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Fiverr Pro
English
$
USD
I will fix bugs and optimize web apps laravel react nodejs net PHP
Owais Shah
About this gig
Is your application broken, slow, or throwing errors?
With 8+ years of debugging experience across multiple stacks and clients worldwide, I deliver fast, clean, and permanent solutions not temporary patches.
Why Choose Me
- 8+ years of professional debugging experience
- International client portfolio with proven results
- Expertise across all major stacks & frameworks
- Permanent fixes, not quick workarounds
- Fast turnaround & clear communication
- Longterm support available after delivery
What I Fix
- PHP, Laravel & WordPress bugs and errors
- React.js & Node.js application issues
- Python scripts & API bugs
- C# & .NET application problems
- Database query errors & optimization
- Server & deployment errors (Linux, Nginx, Apache)
- Performance bottlenecks & slow loading times
- Security vulnerabilities & exploits
- API integration failures
- Common errors (500, 404, CORS, authentication)
My Tech Stack
- Backend: PHP, Laravel, Node.js, Python, C#
- Frontend: React.js, JavaScript, HTML, CSS
- Database: MySQL, PostgreSQL, MongoDB
- Server: Linux, Nginx, Apache
- Tools: Git, Debuggers, Chrome DevTools
Perfect For
- Applications throwing 500 or 404 errors
- Slowloading websites and apps
- Businesses needing reliable bug fixes and
Respect third-party rights
Please be aware that it is against Fiverr's policies for sellers to include themes, templates, or any other elements that infringe third-party rights or applicable laws in the delivered work. Read more about in our Guide to Responsible Digital Creation.
Get to know Owais Shah
Owais Shah
Expert Full Stack Developer Laravel React Nodejs NET Web Mobile Apps
- FromPakistan
- Member sinceJul 2018
- Avg. response time1 hour
Languages
English, Hindi
💻 Expert Full Stack Developer with 11+ years experience
⚡ Laravel, React, Nodejs, .NET, PHP, C#, MongoDB, SQL, DB2
📱 Fast, secure, scalable web & mobile app development
🛒 Specialized in e‑commerce, SaaS, fintech, AI dashboards
🔐 IBM‑Certified Cybersecurity Expert
📖 Published AI Research in European Journal
🎓 UK Level 7 Postgraduate Diploma & BS Computer Science From NED
📊 Coursera Business Analyst Certified
🎨 Clean code, responsive UI/UX, logo & illustration design
🤝 Unlimited revisions, 100% satisfaction, 30‑day free support
FAQ
Q1: What technologies do you specialize in?
I work with Laravel, React.js, Node.js, PHP, .NET, Python, and WordPress, covering both frontend and backend stacks.
Q2: Can you fix bugs in existing projects?
Yes, I can debug and optimize your current application without needing a full rebuild.
Q3: Do you provide permanent solutions?
Absolutely — I deliver clean, long‑term fixes, not temporary patches.
Q4: Will my application run faster after optimization?
Yes, I focus on performance tuning, database optimization, and code refactoring to improve speed.
Q5: Do you include source code and documentation?
Yes, detailed comments and documentation are provided in Standard and Premium packages.
Q6: Can you handle server‑side errors?
Yes, I fix deployment issues, Linux/Nginx/Apache errors, and server configuration problems.
Q7: Do you offer security fixes?
Yes, I patch security vulnerabilities, exploits, and authentication errors to keep your app safe.
Q8: How quickly can you deliver bug fixes?
Delivery depends on package size, but extra fast delivery is available as a gig extra.
Q9: Do you provide revisions?
Yes, revisions are included to ensure the final solution meets your expectations.
Q10: Can you support multiple frameworks in one project?
Yes, I can debug and optimize multi‑stack applications that combine Laravel, React, Node.js, PHP, or .NET.
