You will get React code review for your project
Top Rated
Project details
You will get a short, focused code review that helps you spot the most important risks before they turn into expensive fixes.
I will review the code, selected file, or specific app flow you provide and prepare a clear written report with the key issues, priority level, and practical next steps.
This is not a full project audit. It is a quick senior-level check focused on what matters most: bugs, performance risks, security concerns, structure, maintainability, and possible technical debt.
It is a good fit if you have a React, Next.js, JavaScript, TypeScript, or web app project and want a fresh technical eye before continuing development, hiring a developer, or investing more money into the product.
I will review the code, selected file, or specific app flow you provide and prepare a clear written report with the key issues, priority level, and practical next steps.
This is not a full project audit. It is a quick senior-level check focused on what matters most: bugs, performance risks, security concerns, structure, maintainability, and possible technical debt.
It is a good fit if you have a React, Next.js, JavaScript, TypeScript, or web app project and want a fresh technical eye before continuing development, hiring a developer, or investing more money into the product.
Programming Languages
HTML & CSS, JavaScript, TypeScriptCoding Expertise
Cross Browser & Device Compatibility, Performance Optimization, SecurityWhat's included $20
These options are included with the project scope.
$20
- Delivery Time 2 days
- Number of Revisions 1
- Number of Pages 1
Frequently asked questions
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Tamara L.
Jun 15, 2026
You will get review your Stripe payment flow and integration setup
Yuliia and her experts helped witg stripe-related fixes, and other full stack updates.
They picked up tasks quickly, met the agreed deadlines, and kept communication clear, friendly, and professional throughout the project.
They picked up tasks quickly, met the agreed deadlines, and kept communication clear, friendly, and professional throughout the project.
HV
Heorhii V.
Jun 12, 2026
Full Stack React Node js developer
great job again! realy accountable person!👍
ID
Ivan D.
Jun 12, 2026
You will get Mobile App Flow Review
Yulia and her team did great work on creating build and release process for our enterprise-level React Native mobile app. Yulia's team is focused on the result and delivers the highest quality.
HV
Heorhii V.
Jun 10, 2026
React developer to ad-hock tasks
The job was great as before! met the deadlines and had perfect execution
VK
Victoria K.
Jun 9, 2026
You will get React Native UI Issue fix
Good job. Immediately started and helped in the quick fixing of the tricky bug in my app.
About Yuliia
React Developer | Full Stack Developer | React Native | Mobile
93%
Job Success
Zaporizhzhia, Ukraine - 7:34 am local time
I help companies hire in-house, CTO-approved engineers for React, Next.js, React Native, full-stack, mobile, and AI-powered product development.
✅ 7+ years of commercial software development experience
✅ 55+ web and mobile projects delivered
✅ 75% repeat clients
✅ 24 hours or less matching
✅ 2-week trial period
✅ Products supported by our team include platforms with 5M+ daily users
✅ from idea to prototype in two weeks
✅ In-house only team: no freelancers, no ghosting
✅ QA, PM, code review, and CTO oversight available
✅ Weekly reports, demos, and transparent delivery
My tream is a right fit if you need a react developer, full stack developer, web developer, react native developer, python developer, nextjs developer, mobile app developer, android developer, flutter developer, mern developer, or scala developer who can join your team quickly and deliver production-ready results.
🚀 React / Next.js / Full-Stack Development with React and Node
Specialized in React and Next.js development with a strong focus on SaaS platforms, marketplaces, dashboards, admin panels, AI products, and scalable web applications.
Strong experience in full-stack development with React, Next.js, Node.js, TypeScript, PostgreSQL, Supabase, Firebase, MongoDB, REST API, GraphQL, Stripe, OAuth, authentication flows, and third-party API integrations.
I help clients build MVPs from scratch, take over existing products, improve legacy codebases, fix performance issues, integrate APIs, and prepare products for production launch.
📱 React Native / Mobile App Development
Specialized in React Native and Expo development with a strong focus on iOS and Android apps, mobile MVPs, mobile app maintenance, app takeover, bug fixing, push notifications, App Store / Google Play releases, payment integrations, and backend/API integrations.
Our core mobile stack is React Native, but we can also support mixed environments where a flutter developer or android developer needs to work closely with backend, AI, or web teams.
🤖 AI SaaS / AI App Development / AI Agent Development
Strong experience in AI Development, AI App Development, AI Agent Development, AI Chatbot, Chatbot Development, Generative AI, OpenAI API, Claude API, LLM Prompt Engineering, Natural Language Processing, AI Model Integration, AI Platform, Automation, Data Analysis, Web Scraping, and AI workflow validation.
We help companies launch AI MVPs faster, integrate intelligent workflows into existing products, build internal copilots, automate manual operations, and connect AI features with real product infrastructure.
🧩 What We Can Build
✅ AI MVPs and AI SaaS platforms
✅ AI Chatbot and Chatbot Development
✅ AI Agent Development for business workflow Automation
✅ React / Next.js web applications
✅ React Native mobile apps for iOS and Android
✅ SaaS platforms, dashboards, admin panels, and CRMs
✅ Marketplaces and e-commerce products
✅ FinTech, HealthTech, Logistics, PropTech, TravelTech, EdTech, Gaming, and MarTech products
✅ API integrations, payments, auth, subscriptions, and user roles
✅ Real-time data apps with WebSockets, maps, chat, and streaming
✅ Performance optimization for Core Web Vitals and Lighthouse
⚙️ Tech Stack
React developer, React web development, React.js, React, Next.js, nextjs, Node.js, TypeScript, JavaScript, JavaScript ES6+, Tailwind CSS, shadcn/ui, Material UI, Redux, Redux Toolkit, React Query, Supabase, SQL, drizzle, Firebase, pocketbase, Prisma, PostgreSQL, MongoDB, API Integration, API, REST API, GraphQL, Vercel, AWS, Docker, SaaS Development, Agile, Git, WebSockets, Storybook, Jest, Cypress.
Mobile app developer, react native developer, React Native, Expo, iOS Development, Android Development, android developer, flutter developer, Mobile App Development, Cross-platform App Development, Firebase, Supabase, Push Notifications, App Store, Google Play, REST API, WebSockets, Stripe, mobile app maintenance, mobile app improvement, mobile bug fixing.
AI skills, AI Development, AI Chatbot, AI Agent Development, AI App Development, AI Model Integration, AI Model Development, AI Platform, Chatbot, Chatbot Development, Generative AI, OpenAI API, Claude API, LLM Prompt Engineering, Natural Language Processing, Automation, Python, Data Science, Data Analysis, Web Scraping, Multimodal Large Language Model.
We also have experience with wordpress, vue, angular, flutter, laravel, mern, scala developer, and mixed-stack product environments.
📌 Process
✅ AI-first discovery and technical planning
✅ 2-week trial period
✅ Weekly reports and demos
✅ Daily syncs when needed
✅ Pixel-perfect Figma → React / Next.js conversion
✅ Secure OpenAI API and third-party API Integration
✅ Code reviews, automated tests, QA support, and scalable architecture
Steps for completing your project
After purchasing the project, send requirements so Yuliia can start the project.
Delivery time starts when Yuliia receives requirements from you.
Yuliia works on your project following the steps below.
Revisions may occur after the delivery date.
My expert will review the provided code or selected app flow.
We will check the most important risks: structure, bugs, performance, security, and maintainability.
We will prepare a short report with key issues and recommendations.
You’ll receive a short report showing the key issues, what they may affect, and what should be fixed first.