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Fiverr Pro
English
$
USD
I will fix react bugs add custom features and connect rest apis
Waqas R.
About this gig
Is your website broken, slow, or throwing errors? Need an expert to fix bugs, connect an external API, or add an urgent feature fast? A broken script or failing database query costs you customers every minute it stays online.
I am an IBM-Certified Software Engineer with 5+ years of experience debugging web architectures, repairing REST APIs, and optimizing database queries.
What you will get:
- Fast frontend bug fixing for React, Next.js, JavaScript, and CSS layout issues
- Backend troubleshooting for Node.js, Express, server crashes, and CORS errors
- Third-party API integration for Stripe, PayPal, OpenAI, Twilio, and Supabase
- Database query optimization and schema repairs in PostgreSQL and MongoDB
- Performance tuning to reduce loading times and eliminate memory leaks
Special Offer: Send me your error logs or repo link for a free 10-minute root-cause diagnostic report before you order!
My process: I diagnose the root cause, write a clean tested code patch, verify cross-browser stability, and push via Git.
Send me your bug details now to get your free diagnostic report!
Get to know Waqas R.
Waqas R.
Full Stack Software Engineer and Custom SaaS Architect
- FromPakistan
- Member sinceDec 2021
- Avg. response time1 hour
- Last delivery2 years
Languages
Urdu, English
Hi, I'm Waqas — a Full-Stack Software Engineer with a BS in Software Engineering & 5+ years of experience building scalable web applications and SaaS products.
I specialize in modern web architectures: React.js, Node.js, Express, Supabase, PostgreSQL, MongoDB, and Docker. Having built and deployed live production platforms like ShiftPOS and ALS Library Suite, I deliver clean code, secure APIs, and responsive UIs.
Certified IBM Full-Stack Developer & Vanderbilt Prompt Engineer. Let’s turn your vision into a robust digital product!
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FAQ
How does the free 10-minute diagnostic report work?
Send me your error message or repo link. I will inspect the logs, identify the exact root cause, and tell you what needs fixing before you place an order.
How quickly can you fix my urgent bug?
For emergency fixes, I offer express 24-hour turnaround under my Basic package. Message me to start immediately.
How do I share my project code with you securely?
You can invite me to your private GitHub or GitLab repository, provide temporary server access, or send a zip archive.
Can you integrate payment gateways like Stripe or PayPal?
Yes. I integrate payment checkouts, webhook listeners, automated subscriptions, and digital invoicing workflows.
Will fixing this bug break other parts of my application?
No. I isolate every patch and perform regression tests on connected modules to preserve system stability.
Do you provide a summary of the changes made?
Yes. With every delivery, I include a clear summary explaining the root cause and how the fix was implemented.
