I will fix bugs, enhance features, and optimize your web application


Vetted Pro
Vetted by Fiverr Pro
Barbara Bonilla was selected by the Fiverr Pro team for their expertise.
About this gig
I will fix bugs, enhance features, and optimize your web application to ensure it performs seamlessly and meets your needs. Whether it's debugging errors, improving functionality, or fine-tuning performance, I deliver solutions that elevate your application and enhance user experience.
Note from the Developer:
Please notice that this is a general offer. I understand that every issue is unique, and the specifics of your requirements may vary. Once you provide details about the problem or enhancements needed, I will carefully evaluate the nature and complexity of the task. Based on this evaluation, I will create a custom offer tailored to your specific needs, including an estimated timeline and price.
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 Barbara Bonilla
Vetted Pro
Barbara Bonilla is part of the Fiverr Pro catalog and has been hand-picked by a dedicated Fiverr Pro team for their skills and expertise.
Vetted for
Website Development
Website Maintenance
- FromUnited States
- Member sinceOct 2024
- Last delivery1 year
Languages
English, Spanish

CIBC FirstCaribbean
Banking
FAQ
What kind of issues or bugs can you fix?
I can handle a wide range of issues, including UI glitches, functionality errors, performance bottlenecks, responsiveness problems, and integration issues with APIs or plugins. If you're unsure about your specific problem, feel free to reach out and describe it, and I’ll let you know how I can help.
Can you optimize my website’s performance?
Yes! I specialize in performance optimization, including improving loading speeds, fixing slow queries, optimizing code, and ensuring the website runs smoothly across all devices.
What platforms or technologies do you work with?
I work with a variety of technologies, including TypeScript, JavaScript, React.js, HTML/CSS, and website builders like Squarespace, WordPress, and Wix. If you're using a platform or technology not listed here, feel free to ask, and I’ll confirm if I can assist!
How do you determine the price for custom tasks?
Once you describe the issue or enhancements you need, I will evaluate the complexity and scope of the task. After the evaluation, I will provide you with a custom offer that includes an estimated timeline and price.
Do I need to provide any specific information for the project?
Yes, to get started, I’ll need details about the issue or enhancement you need, access to the relevant files or platform, and any additional information that could help me understand the problem better. The more details you provide, the quicker I can assist you.
Do you offer support after the delivery?
Yes, I offer post-delivery support for issues related to the work I’ve completed. If you need additional help or adjustments, feel free to reach out.
What is your typical turnaround time?
Turnaround time depends on the nature and complexity of the task. For smaller bug fixes, I can typically deliver within 2–3 days. Larger tasks, such as feature enhancements, may take longer. I’ll provide a clear timeline after evaluating your project.
2 reviews for this Gig
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Rating Breakdown
- Seller communication level
- Quality of delivery
- Value of delivery
Sort By
T thatbilloakley
Repeat Client

United States
Barbara Bonilla truly IMPRESSED with her exceptional code expertise and meticulous documentation. Her proactive communication and deep understanding made working with her a delight, exceeding all of my expectations in website maintenance. Highly recommend! 🙌
$100-$200
Price
8 days
Duration
Helpful?J 
juaquitojorgemd
Repeat Client

United States
Second project with Barbara, did a fantastic job, just like the first time. Worked with our individual teammembers to understand their needs, and to make sure that we were getting what we asked for. Provided a tutorial video so we could learn.
Up to $50
Price
9 days
Duration
Helpful?
2 reviews for this Gig
| (2) | ||
| (0) | ||
| (0) | ||
| (0) | ||
| (0) |
Rating Breakdown
- Seller communication level
- Quality of delivery
- Value of delivery
Sort By
T thatbilloakley
Repeat Client

United States
Barbara Bonilla truly IMPRESSED with her exceptional code expertise and meticulous documentation. Her proactive communication and deep understanding made working with her a delight, exceeding all of my expectations in website maintenance. Highly recommend! 🙌
$100-$200
Price
8 days
Duration
Helpful?J 
juaquitojorgemd
Repeat Client

United States
Second project with Barbara, did a fantastic job, just like the first time. Worked with our individual teammembers to understand their needs, and to make sure that we were getting what we asked for. Provided a tutorial video so we could learn.
Up to $50
Price
9 days
Duration
Helpful?
