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API Development Job Listings
Displaying 30 out of 300 jobs
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Front-End Developer with Back-End & AI Integration Skills (PDR AI Automation Project) Part Time
Posted on 2025-11-18 03:31:37
- $700-$900
We are hiring a Front-End Developer with back-end knowledge and AI integration experience to help us build the infrastructure for our new PDR AI Automation Platform.
You will collaborate closely with our automation experts, workflow designers, and creative team to… See More
You will collaborate closely with our automation experts, workflow designers, and creative team to… See More
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Airtable Expert Needed to Improve Existing Working Base (Planting Company) Gig
Posted on 2025-11-17 13:14:23
- FIXED AMOUNT BASED ON EXPERIENCE
We run a planting company and already have a fully functional Airtable base that tracks projects, planters, and invoicing. It works well — but we need it improved. We’re looking for an experienced Airtable developer who can safely enhance the… See More
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C# BPA Platform Tool Developer Any
Posted on 2025-11-14 17:20:04
- Negioatable
Orbis Software Ltd (trading as Codeless Platforms) is a thoroughbred Software company based in Poole, England. Orbis produces BPA Platform, a best-of-breed Enterprise Automation and Workflow product for Windows environments which embraces as plethora of technologies. Orbis is the mid-market… See More
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Data Engineer (Python / Web Scraping / Economic Data) Full Time
Posted on 2025-11-13 17:30:01
- $1800
We’re looking for a hands-on Python data engineer to own our data pipelines end-to-end. Full time, month-to-month.
You’ll pull data from public economic/financial sources, build web scrapers for digital signals, clean messy real-world datasets, and ship automated scripts/APIs that feed… See More
You’ll pull data from public economic/financial sources, build web scrapers for digital signals, clean messy real-world datasets, and ship automated scripts/APIs that feed… See More
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Experienced Full Stack Developer for Self-Hosted E-Mail Server Needed Full Time
Posted on 2025-11-06 12:41:45
- 1000
We’re an experienced US-based team building production-grade AI web apps in business, finance, and productivity. We’re looking for an experienced full stack developer who enjoys taking on responsibility for a wide variety of projects, and who can ship features, fix… See More
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Full Stack Developer - Voice AI Startup Full Time
Posted on 2025-11-03 23:57:06
- $1400 to $2500 USD per month
About Us
PizzaBoys AI builds AI Phone Agents for pizzerias in the US.
Our agents answer customer calls, take orders, handle questions, and connect to POS systems — helping restaurants capture every order and grow sales automatically.
We’re a fast-moving… See More
PizzaBoys AI builds AI Phone Agents for pizzerias in the US.
Our agents answer customer calls, take orders, handle questions, and connect to POS systems — helping restaurants capture every order and grow sales automatically.
We’re a fast-moving… See More
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Full Stack Web App Developer (Supabase + ClickUp API + Figma Make) – MVP Finalisation Any
Posted on 2025-10-31 08:29:25
- AUD $200 -Negotiable
Remote | Contract |Immediate Start
*Full Stack Web App Developer (Supabase + ClickUp API + Figma Make) – MVP Finalisation*
We’re looking for an experienced developer to help finalise the MVP of a self-service SaaS web application. The ideal candidate… See More
*Full Stack Web App Developer (Supabase + ClickUp API + Figma Make) – MVP Finalisation*
We’re looking for an experienced developer to help finalise the MVP of a self-service SaaS web application. The ideal candidate… See More
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Software Designer Part Time
Posted on 2025-10-16 18:25:59
- £500
About Us
H2H Repair is the maintenance arm of House to Home Lettings, providing fast, reliable property repair and management services for landlords and tenants across the South West. We’re building a digital client portal to make it easier for… See More
H2H Repair is the maintenance arm of House to Home Lettings, providing fast, reliable property repair and management services for landlords and tenants across the South West. We’re building a digital client portal to make it easier for… See More
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Technical Specialist Full Time
Posted on 2025-10-14 05:17:11
- Up to $2500 depending on experience
Must be able to work US Arizona Time 9am-5pm M-F (No exceptions)
Must be fluent in English
Must Know (Core Skills)
Keap CRM (Infusionsoft)
Building/editing campaigns & products
Managing API connections, order forms, and payment integrations
Understanding opportunity creation in… See More
Must be fluent in English
Must Know (Core Skills)
Keap CRM (Infusionsoft)
Building/editing campaigns & products
Managing API connections, order forms, and payment integrations
Understanding opportunity creation in… See More
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Backend Software Developer – AI/LLM Systems Full Time
Posted on 2025-10-04 01:41:31
- $700-1100
Promo Panda is a PR tech company helping professionals worldwide grow their brands and careers through media placement. We’re looking for a backend software developer to design scalable systems, build robust APIs, and integrate AI models into production workflows.
