Find the Best Back-End Developers Jobs

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On average from 2M+ reviews

Check out a sample of the 1,411 Back-End Developers jobs posted on Upwork

30+ hrs/week
Hours needed
1 to 3 months
Duration
Intermediate
Experience level

We are seeking a skilled Node.js developer with experience in AWS S3, AWS ECS, AWS Connect, and OpenSearch for our RAG application. The…

Back-End DevelopmentPythonJavaScriptNode.jsAPIAmazon Web Services
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Not sure
Hours needed
1 to 3 months
Duration
Expert
Experience level

Type: Ongoing hourly contract Estimated load: Part-time to start (~10–20 hrs/week), with a defined paid trial first Looking for: Seni…

Back-End DevelopmentAmazon Web ServicesNode.jsAmazon S3AWS Lambda
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Full Stack Developer with Strong English

Hourly ‐ Posted 2 days ago
30+ hrs/week
Hours needed
1 to 3 months
Duration
Intermediate
Experience level

We are seeking a skilled full stack developer with excellent English communication skills. The ideal candidate will be responsible for…

Back-End DevelopmentDatabase ProgrammingjQueryShopifyAWS CloudTrailAngularJSMySQLAcross Language ServerEnglishCSSHTMLJavaScript
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$70
Fixed-price
Intermediate
Experience level

We are seeking a skilled full stack developer to enhance our web application. The ideal candidate will have experience with React, Next…

Back-End DevelopmentMongoDBNext.jsNode.jsjQueryPHPHTML5JavaScript
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Senior Python Developer for Django Project

Hourly ‐ Posted 2 days ago
Less than 30 hrs/week
Hours needed
1 to 3 months
Duration
Expert
Experience level

We are seeking an experienced Senior Python Developer to enhance our Django project. The ideal candidate will have a strong background…

Back-End DevelopmentPostgreSQL ProgrammingPython
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Full-Stack Developer for Website Fixes

Hourly ‐ Posted 2 days ago
Less than 30 hrs/week
Hours needed
Less than 1 month
Duration
Intermediate
Experience level

I need a full-stack developer to address click and API issues on a deployed website built using code generated from ChatGPT. The ideal…

Back-End DevelopmentHTMLJavaScriptAPI DevelopmentPHP
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$400
Fixed-price
Expert
Experience level

We are looking for an experienced Microsoft LS Retail NAV 2016 developer or integration specialist to build a one-way integration betwe…

Back-End DevelopmentAPI
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Need an experienced .NET Core with AWS

Hourly ‐ Posted 2 days ago
30+ hrs/week
Hours needed
More than 6 months
Duration
Intermediate
Experience level

We are seeking a skilled developer to build backend for a web portal in .NET Core. Must have knowledge of microservices architecture, A…

Back-End DevelopmentAmazon Web Services
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Less than 30 hrs/week
Hours needed
1 to 3 months
Duration
Intermediate
Experience level

SUMMARY We are hiring a developer to build an AI-powered outbound voice calling system for automated interviews. Setup already availab…

Back-End DevelopmentAPI DevelopmentAsteriskAPIPython
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$50
Fixed-price
Expert
Experience level

We are looking to hire full stack developer to finish our AI-driven MVP for marketplace we build. We are looking for a skilled profess…

Back-End DevelopmentAmazon Web ServicesMongoDBAPICSSAngularJSJavaScriptNode.js
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