Find the Best API Jobs in Englewood, CO
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Check out a sample of the 14 API jobs posted on Upwork
Full Stack Node.js & React Developer
Hourly ‐ Posted 14 days agoHours needed
Duration
Experience level
We are seeking a skilled Full Stack Developer with strong experience in Node.js and React to work on an AI-powered web app. The ideal c…
Build Secure Django Authentication System
Fixed-price ‐ Posted 10 days agoFixed-price
Experience level
We are looking for an experienced Django developer to build a robust, secure, and scalable authentication system for our web applicatio…
Audit AI Inference Platform (Go + Python codebases), Plan to Remo…
Hourly ‐ Posted 1 month agoHours needed
Duration
Experience level
I need an experienced developer to audit a set of codebases Claude Code / Codex has been building. I'm building an inference-platform,…
Custom CRM Development for Property and Project Management
Hourly ‐ Posted 10 months agoHours needed
Duration
Experience level
We are seeking a skilled developer or team to create a custom CRM system specifically designed for property and project management. The…
Audit Billing Platform (Golang codebase), Plan to Remove AI Slop
Hourly ‐ Posted 1 month agoHours needed
Duration
Experience level
I am building an authentication library and a billing platform in Golang + Postgres. Auth-library is embedded only, while billing can b…
AI Agent: Fix API and Test Backend (30-Minute Task)
Fixed-price ‐ Posted 26 days agoFixed-price
Experience level
We are looking for a developer with experience in AI agents, backend APIs, and debugging to quickly diagnose and fix a backend API issu…
Multi-Timeframe RSI Scanner for iOS & Android
Fixed-price ‐ Posted 27 days agoFixed-price
Experience level
I need someone to build a real-time iOS and Android app for RSI(Relative strength index:14-period RSI based on the close price) for all…
Custom CRM Development for Property and Project Management
Fixed-price ‐ Posted 10 months agoFixed-price
Experience level
We are seeking a skilled developer or team to create a custom CRM system specifically designed for property and project management. The…
AI App Fix,Deployment,Screen Time API Integration
Fixed-price ‐ Posted 27 days agoFixed-price
Experience level
We are looking for an experienced React Native / AI app developer to fix issues in an existing Rork-generated AI mobile app, complete d…
Twilio Multi-Tenant Communications Infrastructure (A2P 10DLC, Sub…
Hourly ‐ Posted 18 days agoHours needed
Duration
Experience level
We’re building ManyBuild, an AI-powered construction operations platform and project command center for contractors, property managers,…
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