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Check out a sample of the 91 Web Services Specialist jobs posted on Upwork

Less than 30 hrs/week
Hours needed

Less than 1 month
Duration

Entry
Experience Level

We have different integrations we need to do as. Integrantion with QuickBooks Amazon Ebay Mercadolibre Magento Uber eats And more Ne…

Web Services Software Architecture & Design Database Architecture Database Web Service Jobs JSON API C# SOAP XML RESTful API
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Less than 30 hrs/week
Hours needed

1 to 3 months
Duration

Expert
Experience Level

* Design and document technical specifications, configurations * Provide technical evaluation of demands against specified platform ar…

Web Services Activity Diagram Implementation JobsSolution Architecture Consultation Jobs Use Case Diagram Engineering & Architecture Jobs Retail & Consumer Goods Web Service Jobs Web Server RESTful Architecture JavaScript Software Architecture & Design
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Serverless design for APIs on AWS Fixed-price ‐ Posted 6 days ago

$50
Fixed Price

Expert
Experience Level

We are implementing an API catalog on AWS using Lambda and the API Gateway. The structure is along the following lines. 1. Experience:…

Web Services Web Service Jobs AWS Lambda Amazon Web Services API Serverless Computing
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Urgent. Haufe x360 / Acumatica Integration Hourly ‐ Posted 8 days ago

Less than 30 hrs/week
Hours needed

1 to 3 months
Duration

Intermediate
Experience Level

We are looking for a Integration of the German version of Acumatica called Haufe x360. Which is very much the same but a lighter versio…

Web Services Database Design Database Architecture Database Web Service Jobs API
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Elixir Software Engineer Hourly ‐ Posted 9 days ago

Hours to be determined
Hours needed

More than 6 months
Duration

Expert
Experience Level

Scope of the Work: As a back-end software engineer working with our team you will mostly write code in Elixir. We have an Elixir based…

Web Services PostgreSQL Web Service Jobs Elixir Erlang RESTful API Software Architecture & Design Automated Testing API CI/CD Elasticsearch
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Backend Developer to build API system Fixed-price ‐ Posted 2 days ago

$200
Fixed Price

Intermediate
Experience Level

Looking to have a developer create and deploy an API for our SaaS product. This project is a high priority and will lead to additional…

Web Services Database Architecture Database Design Web Service Jobs API API Development Database API Integration
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Kotlin Rest API Developer Hourly ‐ Posted 4 days ago

Less than 30 hrs/week
Hours needed

Less than 1 month
Duration

Intermediate
Experience Level

I'm interested in a talented developer who can assist me with some small generic rest APIs written in Kotlin with Http4k (no Ktor appli…

Web Services Database Database Design Web Service Jobs PostgreSQL Kotlin RESTful API API RESTful Architecture
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Software Architect needed Hourly ‐ Posted 7 days ago

Less than 30 hrs/week
Hours needed

3 to 6 months
Duration

Intermediate
Experience Level

We are looking for an experienced software architect to join us with a chance of this being full-time. Responsibilities: * Identifyin…

Web Services API Integration Software Architecture & Design Software Design Web Service Jobs JavaScript Database Design API Documentation Technical Documentation Management Jobs
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Java KeyCloak Developer Hourly ‐ Posted 8 days ago

Hours to be determined
Hours needed

1 to 3 months
Duration

Expert
Experience Level

Looking for a Java and Keycloak expert to help with the deployment of a Keycloak server. The desired candidate will have experience wor…

Web Services Software Architecture & Design Web Service Jobs Apache Maven WildFly PostgreSQL MySQL Java
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$200
Fixed Price

Expert
Experience Level

We need an urgent pop up and a landing page developed for an Umbraco website. The developer will have only 2 days to deliver this as it…

Web Services .NET Framework Web Service Jobs ASP ASP.NET Umbraco
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