You will get Web/Mobile App Bug Fixes & Feature Additions (React, Node, Flutter)
Project details
Got a bug or feature request for your web or mobile app? I’ll fix issues or add features in your existing React, Node, or Flutter app—fast, clean, and without breaking your system.
Common tasks I handle:
✔ Fix layout glitches, crashes, or slow loading
✔ Add new components/pages (e.g. dashboard, form)
✔ Improve API/data flow or backend logic
✔ Upgrade libraries or patch deprecated functions
✔ Resolve auth or integration bugs
Perfect for teams who need fast help from a reliable developer without a full rebuild.
🛠️ Let’s fix and improve your app—select a package and share your code!
Common tasks I handle:
✔ Fix layout glitches, crashes, or slow loading
✔ Add new components/pages (e.g. dashboard, form)
✔ Improve API/data flow or backend logic
✔ Upgrade libraries or patch deprecated functions
✔ Resolve auth or integration bugs
Perfect for teams who need fast help from a reliable developer without a full rebuild.
🛠️ Let’s fix and improve your app—select a package and share your code!
Programming Languages
PHP, JavaScript, TypeScriptCoding Expertise
Cross Browser & Device Compatibility, PSD to HTML, Performance OptimizationWhat's included
| Service Tiers |
Starter
$150
|
Standard
$300
|
Advanced
$600
|
|---|---|---|---|
| Delivery Time | 2 days | 5 days | 7 days |
Number of Revisions | 1 | 2 | Unlimited |
Bug Investigation | - | - | - |
Fix Documentation | - | - | - |
Detailed Code Comments | - | - | - |
Optional add-ons
You can add these on the next page.
Bug Investigation
(+ 2 Days)
+$100
41 reviews
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RB
Robina B.
Dec 10, 2025
React/Node Full-Stack fix bug
Good experience overall. She & her team quickly identified and fixed the issues and kept communication clear throughout. Would work together again.
MS
Muhammad S.
Nov 4, 2025
AI Plush Generator Web App MVP
Saima was great to work with on our AI Plush Generator project. She brought strong technical skills in both AI and web development, communicated clearly, and delivered everything on time. Would definitely work with her again!
AZ
Angela Z.
Aug 20, 2025
React/Next.js Developer Needed to Fix UI & Formatting Issues in Dashboard
Saima is amazing to work with! Her team quickly fixed all the UI and formatting issues in my site. Highly recommended!
RW
Rachel W.
Jul 21, 2025
MERN Stack Developer Needed to Fix OTP Module
Worked with Saima was a smooth and professional experience. Quick, knowledgeable, and gets the job done right — highly recommend!
DK
Donald K.
Jul 10, 2025
Next.js Developer Needed for Website Redesign
Saima did an excellent job redesigning our site. She combined great design sense with strong technical skills, delivering a clean, fast, and responsive website. Highly recommend!
About Syeda Saima
Full-Stack Developer | React,Next.js, Node.js | SaaS & MVP Development
100%
Job Success
Lahore, Pakistan - 2:37 am local time
Hi, I’m 𝗦𝗮𝗶𝗺𝗮 𝗕𝘂𝗸𝗵𝗮𝗿𝗶, a Full-Stack Developer specializing in React, Next.js, Node.js, and React Native. I build fast, scalable, and production-ready web and mobile applications with clean architecture, smooth user experiences, and reliable backend systems.
𝐖𝐡𝐞𝐭𝐡𝐞𝐫 𝐲𝐨𝐮 𝐧𝐞𝐞𝐝:
• A complete SaaS platform
• MVP development for a startup
• A custom web application
• A mobile app
• API integrations
• Dashboard/Admin panel development
• Performance optimization
• Full product development from idea to deployment
I understand that hiring the right developer on Upwork is important. That’s why I prioritize clear communication, transparency, and long-term reliability throughout the entire development process.
I also offer a free consultation to understand your project requirements and help you choose the best technical approach before getting started.
𝐖𝐡𝐚𝐭 𝐘𝐨𝐮 𝐂𝐚𝐧 𝐄𝐱𝐩𝐞𝐜𝐭
✔ Clear communication & regular updates
✔ Clean, maintainable, scalable code
✔ Fully custom development solutions
✔ On-time delivery
✔ Responsive and modern UI/UX
✔ Reliable post-launch support
✔ Professional collaboration from start to finish
𝐓𝐞𝐜𝐡𝐧𝐢𝐜𝐚𝐥 𝐒𝐤𝐢𝐥𝐥𝐬
✅ 𝗙𝗿𝗼𝗻𝘁𝗲𝗻𝗱 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗺𝗲𝗻𝘁: React.js, Next.js, TypeScript, JavaScript
✅ 𝗕𝗮𝗰𝗸𝗲𝗻𝗱 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗺𝗲𝗻𝘁: Node.js, Nest.js, Laravel
✅ 𝗠𝗼𝗯𝗶𝗹𝗲 𝗔𝗽𝗽 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗺𝗲𝗻𝘁: React Native, Expo
✅ 𝗗𝗮𝘁𝗮𝗯𝗮𝘀𝗲𝘀: PostgreSQL, MongoDB, MySQL, Firebase / Firestore, Supabase
✅ 𝗖𝗹𝗼𝘂𝗱 & 𝗧𝗼𝗼𝗹𝘀: AWS, Azure, Git & GitHub
Have an idea, MVP, or existing application you want to build or improve?
Send me a message and let’s discuss how we can turn your vision into a scalable, high-quality product.
Steps for completing your project
After purchasing the project, send requirements so Syeda Saima can start the project.
Delivery time starts when Syeda Saima receives requirements from you.
Syeda Saima works on your project following the steps below.
Revisions may occur after the delivery date.
Bug/feature scope review
You’ll share repo access or describe the issue/feature. I’ll confirm feasibility.
Code analysis & plan
I review your setup, outline the fix, and schedule the work.