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Fiverr Pro
English
$
USD
I will do professional web programming
Brandon Herrera
About this gig
I will build a professional, scalable website or web application with secure API integration.
I specialize in connecting frontends to REST APIs, building custom backend APIs, handling DB, authentication, and third-party services like payments, emails, and CRMs.
Respect third-party rights
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Get to know Brandon Herrera
Brandon Herrera
Data Analytics and Automation Expert in KNIME Workflows and API Integration
- FromCosta Rica
- Member sinceNov 2025
- Avg. response time23 hours
- Last delivery1 month
Languages
English, Spanish
I’m a Systems Engineer with over 4 years of experience in software development, data engineering, and Automation. I specialize in building efficient, scalable solutions tailored to each client’s needs. If you’re looking for someone reliable, fast, and results-driven, I’m here to help bring your project to the next level.
My Portfolio
FAQ
What kind of APIs do you work with?
I work with REST APIs (JSON), both third-party APIs and custom-built APIs. I can integrate payment gateways, CRMs, email services, authentication systems, and internal business APIs.
Can you integrate my existing API?
Absolutely. I can connect your existing API to a web frontend, fix integration issues, optimize performance, and ensure secure data handling.
Do you provide database integration?
Yes. I work with SQL and NoSQL databases such as SQL Server, PostgreSQL, MySQL, and MongoDB, depending on your project needs.
Do you handle authentication and user login systems?
Yes. I can implement secure authentication systems including JWT, OAuth, role-based access, and user management.
Will my website be responsive and mobile-friendly?
Yes. All websites and web applications are fully responsive and optimized for desktop, tablet, and mobile devices.
What do you need from me to get started?
Project requirements, API details (if existing), design references (if any), access credentials (when required), and clear business goals.
