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We are an AI automation agency helping appointment-based service businesses—including HVAC, plumbing, electrical, medspas, dental practices, and healthcare clinics—streamline operations and recover lost revenue through AI-powered automation. We're looking for a talented n8n Automation Developer to build scalable automation systems, integrate AI tools, and create reliable workflows that improve our clients' businesses. Responsibilities Design, build, and maintain automation workflows using n8n Integrate third-party applications using REST APIs, webhooks, and OAuth Connect CRMs, calendars, email platforms, and AI services into seamless workflows Build AI-powered automations using OpenAI, Claude, or similar LLM APIs Configure and optimize GoHighLevel CRM automations and pipelines Troubleshoot, optimize, and maintain existing workflows Document workflows and create reusable automation templates Collaborate with the founder to develop scalable client solutions Requirements Proven experience building workflows with n8n Strong understanding of REST APIs, webhooks, JSON, and OAuth authentication Experience integrating AI APIs such as OpenAI or Claude Experience with GoHighLevel CRM and automation Familiarity with Google Workspace integrations (Gmail, Google Sheets, Google Calendar) Strong troubleshooting and problem-solving skills Excellent written English and communication Ability to work independently and deliver high-quality work Nice to Have Experience with Twilio, Resend, or similar messaging/email platforms Experience with Thinkrr, Vapi, [login to view URL], or other AI voice platforms Familiarity with Docker, VPS environments, or self-hosted n8n Experience building automation systems for agencies or service-based businesses What We Offer Long-term collaboration opportunities Flexible remote work Interesting AI automation projects Opportunity to work directly with the founder Competitive compensation based on experience Please include the following in your application: A brief introduction about yourself Your experience with n8n Examples or screenshots of automation workflows you've built Any experience with AI APIs (OpenAI, Claude), GoHighLevel, or voice AI platforms Your availability and expected hourly or monthly rate We're looking for someone who enjoys solving problems, building scalable automation systems, and takes pride in delivering clean, reliable workflows. If that sounds like you, we'd love to hear from you!
Project ID: 40630272
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199 freelancers are bidding on average $18 USD/hour for this job

Hi, I work a lot with workflow automation and this is very much in line with my experience. I can help you build reliable n8n automations, connect APIs/webhooks/OAuth, and handle AI integrations with OpenAI or Claude along with GoHighLevel workflows. I also focus on making systems reusable and clean so they scale well across multiple client accounts. Happy to discuss your current stack and availability through the platform.
$20 USD in 40 days
9.8
9.8

With a background in n8n workflow development and integrating AI tools like OpenAI, I'm well-equipped to streamline operations for appointment-based service businesses. I'm excited about the opportunity to build scalable automation systems and workflows that boost efficiency and revenue for your clients. How crucial is seamless integration with Google Workspace applications like Gmail and Google Calendar for your AI automation projects? Regards, Yogesh Kumar
$15 USD in 33 days
8.5
8.5

Hi, I’d be happy to help with your n8n automation projects. I have experience building API/webhook-based workflows, connecting CRMs, calendars, email platforms, and AI services, and working with tools like OpenAI to automate repetitive business processes. I can build, troubleshoot, and optimize n8n workflows while keeping them reliable, reusable, and easy to maintain. I’m also comfortable working with REST APIs, JSON, OAuth, Google Workspace, and third-party integrations. I’m available for long-term collaboration and can share relevant workflow examples/screenshots. **Availability:** Flexible **Rate:** Open to discussing based on the workload and requirements. Best regards, Muhammad Rizwan LA
$20 USD in 40 days
8.2
8.2

Hi, I can see the hidden problem here: your clients don’t need more automations, they need workflows that quietly prevent missed leads, messy handoffs, and revenue leaks. I’ve built API-driven automations, CRM workflows, and AI-assisted systems with PHP, REST APIs, webhooks, GoHighLevel, and OpenAI-style integrations, so I can help you create clean, scalable n8n workflows that stay reliable as you grow. I’ve shared an initial estimate based on your description, and once we go over a few technical or functional details, I’ll confirm the exact cost and delivery schedule. I can also help structure reusable templates, error handling, and documentation so your team can maintain everything smoothly. If helpful, I can start by reviewing one workflow and mapping the fastest path to a stable system, then expand from there. Which workflow should we automate first to maximize recovered revenue? Thanks, Asad
$15 USD in 12 days
8.3
8.3

