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You will get Nextjs developer support | React Nextjs | Next.js Developer | React Next.js

Serhii M.Status: Offline
Serhii M. Serhii M.
4.0
Preview image

Let a pro handle the details

Buy Web Application Programming services from Serhii, priced and ready to go.
Serhii M.Status: Offline
Serhii M. Serhii M.
4.0
Preview image

Let a pro handle the details

Buy Web Application Programming services from Serhii, priced and ready to go.

Project details

As a React developer, I help startups turn ideas into functional MVPs and long-term SaaS platforms. I am responsible for frontend optimization, backend logic, and database architecture. I also handle AI integrations and automation where they add real product value.



React Developer Frontend React Full Stack React Developer Full Stack Developer React Node front end developer react frontend developer react frontend react developer react js developer react web developer node developer web developer full stack developer react native developer mobile application developer node.js developer node js developer backend nodejs python developer full stack developer node js senior full stack developer ai ux designer vue angular svelte wordpress developer Stripe Supabase Postgres java react mern stack webflow next.js next js reactjs javascript react redux react.js
Programming Languages
JavaScript, Python, TypeScript
Coding Expertise
Cross Browser & Device Compatibility, Performance Optimization, Design

What's included $50

These options are included with the project scope.

$50
  • Delivery Time 15 days
  • Number of Revisions 0
4.0
1 review
1% Complete
(0)
100% Complete
(1)
1% Complete
(0)
1% Complete
(0)
1% Complete
(0)

FR

Frank R.
4.00
Feb 14, 2025
Developer Needed to Build Custom Underwriting Portal for Loan Applications
Serhii M.Status: Offline

About Serhii

Serhii M.Status: Offline
Fullstack Engineer | React | Node.js | Next.js | NestJS | Python | AI
4.0  (1 review)
Altena, Germany - 9:36 pm local time
🚀 Anyone can write code. Not everyone can engineer, deploy and maintain real production systems.

I help startups and businesses build SaaS platforms, MVPs, and scalable web applications using React, Next.js, Node.js, and Python.

Over the last 6+ years I've delivered 50+ projects including SaaS platforms, startup MVPs, and full stack web applications used by thousands of active users.

My focus is building production-ready systems - not just prototypes - that scale from MVP to real products handling hundreds of thousands of API requests.

As a React Developer, Next.js Developer, Full Stack Developer, and Python Developer, I build scalable SaaS MVPs, React dashboards, and full stack applications launching in 3–6 weeks, supporting 10K+ users and handling real production workloads.

React & Next.js Development

As a React Developer, React Web Developer, and Next.js Developer, I build modern React web applications, Next.js platforms, SaaS dashboards, and scalable frontend systems.
As a frontend react engineer, I leverage React.js, Next.js Tailwind, and TypeScript to create fluid SPAs and SSR applications. My next.js SEO configurations and next.js Vercel deployments ensure fast, indexable, production-ready frontends.

Across several React and Next.js platforms, I improved frontend performance significantly - reducing page load time by 50–70%, increasing Lighthouse scores to 90+, and reducing bundle sizes by 40%+. Multiple React applications I built use scalable component systems across 50+ pages, supporting thousands of daily users.

As a frontend developer and front end developer, I handle full Figma-to-React implementation - pixel-perfect, responsive, and accessible across all devices. Whether you need a frontend designer to translate a design into code, or a frontend engineer to architect a scalable component system - I deliver both.

My nextjs TypeScript setups and nextjs Tailwind component libraries help teams ship faster without sacrificing code quality.

Full Stack SaaS Development

As a Full Stack Developer and React Node Full Stack Developer, I design and build scalable SaaS platforms, startup MVPs, and production web applications combining React frontend architecture with Node.js and Python backend services.
As a fullstack developer and full stack web developer, I regularly build React SaaS platforms, admin dashboards, analytics tools, and internal systems processing thousands of daily events.

Several SaaS platforms I developed as a Full Stack Developer now support 10K–50K users, process 300K+ API requests monthly, and maintain 99.9% uptime.

My stack as a Full Stack Developer React Node includes React, Next.js, Node.js, NestJS, PostgreSQL, MongoDB, Redis, and TypeScript - helping teams reduce infrastructure overhead by 25–40%.

Backend & Node.js Development

As a Node.js Developer, backend developer, and JavaScript developer, I design backend systems powering SaaS platforms, MVP products, and modern web applications.
Several backend systems I developed process 300K–500K API requests monthly, maintain 99.9% uptime, and support high-traffic React and Next.js applications.

My Node.js developer experience includes building REST APIs, GraphQL services, WebSocket systems, and event-driven microservices. As a backend developer and node.js developer, I work with Node.js, NestJS, Express, PostgreSQL, MySQL, MongoDB, and Redis.
Database optimizations improved response time by 3–5x and reduced latency by 40–60%.

Python Development
As a Python Developer and Python Full Stack Developer, I build high-performance backend services, automation pipelines, and AI-powered systems using Python, FastAPI, and Django.
As a phyton developer (and yes - I know it's spelled Python 🙂), I regularly help clients who search for phyton, pyton developer, or python developer - I handle all of it.
My Python developer experience includes building data pipelines, REST APIs, AI integrations, web scraping systems, and automation tools. As a python full stack developer, I combine Python backends with React or Next.js frontends for complete end-to-end delivery.
Python data analysis, data science workflows, and data analyst tasks are part of my regular project scope - from pandas pipelines to dashboard integrations.

What I can help you with

⚛️ React web applications · React dashboards · Frontend React development
🔷 Next.js Developer tasks · Next.js Tailwind · Next.js SEO · Next.js Vercel
🧠 Full Stack SaaS platforms · MERN Stack · Full Stack Developer React Node
🐍 Python Developer · FastAPI · Django · Data Science · Automation
🔌 Node.js Developer · Backend Developer · REST API · GraphQL

If you need a React Developer, Next.js Developer, Full Stack Developer, Python Developer, or Node.js Developer - I'd love to help you build something great.

🚀 Click "Invite" or "Hire" and let's build your product.

Last update: 02.06.2026

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.

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Review the work, release payment, and leave feedback to Serhii.