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Software » API Development

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API Development Job Listings

Displaying 18 out of 78 jobs

Full Stack + AI Developer Full Time

hr@unitcode.org • Posted on Aug 08, 2025

: $500- $800

Title:
Full Stack + AI Developer | Paid Training in Blockchain (Rust/Substrate)

Get paid to learn blockchain and AI while working on real-world projects with a global Web3 team. No Rust/Substrate experience required but preferred - training provided.

Description:
Unit… See More

React JS API Development AI Tools

Five9 Developer Any

Michael Rose • Posted on Aug 08, 2025

: negotiable

Someone who has Five9 tech skills. Five9 plus API coding skills required. You will be asked to work in Go High Level and Ring Central as well. See More

API Development

Team Lead – .NET Application Development Full Time

Israel Aboud • Posted on Jul 28, 2025

: $1500

We are seeking an experienced and proactive Team Lead with a strong C#/.NET development background to assemble and manage a small but highly effective development team. This role combines technical leadership with project management, making it ideal for someone who… See More

API Development ASP.NET Team Leadership

AI-Focused Full Stack Developer Any

Avi • Posted on Jul 16, 2025

: 800-1000

We’re an innovative, tech-forward company building cutting-edge web applications and internal tools that streamline and automate business operations. As we scale, we’re integrating AI into our core products — and we’re looking for a Full Stack Developer who’s excited to… See More

API Development Software Development Project Manager

Full Stack Developer Full Time

Martien Brouwer • Posted on Jun 19, 2025

: $300 per month

Dear Applicant,

We are an innovative company building cutting-edge front-end websites using AI tools like Lovable.ai. Our goal is to create seamless, modern SaaS applications that combine sleek front-end design with robust backend functionality.

While Lovable.ai helps us generate high-quality… See More

API Development Database Management Web Development

API Developer (Remote – Full Time) Full Time

Zac Agius • Posted on Jun 19, 2025

: Php50,000 - Php85,000

Job Title: API Developer – Automation & System Integration (Remote – Full Time)
Company: ASAP Roadworthys
Location: Fully Remote (Applicants must be based in Metro Manila or surrounding areas only)
Schedule: Full-Time | Monday to Friday | Day Shift |… See More

API Development REST API API Testing

HubSpot System Administrator Full Time

Peggy Snyder • Posted on May 18, 2025

: Based on Experience

Job Description:
HubSpot System Administrator

Company Description: Our company focuses on helping our customers with their Telecom needs from ordering new services, helping them get installed, to checking their bills to make sure they are billing correctly and overall, the… See More

HubSpot CRM eMail Marketing API Development

QuantConnect Developer Any

Jeff • Posted on May 11, 2025

: $1,000

We are seeking a talented QuantConnect developer to help backtest and build automated trading strategies for stocks, options, and futures. Ideal candidates can accelerate development by leveraging AI tools and are comfortable with broker APIs (especially IBKR).

Requirements:
Solid experience… See More

Python API Development Stock Trading

Automation Expert for MultiLogin API | Account Creation & Warming (Python + API + Browser Automation) Full Time

nadav Eschel • Posted on Apr 21, 2025

We are seeking a highly skilled and detail-oriented Automation Specialist to help us build and manage a system that automates account creation and warming processes using MultiLogin (multi-browser environment) and Python-based scripting.

This is a long-term opportunity for the right… See More

Web Programming API Development FastAPI

Vue/Nuxt Full-Stack Developer – Build AI Chatbot SaaS (OpenAI + Vision, Long-Term Growth) Any

Eric Datanagan • Posted on Mar 30, 2025

: TBA

About the Opportunity:

We’re building a SaaS platform that allows users to create and embed their own AI-powered chat assistants — similar to Intercom or Tidio, but powered by OpenAI’s GPT-4 + Vision.

Users will be able to:

Chat with… See More

Vue JS API Development Web Development

Email Warming Automation Gig

Matthew Elmer • Posted on Feb 25, 2025

: $100

Automations expert to set up Email Warming Workflow.

