You will get consultation for your e-procurement platform development
Top Rated
Project details
Planning to build procurement software? I'll help you understand spend analytics, contract management, and how to create a centralized purchasing system.
Programming Languages
HTML & CSS, Python, TypeScriptCoding Expertise
PSD to HTML, Performance Optimization, SecurityWhat's included $50
These options are included with the project scope.
$50
- Delivery Time 1 day
- Number of Revisions 0
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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 - 5:25 pm local time
I'm a Top Rated Front end Developer React with 12+ years of commercial experience building SaaS platforms, dashboards, customer portals, and modern web applications. With $30K+ earned, 1100+ hours worked, 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 products serving more than 5 million end-users worldwide.
I've built mobile applications used by millions, SaaS products powering growing businesses, and streaming platforms delivering video and audio experiences in real time across multiple markets.
As a React Full Stack Developer and Full Stack Developer React Node.js, I contribute across the entire product lifecycle from frontend architecture and user experience to backend integrations and feature delivery. 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
• 12+ years of commercial development experience
• $30K+ earned and 1100+ hours on Upwork
• 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, highperformance applications using React, Next.js, TypeScript, 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 and evolve SaaS products, MVPs, 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 that support 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
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 both 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 and transportation processes.
👥 Recruitment & Hiring Platform
As a Full Stack Developer React, I developed candidate management dashboards, search and filtering systems, workflow features, and integrations supporting recruitment and hiring processes.
📌 Additional Expertise
As a Front end Developer React, I collaborate closely with founders, product managers, and stakeholders to transform business requirements into intuitive user experiences and scalable technical solutions.
As a React Full Stack Developer 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.
💡 What Clients Value
Clients value my ability to contribute as a Front end Developer React while understanding the broader product vision and delivering results as a Full Stack Developer React.
If you need a Front end Developer React Node.js, 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.
Workflow analysis and feature requirements session