You will get a web app consultation from a Full Stack Developer react native
Top Rated
Project details
Whether you're planning a new web application or improving an existing one, this consultation will help you make informed decisions. We'll discuss your goals, technical challenges, architecture, scalability, and development strategy. You'll receive practical recommendations, expert insights, and clear next steps from an experienced Full stack web developer tailored to your project's needs. Whether you need help validating an idea, choosing the right tech stack, reviewing an existing solution, or preparing your product for future growth, I'll help you identify opportunities, reduce risks, and create a roadmap aligned with your business objectives and budget.
Buzz: front end developer react, shopify front end web developer, front end designer, angular front end, front end developer figma, wordpress front end developer, app front end developer tailwind, front end developer next.js, front end developer ai, full stack developer supabase react, full stack developer react firebase, full stack developer react node, full stack developer laravel, react.js node.js, full stack node.js react
Buzz: front end developer react, shopify front end web developer, front end designer, angular front end, front end developer figma, wordpress front end developer, app front end developer tailwind, front end developer next.js, front end developer ai, full stack developer supabase react, full stack developer react firebase, full stack developer react node, full stack developer laravel, react.js node.js, full stack node.js react
Programming Languages
JavaScript, Python, TypeScriptCoding Expertise
Cross Browser & Device Compatibility, Performance Optimization, SecurityWhat's included $50
These options are included with the project scope.
$50
- Delivery Time 1 day
- Number of Revisions 0
7 reviews
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TL
Tamara L.
Apr 16, 2026
Front end developer to adjust my Saas club website dashboard (React developer)
Thank you, Serhii for the quickest solution ever! I really appreciate your help and hope to work in future!
TL
Tamara L.
Apr 13, 2026
React Developer with python knowledge for my website edits
Solution-oriented guy commited to quality, quickly added my content! Will hire again
TL
Tamara L.
Nov 22, 2025
Front-end Developer Needed for AI Chatbot Fix Using React JS
Serhii quickly understood our React codebase, identified the issues with the AI chatbot, and delivered clean, efficient fixes. Highly skilled, reliable, and easy to work with. I would definitely collaborate with him again.
NS
Nadiia S.
Aug 9, 2024
Frontend Developer needed with React, NextJS and Typescript
Great experience collaborating with this freelancer. Appreciate the excellent work!
AS
Albert S.
May 10, 2024
Senior Software Development Engineer
We loved working with Serhii and the team! Very professional, great outcome, correctly budgeted, and on time.
About Serhii
Front end Developer React Full Stack Developer React Node.js Frontend
100%
Job Success
Kyiv, Ukraine - 2:10 am local time
I'm a Top Rated Front end Developer React with 15+ years of commercial experience building SaaS platforms, dashboards, customer portals, and modern web applications. With $200K+ earned, 5,300+ hours worked, 31 successful projects delivered, and a 100% Job Success Score, I focus on creating scalable solutions that combine excellent user experience with maintainable architecture.
As a React Full Stack Developer, I've helped clients across 15+ countries transform ideas into successful products and scalable platforms. I've contributed to applications ranging from startup MVPs to enterprise solutions serving more than 5 million end-users worldwide.
I've built mobile applications used by millions, SaaS products, and streaming platforms delivering real-time video and audio experiences across multiple markets.
As a React Full Stack Developer and Full Stack Developer React Node.js, I contribute across the product lifecycle—from frontend architecture and user experience to backend integrations and feature delivery. Having delivered 30+ projects, my experience as a Full Stack Developer React Node.js allows me to support complex business requirements while building reliable systems designed for growth.
🏆 Why Clients Work With Me
Top Rated with 100% Job Success
15+ years of commercial development experience
$200K+ earned on Upwork
5,300+ hours worked
31 successful projects delivered
Products serving 5M+ end-users
Clients across 15+ countries
Product ownership
Scalable solutions
Reliable delivery
As a React Full Stack Developer, I focus on delivering practical solutions that balance technical excellence with real business objectives.
🚀 Services
📌 Front End Development
As a Front end Developer React Node.js, I build responsive, high-performance applications using React, Next.js, TypeScript, and modern frontend practices.
Dashboards & Admin Panels
Customer Portals
Internal Tools
Responsive Web Applications
Reusable UI Systems
Frontend Architecture & Refactoring
📌 Full Stack Product Development
As a React Full Stack Developer and Full Stack Developer React Node.js, I work with growing teams to build SaaS products, MVPs, and business applications.
SaaS Platforms
MVP Development
Feature Development
Product Modernization
Technical Discovery
End-to-End Implementation
📌 Backend Integrations
As a Full Stack Developer React and Full Stack Developer React Node.js, I integrate backend services supporting business workflows.
REST API
GraphQL
Authentication & Authorization
Payment Integrations
Third-Party Services
📌 Product Growth
As a Full Stack Developer React, I support products beyond launch through performance improvements, architecture enhancements, and ongoing development.
🔧 Technologies
React • Next.js • TypeScript • JavaScript • Node.js • Redux • Tailwind CSS • REST API • Supabase • Firebase • PostgreSQL • Docker • Stripe • AWS
Throughout my career, I've delivered 31 successful projects for startups and established businesses across 15+ countries. The products I've contributed to now serve more than 5 million users worldwide, helping companies launch faster and scale with confidence.
As a React Full Stack Developer and Full Stack Developer React Node.js, I build applications using clean architecture, reusable code patterns, and development practices designed to support long-term business growth.
💼 Selected Experience
🏥 Healthcare Platform
Worked on healthcare applications focused on improving operational workflows and user experience. As a Front end Developer React, I developed responsive interfaces, integrated APIs, optimized user journeys, and delivered features supporting medical staff and end users.
🚚 Cargo & Logistics Platform
As a React Full Stack Developer and Full Stack Developer React Node.js, I built dashboards, shipment management interfaces, workflow solutions, and integrations supporting logistics operations.
👥 Recruitment & Hiring Platform
I developed candidate management more than 150 dashboards, search and filtering systems, workflow features, and integrations supporting recruitment.
📌 Additional Expertise
As a Front end Developer React, I collaborate with founders, product managers, and stakeholders to transform business requirements into intuitive user experiences and scalable technical solutions.
I have experience working with existing codebases as well as building products from the ground up.
My background as a Full Stack Developer React Node.js includes implementing secure authentication flows, integrating payment systems, optimizing application performance, and supporting products through multiple stages of growth.
📌 Industries
Healthcare • Logistics • Recruitment • Booking Platforms • E-commerce
As a Full Stack Developer React Node.js, I enjoy partnering with ambitious teams building products designed to scale.
let's connect.
Steps for completing your project
After purchasing the project, send requirements so Serhii can start the project.
Delivery time starts when Serhii receives requirements from you.
Serhii works on your project following the steps below.
Revisions may occur after the delivery date.
Review project requirements and define the best technical approach