York, South Carolina, United States
$100/hr · Starting at $250
I build things. Mostly on Lambdas behind APIs, connected to NoSQL. But other things too. I'm experienced across all facets of product development and infrastructure/devops. I don't understand why
Gyumri, Shirak, Armenia
$20/hr · Starting at $1,000
I build secure, scalable, and high-performance backend systems using Node.js. With several years of professional experience, I help businesses develop reliable APIs, backend services, and database-dri…
Narayanganj, Dhaka, Bangladesh
ID Verified
$5/hr · Starting at $25
I'm a Senior Python Backend & Automation Engineer with 10+ years of experience building scalable APIs, automation frameworks, and backend systems for banking, IoT, and enterprise environments. I speci…
Bengaluru, Karnataka, India
$8/hr · Starting at $50
I build scalable, production-ready backend systems and APIs using Go (Golang), Java, and modern microservices architecture. I can help you design and develop robust REST or gRPC APIs, backend services…
Bhawalpur, Punjab, Pakistan
3,352/yr · 100%
$20/hr · Starting at $200
Hello ! I specialize in Laravel backend development and management, delivering robust and reliable solutions that keep web applications running smoothly and securely. My work focuses on building struc…
Benin, Edo, Nigeria
$9/hr · Starting at $50
i build a backend microservice for your application consist of your API, backend logics and database integration with either NOSQL database such as MongoDB, Apache Cassandra or SQL databases such as M…
Andover, England, United Kingdom
$100/hr · Starting at $1,500
I help organisations improve, modernise and support business-critical software, integrations and operational systems. My background spans more than 15 years of C#/.NET development across financial ser…
Jammu, Jammu and Kashmir, India
$12/hr · Starting at $25
I provide reliable and high-performance Python backend development services tailored for businesses that need robust systems, automation, and smooth integrations. I specialize in Django, FastAPI, and
Praha, Hlavni mesto Praha, Czech Republic
$10/hr · Starting at $50
As a backend developer specializing in Go (Golang), I offer comprehensive help in designing, building, and optimizing server-side applications to meet the specific needs and objectives of your project…
Lahore, Punjab, Pakistan
$15/hr · Starting at $50
Hello there! Are you in search of a dedicated and highly skilled professional committed to delivering exceptional service and ensuring your complete satisfaction? Your search ends here! I am deeply
Seoul, Seoul-t'ukpyolsi, South Korea
$30/hr · Starting at $500
Senior Backend & Blockchain Engineer | 10+ Years Experience | Upwork Top Rated Plus Project Stabilization Specialist – Revived stalled or non-operational projects (e.g., Wildfireart), delivering produ…
Newport Beach, California, United States
$50/hr · Starting at $50
Need a custom web application or backend system for your business? I build secure, scalable full-stack web applications, APIs, databases, dashboards, and business software tailored to your requirement…
Kallur Kot, Punjab, Pakistan
1,199/yr · 100%
A backend for mobile apps is the part of an application that runs on servers and handles everything users don’t directly see. While the mobile app (frontend) is what people interact with, the backend
pakpattan sharif, Punjab, Pakistan
I am a professional PHP Laravel developer with experience in building, fixing, and optimizing web applications. I help businesses and individuals solve backend issues, fix bugs, and build reliable API…
Ikeja, Lagos, Nigeria
$25/hr · Starting at $50
I am a web and mobile app developer with more than five years of experience in delivering top notch projects using different technology.. I have great knowledge and understanding of React JS Framewor…
islamabad, Islamabad, Pakistan
$20/hr · Starting at $50
A Professional Back-end node/express js developer is here to assist you. With more than 2 years of experience in web development sectors, I am a professional Back-end developer using Node, Express, an…
New Mirpur, Islamabad, Pakistan
$15/hr · Starting at $150
Expert API Development | RESTful & GraphQL | Secure, Scalable, and Well-Documented Looking to build robust APIs that power your web, mobile, or SaaS applications? You’re in the right place. I speciali…
T'bilisi, T'bilisi, Georgia
$30/hr · Starting at $30
I build custom software tailored to your business: automation tools, backend systems, cross-platform apps, and API integrations. ✅ Desktop apps (Windows/Linux) ✅ Web apps & APIs (backend and fullstack…
Edinburgh, Edinburgh, City of, United Kingdom
What I’ve worked on I've worked on a couple of interesting projects, the first being a shopping aggregation website. We built an API backend in rails and had two front ends both written in AngularJS.
Ahmedabad, Gujarat, India
103/yr · 100%
$15/hr · Starting at $1,000
We offer expert REST API development and integration services that help businesses build scalable, connected, and automated solutions, from internal systems to customer-facing apps. Our team of skille…