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Our current n8n proof-of-concept must evolve into a production-ready workflow platform focused on building the automation system itself. The core use cases are task automation and notification triggers, with Notion as a mandatory integration alongside the usual REST endpoints and possible Airtable or PostgreSQL data stores. What I need you to do • Refactor the existing POC workflows into clean, modular n8n flows and code nodes (JavaScript) that meet production standards. • Implement and thoroughly test the Notion integration plus any supporting REST/Notion/PostgreSQL connectors required. • Add multi-stage approval logic, robust error handling, and activity logging. • Harden security (credential management, RBAC, SSL) and ensure GDPR-aware data handling. • Containerise everything with Docker, deploy on a Linux server, and set up a staging → production pipeline that can scale horizontally. Tools & knowledge you will draw on n8n (workflows, webhooks, custom code nodes), JavaScript, Linux, Docker, REST APIs, Notion/PostgreSQL. Familiarity with low-code stacks such as NocoDB is a plus. How to move forward Send over 2–3 n8n projects you have shipped (brief description or screenshots), your rate, and your earliest availability. Short-listed profiles will join a 30-minute call and complete a brief paid test task before we lock in the contract. Hyderabad or Bengaluru time zones are preferred for collaboration, though strong remote candidates are welcome. Acceptance criteria • All specified workflows run reliably under load with zero unhandled errors. • Deployment is reproducible via Docker Compose (or similar) with clear README instructions. • Security checks pass an external audit review. • Documentation covers setup, environment variables, scaling steps, and rollback procedures.
Project ID: 40554684
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115 freelancers are bidding on average €480 EUR for this job

Hi there, I will refactor your n8n POC into modular, production-grade workflows with the Notion integration, multi-stage approval logic, error handling, and activity logging all wired up and tested under load. For deployment, I will containerise everything with Docker Compose, set up the staging to production pipeline on Linux, and document the full setup including environment variables, scaling steps, and rollback procedures. On a recent n8n project, adding structured error handling and retry logic to webhook-driven flows eliminated unhandled failures completely. I will apply the same pattern here. Questions: 1) Is the POC currently self-hosted or running on n8n Cloud? 2) For the PostgreSQL side, is that confirmed or still being evaluated against Airtable? Ready to start whenever you are. Kamran
€282 EUR in 13 days
8.5
8.5

Hi! This is exactly the kind of project we enjoy — taking a working POC and making it something you'd actually trust in production. The scope is clear and we're comfortable with the full stack: n8n, Docker, Notion, PostgreSQL, the approval logic, RBAC, the whole thing. A couple of things worth clarifying before we'd size the work properly: how many workflows are we talking about refactoring, and how complex is the approval logic — single-level sign-off or multi-party chains? Also, is the Linux server already provisioned or is that part of the job? We'd containerise with Docker Compose, set up the staging → prod pipeline, and handle the Notion + PostgreSQL connectors. Error handling and activity logging would be built in from the start, not bolted on after. On your request for past n8n projects — we don't do screenshots on Freelancer, but happy to walk through specifics on a call or by message, whichever works for you. Looking forward to hearing more about the current POC state so we can give you a grounded estimate. Gustavo & the DoTheCode team
€750 EUR in 15 days
7.9
7.9

⭐⭐⭐⭐⭐ Create Production-Ready n8n Workflows for Automation Systems ❇️ Hi My Friend, I hope you are doing well. I just reviewed your project requirements and see you are looking for a skilled developer to enhance your n8n proof-of-concept. Look no further; Zohaib is here to help you! My team has successfully completed over 50 similar projects focused on automation systems. I will refactor your existing workflows into clean, modular n8n flows, implement the Notion integration, and ensure everything meets production standards. ➡️ Why Me? I can easily manage your n8n project as I have 5 years of experience in automation systems, specializing in n8n workflows, JavaScript, and REST APIs. My expertise includes security management and Docker deployment. Additionally, I have a strong grip on PostgreSQL and Linux systems, ensuring a seamless workflow. ➡️ Let's have a quick chat to discuss your project in detail and let me show you samples of my previous work. I'm excited to help you with this project! ➡️ Skills & Experience: ✅ n8n Workflows ✅ JavaScript ✅ REST APIs ✅ Notion Integration ✅ PostgreSQL ✅ Docker ✅ Linux Server Management ✅ Error Handling ✅ Activity Logging ✅ Security Practices ✅ Multi-Stage Approval Logic ✅ GDPR Compliance Waiting for your response! Best Regards, Zohaib
€350 EUR in 2 days
7.9
7.9

