Find the Best API Developer Jobs in Rancho Cucamonga, CA
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Backend Developer Needed for Marketing Data Platform
Hourly ‐ Posted 1 day agoHours needed
Duration
Experience level
We're a marketing technology company building out a data and email platform, and we're looking for a backend / integration developer to…
Hiring Strong .NET Developer - Freelancers only, no agencies or e…
Hourly ‐ Posted 3 days agoHours needed
Duration
Experience level
Looking for an experienced, detail-orientated, and problem-solver full-stack developer to develop a custom application. Candidate must…
Framer Site API Integration Specialist to setup pipeline
Hourly ‐ Posted 16 days agoHours needed
Duration
Experience level
I need someone to help with my website using Framer site and API integration for Stripe, file upload, and pricing dropdown. The task in…
WhatsApp Business API Broadcasting Specialist
Fixed-price ‐ Posted 15 days agoFixed-price
Experience level
We are seeking a skilled freelancer to assist with integrating the WhatsApp Business API for broadcasting purposes. The ideal candidate…
Part-Time API & Automation Engineer (Zapier, REST, Ecommerce Syst…
Hourly ‐ Renewed 1 month agoHours needed
Duration
Experience level
We are looking for a part-time developer to support and maintain our existing automation and API infrastructure. This is an ongoing but…
B2B Marketplace Platform Development
Hourly ‐ Posted 24 days agoHours needed
Duration
Experience level
We are looking for an experienced Full-Stack Developer to build a B2B marketplace platform for our startup company. The platform will c…
Claude api and integration
Hourly ‐ Renewed 4 days agoHours needed
Duration
Experience level
Description I am looking for developer working with the Anthropic Claude API for AI-powered automation, chat systems, workflow orch…
Node.js Email Briefing System | $250 Fixed Price | 3-4 Days
Hourly ‐ Posted 1 month agoHours needed
Duration
Experience level
Node.js Server — AI Email Briefing System with Supabase + Claude + Resend Budget: $250 fixed | Timeline: 3-4 days I need a Node.js/Ex…
Claude Code Coach
Hourly ‐ Posted 27 days agoHours needed
Duration
Experience level
I'm looking for a senior web / SaaS devleoper that's familiar with Claude Code to assist me in devlopment of custom web-based tools and…
Meta Conversions API Specialist
Hourly ‐ Posted 5 days agoHours needed
Duration
Experience level
Overview: Please read at least through the doc shared. Open the doc and confirm you have done this before please. We are a digital ad…
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