This… See More
This… See More
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Full-Stack Developer - for - SaaS Coaching Platform (NEW Project - Ground Floor Opportunity) Full Time
Posted on 2025-10-01 20:54:05
- 800-1500 USD
LOCATION: Remote (Philippines)
EMPLOYMENT TYPE: Full-time
RATE: $ ---------- / month, depending on experience
*ABOUT THIS PROJECT*
Sage is a modern career development platform that helps job seekers connect with top coaches and track their progress through tools like application tracking,… See More
EMPLOYMENT TYPE: Full-time
RATE: $
*ABOUT THIS PROJECT*
Sage is a modern career development platform that helps job seekers connect with top coaches and track their progress through tools like application tracking,… See More
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Bubble.io Developer for SaaS + Companion App MVP Any
Posted on 2025-09-27 21:18:39
- $5–8/hour depending on experience
We are a health-tech startup building a SaaS platform for adult day centers and a companion app for families and caregivers. We are looking for an experienced ---------- developer to build our MVP. The SaaS side will include secure staff… See More
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Google Docs API App Developer Any
Posted on 2025-09-26 08:07:42
- $10,000 php starting
We are building a set of custom tools around the Google Docs API/Infrastructure to help our clients make better use of Google Docs when writing for business.
This has ongoing longterm potential since there's a lot of cool things we… See More
This has ongoing longterm potential since there's a lot of cool things we… See More
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AI Automation & Operations Platform Developer Gig
Posted on 2025-09-18 08:47:04
- 3000
AI Automation & Operations Platform Engineer/Developer
About the Project
We are looking to build an AI-driven operations platform that references an internal database (to be designed and built) and provides a frontend for users. The platform will handle operational workflows… See More
About the Project
We are looking to build an AI-driven operations platform that references an internal database (to be designed and built) and provides a frontend for users. The platform will handle operational workflows… See More
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Contract Developer – Automations & No-Code Integrations Part Time
Posted on 2025-09-10 00:53:05
- 1500
Modern Law Practice (MLP) is looking for a contract developer to support our head of automations and development. This is a hands-on role for someone who can jump in quickly, learn fast, and help us build and improve automation-driven systems… See More
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App Developer – AI Flyer/Poster Generator Part Time
Posted on 2025-09-09 04:41:57
- 400
We’re building a new creative tool that empowers anyone to generate custom flyers and posters instantly using AI. The app will combine intuitive design with automation, giving users professional-quality results in just a few clicks.
Role
We’re looking for a… See More
Role
We’re looking for a… See More
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Back-End Developer Full Time
Posted on 2025-09-08 16:53:10
- 600-1000
Responsibilities:
Develop and maintain server-side application logic
Design and implement database structures and APIs
Ensure application performance, security, and scalability
Collaborate with front-end developers and other tea ---------- mbers
Provide ongoing maintenance and support post-implementation
Requirements:
Minimum 3 years of back-end… See More
Develop and maintain server-side application logic
Design and implement database structures and APIs
Ensure application performance, security, and scalability
Collaborate with front-end developers and other tea
Provide ongoing maintenance and support post-implementation
Requirements:
Minimum 3 years of back-end… See More
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API DEV Any
Posted on 2025-09-06 18:59:30
- $10/h
I am looking for a Dev who can help me connect GoHighLevel calendar to Cliniko.
The goal is to have users book appointments using the GHL calendar, and then have these appointments sync automatically in cliniko (and vice versa). See More
The goal is to have users book appointments using the GHL calendar, and then have these appointments sync automatically in cliniko (and vice versa). See More
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PT Web Programmer/Web Design + Management Part Time
Posted on 2025-09-03 08:14:13
- 4-7
I need a sharp, reliable VA to own the website design + management, do more complex coding, as well as simple site updates, and keep everything tidy, fast, and on-brand.
PT to start, potential for more hours as needed.
Details:… See More
PT to start, potential for more hours as needed.
Details:… See More
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Systems Engineer Full Time
Posted on 2025-08-29 23:26:29
- $1,000 base + Bonuses ($1,500/month on target earnings)
Role Overview
Automate processes, integrate software systems, and handle technical support for AI content generation & AI workflows. Additionally, propose and implement improvements to streamline fulfillment operations. The overall goal of this role is to help make our company more… See More
Automate processes, integrate software systems, and handle technical support for AI content generation & AI workflows. Additionally, propose and implement improvements to streamline fulfillment operations. The overall goal of this role is to help make our company more… See More
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GoHighLevel Saas Project Manager Full Time
Posted on 2025-08-29 03:42:52
- 35,000 – 45,000 / mo + performance bonuses.
