You will get a professional UI bug fix or responsive design update in React/Next.js
Project details
As a specialized React and Next.js developer, I help business owners and startups resolve critical UI bugs and responsiveness issues that drive customers away. Whether your layout is broken on mobile devices or your React components aren't rendering as expected, I provide clean, scalable code solutions.
What I Can Do For You:
Expert Responsive Fixes: I ensure your application looks perfect across all screen sizes—mobile, tablet, and desktop.
UI/UX Bug Hunting: I fix broken navigation, misaligned elements, and interactive components that won't fire.
Performance & Next.js Optimization: Troubleshooting hydration errors, routing issues, or SEO bottlenecks.
Why Choose Me?
Full-Stack Perspective: With experience building complex SaaS platforms like RDV-MAROC, I understand how your frontend interacts with your backend and APIs.
Clean Code Specialist: I follow industry best practices to ensure my fixes don't introduce new bugs later.
Fast Delivery: I value your time and aim to resolve critical UI issues within 24-48 hours.
Let's get your application back to 100% functionality. Choose a tier to get started!
What I Can Do For You:
Expert Responsive Fixes: I ensure your application looks perfect across all screen sizes—mobile, tablet, and desktop.
UI/UX Bug Hunting: I fix broken navigation, misaligned elements, and interactive components that won't fire.
Performance & Next.js Optimization: Troubleshooting hydration errors, routing issues, or SEO bottlenecks.
Why Choose Me?
Full-Stack Perspective: With experience building complex SaaS platforms like RDV-MAROC, I understand how your frontend interacts with your backend and APIs.
Clean Code Specialist: I follow industry best practices to ensure my fixes don't introduce new bugs later.
Fast Delivery: I value your time and aim to resolve critical UI issues within 24-48 hours.
Let's get your application back to 100% functionality. Choose a tier to get started!
Programming Languages
HTML & CSS, JavaScript, TypeScriptCoding Expertise
Cross Browser & Device Compatibility, Performance Optimization, SecurityWhat's included
| Service Tiers |
Starter
$30
|
Standard
$80
|
Advanced
$200
|
|---|---|---|---|
| Delivery Time | 1 day | 2 days | 4 days |
Number of Revisions | 1 | 2 | Unlimited |
Bug Investigation | |||
Fix Documentation | - | ||
Detailed Code Comments | - |
Frequently asked questions
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AK
Alex K.
Jun 6, 2026
Senior Next.js Developer — AI SaaS Rebuild (Long-Term)
FF
Fatima F.
Apr 9, 2026
Fintech Mobile App Landing Developer Next.js/React.js
Outstanding experience. Zakaria is an expert in both contemporary frontend stacks and motion design. They found subtle UI/UX details that significantly affected the finished product. Reliable, professional, and highly skilled in Next.js and GSAP. 5/5 stars!
AC
Ayman C.
Feb 25, 2026
Front-End Developer - Hall Management System
Zakaria is an outstanding developer. He built a custom Hall Management System for us using Next.js and React that is both fast and incredibly easy to use. Throughout the project, he provided regular screenshots and updates, making the collaboration seamless. He didn't just write code; he helped us solve our booking challenges. If you are looking for a professional who delivers high-quality frontend work on time, Zakaria is your guy!
About Zakaria
Next.js & React Developer | SaaS - Landing Pages Pixel-Perfect Figma
100%
Job Success
Casablanca, Morocco - 10:25 am local time
10+ projects completed in fintech, healthcare, and SaaS. Performance is built in from day one. Frontend execution is pixel-perfect, with every spacing, font, and color landing exactly in the browser.
1 client. 1 month. A fully working hall management system that they still use today.
I build React and Next.js interfaces that match your vision exactly and perform well on every device. Not close. Not "good enough." Exactly.
I've shipped fintech platforms, healthcare SaaS, booking systems, AI-powered apps, and landing pages—and I treat every project like it has my name on it. Because it does.
⭐ "Zakaria is an outstanding developer. He built a custom hall management system for us using Next.js and React that is both fast and incredibly easy to use. He didn't just write code; he helped us solve our booking challenges. If you are looking for a professional who delivers high-quality frontend work on time, Zakaria is your guy!"
What you get
Performance built in from day one
Projects consistently score 90–100 on Lighthouse for performance, accessibility, and SEO.
Premium-feeling animations
Smooth interactions with Framer Motion and GSAP — polished without hurting performance.
AI integrations that ship to production
OpenAI, Claude, and LLM features integrated into real-world products, not just prototypes.
Clean, maintainable code
Reusable components, organized architecture, and developer-friendly handoff.
Clear communication throughout the project
Asking the right questions early keeps the process smooth and avoids surprises later.
What I build
• SaaS dashboards & web applications
• AI-powered apps & LLM integrations (OpenAI, Claude, Gemini)
• Landing pages & marketing websites
• Figma to production
• Booking & management systems
• Authentication & payment integration (Stripe, Clerk, NextAuth)
• Performance optimization & page speed
No design yet?
Tell me what you're building, who it's for, and the experience you want users to have.
I can help shape the direction before we write a single line of code.
Send me a message — I usually reply within a few hours.
[ Stack ]
React · Next.js · TypeScript · Tailwind CSS · Framer Motion · GSAP · ShadCN UI · Node.js · OpenAI API · Claude API · REST APIs · GraphQL · Stripe · Clerk · NextAuth · MySQL · PHP · Git · Vercel
[Keywords]
React Developer · Next.js Developer · Frontend Developer · TypeScript Developer · SaaS Developer · AI Developer · LLM Integration · Figma to React · Dashboard Developer · Landing Page Developer
Steps for completing your project
After purchasing the project, send requirements so Zakaria can start the project.
Delivery time starts when Zakaria receives requirements from you.
Zakaria works on your project following the steps below.
Revisions may occur after the delivery date.
Initial Code Audit & Reproduction
I will review your codebase to identify the root cause of the UI bug or responsiveness issue and reproduce it in my local environment.
Implementation & Responsive Fix
I will write the necessary React/Next.js code or Tailwind CSS fixes to resolve the issue while ensuring no new bugs are introduced.