Hi, I'd be excited to join your team as an **n8n Automation Developer** and help build scalable AI-powered automation systems for appointment-based service businesses. I enjoy designing reliable workflows, solving integration challenges, and creating reusable automation solutions that deliver measurable business value. I'm available for long-term collaboration and can work independently. **Experience** I have extensive experience building automation workflows using **n8n**, integrating REST APIs, webhooks, OAuth authentication, AI services, CRMs, and third-party platforms. I've developed automations involving lead capture, appointment scheduling, AI-powered customer interactions, email and SMS workflows, Google Workspace integrations, CRM synchronization, and custom API connections. My experience includes working with: * n8n workflow automation * OpenAI and Claude API integrations * GoHighLevel CRM workflows and pipeline automation * Gmail, Google Sheets, Google Calendar, and Drive integrations * REST APIs, JSON, OAuth, and Webhooks * Twilio, Resend, SMTP, and email automation * Docker deployments and self-hosted automation environments * AI-powered business process automation for service-based businesses **Availability** I can start immediately and am available for ongoing, long-term collaboration. **Hourly Rate** 17USD/hour for you. I look forward to discussing with you Regards
$17 USD in 40 days
7.6
7.6

Hello, I understand you're looking for an experienced **n8n Automation Developer** who can build scalable AI-powered workflows, integrate GoHighLevel, OpenAI/Claude, and third-party APIs to streamline business operations for your clients. With 13+ years of experience, I have expertise in **n8n, GoHighLevel, OpenAI/Claude APIs, REST APIs, webhooks, OAuth, Google Workspace, Twilio, and AI automation**. I build clean, scalable, and reusable workflows with comprehensive documentation for long-term maintenance. I follow an Agile development approach, provide regular progress updates, deliver well-documented code and workflow templates, and include **2 years of free ongoing support**. I'm available to start immediately and would love to build a long-term partnership with your agency. Best regards, Christina
$15 USD in 40 days
7.8
7.8

Greetings, I am an n8n automation specialist with AI integration expertise. I'll design scalable automation workflows for appointment-based service businesses, integrate CRMs, calendars, email platforms, and AI APIs like OpenAI and Claude, configure GoHighLevel pipelines, and build reliable systems for HVAC, plumbing, dental, and healthcare clients. I have proven n8n experience, REST API proficiency, and AI automation knowledge. What's your current client pipeline and priority automation use cases? Better we do a quick chat to ensure few things about the task. Ping me when you're available.
$15 USD in 40 days
7.3
7.3

Understanding the need for streamlined operations in appointment-based services, our team excels in creating scalable automation systems that integrate AI tools effectively. We prioritize enhancing client workflows to recover lost revenue through tailored solutions. With proven experience in n8n, we will design and maintain automation workflows while seamlessly integrating third-party applications via REST APIs and webhooks. Our approach will include optimizing GoHighLevel CRM automations to ensure smooth operations across all platforms. Our expertise with OpenAI and Claude APIs allows us to build AI-powered automations tailored to your specific needs. Also, communication, quality, and on-time delivery are priorities. If you'd like, I can also share similar work we've completed and discuss the best approach for your project. Regards, JP
$15 USD in 7 days
6.8
6.8

Hi there, I'm excited about the opportunity to contribute to your AI automation agency by developing scalable workflows with n8n. My experience with REST APIs, webhooks, and JSON will enable me to seamlessly integrate third-party applications and create reliable automation systems tailored for appointment-based services. I have previously integrated AI tools like OpenAI into automated workflows, ensuring efficient operations for clients across different industries. I'm ready to start immediately and look forward to working closely with you to deliver high-quality solutions. Your satisfaction is my priority and I guarantee that I will deliver you a high-quality result. Regards, Ali
$15 USD in 1 day
6.4
6.4

With over eight years in the data analytics and science field, my expertise extends beyond just building workflows; I specialize in extracting actionable business insights. My skills with APIs, REST API, webhooks, JSON, and OAuth authentication pair seamlessly with my ability to design, integrate and maintain workflows using n8n. I'm also experienced in building automation systems for service-based businesses which aligns perfectly with your agency's vision. Moreover, I have prior experience integrating AI APIs including OpenAI and Thinkrr and working extensively with Google Workspace integrations (Gmail, Google Sheets, Google Calendar). This showcases my ability to fluently navigate through multiple platforms that we might encounter during our work together. To add on, my deep understanding of CRMs and automations extends to GoHighLevel CRM as well. I assure you that my focus on clean structures and delivering high-quality work aligns well with your need to develop reusable automation templates and optimize client solutions. Partnering with me guarantees not only a proven track record but also a powerful mix of problem-solving skills within the realm of data automation and AI integrations. I am excited about the possibility of contributing to interesting AI automation projects on a long-term basis while enjoying the flexibility of remote work.
$15 USD in 40 days
6.6
6.6

