You will get a consultation for your event management software
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Project details
As a Full Stack Developer React, I'll review your event management software, discuss your business goals, validate your requirements, and recommend the best technical approach. Whether you're planning an MVP or improving an existing platform, I'll help you make informed architecture and technology decisions. As a React Full Stack Developer and Web Developer, I can advise on Full Stack Developer React Node architectures, Stripe integrations, React Native applications, and scalable backend solutions. I also have experience with Full Stack Developer React Firebase, WordPress Developer projects when they are part of a broader product ecosystem.
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Web Programming Project
API Development, API Integration, Data DashboardProgramming Languages
JavaScript, Python, TypeScriptCoding Expertise
Cross Browser & Device Compatibility, Performance Optimization, DesignWhat's included $50
These options are included with the project scope.
$50
- Delivery Time 1 day
- Number of Revisions 1
Frequently asked questions
21 reviews
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TL
Tamara L.
Apr 22, 2026
Full Stack Developer React Developer to finish my saas setup
Absolutely professional. Will hire again! Thanks for finding a time to help me out! Quality! Results! Everything is just great.
TL
Tamara L.
Apr 15, 2026
React Developer with python knowledge for my website edits
I am SO THANKFUL for the help with the project. I didn't expect that you will be able to jump in so quickly and help! Thanks! Recommended to any saas project and accountable for outcomes! Unbelievable detail-oriented guy!
GP
Gavin P.
Feb 25, 2026
Frontend react.js developer to complete the job posting platform
Illia and team are fantastic, very responsive, they will help you every step of the way, suggesting things for your project you may be overlooking, going above and beyond for your project. if you need development please go with him!
OT
Office T.
Feb 23, 2026
AI Enhanced Fullstack Development team
Illia was great, I highly recommend!
NG
Niamh G.
Jan 27, 2026
Python developer
Was excellent to work with and clear communicator and problem solver. Also acted as an excellent consultant and advisor when needed. I would highly recommend to anyone
About Illia
Full Stack Developer | React Native Developer| |React Developer | BM
100%
Job Success
Kyiv, Ukraine - 10:20 am local time
🙈 “Can we just quickly fix this?”
🙊 “It’s probably just a small change.”
🙉 “Let’s ship first and think later.”
I am a CEO and Business Manager at Peppernode. I help create systems where architecture matters, decisions matter, and the cost of mistakes is higher than the cost of doing it right. Call me Illia.
✅ Full Stack Developer React
✅ React Developer
✅ React Native Developer
✅ React Native Mobile Developer
✅ Python Developer
✅ Front end Developer
✅ Mobile App Developer
✅ SaaS Developer
With 12+ years of experience, I specialize in building scalable SaaS platforms, high-performance mobile applications, and production systems designed for long-term growth.
I work as a React Full Stack Developer, React Native App Developer, React Developer, and Python Developer, helping startups and established businesses transform ideas into reliable products that scale. Over the years, I've delivered 31 successful projects for clients across 15+ countries, building products that now serve more than 5 million software end-users worldwide. As an Expert-Vetted professional with 100% Job Success, $200K+
🏆 Why Clients Choose Me
As a Full Stack Developer React with 31 successful projects delivered across 15+ countries, I've helped build products now serving more than 5 million end-users worldwide. With 100% Job Success, $200K+ earned, and 5,339+ hours worked on Upwork, I bring proven experience designing scalable applications, validating product strategies, and helping businesses make the right technical decisions from day one.
🚀 SaaS Product Development
I build modern SaaS platforms as a Full Stack Developer React using React, Python, Firebase, scalable architecture built to scale. I work as a React Developer Firebase with 20+ SaaS projects delivering connected experiences across frontend and backend systems.
My experience includes architecture planning, MVP development, frontend/backend implementation, payment integrati.
📱 React Native App Development
As a React Native Developer and React Native App Developer, I build cross-platform applications delivering consistent experiences across iOS and Android. As a React Developer and Mobile App Developer, I deliver React Native Mobile solutions built for reliability and performance.
As a react native developer expo specialist, I move products from MVP to production while maintaining a high-quality user experience. My experience includes mobile app development react native projects for startups and businesses requiring speed, flexibility, and long-term scalability.
My work includes React Native and Expo development, feature delivery as a full stack developer react native, mobile MVPs and enterprise applications, API integrations, App Store and Google Play releases, performance optimization, product support. I have experience as a node js react native mobile developer building connected mobile ecosystems powered by scalable backend services.
🍽 Restaurant Ordering Systems
I have experience developing restaurant ordering solutions serving thousands of daily users, with a strong focus on reliability, operational efficiency, and seamless customer experiences. Several included React Native Mobile experiences for customers and operational teams.
These systems require solid architecture and stable integrations.
📌 Existing Product Modernization
Many teams come to me after moving too fast.
As a Full Stack Developer React, I improve existing applications through refactoring unstable codebases, optimizing performance bottlenecks, introducing scalable architecture, reducing technical debt, and expanding functionality without sacrificing maintainability.
🤖 AI Integrations & Automation
I work as a Full Stack Developer AI building solutions with OpenAI API, Gemini, LangChain, Copilot, and modern AI workflows. Built 20+ AI integrations using OpenAI API, Gemini, and LangChain to create intelligent product experiences, including AI-powered features, chat interfaces, workflow automation.
🔧 Workflow & Tech Stack
Discovery and planning begin with business analysis, technical discovery, architecture decisions, and product strategy.
Frontend technologies include React, React Native, Expo, TypeScript, JS, HTML5, CSS.
Backend development is built with Python, FastAPI, Django, Node.js, REST APIs, GraphQL, PostgreSQL, MySQL, Firebase, Stripe integrations. As a Python Full Stack Developer Flask specialist, I focus on maintainable systems, integrations, and architectures designed for long-term evolution.
🚀 Need a Web Developer, React Developer, React Native Developer, Full Stack Developer React Node or Python Full Stack Developer who thinks beyond code and builds products designed to scale?
Let’s talk.
Steps for completing your project
After purchasing the project, send requirements so Illia can start the project.
Delivery time starts when Illia receives requirements from you.
Illia works on your project following the steps below.
Revisions may occur after the delivery date.
Share Your Project
Send your requirements, goals, documentation, or any questions you'd like to discuss.
Consultation Session
We'll review your event management software, discuss architecture, features, and the best technical approach.