Dordrecht, Zuid-Holland, Netherlands
$95/hr · Starting at $450
I help teams automate backend processes and build reliable APIs using clean, well-structured code - no bloated frameworks or overengineering. I specialize in small to mid-sized backend tools, microser…
Lutsk, Volyns'ka Oblast', Ukraine
$20/hr · Starting at $25
I will develop secure, scalable, and maintainable backend APIs using Python and FastAPI. Services include: • REST API development • Authentication & authorization • Database integration • PostgreSQL &…
Ahmedabad, Gujarat, India
$30/hr · Starting at $1,000
TWINS AI TECHNOLOGY provides professional API Development, Third-Party Integration, and Machine Learning solutions that help businesses connect applications, automate workflows, and build intelligent
Njivice, Montenegro, Montenegro
ID Verified
$25/hr · Starting at $50
Need to connect your services or integrate third-party tools? We build reliable data flow between your systems — creating custom APIs from scratch, connecting external services, and optimizing your ba…
Noida, Uttar Pradesh, India
$10/hr · Starting at $100
At BigwiZe Solutions, we help businesses accelerate growth through AI-driven, scalable, and enterprise-grade software solutions. With 20+ years of industry experience, we specialize in delivering reli…
Bhawalpur, Punjab, Pakistan
3,352/yr · 100%
Hello ! I specialize in API software development that helps businesses connect their applications, share data, and automate processes in a secure and efficient way. APIs are the foundation of modern s…
Rawalpindi, Punjab, Pakistan
Past Earnings
$30/hr · Starting at $100
I develop secure, scalable, and high-performance REST APIs using ASP.NET Core and C#. With over 8 years of professional experience, I build backend solutions that are clean, maintainable, and producti…
Mumbai, Maharashtra, India
$10/hr · Starting at $200
Enhance your existing website or application with secure REST API development, third-party integrations, bug fixing, performance optimization, database improvements, code refactoring, security updates…
$15/hr · Starting at $150
I develop secure, scalable, and reliable backend systems using Node.js, Express.js, NestJS, REST APIs, authentication, databases, and cloud-ready architecture. I can build APIs for mobile apps, web ap…
Hyderabad, Telangana, India
$12/hr · Starting at $150
I integrate OpenAI GPT and Google Gemini APIs into web applications, SaaS platforms, CRMs, mobile apps, and enterprise software. Whether you need AI-powered chat, document analysis, content generation…
Lahore, Punjab, Pakistan
$22/hr · Starting at $200
Logic Legacy , delivering seamless, high-performance API Development & Integration services designed to connect, scale, and automate your business with precision and reliability. APIs are the backbone…
Bangalore, Karnataka, India
$25/hr · Starting at $500
Today world if you like a single backend that used everywhere then API based backend comes into picture.Node.js is well suited for applications that have a lot of concurrent connections and each reque…
$10/hr · Starting at $30
Hello there! I'm , a highly skilled PHP developer with 3 years of experience in crafting robust and scalable web applications. I am passionate about turning innovative ideas into reality and take prid…
Hamilton, Ontario, Canada
$10/hr · Starting at $80
I am an experienced and passionate system architect and developer. My main areas of expertise are .NET: C# 2 to 5, VB.NET, Azure, ASP.NET, MVC, Web API, LINQ. Databases: SQL Server 7 - 2014, in .Net
Sahibzada Ajit Singh Nagar, Punjab, India
$15/hr · Starting at $25
I provide full stack web development services with a focus on building scalable, secure, and high-performance applications using .NET Core, C#, Entity Framework, SQL Server, and React.js. Whether you
Lucknow, Uttar Pradesh, India
$8/hr · Starting at $1,000
We provide comprehensive backend and API development services for web and mobile applications. Our team of experienced developers can help you create a secure, reliable, and scalable backend infrastru…
Bahawalpur, Punjab, Pakistan
$5/hr · Starting at $50
I’m Muhammad Asad, a passionate and results-driven Full-Stack Web Developer with expertise in React, Next.js, Node.js, Express.js, MongoDB, SQL, and .NET Web APIs.I specialize in building scalable, mo…
Cihei, Bihor, Romania
$40/hr · Starting at $500
We develop secure REST APIs and integrate web or mobile applications with external services. Our work can include authentication, roles and permissions, payment processors, invoicing systems, email pr…
Newport Beach, California, United States
$50/hr · Starting at $50
Need to connect your software with third-party services or build a custom API? I develop secure, scalable APIs and backend integrations that automate workflows, synchronize business data, and eliminat…
Yonkers, New York, United States
$25/hr · Starting at $1,000
The Key to Seamless Data Flow and Enhanced Functionality In today's interconnected digital landscape, APIs (Application Programming Interfaces) are the backbone of seamless communication between appli…