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Looking for a technical expert to build a custom workflow on n8n. Required Stack: • n8n (advanced logic & error handling) • OpenAI API integration • HTTP Request / Webhooks / API connections • Database management (Airtable or similar) The Project: Build a scalable infrastructure to connect lead data with AI-driven personalization and automated outreach. The system needs to be modular so it can be replicated easily. Detailed technical requirements and the specific workflow logic will be provided during the interview. To apply: 1. Send a screenshot or video of your most complex n8n workflow. 2. Tell me which hosting you recommend for n8n to ensure 99% uptime. 3. Quote me your price for a 30-day build & test period."
Prosjekt-ID: 40206749
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141 frilansere byr i gjennomsnitt €483 EUR for denne jobben

Hi there, I’ve read your Automatisation with agent ai and n8n project. I will deliver a modular, scalable n8n workflow that handles data intake, OpenAI-driven personalization, and automated outreach, with robust error handling and clear data contracts. With hands-on experience building advanced n8n automations, OpenAI integrations, HTTP endpoints, and Airtable-based data stores, I’ll design a reusable core and plug-in modules so you can replicate the setup across projects. The plan includes a secure hosting path for near-24/7 uptime, resilient retries, and thorough testing over a 30-day period. Next steps: interview to finalise the exact workflow, deliver a working prototype in 2 weeks, then iterate during the 30 days. What is the top priority for the initial MVP: data quality, speed of outreach, or error resilience? What is the exact data schema for the lead data and the required fields? Which hosting/environment do you prefer for n8n to ensure 99% uptime, self-hosted or managed? What OpenAI model and prompt strategy do you want for personalization, and do you have guidelines on content style and length? How should Airtable (or similar) be structured for leads, personalization, and outreach history? What are the expected throughput and load (leads per day, webhook events per hour) to plan scaling? What are your error handling and retry policies (max retries, backoff, alerting)? Do you require real-time webhooks or batch processing, and any rate limits from connected
€750 EUR om 21 dager
9,2
9,2

With almost two decades of web and app development expertise, CnELIndia is well-equipped to meet your needs head-on. We're incredibly proficient with n8n, having mastered its advanced logic, error handling, and HTTP Request capabilities. In fact, I'd love the opportunity to showcase our abilities by constructing a robust architecture for your lead data integration and AI-automated outreach workflow. As an open-minded agency, we understand that flexibility and scalability are paramount in this project. We prided ourselves on developing systems that can be readily replicated without compromising efficiency. Not only will we diligently fulfill the technical requirements provided during the interview, but we'll also bring our experience in modular design to the table. To ensure optimum performance with minimum downtime, I strongly advocate for AWS hosting for n8n. They have a proven track record of delivering continuous uptime and provide all-around security measures – perfect for this project's needs! Finally, regarding pricing: rest assured that given the 30-day build & test period complexity and the comprehensive nature of this work, you'll find our quotation to be both competitive and reflective of true value. Let's partner up for an automated future with powerful AI at your fingertips!
€500 EUR om 7 dager
9,1
9,1

⭐⭐⭐⭐⭐ Build Custom Workflows on n8n for Scalable Automation Solutions ❇️ Hi My Friend, I hope you are doing well. I've reviewed your project requirements and see you are looking for a technical expert to create a custom workflow on n8n. You don’t need to look any further; Zohaib is here to help you! My team has successfully completed 50+ similar projects for n8n workflows. I will build a scalable infrastructure to connect your lead data with AI-driven personalization and automated outreach. ➡️ Why Me? I can easily build your n8n workflow as I have 5 years of experience in automation and integration. My expertise includes n8n advanced logic, error handling, and API connections. Additionally, I have a strong grip on database management and OpenAI API integration. ➡️ Let's have a quick chat to discuss your project in detail and let me show you samples of my previous work. Looking forward to discussing this with you in chat. ➡️ Skills & Experience: ✅ n8n Workflows ✅ OpenAI API Integration ✅ HTTP Requests ✅ Webhooks ✅ API Connections ✅ Database Management ✅ Airtable ✅ Error Handling ✅ Modular System Design ✅ Automation Solutions ✅ Scalable Infrastructure ✅ Technical Documentation Waiting for your response! Best Regards, Zohaib
€350 EUR om 2 dager
7,9
7,9

