You will get MERN Stack Development (MongoDB, Express.js, React, Node.js).
Project details
You will get a full-stack MERN application built with MongoDB, Express.js, React, and Node.js, designed to scale from MVP to millions of users. At Koitechs, we specialize in creating modern SaaS platforms, marketplaces, and enterprise systems using the MERN stack — trusted by startups and enterprises worldwide.
Our in-house engineers deliver high-performance web apps with responsive UIs, scalable APIs, and secure databases. We combine React.js for fast, dynamic frontends with Node.js + Express.js for reliable backends and MongoDB for flexible, scalable data storage. We also integrate RESTful APIs, GraphQL, authentication systems, payment gateways (Stripe, PayPal), real-time features (WebSockets, Socket.io), and CI/CD pipelines.
We’ve helped startups launch MVPs in under 6 weeks and supported marketplaces and SaaS platforms that scaled to 1M+ users. Our solutions improved client conversions by 25–40%, streamlined operations, and enabled fundraising success.
🛠 Stack & Skills: MERN (MongoDB, Express.js, React, Node.js), TypeScript, Redux, Tailwind CSS, PostgreSQL, Firebase, Supabase, AWS, Docker, Vercel, Git, Agile, DevOps.
Our in-house engineers deliver high-performance web apps with responsive UIs, scalable APIs, and secure databases. We combine React.js for fast, dynamic frontends with Node.js + Express.js for reliable backends and MongoDB for flexible, scalable data storage. We also integrate RESTful APIs, GraphQL, authentication systems, payment gateways (Stripe, PayPal), real-time features (WebSockets, Socket.io), and CI/CD pipelines.
We’ve helped startups launch MVPs in under 6 weeks and supported marketplaces and SaaS platforms that scaled to 1M+ users. Our solutions improved client conversions by 25–40%, streamlined operations, and enabled fundraising success.
🛠 Stack & Skills: MERN (MongoDB, Express.js, React, Node.js), TypeScript, Redux, Tailwind CSS, PostgreSQL, Firebase, Supabase, AWS, Docker, Vercel, Git, Agile, DevOps.
Programming Languages
HTML & CSS, JavaScript, TypeScriptCoding Expertise
Localization, Performance Optimization, SecurityWhat's included $5,000
These options are included with the project scope.
$5,000
- Delivery Time 2 days
- Number of Revisions 9
- Number of Pages 9
About Mariia
React Developer | frontend react | React Native App Developer l AM
Zaporizhzhia, Ukraine - 5:45 am local time
I'm Maria co-founder Koitechs — I can help provide in-house React developer and full stack React developer (React.js, Next.js, Node.js) who join your team seamlessly.
Our react developer experience covers SaaS, Gaming, Logistics, FinTech, E-commerce, Healthcare, PropTech, EdTech, MarTech, and Marketplaces. We help clients launch MVPs 3× faster and scale platforms to millions of users. Our engineers are not freelancers — every web developer is an in-house, CTO-approved specialist. Depending on your project needs, we can provide senior react native and full stack developer in React.js, Next.js, Node.js, as well as frontend frameworks like Vue and Angular. For content-driven platforms, we also deliver high-quality WordPress development integrated into your main product stack.
🛠 Skills & Tech
React web development / React.js, Next.js, Node.js, TypeScript, JavaScript (ES6+), Redux / Redux Toolkit, Tailwind CSS, CSS3, HTML5, API Integrations, REST API, GraphQL, Supabase, Prisma, PostgreSQL, MongoDB, Firebase, Vercel, AWS, Docker, SaaS Development, Agile, Git, WebSockets, Storybook, Testing (Jest, Cypress).
📌 Processes
Agile / Scrum with daily standups
CI/CD pipelines and Git Flow
Pixel-perfect Figma → React / Next.js conversion
Code reviews, automated tests, and scalable architecture
Modular feature rollout with API-first design
⚡ What We Build
Interactive dashboards (analytics, logistics, BI SaaS)
Real-time data apps (WebSockets, maps, chat, streaming)
E-commerce flows (Stripe, Twilio, checkout, subscriptions)
Authentication & multi-role authorization
Custom admin panels, CMS, CRMs
Pixel-perfect UI with Tailwind / Material UI
Performance optimization (Core Web Vitals, Lighthouse)
📊 Our Results
99.5% delivery accuracy across 4 continents
5M+ daily users handled with 60% faster load times
$100M+ monthly transactions processed with 99.99% uptime
500K+ monthly active users across gaming platforms
40% cost reduction in delivery operations
22% conversion rate increase for e-commerce clients
85% automation of operational processes
35% efficiency boost in business analytics
📈 Why Koitechs
In-house only: no freelancers, no ghosting
75% repeat clients, 100% Upwork Job Success
From 1 react native developer to a full stack team with QA & PM
48-hour matching + 2-week trial period
Transparent communication, daily syncs, and predictable delivery
Whether you need a single python developer, a react js developer to boost performance, a react native mobile app developer for cross-platform solutions, a Node.js backend specialist, or a cross-stack team mixing Vue, Angular, and WordPress — koitechs can match you with the right talent within 48 hours.
Ready to meet a brilliant service and top-notch React developer and forget about hiring drama? Click "Invite" and meet your front end expert today!
Steps for completing your project
After purchasing the project, send requirements so Mariia can start the project.
Delivery time starts when Mariia receives requirements from you.
Mariia works on your project following the steps below.
Revisions may occur after the delivery date.
kick off call