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Fiverr Pro
English
$
USD
I will develop and integrate custom API
StellanL
About this gig
Need a custom API solution? I develop secure, scalable REST APIs and integrate third-party services for web and mobile applications. From API development and authentication to database integration and webhook implementation, I deliver reliable, high-performance solutions tailored to your needs.
Get to know StellanL
StellanL
Software Engineer
- FromUnited States
- Member sinceAug 2026
- Avg. response time1 hour
Languages
English
I'm a Software Engineer specializing in web development, AI solutions, automation, browser extensions, API integration, CRM development, web scraping and custom software. I build secure, scalable and high-performance applications using modern technologies. My focus is on clean code, reliable solutions, clear communication and on-time delivery. I'm committed to helping businesses streamline operations and achieve their goals with innovative software solutions.
FAQ
What types of APIs do you develop?
I develop custom REST APIs, integrate third-party APIs, implement webhooks, authentication (OAuth/JWT), payment gateways and cloud service integrations for web and mobile applications.
Which technologies and frameworks do you use?
I work with Node.js, Express.js, FastAPI, Django REST Framework, Laravel, Spring Boot, JavaScript, TypeScript, Python, PHP and other modern backend technologies.
Can you integrate an existing API into my application?
Yes. I can integrate existing APIs such as Stripe, PayPal, Twilio, Google APIs, OpenAI, Firebase and many other third-party services. FAQ 4
What do you need to get started?
Please provide your project requirements, API documentation (if available), preferred technology stack, access credentials (if needed), and any design or business requirements.