Hi, I’ve worked on automation projects involving workflow design, API integrations, and AI-powered solutions, so I understand the challenges of building reliable systems that reduce manual work and improve business operations. Similar projects require careful planning to ensure integrations between CRMs, calendars, messaging tools, and AI services work smoothly without creating workflow issues. My approach is to build scalable n8n workflows using APIs, webhooks, and AI integrations while keeping each automation documented and reusable. I’ll focus on creating reliable systems for lead management, appointment flows, CRM automation, and revenue recovery processes. I can help with workflow development, troubleshooting, GoHighLevel integrations, AI API connections, and ongoing optimization to deliver clean, maintainable automation systems. Best Regards, Fizza
$15 USD in 40 days
6.2
6.2

I’ve helped agencies and service businesses streamline scheduling and client follow-ups using n8n workflows integrated with GoHighLevel and OpenAI APIs. For example, one HVAC client recovered lost bookings by automating appointment reminders and lead segmentation through AI-driven messaging. I’ll design scalable, reliable workflows connecting CRMs, calendars, email, and AI tools to reduce manual work and boost client revenue. I’m comfortable with REST APIs, webhooks, OAuth, and can optimize existing automations quickly based on similar projects. A quick question: Do you prefer self-hosted n8n setups for better control, or cloud-based for easier scaling? Also, are there specific AI voice platforms you'd like to include beyond OpenAI and Claude? Ready to start building automation that lets your clients focus on their core services while systems run smoothly behind the scenes.
$15 USD in 7 days
6.0
6.0

Your n8n workflows will fail under client load if error handling isn't built into every API call from the start. Most agencies discover this after their first 1,000-user campaign when GoHighLevel webhooks start timing out and OpenAI rate limits kick in. Quick questions - are you self-hosting n8n or using cloud, and what's your current strategy for handling API failures when OpenAI or GoHighLevel goes down? Here is the architectural approach: - N8N WORKFLOW DESIGN: Build fault-tolerant automations with retry logic, exponential backoff, and dead letter queues so client campaigns never silently fail - GOHIGHLEVEL + AI INTEGRATION: Connect CRM pipelines to OpenAI/Claude APIs with token optimization and response caching to stay under rate limits at scale - API ORCHESTRATION: Implement webhook validation, OAuth refresh token handling, and async processing for Twilio/Resend so high-volume sends don't bottleneck I've built similar automation stacks for 4 service-based agencies that process 10K+ monthly workflows without breaking. Let's schedule a 15-minute call to review your current n8n setup and identify bottlenecks before scaling.
$18 USD in 30 days
6.3
6.3

Hello dear, Greetings from Md. Toriqul Islam! We are a dedicated Web Design & Development team with over 10+ years of industry experience, I’m Engineer Toriqul Islam, an experienced Computer Science & Engineering graduate from (RUET). We specialize in building modern, scalable, and user-friendly digital solutions tailored to business needs. What I Offer We help businesses grow online by delivering: • Clean, modern, and responsive website designs • High-performance and scalable web applications • User-focused UI/UX for better engagement and conversion My Technical Expertise We work across a wide range of technologies, including: • Frontend: HTML5, CSS3, Bootstrap, JavaScript, jQuery, Angular, React • Backend: Node.js, PHP, Laravel, .NET, CodeIgniter, Ruby on Rails, Python • CMS & Platforms: WordPress • Database: MySQL, MongoDB • Mobile Development: React Native, Flutter, and more Why Choose me? ✔️ Clean, optimized, and well-documented code ✔️ Reusable and scalable components ✔️ On-time delivery with complete requirement fulfillment We are confident in our ability to turn your ideas into a powerful digital product. Let’s discuss your project and make it a success. Looking forward to working with you! Best Regards, Md. Toriqul Islam
$20 USD in 40 days
6.1
6.1

Hi, I’ve worked on similar automation and AI integration projects, so I understand the importance of building reliable workflows that save time and improve business operations. The main challenge with automation systems is creating scalable workflows that connect multiple tools without failures or manual fixes. My approach is to design clean n8n workflows, properly handle APIs, webhooks, and authentication, and build AI driven solutions that deliver consistent results. I’ll develop and maintain n8n automations, integrate CRM, calendars, email platforms, and AI services while optimizing GoHighLevel workflows where needed. I’ll also troubleshoot existing systems, document workflows, and create reusable automation templates for future client projects. My focus is on building stable, scalable automation systems that help your agency deliver better solutions to service businesses. Best Regards, Muhammad Saad K
$15 USD in 40 days
5.7
5.7

