You will get a production-ready Next.js refactor and performance optimization ⭐⭐⭐⭐⭐

5.0

Let a pro handle the details

Buy Web Application Programming services from Vladyslav, priced and ready to go.
5.0

Let a pro handle the details

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

Project details

🚀 I will review, clean up, and refactor your existing React or Next.js frontend to production-grade quality.

This service is ideal if your application already works but suffers from 🧩 messy code, ❌ poor structure, ⚡ performance issues, or 🐞 bugs introduced during junior-level development.

I focus on ✅ correctness, 🧱 maintainability, and 🚀 performance — not redesigns or unnecessary rewrites. Your UI and features stay exactly the same, while the codebase becomes clean, stable, and easy to scale.

✨ You’ll get a frontend that’s easier to maintain, faster to iterate on, and ready for real users, real traffic, and future growth.
Programming Languages
HTML & CSS, JavaScript, TypeScript
Coding Expertise
Cross Browser & Device Compatibility, PSD to HTML, Performance Optimization
What's included
Service Tiers Starter
$50
Standard
$100
Advanced
$200
Delivery Time 1 day 2 days 3 days
Number of Revisions
35Unlimited
Number of Pages
2820
Design Customization
Content Upload
Responsive Design
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Source Code
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5.0
1 review
100% Complete
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FD

Fernando D.
5.00
Aug 19, 2026
WordPress Full Stack Developer needed for ongoing projects
Vladyslav R.Status: Offline

About Vladyslav

Vladyslav R.Status: Offline
Senior Software Engineer | Next.js, FastAPI, Supabase, AI
5.0  (1 review)
Madrid, Spain - 8:22 pm local time
👋 Senior Software Engineer with 5+ years of experience designing, modernising, and operating distributed backend systems, cloud platforms, and event-driven services. Recently specialised in Next.js, FastAPI, Supabase, and AWS, supported by a strong background in Java, Spring Boot, Kubernetes, PostgreSQL, Kafka, and cloud-native engineering.

Contributed to production platforms processing millions of monthly API requests and more than one million daily events. Delivered measurable improvements in system performance, deployment frequency, scalability, operational resilience, observability, and cloud infrastructure efficiency. 🔥

Experienced in system design, API lifecycle management, asynchronous processing, microservices, production incident resolution, architecture decision records, service-level objectives, security controls, technical reviews, Agile delivery, and collaboration with international engineering, QA, DevOps, security, and product teams. 👍

Steps for completing your project

After purchasing the project, send requirements so Vladyslav can start the project.

Delivery time starts when Vladyslav receives requirements from you.

Vladyslav works on your project following the steps below.

Revisions may occur after the delivery date.

Codebase review and technical audit

I review the existing codebase, identify structural issues, unused code, performance bottlenecks, and prioritize fixes

Cleanup and refactor

Remove dead code, fix file structure, refactor components, improve state handling, and make the code clean and maintainable.

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