I HAVE BUILT COMPLEX AUTOMATION WORKFLOWS USING N8N AND AI-DRIVEN INTEGRATIONS, INCLUDING MULTI-STEP ERROR HANDLING AND API CONNECTORS. Core Features: Advanced n8n workflows with modular, reusable nodes for lead data ingestion, AI-driven personalization (OpenAI API), and automated outreach. Webhooks, HTTP Requests, and external API integration for real-time data syncing. Database integration with Airtable (or your preferred DB) for storing leads, campaign status, and analytics. Error handling, logging, and retry logic to ensure workflow reliability. Modular architecture allowing easy replication of workflows for new campaigns or clients. Hosting Recommendation: For 99% uptime, I suggest deploying n8n on a managed cloud instance with Docker, e.g., AWS EC2 / DigitalOcean with persistent storage and auto-restart. Deliverables: Fully tested n8n workflows, documentation of node logic and setup, and 30-day build & QA period. I will provide full source and workflow backups, and support during deployment.
€300 EUR om 7 dager
7,2
7,2

Hi I can build a modular n8n workflow system that connects your lead data, database layer, and OpenAI-driven personalization into a scalable automation infrastructure. A key technical challenge is ensuring the workflow handles branching logic, retries, and API failures without breaking the automation chain. I address this by designing robust error-handling nodes, structured data validation, and clean webhook/API connections that keep every lead synchronized across services. Your outreach logic will run through OpenAI API steps with dynamic prompts, and the data will be stored in Airtable or another database with efficient lookups. The full setup will be replication-ready so you can clone, adapt, or scale the workflows for new projects easily. I can also advise on reliable hosting strategies to maintain uptime and smooth execution of scheduled and event-driven processes. Thanks, Hercules
€500 EUR om 7 dager
6,8
6,8

Hi there, I'm excited about the opportunity to assist you in building a custom workflow on n8n to enhance your lead data management with AI-driven personalization and automated outreach. With extensive experience in n8n, including advanced logic and error handling, I am confident in developing a scalable infrastructure tailored to your needs. My background includes OpenAI API integration, API connections, and database management using Airtable. I specialize in creating modular systems that are easy to replicate, ensuring that your workflow remains efficient and effective. To move forward, I can start the build and test phase promptly within 30 days. Could you share more about your preferred hosting options for n8n to ensure optimal uptime? Thanks,
€650 EUR om 30 dager
6,6
6,6

Hello Dear! I write to introduce myself. I'm Engineer Toriqul Islam. I was born and grew up in Bangladesh. I speak and write in English like native people. I am a B.S.C. Engineer of Computer Science & Engineering. I completed my graduation from Rajshahi University of Engineering & Technology ( RUET). I love to work on Web Design & Development project. Web Design & development: I am a full-stack web developer with more than 10 years of experience. My design Approach is Always Modern and simple, which attracts people towards it. I have built websites for a wide variety of industries. I have worked with a lot of companies and built astonishing websites. All Clients have good reviews about me. Client Satisfaction is my first Priority. Technologies We Use: Custom Websites Development Using ======>Full Stack Development. 1. HTML5 2. CSS3 3. Bootstrap4 4. jQuery 5. JavaScript 6. Angular JS 7. React JS 8. Node JS 9. WordPress 10. PHP 11. Ruby on Rails 12. MYSQL 13. Laravel 14. .Net 15. CodeIgniter 16. React Native 17. SQL / MySQL 18. Mobile app development 19. Python 20. MongoDB What you'll get? • Fully Responsive Website on All Devices • Reusable Components • Quick response • Clean, tested and documented code • Completely met deadlines and requirements • Clear communication You are cordially welcome to discuss your project. Thank You! Best Regards, Toriqul Islam
€300 EUR om 5 dager
6,0
6,0

Hi there, I'm experienced in CRM, JavaScript, Sales, and more. I'll create a scalable workflow on n8n integrating OpenAI API, webhooks, and database management for personalized outreach. Let's discuss the technical requirements further. What is the next step?
€500 EUR om 7 dager
6,0
6,0

I can design and build a modular, scalable n8n workflow that connects lead data with OpenAI-powered personalization and automated outreach, using robust error handling, webhooks, APIs, and Airtable (or similar) as the data layer. I’m comfortable with advanced n8n logic and production-grade setups, and I can support a full 30-day build and test cycle. I’ll share a complex workflow example, recommend reliable hosting for 99% uptime, and provide a clear fixed price during the interview.
€250 EUR om 5 dager
6,2
6,2

I’m a technical automation specialist with hands-on experience building production-grade n8n workflows that combine advanced logic, AI decisioning, and scalable data pipelines. I’ve designed systems very similar to what you’re describing connecting lead data, enrichment layers, AI-driven personalization, and automated outreach in a way that’s modular, reusable, and easy to extend. I’ve built complex n8n systems involving multi-API orchestration, AI-driven routing, lead scoring, enrichment, and automated outbound workflows. I’m happy to share screenshots or a short walkthrough video of advanced n8n workflows during the next step. I build n8n workflows as clean, composable modules, not monolithic flows. Each concern (ingestion, validation, AI processing, storage, outreach, error handling) is isolated so the system can be duplicated or modified with minimal effort.
€500 EUR om 12 dager
6,0
6,0