I would like you to set up a workflow in n8n, or gumloop.

Automation features I want it to be able to check 20 different email accounts,
move specific emails that went… See More

eMail Marketing API Development AI Tools

Shopify developer Integrating POS system. Gig

Pigeon Forge Gem Mine • Posted on Feb 20, 2025

: TBD

Pigeon Forge Gem Mine is looking for a skilled Shopify developer to migrate our e-commerce store from WooCommerce to Shopify. This is a gig opportunity with potential for long-term collaboration, depending on project success.
Important: We have already built the… See More

Shopify Shopify API Development

Coder Part Time

Sam Kaleel • Posted on Feb 15, 2025

: $10 per hou

Looking for Coder who knows the event ticket business See More

CodeIgniter Python API Development

Make.com Automation Expert Part Time

Daniel Shi • Posted on Jan 22, 2025

: $10/hour

Job Description:

We are seeking a highly skilled Automation Specialist with expertise in Make.com (formerly Integromat), QuickBooks Online, and Office 365 integrations. This role requires experience in no-code automation development and the ability to create seamless workflows between tools, improving… See More

API Development Zapier Make.com

Reverse engineering public APIs for data scraping Part Time

Andre Lang • Posted on Sep 03, 2024

: $10-$20 USD P/H

I'm looking for a skilled freelancer to assist in reverse engineering a number of public APIs for a project I'm working on.

Project Overview:

Your primary task will be to:

Identify the questions asked by the API.
Capture what the… See More

PHP API Development REST API

Systems builder Part Time

Casey Meredith • Posted on Jun 10, 2024

: 1000

I’m looking for someone who is proficient in AI Systems building. I want to incorporate my Shopify store with a API connector into a system such as weld. This will need to use a inventory tracker and a job tracker… See More

Inventory Management API Development

Flutter APP and API developer Any

David Shah • Posted on May 24, 2024

We are looking for someone who is fluent in and experienced in Flutter APP and API integration. This person will create or edit already created app and also deal with multiple API connections from different platforms. Quick and fast implementation… See More

Flutter API Development API Testing

Build Custom ChatGPT AI Chatbot that connects the OpenAI Assistant API to a GoHighLevel Sub-Account Gig

Jack Zenert • Posted on Feb 09, 2024

: TBD

I would like to hire an individual to create a custom ChatGPT AI Chatbot application that is connected to my GoHighLevel sub-account and interacts with the OpenAI Assistant API.
I want them to create the programming to connect these two… See More

PHP API Development GoHighLevel

BENCHMARKS

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Controller Execution Time ( Jobseekers / Jobsearch )	0.7348
Total Execution Time	0.7366

GET DATA

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CLASS/METHOD

Jobseekers/jobsearch

DATABASE: onlinejobs (Jobseekers:$db) QUERIES: 6 (0.1347 seconds) (Hide)

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job_search_keyword

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HTTP_ACCEPT_ENCODING	gzip, br, zstd, deflate
HTTP_X_FORWARDED_FOR	216.73.217.7
HTTP_DNT

Filter by skills:

Full Stack + AI Developer Full Time

Five9 Developer Any

Team Lead – .NET Application Development Full Time

AI-Focused Full Stack Developer Any

Full Stack Developer Full Time

API Developer (Remote – Full Time) Full Time

HubSpot System Administrator Full Time

QuantConnect Developer Any

Automation Expert for MultiLogin API | Account Creation & Warming (Python + API + Browser Automation) Full Time

Vue/Nuxt Full-Stack Developer – Build AI Chatbot SaaS (OpenAI + Vision, Long-Term Growth) Any

Email Warming Automation Gig

Shopify developer Integrating POS system. Gig

Coder Part Time

Make.com Automation Expert Part Time

Reverse engineering public APIs for data scraping Part Time

Systems builder Part Time

Flutter APP and API developer Any

Build Custom ChatGPT AI Chatbot that connects the OpenAI Assistant API to a GoHighLevel Sub-Account Gig