Hello, I can help with your "n8n Workflow Automation Build & Deploy" project. I develop clean, maintainable PHP backends — core PHP and Laravel/Symfony, MySQL schema design, and well-structured REST APIs. For work involving php, javascript, linux, nosql couch & mongo, node.js, postgresql, docker, rest api, notion, n8n, I pay close attention to validation, security, and readable code, delivering in small, testable milestones. I provide clean commits and clear documentation. Could we discuss the specifics before I firm up the timeline? ⭐ 5.0/5 from a recent client: "Very Professional and On time delivery of the project" Final timeline and cost will be confirmed in chat after a complete understanding and documentation of the project expectations in detail.
€600 EUR in 14 days
7.5
7.5

Hello, It sounds like you're moving beyond a simple POC to establish a robust, operational automation platform. The goal is to have a centralized n8n instance that orchestrates tasks, integrates deeply with Notion as a core system of record, and processes data through stateful workflows that include multi-person approval gates and comprehensive error logging before interacting with other REST-based services. Technical approach: We'll structure flows using parent/sub-workflow patterns for modularity. Critical logic will be isolated in version-controlled JS code nodes. We'd use a dedicated PostgreSQL instance for robust logging and managing the state of long-running approval processes. The entire stack (n8n, DB, reverse proxy for SSL) will be containerized via Docker Compose for reproducible deployments. Core modules: - Trigger Gateway: A main workflow to receive all incoming triggers (webhooks, schedules) and route them to the appropriate processing sub-workflow. - Stateful Approval Engine: A module to pause execution, notify approvers, and wait for an external API call to resume or terminate the flow. - Notion Connector Library: Standardized sub-workflows for all required CRUD operations. - Global Error Handler: A dedicated workflow to catch unhandled exceptions, log context to PostgreSQL, and send alerts. Relevant systems: We have built numerous production-grade n8n systems. - Automation Lead Generator: An 8-agent AI pipeline in n8n integrating with MySQL and multiple APIs (Google, Vapi) for a fully automated sales process. - AI-Powered Slack Clarification Assistant: A complex n8n bot using custom code nodes, LangChain, and multi-step reasoning to convert Slack messages into structured plans. Implementation strategy: We'll begin by containerizing the current POC to create a stable dev baseline. The first sprint will focus on refactoring one core workflow into the modular pattern with full error handling. Next, we build the approval engine and database schema, followed by migrating the remaining workflows before setting up the staging/prod environments and documentation. Regards, Rohit
€250 EUR in 30 days
8.0
8.0

Transforming a fragile n8n POC into a secure, horizontally scaling production environment requires rigorous Docker containerization and clean JavaScript code nodes to prevent silent workflow failures. With 8+ years of full-stack Node.js, Linux, and API architecture experience (300+ projects), I specialize in deploying automated microservices and backend pipelines. I will refactor your existing workflows into modular, GDPR-compliant logic with robust error-catching, multi-stage approvals, and seamless Notion and PostgreSQL integrations. Beyond just connecting nodes, I will harden the security (SSL, RBAC) and containerize the entire n8n environment using Docker. This ensures your staging-to-production pipeline is fully reproducible and scales reliably under heavy webhook loads. Operating in GMT+3, I overlap perfectly with your preferred Bengaluru/Hyderabad time zones for real-time collaboration. I am available immediately for the 30-minute call and the paid test task. My rate is strictly milestone-based. To handle the horizontal scaling requirement, are we setting up n8n's queue mode with Redis on your Linux server, or do you plan to orchestrate this via Kubernetes? Best regards, Ahtesham
€750 EUR in 15 days
7.7
7.7

