Find the Best API Developer Jobs in Sparta, NJ
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Check out a sample of the 11 API Developer jobs posted on Upwork
AI Technical Lead for Automations
Hourly ‐ Posted 1 month agoHours needed
Duration
Experience level
Seeking an AI Technical Lead to build out automations and set up guardrails for generated code within our organization. The role involv…
TurbineFi to Kalshi API Integration
Fixed-price ‐ Posted 26 days agoFixed-price
Experience level
Project Overview: I am seeking a trading automation expert with verified TurbineFi experience to set up, deploy, and demonstrate a pre…
Shopify API Integration Developer
Fixed-price ‐ Posted 5 days agoFixed-price
Experience level
Looking for an experienced Shopify developer to handle third-party API integrations, connect Shopify with external systems, troubleshoo…
AI Developer — Agency Partnership Opportunity (High Earners / Top…
Hourly ‐ Posted 19 days agoHours needed
Duration
Experience level
We're expanding our AI development agency and looking for an experienced AI Developer to join us in a partnership model — not a typical…
React - Node JS, Azure, PostGres
Hourly ‐ Posted 2 days agoHours needed
Duration
Experience level
Part-Time Engineer – Maintain & Extend a Compliance Tracking App (Node.js/React/PostgreSQL, Azure) Job Description We built an intern…
Junior TypeScript developer
Hourly ‐ Posted 5 days agoHours needed
Duration
Experience level
We're a two-person team building Déjà: a platform that issues cryptographically signed receipts proving which code change caused which…
Internal Management Platform for Medicaid Agency
Fixed-price ‐ Posted 13 days agoFixed-price
Experience level
I’m building an internal management platform for a Pennsylvania Medicaid home care agency. The platform sits on top of our existing ven…
OEM Auto Parts Research Tool Developer
Hourly ‐ Renewed 20 days agoHours needed
Duration
Experience level
I need a senior full-stack developer to build a private OEM auto parts research application for my automotive recycling business. The…
Senior Backend / Geospatial Engineer (PostgreSQL/PostGIS, Node.js…
Fixed-price
Experience level
We are building a developer-focused real estate data API (www.apidata.one). The platform serves developers who are building custom IDX…
Senior Node.js Developer: Zenoti Booking API Integration
Hourly ‐ Renewed 20 days agoHours needed
Duration
Experience level
We are a premium facial spa company with 10 locations across New York, DC, and Miami, expanding to 19. We are migrating our booking pla…
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