As an accomplished full-stack developer with a diverse range of skills, I strongly believe I'm the ideal candidate for your n8n Automation Developer role. Having successfully completed over 120 projects since 2018, my expertise traverses web and mobile app development, AI automation, as well as software architecture. My experience with n8n and AI APIs such as OpenAI aligns perfectly with your requirements. One of the highlights of my professional journey has been creating seamless and efficient workflows using Python, n8n, Zapier, and Make. Harnessing the power of these tools coupled with my knack for effective problem-solving and troubleshooting, I've devised elegant solutions for report generation, web scraping, document processing and scheduling pipelines etc. Key to my approach is a thorough understanding of business objectives followed by efficient system design and meticulous execution to ensure long-term growth. Additionally, my exposure to a wide variety of industries like healthcare, logistics and finance means I can appreciate the unique intricacies each industry requires in designing automation systems. So not only would I bring to you a deep skillset but also a keen sensitivity to understand your clients' specific needs. Given the opportunity to work directly with you on this project, my commitment to delivering clean, reliable workflows will translate into optimized integrations & fewer hitches for your clients' businesses.
$20 USD in 40 days
5.6
5.6

Your clients rely on automation to recover missed revenue and reduce manual work, so every workflow needs to be reliable long after it's deployed. That means building systems that handle edge cases, integrate cleanly with existing tools, and are easy to maintain as your agency scales. My approach is to design modular n8n workflows that connect CRMs, calendars, email platforms, and AI services through REST APIs, webhooks, OAuth, and JSON-based data handling. Where GoHighLevel is involved, I'll build automations around pipelines, lead management, and follow-up sequences, while leveraging OpenAI or Claude for AI-driven tasks such as lead qualification, appointment handling, and customer communication. Each workflow will be documented, tested with failure scenarios, and structured as reusable templates so new client deployments are faster and more consistent. I'm also comfortable working with Google Workspace integrations, troubleshooting existing automations, and collaborating through Git, shared documentation, and regular progress updates. If required, I can work with self-hosted n8n, Docker/VPS environments, and messaging platforms such as Twilio or Resend as part of larger automation ecosystems. I'm happy to share relevant workflow examples, screenshots, and discuss previous AI automation projects during our conversation.
$15 USD in 40 days
5.8
5.8

I’m a full-stack developer with strong experience building n8n automation workflows, AI-powered integrations, and API-driven systems that help businesses eliminate manual work and scale operations. I've developed workflows integrating OpenAI APIs, webhooks, REST APIs, Google Workspace, CRMs, and third-party services with robust error handling, logging, and reusable architecture, and I'm comfortable working with self-hosted n8n, Docker, and GoHighLevel-style automation environments. I'm available for long-term collaboration and can quickly contribute to client projects with clean, maintainable workflows.
$15 USD in 40 days
4.9
4.9

From appointment-based service businesses to healthcare clinics, I build n8n automations that recover lost revenue by connecting calendars, email, CRMs, and AI into reliable, scalable workflows. I focus on clean workflow structure, robust error handling, and OAuth/REST API integrations so triggers run consistently and data stays accurate. I’ve implemented end-to-end automations using n8n (webhooks, JSON transformations, and third-party integrations), including AI-driven steps with LLM APIs such as OpenAI/Claude for routing, summarization, and response logic. I also build practical CRM automation pipelines, especially with GoHighLevel-style workflows, so leads move seamlessly through stages with timely notifications. For Google Workspace environments, I integrate Gmail, Google Sheets, and Google Calendar to automate follow-ups, logging, and scheduling with dependable sync. I collaborate directly with founders and document workflows into reusable templates, enabling long-term scalability across clients and reducing maintenance overhead.
$20 USD in 25 days
5.0
5.0

Hey there! I'm really pumped about this opportunity! I recently led a project with similar challenges and nailed it. Drawing from my experience in PHP, Website Design, Software Architecture, JSON, API Integration, REST API, OpenAI, n8n, GoHighLevel, AI Automation, I’m ready to dive into your project. Please come over chat and discuss your requirement in a detailed way. Cheers, Vishal Maharaj
$25 USD in 40 days
5.0
5.0

Lucena City, Philippines
Member since Nov 15, 2023
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