You will get a robust andresponsive web app
Project details
You will receive a custom-built solution tailored to your business needs, whether it’s a web or mobile application or an AI-powered system. Our approach combines cutting-edge technology with user-centric design, ensuring a seamless experience for both you and your end-users. With extensive expertise across various industries, we create scalable, robust systems that are designed for long-term success. We ensure that your project integrates smoothly with existing platforms and is future-proof, adaptable to your evolving business requirements. Our commitment is to deliver high-quality results that elevate your business and provide tangible outcomes.
Programming Languages
JavaScript, Python, TypeScriptCoding Expertise
Cross Browser & Device Compatibility, Security, DesignWhat's included
| Service Tiers |
Starter
$800
|
Standard
$1,500
|
Advanced
$4,500
|
|---|---|---|---|
| Delivery Time | 3 days | 10 days | 22 days |
Number of Revisions | 2 | 4 | Unlimited |
Number of Pages | 2 | 5 | 12 |
Design Customization | |||
Content Upload | - | ||
Responsive Design | - | - | |
Source Code |
Optional add-ons
You can add these on the next page.
Fast Delivery
+$400 - $2,500
Additional Revision
+$100
Additional Page
(+ 2 Days)
+$500
Content Upload
(+ 1 Day)
+$450Frequently asked questions
46 reviews
(46)
(0)
(0)
(0)
(0)
This project doesn't have any reviews.
MS
Matthew S.
Jul 30, 2025
Touchpose Rig Page
MS
Matthew S.
Feb 11, 2025
Fix / Upgrade Existing Web App. Developer needed
The project was completely quickly and efficiently. Great work!
TM
Taylor M.
Nov 11, 2024
Signing NDA for YT Scripts / YT Video Software Development Project
TM
Taylor M.
Oct 6, 2024
Signing NDA for YT Scripts Development Project
RS
Romina S.
Jul 1, 2024
Full-stack Engineer
About Khrystyna
Senior React & Flutter Developer | Mobile App Development | pm
100%
Job Success
Warsaw, Poland - 10:16 pm local time
Here are some key metrics showcasing my professionalism:
⭐ 11,000+ hours worked on Upwork
✅ 70+ successfully executed projects
🔧 Excellent troubleshooting skills
🏆 Exceptional Top Rated Plus engineer
👍 70+ satisfied customers
Focusing on React, I deliver high-performance front-end applications and full-stack solutions, leveraging my skills in API integration, automation, and mobile development. Whether creating dynamic web applications or building mobile apps, I provide efficient and scalable solutions. I am proficient in a wide array of technologies, including:
🚀 Key Skills:
⚛️ React, React Native, Redux, JavaScript, Node.js, API Integration
🌐 Full-Stack Development, Web Development, API Integration
🛠️ MongoDB, Express.js, AngularJS, Web3.js, PHP, WordPress
📱 Mobile Development (iOS, Android, Flutter), Firebase, Automation
💻 TypeScript, CSS, HTML, PHP, AI App Development
🤖 Google Chrome Extensions, Hybrid App Development
☁️ Microsoft SQL Server, Microsoft Graph API, Python
📈 SEO, GitHub, ChatGPT API Integration
Keywords:
Mobile App Development, Android, Android App Development, Dart, Expo.io, Firebase, Firetime Realtime Database, Flutter, FlutterFlow, Hybrid App Development, In-app Purchases, iOS, iOS Development, Java, Kotlin, Native App Development, Push Notifications, React Native, Swift, User Authentication, UX Design.
Web Development:
React, React.js, Redux, TypeScript, UI/UX Design, AngularJS, API, CSS, Debugging, Express.js, Firebase, GitHub, Google Cloud Platforms, HTML, JavaScript, PHP, PostgreSQL, Web Development, WordPress.
Full-Stack Development:
API Development, Backend, CSS, Dart, Express.js, Full-stack Development, MongoDB, Node.js, PHP, Push Notifications, Redux, Vuex.
AI Development:
AI App Development, AI Model Integration, AI Text-to-Speech, ChatGPT API Integration, Machine Learning.
I thrive in agile environments, delivering high-quality results and collaborating effectively with cross-functional teams. My deep knowledge of React and full-stack technologies allows me to create solutions tailored to your business needs. If you're looking for a reliable, detail-oriented developer, I'm your go-to expert.
🌟 Check out my portfolio, work history, and client reviews to see my reliability! When you're ready, just send me an invite, and I’ll be happy to help you bring your dream app to life—one that not only generates revenue but is also something you’ll be proud of! 🚀💼
Steps for completing your project
After purchasing the project, send requirements so Khrystyna can start the project.
Delivery time starts when Khrystyna receives requirements from you.
Khrystyna works on your project following the steps below.
Revisions may occur after the delivery date.
Discovery phase
We carefully analize your requirements and build a detailed project plan.
Design and UI/UX architecture
Once the discovery phase is completed we start planning UI/UX with you to make user journey easy and attractive.