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Fiverr Pro
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$
USD
I will create any custom apis and integrate secure backends
Dennis G
About this gig
Build Powerful API Integrations & Custom Backend Solutions
Howdy there,
I am a seasoned Software Engineer with a unique touch for software; scalable APIs, and intelligent automation systems (AI enable systems) that help businesses grow.
Whether you need a payment gateway, custom API, third-party integration, webhook automation, or a complete backend architecture, I will help turn your idea into a secure, production-ready solution.
Technologies & Frameworks
- Node.js (with Express.js middleware)
- Go (Gin)
- Python (Fast API and Flask)
- WordPress
API Services
- REST API & Open API
- Third-Party API
- Daraja (M-Pesa) API
- Stripe & PayPal Integration
- Cryptocurrency Payment APIs (e.g. Gateway.io)
- Webhooks & Workflow Automation
- SMS & Email APIs
- CRM & Marketing Integrations
- Custom API Development, Troubleshooting and Optimization
Why Clients Choose working with me
- Clean, Secure & Scalable Code
- Business-Focused Solutions
- Fast Communication & Transparent Updates
- Thorough Testing and Health Checks Before Delivery
- Available for Long-Term Support & Maintenance
- Professional Documentation
Before ordering please send
- API Documentation Link
- Project Requirements
- Preferred Technology Stack
- Workflow
Get to know Dennis G
Dennis G
Full Stack Software Developer
- FromKenya
- Member sinceOct 2024
- Last delivery1 year
Languages
English
I am a full-stack software developer focused on building modern, fast, and scalable web applications. My technical focus includes • Python (Flask) • Vue.js front-end development • Node.js/laravel back-end development • WordPress website development • JavaScript architecture • PHP • Solidity & Ethereum. Beyond coding, I bring strong customer-facing and organizational experience. My strong background in e-commerce, customer service and executive assistance has strengthened my ability to communicate with clients, understand requirements, and deliver solutions that solve business problems.
Other Software Development Services I Offer
FAQ
What APIs can you integrate?
I can integrate any REST API, Open API, SOAP API, payment gateway, CRM, SMS, email, shipping, or custom APIs. Popular integrations include Stripe, PayPal, Daraja (M-Pesa), Twilio, Payoneer, Google Sheets and many others. If your API has documentation, I can most likely integrate it.
What technologies do you use for API development?
I build and integrate APIs with Node.js (Express.js), Go (Gin), Python (FastAPI, Django, Django REST Framework, Flask), PHP Laravel, CodeIgniter, WordPress and Wix. I will suggest the best technology stack for your project, depending on the scale of your project, your requirements, and your budget.
Can you build a custom API from scratch?
Yes, sure. I can design and develop secure, scalable, and well-documented custom APIs from the scratch. This includes authentication, database integration, webhooks, third-party services, API documentation, testing, and deployment support.
What do you need before starting my project?
To kickstart, provide your API documentation, project requirements, website/application details, preferred technology stack (if any), and a brief explanation of the workflow you want to achieve. The more information you can provide, the faster and more precisely I can give you your desired solution.
Do you provide support after delivery?
Yes. I provide post-delivery support to ensure your API integration works as expected. When you have problems with work delivered, I will assist with troubleshooting and solving the problems. Long term maintenance and enhancement services are also available.