Your POC will fail in production the moment concurrent workflows hit shared credentials or your Notion API exceeds 3 requests per second. Without a queue layer and proper secret rotation, you are exposing API keys in logs and risking data leaks under GDPR. Quick questions - are you planning horizontal scaling with Redis-backed queues or will a single Docker instance handle your peak load? And does your Notion workspace enforce rate limits that require exponential backoff logic? Here is the architectural approach: - N8N WORKFLOWS: Refactor POC into reusable sub-workflows with isolated credential scopes, implement webhook retry logic with exponential backoff, and add structured error capture to PostgreSQL for audit trails. - NOTION + REST INTEGRATION: Build custom code nodes in JavaScript that batch Notion API calls under rate limits, validate webhook signatures, and sync bidirectionally with PostgreSQL using transaction locks to prevent race conditions. - DOCKER DEPLOYMENT: Containerize n8n with multi-stage builds, configure Docker Compose with separate staging/production networks, implement SSL termination via Traefik, and document zero-downtime rollback using volume snapshots. I have deployed 4 n8n platforms for SaaS clients processing 50K+ workflows monthly with sub-200ms latency. Let's schedule a 20-minute technical call to review your current POC architecture before you commit to a build timeline.
€450 EUR in 21 days
7.3
7.3

Hello, I’ve gone through your project details and this is something I can definitely help you with. I have 10+ years of experience in mobile and web app development, working with Flutter, Android, iOS, React, Node.js, and APIs. I focus on clean architecture, scalable code, and clear communication to ensure the project runs smoothly from start to finish. I will first review your requirements, suggest the best technical approach, and then proceed with development while keeping you updated at every stage. Here is my portfolio: https://www.freelancer.in/u/ixorawebmob I’m interested in your project and would love to understand more details to ensure the best approach. Could you clarify: What specific workflows do you envision needing the most robust automation? 1. Do you need this for mobile, web, or both? 2. Do you already have UI/UX designs or should we create them? 3. Will there be any third-party API or payment gateway integration? 4. What is your expected timeline for completion? 5. Are there any reference apps or websites you like? Let’s discuss over chat! Regards, Arpit Jaiswal
€250 EUR in 25 days
7.1
7.1

Hi I have extensive experience building automation workflows with n8n, including creating robust, scalable automation systems for task automation and notifications. My recent projects involve integrating Notion with REST APIs and PostgreSQL to automate data flow and trigger notifications efficiently. I am skilled in refactoring workflows into clean, modular n8n flows and developing custom JavaScript code nodes that meet production standards. I prioritize security, implementing credential management, RBAC, and SSL, while ensuring GDPR compliance. I am also experienced with Docker containerization and deploying automation platforms on Linux servers, setting up pipelines that support horizontal scaling. I am confident I can develop a reliable, maintainable automation platform aligned with your project requirements. Best, Justin
€500 EUR in 5 days
6.0
6.0

Hi As a skilled technical professional, my name is Mohit and I represent MAG Cloud Solutions - where unlocking your digital potential is our specialty. With an excellent track record in software development, we’re well-positioned to provide the tailor-made solution you're seeking for your n8n workflow automation platform. The experience I possess in working with Node.js and PHP aligns perfectly with the requirements of this project. I understand your need to refactor the existing proof-of-concept into a cleaner production-ready system and enhance its scalability, security, and overall performance. Having built full-stack applications across various industries, I've honed my skills in creating modular workflows, handling REST APIs, deploying on Linux servers (with emphasis on Docker), and integrating low-code stacks such as NocoDB. Our commitment to quality encompasses robust error handling & logging, multi-stage approval logic, security-oriented design (RBAC, SSL), GDPR-compliant data management, and comprehensive documentation - all factors crucial to ensuring your workflows run smoothly and securely over time. Given my expertise and commitment to excellence, selecting MAG Cloud Solutions will not only guarantee a reliable technological product but also a consistent dedication towards maximizing your digital potential. Let's have a chat about how we can elevate your automation system and soar towards digital success together! <character limit reached>
€1,500 EUR in 25 days
6.3
6.3

Hello, I can help transform your n8n proof-of-concept into a secure, production-ready automation platform with a strong focus on scalability, reliability, and maintainability. I have experience working with n8n, JavaScript, REST APIs, Docker, Linux deployments, and third-party integrations, including workflow orchestration, approval processes, error handling, and audit logging. I will refactor existing workflows into modular, reusable components, implement robust Notion and PostgreSQL integrations, add multi-stage approval logic, centralized logging, monitoring, and production-grade security practices. The solution will be containerized with Docker, deployed on Linux, and configured with a staging-to-production pipeline, complete documentation, and rollback procedures. I am comfortable participating in a technical discussion and paid assessment task, and I can provide details of relevant automation projects, availability, timeline estimates, and engagement options upon request. Regards, ALOP
€250 EUR in 3 days
6.5
6.5

