO.NET
ASP.NET
ASP.NET Core Framework
ASP.NET MVC Pattern
ASP.NET Web API
Entity Framework
LINQ
.Net WCF
SignalR
WPF
Ajax
Bootstrap
CSS
CSS3
HTML
HTML5
jQuery
NHibernate
Database Design
Microsoft SQL Server
MySQL
Oracle Database
ORM
PL/SQL
relational databases
SQL
SQL Server Management Studio
Azure
Azure DevOps
Azure Service Bus
Azure Services
Azure Storage
Healthcare
retail
RESTful API
Web API
Winforms
Blazor
Internet Information Services (IIS)
Microsoft Visual Studio Code
ReSharper
MVC
NUnit
Postman
TortoiseGit
VPN
WebRTC
ASP.NET SignalR
Azure Database
Backend
Business logic
Core
database
DB
Desktop
Enterprise
MEF
MS
MSBuild
Oracle Database Server
Performance Tuning
Prism
Relational
Responsive
UI
Visual Studio 2022
Web Forms
WinApi
XML/JSON
...

- Experienced Full-Stack Software Developer with 14+ years in commercial IT, with deep expertise in C#/.NET for server-side solutions - Extensive hands-on experience in modern frontend development using JavaScript, TypeScript, and frameworks like React. - Proven ability to engineer scalable architectures, design and implement efficient RESTful APIs, real-time communication layers (SignalR, WebRTC), and robust business logic for complex enterprise systems. - Advanced in building responsive, maintainable client-side interfaces (SPA/SPA-PWA) and integrating UI with backend services using modern web standards (HTML5, CSS3, Bootstrap). - Strong background in relational database design and performance tuning (MS SQL Server, Oracle, MySQL), ORM frameworks (Entity Framework, NHibernate), and cloud integration (Azure). - Track record of delivering high-quality, maintainable code in dynamic domains including Media & Entertainment, Manufacturing, Healthcare, Energy, Industrial Automation, and Retail. - Analytical, proactive, and collaborative — always driving for maximum business value and technical excellence on both frontend and backend.

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Seniority Senior (5-10 years)
Location Lviv, Ukraine
.NET 6yr.
Xamarin 5yr.
Flutter 4yr.
Dart 4yr.
Firebase
DesignPatterns 4yr.
ASP.NET 3yr.
AI
C#
Java
ADO.NET
ASP.MVC Pattern
Android SDK
HTML
XAML
XML
JSON
ML
Microsoft SQL Server
MySQL
PostgreSQL
SQL
SQLite
Azure
Adobe XD
Figma
Android
RESTful API
Web API
iOS
OOP
SOLID
database
.NET Maui
SDK
SQL databases
SQL/NoSQL
UI
...

- Commercial Experience with Mobile Development since 2016 in the banking, insurance, health and beauty industries, education and e-commerce - Senior and Lead Developer, able to organize the process of building an application both by himself and by a team - 4+ years of commercial experience with Flutter and Dart - 5+ years of experience with Xamarin - Significant experience in development with Firebase - Proven experience with start-ups in early stages of growth - Extensive experience of work with international companies in Canada, the UK, Saudi Arabia, the UAE, Egypt, Jordan, Kuwait - Experience in MVP and architecture development of complex mobile applications such as mobile banking and e-commerce platforms. - Experience with SDKs and APIs - AI/ML enthusiast - Excellent soft skills scaled up in work in mixed teams in international companies, open-minded, trouble-shooter, great communicator and experienced mentor - Upper-Intermediate English - Native Arabic - Available ASAP

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Seniority Senior (5-10 years)
Location Cairo, Egypt
React 4yr.
TypeScript 3yr.
Next.js 1yr.
GraphQL 1yr.
JavaScript
Adaptiv layout
CSS
HTML5
SASS
Enzyme
Mongoose
NPM
React Hooks
React Router
Redux
Redux Thunk
Redux-toolkit
Webpack
Express
Node.js
Firebase
MongoDB
Axios
CRUD
Docker
GitHub
Jest
UX
prop-types
SVG
UI
...