Virtual Assistant (Philippines) — Dreams at Work™ Growth Agency
Status: Full?time, remote | Hours: 40 hrs/week with at least 4 hrs overlap in US Mountain
Time (Mon?Fri) | Compensation: 35,000 – 45,000 / mo + performance bonuses.
Why You’ll Love… See More
Status: Full?time, remote | Hours: 40 hrs/week with at least 4 hrs overlap in US Mountain
Time (Mon?Fri) | Compensation: 35,000 – 45,000 / mo + performance bonuses.
Why You’ll Love… See More
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Custom JavaScript Developer - Telnyx Call Button Integration for GHL CRM Gig
Posted on 2025-08-28 06:34:49
- 15
Overview:
We need a skilled JavaScript developer to create a simple, reliable script that injects a "Call" button into our GoHighLevel (GHL) CRM. The button should allow users to make outbound calls through our Telnyx VoIP service directly from the… See More
We need a skilled JavaScript developer to create a simple, reliable script that injects a "Call" button into our GoHighLevel (GHL) CRM. The button should allow users to make outbound calls through our Telnyx VoIP service directly from the… See More
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Automation Expert – One-Time System Setup (n8n + GPT-4 + Twilio + OctopusPro) Any
Posted on 2025-08-25 06:35:00
- 30000ph
???? Job Description:
We are a junk removal company based in Melbourne, Australia.
We’re building a full AI-powered quoting and dispatch automation system to save time and improve customer experience.
You will be responsible for setting up the system using… See More
We are a junk removal company based in Melbourne, Australia.
We’re building a full AI-powered quoting and dispatch automation system to save time and improve customer experience.
You will be responsible for setting up the system using… See More
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Automation Assistant – Twilio + GPT-4 + OctopusPro System Setup Gig
Posted on 2025-08-25 06:35:00
- 35000
We’re a leading junk removal business . We’re building a fully automated quoting, dispatch, and CRM system using tools like GPT-4 Vision, Twilio, and n8n. Your role is to set up and connect everything step-by-step with the owner (me).
This… See More
This… See More
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E-commerce PrestaShop Specialist (Front-End + API) Any
Posted on 2025-08-24 06:49:08
- $1200
360 Cycles is a bicycle retail store based in Dublin, Ireland, with a growing online presence. Our new e-commerce site is being developed on PrestaShop, and we are seeking a highly skilled full-stack developer to continue, complete, and improve the… See More
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Chat gpt or Copolit trainer Gig
Posted on 2025-08-23 08:30:34
- Negotiable
Hello, I am looking for someone who is familiar with creating Ai agent. I would like to create virtual agent for agency process and. I would to create each supervisor agent. I would like you to train me how to… See More
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Full-Stack Developer Part Time
Posted on 2025-08-22 12:22:44
- $10 - $15 per hour depending on experience. Also opportunity for longer term
About Us:
We are a fast-paced, dynamic creative agency, and we are seeking an exceptional Software & AI Developer to help us build a new AI tool designed to revolutionize the content creation process. We are looking for a talented… See More
We are a fast-paced, dynamic creative agency, and we are seeking an exceptional Software & AI Developer to help us build a new AI tool designed to revolutionize the content creation process. We are looking for a talented… See More
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Python Developer – AI Agent Backend (Long term role) Part Time
Posted on 2025-08-15 03:51:25
- $800
Role:
We’re a fast-growing AI startup looking for a Python Developer for a long-term role — someone patient, detail-oriented, and who enjoys solving challenges. You’ll set up and maintain the backend for AI agents that power our sales and marketing… See More
We’re a fast-growing AI startup looking for a Python Developer for a long-term role — someone patient, detail-oriented, and who enjoys solving challenges. You’ll set up and maintain the backend for AI agents that power our sales and marketing… See More
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Full Stack AI Voice Developer – AI Receptionist & Call Automation Any
Posted on 2025-08-12 12:11:43
- 600 - 1500 USD
About the Project
We’re building an AI-powered receptionist and call center automation system capable of answering inbound calls, making outbound sales calls, and handling general call center agent tasks. This system will combine open-source telephony (Asterisk), AI speech technologies (Whisper,… See More
We’re building an AI-powered receptionist and call center automation system capable of answering inbound calls, making outbound sales calls, and handling general call center agent tasks. This system will combine open-source telephony (Asterisk), AI speech technologies (Whisper,… See More
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Videogame Automation Gig
Posted on 2025-08-11 18:34:29
- $595 one time, possible ongoing
I am seeking a developer to create an app to automate tasks in MMO RPG game. It must function as a client capable of managing many game accounts simultaneously and as middleware between the game's Windows client (Unity, I believe)… See More