You will get review your Stripe payment flow and integration setup
Top Rated
Project details
You will get a focused review of your Stripe payment flow, checkout setup, or payment integration logic.
A backend expert from my team will review the materials you provide and prepare a short written report with the most important risks, possible issues, and recommended next steps.
This is not a full Stripe implementation or payment system rebuild. It is a quick expert review designed to help you understand whether your payment flow is working correctly, safely, and ready for real users.
The review can cover Stripe Checkout, payment status handling, success and cancel URLs, webhook setup, subscription logic, failed payments, test/live mode setup, API usage, security concerns, and frontend/backend payment flow.
This package is a good fit if your Stripe integration already exists, but you want a fresh technical eye before launch, before accepting real payments, or before adding more payment-related features.
A backend expert from my team will review the materials you provide and prepare a short written report with the most important risks, possible issues, and recommended next steps.
This is not a full Stripe implementation or payment system rebuild. It is a quick expert review designed to help you understand whether your payment flow is working correctly, safely, and ready for real users.
The review can cover Stripe Checkout, payment status handling, success and cancel URLs, webhook setup, subscription logic, failed payments, test/live mode setup, API usage, security concerns, and frontend/backend payment flow.
This package is a good fit if your Stripe integration already exists, but you want a fresh technical eye before launch, before accepting real payments, or before adding more payment-related features.
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 1 day
- Number of Revisions 0
Frequently asked questions
33 reviews
(31)
(0)
(1)
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(1)
TL
Tamara L.
Jun 15, 2026
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.
TN
Taras N.
Jun 27, 2026
Senior Full-Stack Developer - React, Node.js SaaS Performance Check
YA
Yulia A.
Jun 25, 2026
Website Performance Review
Koitechs team did a solid code review and really helped me stabilize the project. Quick turnaround, no unnecessary back-and-forth. Would definitely recommend and reach out again.
TL
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.
About Yuliia
Front End Developer React | Full Stack Developer React Node | AM
92%
Job Success
Zaporizhzhia, Ukraine - 10:58 am local time
I help companies hire in-house, CTO-approved engineers who join fast, take ownership, and deliver production-ready software.
✅ 9+ years in software development
✅ 155+ web and mobile projects delivered
✅ 20,500+ Upwork hours in React / Next.js / Node.js / React Native
✅ 75% repeat clients
✅ Engineer matching in 24 hours or less
✅ 2-week trial period
✅ 35+ in-house engineers
✅ 40+ MVPs released
✅ Products supported by our team include platforms with 5M+ daily users
🚀 React / Next.js / Full Stack
We build SaaS platforms, marketplaces, dashboards, admin panels, CRMs, AI products, and scalable web apps using React, Next.js, Node.js, TypeScript, Supabase, PostgreSQL, Firebase, MongoDB, REST API, GraphQL, Stripe, OAuth, WebSockets, AWS, Vercel, and Docker.
Our team is a strong fit if you need a react developer , web developer , full stack developer , nextjs developer, mern developer, or backend engineer.
We help with MVP development, legacy code takeover, architecture modernization, Core Web Vitals, API integrations, payments, auth, subscriptions, user roles, and production launch.
📱 React Native / Mobile
We build and support iOS and Android apps using React Native, Expo, Firebase, Supabase, Node.js, and API-driven architecture.
We can help if you need a react native developer , mobile app developer, iOS / Android support, app takeover, mobile maintenance, push notifications, App Store / Google Play releases, payments, or backend integrations.
We also support mixed mobile environments with flutter developer , android developer , backend developer, AI developer, or web developer.
🤖 AI SaaS / AI App Development
We build AI-powered products connected to real business workflows.
Experience: AI SaaS, AI MVPs, AI chatbot development, AI agent development, OpenAI API, Claude API, LLM prompt engineering, RAG, automation, web scraping, AI model integration, copilots, and AI workflow validation.
AI stack: OpenAI API, Claude API, LLMs, RAG, AI Agent Development, AI Chatbot, Generative AI, Python, FastAPI, Supabase, PostgreSQL, pgvector, automation, data analysis, web scraping.
🧩 Mixed-Stack Support
Our core focus is React, Next.js, Node.js, React Native, TypeScript, Supabase, and AI. We also support products involving wordpress , vue , angular , python developer , scala developer , flutter developer , android developer , mern , and other web/mobile technologies.
🏆 Industries
📦 Logistics - 5+ projects: tracking, shipment dashboards, carrier/shipper workflows, maps, route visibility.
🏥 HealthTech -4+ projects: medical booking, clinic platforms, patient flows, admin systems.
🛒 Marketplaces & E-commerce - 15+ projects: multi-vendor products, Stripe, subscriptions, bidding, complex search.
🏠 PropTech / Real Estate -5+ projects: listings, booking flows, agent dashboards, rental platforms.
🤖 AI Startups - 25+ AI products/features: AI SaaS, chatbots, agents, copilots, OpenAI / Claude integrations.
💰 FinTech - 3+ projects: Stripe Connect, billing, payment flows, invoicing.
🎮 Gaming - 5+ projects, including 2 major global gaming brands: dashboards, analytics, real-time interactions.
📚 EdTech - 5+ projects: student dashboards, progress tracking, content platforms.
📣 MarTech - 1 global market-leading project: dashboards, analytics, segmentation, workflows.
⚽ SportsTech - 10+ projects: live data, dashboards, events, rankings, stats, mobile apps.
📌 How We Work
1️⃣ Discovery & technical planning
2️⃣ Engineer matching within 24h
3️⃣ 2-week trial period
4️⃣ Weekly demos and reports
5️⃣ CTO-approved delivery with code review and QA
6️⃣ Long-term support after launch
🚀 Building a SaaS, MVP, marketplace, React app, Next.js platform, React Native app, AI product, or mixed-stack web/mobile platform?
Click “Invite” or “Hire” - I’ll help you clear the estimate or discovery phase within 24 hours or less.
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.
expert reviews your Stripe payment flow, setup, and provided materials.
We check checkout logic, payment status handling, webhooks, risks.