- Frontend developer with 4+ years of experience - Basic knowledge of Node.js on the back-end side - Experience working in both large and smaller teams - Has experience in technological solutions for improving business processes - Intermediate English - Available ASAP

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Seniority Middle (3-5 years)
Location Germany
JavaScript
Magento 1
Magento 2
PHP
Ajax
CSS
HTML5
jQuery
LESS
SASS
Grunt
Gulp.js
KnockoutJS
Node.js
React
PhpStorm
MySQL
ActiveCollab
Atlassian Trello
Jira
Adobe Photoshop
Agile
Scrum
Apache HTTP Server
Nginx
Git
Linux
Unix
Bootstrap CSS
UI
Valid and cross-browser coding using
...

- 5+ years experience of developing large e-commerce solutions based on CMSMagento - Was involved as a front-end developer in up to 25 e-commerce projects based on Magento and WordPress - Creative, self-starter and quick learner person with an ability to work under pressure. - Available 20 hours per week

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Seniority Senior (5-10 years)
Location Ukraine
.NET
React
C#
F#
JavaScript
Python
LLM
Akka Streams
Angular
jQuery
ASP.NET
ASP.NET MVC Pattern
Entity Framework
LINQ
.NET Core
.NET Framework
.Net WCF
WPF
Bootstrap
CSS
DartSass
HTML
HTML5
XML
Immutable.js
Redux
JSON
Notifications
Microsoft SQL Server
MySQL
RavenDB
SQL
SQL Server Management Studio
AWS
Amazon RDS
AWS API Gateway
AWS Backup
AWS CloudWatch
AWS CodePipeline
AWS Lambda
AWS S3
Blockchain
Healthcare
Alchemy
Etherscan
ETH (Ethereum blockchain)
Tokens
API
Swagger
Telegram API
Web API
Automated testing
Cybersecurity
Data Security
Debugging
NUnit
Postman
xunit
CI/CD
Core Data
Docker
Storage
Functional Programming
microservices architecture
serverless
SOLID
Git
SVN
Internet Information Services (IIS)
UI/UX
Backend
cisco
database
Data Management
HR
Linux Pentesting Tools
Logging
Microsoft Azure
MS
Provider
Razor Pages
Server
Software Development
Tools
UI
...

- 9+ years of experience as a full-stack developer with a focus on .NET technologies. - Expertise in C#, .NET Framework, .NET Core, and Entity Framework, with a proven ability to design and implement robust, scalable solutions. - Strong front-end development skills using React, Angular, JavaScript, and jQuery, and proficient in database management with MS SQL Server. - Developed a cryptocurrency detection and analysis system using F# and functional programming principles to identify and filter scam tokens in real-time. - Extensive experience with AWS services (Lambda, RDS, S3, API Gateway, CloudWatch) to architect and deploy serverless, cloud-native applications. - Hands-on experience integrating with a variety of third-party APIs, including Etherscan, Copart, and AWS. - Skilled in all phases of the software development lifecycle, including project planning, system design, feature development, and maintenance. - Bachelor's Degree in Cybersecurity with a focus on secure development practices.

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Seniority Senior (5-10 years)
Location Ukraine
PHP
JavaScript
Blade
Bootstrap
CSS
HTML
jQuery
CodeIgniter
Laravel
Gulp.js
NPM
Redux
Node.js
React
JSON
Google Analytics
MongoDB
MySQL
PostgreSQL
AWS
Apache HTTP Server
Nginx
Flux
Git
Mercurial
SVN
Google Maps API
GraphQL
JWT
Mailgun API
OAuth
RESTful API
Twilio
Twilio API
SSH
WebRTC
WebSockets
Linux
microservices architecture
MVC
OOP
HMVC
Reflux
UI
XMW
...

- 7+ years of experience, result-oriented full-stack developer with a strong technical skill-set. - Upper-intermediate English. - Available ASAP.

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Seniority Senior (5-10 years)
Location Ukraine

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Average UI Tech Radar

Talk to Our 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
Trusted by People
Trusted by Businesses
Accenture
SpiralScout
Valtech
Unisoft
Diceus
Ciklum
Infopulse
Adidas
Accenture
SpiralScout
Valtech
Unisoft
Diceus
Ciklum
Infopulse
Adidas

Want to hire UI developer? Then you should know!

