New Delhi, Delhi, India
$12/hr · Starting at $250
We have extensive experience in the Restful, SOAP based; OAuth based APIs and Web Services. Having worked and after creating many projects / applications about APIs, there are far too many to list all…
Trenton, New Jersey, United States
$30/hr · Starting at $300
I'm a web development expert with 8+ years experience and I'm very familiar with various frameworks and APIs. Frontend : React.js, Typescript , Next.js, Vue.js and HTML&CSS Backend : Node.js , PHP ,
Sayreville, New Jersey, United States
Past Earnings
$75/hr · Starting at $500
I build API integrations, data workflows, document processing tools, and automation pipelines that connect business systems and reduce manual work. This service is for companies that need data to move…
Surat, Gujarat, India
$12/hr · Starting at $50
Hello, I am having 6+ years of experience in web development and designing, I have expertise in front-end development and software architecture this gives me a unique knowledge with all layers of sof…
Sirsa, Haryana, India
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$15/hr · Starting at $100
Development of secure and scalable APIs using Python (Django / FastAPI) REST API and modern architecture for web and mobile apps Integration with third-party services (payment, SMS, emails, etc.) Back…
Bengaluru, Karnataka, India
$15/hr · Starting at $25
Today, a web-based application is not enough to reach it's customers. People are very smart, they are using iphone, mobile, tablets etc. devices in its daily life. These devices also have a lot of app…
Virudhunagar, Tamil Nadu, India
$5/hr · Starting at $115
I will build high-performance backend APIs using Golang for Web applications and Desktop applicatoins supporting both Linux & Windows Operating Systems. (10 APIs) I specialize in developing secur…
North Brunswick Township, New Jersey, United States
$20/hr · Starting at $25
Expert in PHP/JavaScript based Web Applications. Commonly use React.js, Bootstrap, and CSS Grid. One of the most diligent and professional freelancers i have worked with in my long history with upwork…
Kolkata, Tamil Nadu, India
$15/hr · Starting at $250
Integrate your legacy application to new age web application which can be accessed through mobile and web application. Responsive Web Development that is accessible in Mobile and Desktop, Rich Inter…
Pune, Maharashtra, India
$25/hr · Starting at $400
Custom ecommerce development UI/UX design :- Responsive design Web development Mobile app development :- android and IOS Product development API integration Database design and management Custom P…
Lucknow, Uttar Pradesh, India
$10/hr · Starting at $50
Joomla: Joomla 1.0.x, Joomla 1.5.x, Joomla 2.x, Joomla 3.0.x, Joomla version upgrade, site's maintenance, to fix the malware, custom module development, website enhancement, Mobile website, desktop an…
Noida, Uttar Pradesh, India
$30/hr · Starting at $30
My name is Harshit, and I am an expert Automation QA Lead. I have 7+ years of experience in Automation and manual testing. I am very much familiar with Agile methodologies(SCRUM) as I have been workin…
Gurgaon, Haryana, India
$18/hr · Starting at $500
Having over 14 years proven track record experience to develop Mobile Application & Web Application-- My skill-set: Native: iOS, Android, Windows8 (Objective-C, Swift, Java, C#), JNI, NDK (C/C++) Hybr…
Kottayam, Kerala, India
$8/hr · Starting at $25
hanks to internet marketing, finding a product or service you want today is easier than ever. More and more businesses – both big and small – are ensuring their presence online and are vying for the t…
Nashville, Tennessee, United States
$50/hr · Starting at $45
Primarily node.js backend development utilizing microservice architectures and design. Single responsibility services designed to be robust and scalable.
$10/hr · Starting at $25
We offer various kind of services from consulting to development and testing: - API Integration (Facebook, Linkedin, Twitter, Google, Payment, Campaign Monitor, MailChimp) - Web Designing (HTML5, CSS3…
Struzinec, Stredocesky kraj, Czech Republic
$30/hr · Starting at $500
• Working knowledge of Front end optimization and performance techniques • Makes design recommendations towards the development of new code or reuse of existing code • Crisp Communication with Clien…
Kampot City, Kampot, Cambodia
$50/hr · Starting at $400
I am a full stack developer with more than 25 year experience, able to create front-end and back-end programs and deploy them to the desired or most suitable infrastructure. I like to use Node.js for…
Newark, California, United States
$5/hr · Starting at $25
We are having a strong team of API developers to sync your Website and Mobile Apps or Send/Receive data from third-party sources. - Very good in Core JAVA OOPS concepts - Proficient in writing well-…
Chennai, Tamil Nadu, India
$12/hr · Starting at $150
Provides customized solution and consultation for following api and languages -Dropbox -Semantic -Angularjs -C#