Hi client, I’ve carefully reviewed your job description and have strong experience in these Test Automation, CRM, Website Optimization, CSS, Web Scraping, CMS, PHP, HTML, Sales and JavaScript. I can build a reliable web scraping solution tailored specifically to your needs. Whether using Node.js with Puppeteer/Cheerio or Python with Selenium/BeautifulSoup, I will extract, clean, and organize your data efficiently. I also handle anti-bot protections, pagination, and full automation as required. As you can see from my profile, my web scraping reviews are excellent, reflecting my commitment to quality work. I focus on writing clean, maintainable, and scalable code because I know the difference between 99% and 100%. If you hire me, I’ll do my best until you’re completely satisfied with the result. Let’s discuss your target website and preferred data format. Thanks, Denis
€400 EUR om 7 dager
6,0
6,0

Hi there, A significant risk in AI-driven n8n workflows is the lack of robust error handling when API rate limits or LLM hallucinations occurs, which can break your entire outreach sequence. We resolve this by building modular architectures with sophisticated retry logic and validation nodes that ensure only high-quality, personalized data reaches your CRM. Here are our questions: * Do you have a preferred hosting environment like Hetzner or Railway for your n8n instance, or would you like us to set up a managed cloud solution for maximum reliability? * Will the AI agents require access to live external data through browsing tools or specific vector databases for more context-aware personalization? We have successfully deployed advanced n8n infrastructures that automate complex lead generation and personalization pipelines for global clients. We would be happy to share screenshots of our most intricate production workflows and technical setups in chat. Our commitment to your project includes thirty days of free support to monitor performance and fine-tune your automation logic. Let’s discuss your project today!
€750 EUR om 15 dager
5,7
5,7

! I’m confident I’ll be a great fit for your project "Automatisation with agent ai and n8n " as I have extensive experience in designing. I have 11 years of experience in Sales, Web Scraping, Test Automation, HTML, CMS, CSS, CRM, Website Optimization, JavaScript and PHP. Feel Free to look at Portfolio in the following link: https://www.freelancer.com/u/KayaCreation What We Offer!!!! ✔️ UNLIMITED DESIGN CONCEPTS (3-5 Initial Concepts) ✔️ UNLIMITED REVISIONS Until You Are 100% Satisfied ✔️ 1st Delivery within 24 to 48 hours ✔️ All copy right will be buyers property ✔️ We will provide final files .ai, .psd, .eps, .jpg, .png , .gif, .tif and gray scale files in a good resolution for print and web. ✔️ 100% Money Back Guarantee ✔️ Sales, Web Scraping, Test Automation, HTML, CMS, CSS, CRM, Website Optimization, JavaScript and PHP With regards, Kaya
€250 EUR om 1 dag
5,5
5,5

Hello nathan939, I am a seasoned developer with extensive experience in building custom workflows on n8n and integrating various APIs. I have successfully implemented projects similar to yours, leveraging advanced logic and error handling within n8n, integrating OpenAI API, managing databases, and setting up HTTP requests and webhooks. I am intrigued by your project requirements and am confident in my ability to deliver a scalable infrastructure that seamlessly connects lead data with AI-driven personalization and automated outreach. I have a proven track record of creating modular systems that are easy to replicate. To showcase my expertise, please visit my portfolio: https://www.freelancer.com/u/SajidaSaqira/SS-Technologies I look forward to discussing your project in more detail and answering your questions about n8n hosting recommendations and pricing for the build and test period. Best regards, Sajida Saqira Let's connect to discuss how we can bring your project to life.
€250 EUR om 7 dager
5,7
5,7

I’ve built complex n8n workflows connecting multiple APIs, including OpenAI and Airtable, for automated outreach systems. One recent project involved setting up modular workflows that handled error recovery smoothly and scaled easily as data volumes grew. For this setup, I recommend hosting n8n on DigitalOcean with a managed Kubernetes cluster or a similar cloud provider offering reliable uptime and easy scaling. This tends to keep downtime below 1% and supports backups and monitoring well. Could you clarify if the AI personalization will require dynamic prompt generation on each lead or more static templates? Also, will the database need real-time sync or batch updates? Based on the scope, a 30-day build and test phase would cost $XXX. I’m ready to start discussing the detailed workflow and technical requirements anytime.
€750 EUR om 7 dager
5,5
5,5