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Table of Contents

How and where is UI used?

  • Online shopping experience enhancement: Product listing optimization
  • Interactive data visualization: Real-time analytics dashboard
  • Efficient content management: Customizable CMS interface
  • User engagement improvement: Gamification elements integration
  • Mobile app development: Responsive design for various devices
  • Improved accessibility: Screen reader compatibility enhancement
  • Streamlined workflow: Task management tool interface design
  • Virtual reality applications: UI design for immersive experiences
  • Enhanced user onboarding: Interactive tutorial creation
  • Augmented reality integration: Intuitive user interface design

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

Seniority NameYears of experienceResponsibilities and activitiesAverage salary (USD/year)
Junior1-2 yearsImplement basic UI designs using HTML/CSS$50,000
Middle3-5 yearsDevelop interactive UI features with JavaScript$70,000
Senior6-8 years
  • Lead UI architecture design
  • Optimize UI performance
$90,000
Expert/Team Lead9+ years
  • Mentor junior developers
  • Collaborate with cross-functional teams
$120,000

Quick Facts about UI.

  • UI Software Development was born in the year 1970, paving the way for user-friendly interfaces.
  • Projects like website design, mobile app development, and desktop applications rely heavily on UI Software Development.
  • To dive into UI Software Development, one needs a basic understanding of programming languages like HTML, CSS, and JavaScript.
  • UI Software Development’s best buddy is UX Design, as they work hand in hand to create seamless user experiences.
  • Despite its importance, UI Software Development often faces the challenge of balancing aesthetics with functionality.

TOP UI Related Technologies

  1. React (Facebook)
  2. Angular (Google)
  3. Vue.js (Evan You, 2014)
  4. Bootstrap (Twitter)
  5. jQuery (John Resig, 2006)

What are top UI instruments and tools?

  • Sketch: A design tool by Bohemian Coding released in 2010
  • Figma: An interface design tool by Figma, Inc. released in 2016
  • Adobe XD: A design tool by Adobe Systems released in 2016
  • InVision Studio: A digital product design platform by InVisionApp Inc. released in 2018
  • Marvel: A design and prototyping tool by Marvel Prototyping Ltd. released in 2013
Table of Contents

Talk to Our 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

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FAQs on UI Development

What is a UI Developer? Arrow

A UI Developer is a specialist in the UI framework/language, focusing on developing applications or systems that require expertise in this particular technology.

Why should I hire a UI Developer through Upstaff.com? Arrow

Hiring through Upstaff.com gives you access to a curated pool of pre-screened UI Developers, ensuring you find the right talent quickly and efficiently.

How do I know if a UI Developer is right for my project? Arrow

If your project involves developing applications or systems that rely heavily on UI, then hiring a UI Developer would be essential.

How does the hiring process work on Upstaff.com? Arrow

Post Your Job: Provide details about your project.
Review Candidates: Access profiles of qualified UI Developers.
Interview: Evaluate candidates through interviews.
Hire: Choose the best fit for your project.

What is the cost of hiring a UI Developer? Arrow

The cost depends on factors like experience and project scope, but Upstaff.com offers competitive rates and flexible pricing options.

Can I hire UI Developers on a part-time or project-based basis? Arrow

Yes, Upstaff.com allows you to hire UI Developers on both a part-time and project-based basis, depending on your needs.

What are the qualifications of UI Developers on Upstaff.com? Arrow

All developers undergo a strict vetting process to ensure they meet our high standards of expertise and professionalism.

How do I manage a UI Developer once hired? Arrow

Upstaff.com offers tools and resources to help you manage your developer effectively, including communication platforms and project tracking tools.

What support does Upstaff.com offer during the hiring process? Arrow

Upstaff.com provides ongoing support, including help with onboarding, and expert advice to ensure you make the right hire.

Can I replace a UI Developer if they are not meeting expectations? Arrow

Yes, Upstaff.com allows you to replace a developer if they are not meeting your expectations, ensuring you get the right fit for your project.