Hi there, I’ve reviewed your project for building a custom, modular workflow on n8n integrating OpenAI API, HTTP requests, and database management. With over 7 years in system deployment and automation, including intricate API integrations and maintaining scalable cloud infrastructures, I’m confident in delivering a robust solution that ensures AI-driven lead personalization and outreach automation. - Design and implement scalable, modular n8n workflows with advanced logic and error handling - Seamlessly integrate OpenAI API and manage webhooks for real-time data processing - Database setup and synchronization with Airtable or similar - Recommend and configure hosting for 99% uptime based on your needs - Provide full documentation and testing during the 30-day build phase **Skills:** ✅ n8n advanced workflow design & error handling ✅ OpenAI API integration ✅ HTTP request, webhooks, and API connections ✅ Database integration (Airtable or alternatives) ✅ Cloud infrastructure for high availability **Certificates:** ✅ Microsoft® Certified: MCSA | MCSE | MCT ✅ cPanel® & WHM Certified CWSA-2 I can start immediately and look forward to discussing your technical details and sharing my past complex n8n workflow examples. Which hosting environment are you currently considering, or do you prefer recommendations for a specific cloud provider to deploy n8n? Best regards,
€650 EUR om 30 dager
5,6
5,6

Hey, I’ve reviewed your project and understand you’re looking for a technical expert to build a scalable, modular n8n workflow that connects lead data with AI-driven personalization and automated outreach. The focus will be on clean architecture, advanced logic, solid error handling, and a setup that can be easily replicated for future use cases. I can design and implement an n8n-based infrastructure integrating OpenAI, webhooks, HTTP APIs, and a structured database layer such as Airtable. The workflow will be built with reusability in mind, using modular nodes, clear data contracts, retries, and logging to ensure stability and long-term maintainability. You’ll receive a production-ready workflow, tested over a full build cycle, with documentation explaining hosting, scaling, and future replication. Let’s connect so I can share complex n8n workflows I’ve built, recommend a hosting setup for high uptime, and align on pricing for the 30-day build and test period. Best regards, Muhammad Adil Portfolio: https://www.freelancer.com/u/webmasters486
€650 EUR om 10 dager
5,6
5,6

I can help you build this modular n8n infrastructure. For 99% uptime and scalability, I recommend hosting n8n on DigitalOcean via Docker. This setup allows for easy resource scaling, persistent storage for logs, and avoids the limitations of serverless cold starts which can break webhook triggers. Hidden Problem: Most AI outreach workflows fail because of "Context Pollution." Raw scraped data is often noisy, causing OpenAI to hallucinate or waste tokens on irrelevant HTML. I address this by implementing a JS Sanitization Layer between the scraper and the AI. This cleans the data into a structured schema before processing, ensuring higher personalization quality and significantly lower API costs. Architecture: I use a "Master-Sub" workflow logic. By decoupling the Data Ingestion, AI Personalization, and Outreach into separate sub-workflows, you can update your outreach tool or database without breaking the core AI logic.
€500 EUR om 7 dager
5,2
5,2

✋ Hi there. I can build a robust n8n workflow that connects your lead data to AI-driven personalization and automated outreach, fully scalable and modular for easy replication. ✔️ I have extensive experience designing advanced n8n automations with error handling, API integrations, and database connections (Airtable, PostgreSQL). I’ve integrated OpenAI APIs for dynamic content generation, handled complex multi-step workflows, and ensured systems remain maintainable and testable. ✔️ For your project, I will architect the workflow so leads are processed automatically, personalized via AI, and routed through your outreach channels. I’ll implement modular nodes, webhook triggers, and secure database management so each workflow can be copied or extended without breaking existing logic. ✔️ I will provide detailed documentation, end-to-end testing, and guidance on hosting (I recommend a cloud instance with Docker or managed n8n Cloud for 99% uptime) so your automation runs reliably. The build will include full logging, monitoring, and fallback handling to prevent data loss or failed executions. Let’s discuss your workflow requirements so I can deliver a ready-to-use, scalable automation in the 30-day period. Best regards, Mykhaylo
€500 EUR om 7 dager
5,4
5,4

Hello, I’m Muhammad Muneeb, a highly professional automation engineer with deep hands-on experience building advanced, production-grade n8n workflows using complex branching logic, retries, error handling, and modular design for easy replication. I’ve integrated OpenAI APIs extensively for AI-driven personalization, combined with HTTP requests, webhooks, and third-party APIs, while managing structured lead data in Airtable and similar databases. I can share screenshots/videos of my most complex n8n workflows directly in chat during the interview. For 99%+ uptime, I recommend self-hosted n8n on DigitalOcean or AWS with Docker, PM2, automated backups, monitoring, and webhook queueing. My quote for a full 30-day build, testing, optimization, and documentation phase is $1,200, ensuring scalability, stability, and clean handover.
€400 EUR om 3 dager
5,0
5,0

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