With over 8 years of experience as a Full Stack Developer and Digital Solutions Expert, I’ve successfully executed plenty of complex projects, making me perfectly suited to build the n8n workflow platform you need. I’m well-versed in JavaScript, REST APIs, and essential tooling like Docker and Linux. In fact, I've previously worked on n8n projects, just like yours! Specific to your project needs, I bring deep expertise in building robust automation systems with custom code nodes. Your multi-stage approval logic and error handling requirements are right up my alley. What sets me apart is how I balance my coding skills with a keen eye for security - vital for the credential management and GDPR-aware data handling you seek. My projects have repeatedly passed external audit reviews - testimony to my dedication to robust project delivery. For your substantial vision to be realized effectively, it requires an experienced hand that can handle heavy tasks with ease. With over 100 successful projects under my belt, including API development and integrations similar to your demands, I've continually delivered fast results without compromising quality or scalability – just what you need for this exciting endeavor! Let's get on a call so that we can discuss your project requirements further - I look forward to collaborating with you soon!
€450 EUR in 7 days
6.4
6.4

Your POC refactor and production rollout is a clear path to creating a solid automation platform. I’ve helped a client streamline multiple n8n workflows that triggered notifications and approvals via Notion, integrating PostgreSQL for dynamic data updates. We built modular code nodes with error handling and logging that caught all edge cases, cutting deployment bugs to zero. For your needs, I’d first break down the POC into modular workflows, clean up the JavaScript code nodes to meet n8n best practices, then layer in multi-stage approvals and robust error tracking. To ensure GDPR compliance and security, I’d implement encrypted credential storage, role-based access control, and SSL in Docker containers. Setting up a reproducible staging → production pipeline using Docker Compose on Linux makes scaling straightforward. A quick question: How complex is your approval logic? For example, do approvals depend on dynamic request data or fixed roles? Also, do you already have a preference for managing secrets in the Docker environment (e.g., Docker secrets vs environment vars)? I’m ready to review your existing workflows and get started on containerization and testing immediately. Let’s push this to production with confidence.
€750 EUR in 7 days
6.0
6.0

Hi, I reviewed **n8n Workflow Automation Build & Deploy** and I'm confident I can deliver exactly what you're looking for. With hands-on experience in **PHP, JavaScript, NoSQL Couch & Mongo, Node.js, PostgreSQL**, I build professional, scalable, and user-focused solutions that are designed for performance and growth. I believe in clear communication, quality work, and on-time delivery. I'd love to discuss your project and share ideas that can add even more value. View some of my previous work: Looking forward to hearing from you.
€600 EUR in 14 days
5.8
5.8

✋ Hi there. I can refactor your n8n POC workflows into a production-grade platform with modular architecture, Notion integration, and secure Docker deployment. ✔️ I have rich experience building production n8n automation systems and recently delivered a similar multi-agent workflow with Notion, PostgreSQL, and REST APIs. I will develop this by implementing modular JavaScript Code nodes for custom logic, integrating Notion via their REST API with full CRUD operations, building a multi-stage approval flow with conditional routing and AI-assisted decision points, adding robust error handling with retry logic, and containerizing the entire stack with Docker Compose for horizontal scaling. Please click the 'Chat' button to start our valuable conversation. Looking forward to collaborating with you! Best regards, Mykhaylo
€500 EUR in 7 days
5.5
5.5

I can transform your n8n POC into a production-ready automation platform with modular workflows, Notion/REST/PostgreSQL integrations, approval flows, robust error handling, Docker-based deployment, and secure, scalable architecture backed by clear documentation.
€250 EUR in 4 days
5.1
5.1

Hi, We will refactor your n8n POC into production-grade modular workflows: Notion integration, multi-stage approval logic, error handling, and activity logging. For the approval flows, we will use n8n webhook nodes paired with conditional branching so each stage writes its status back to Notion. This keeps a single source of truth and makes debugging straightforward. Docker Compose will handle staging and production with horizontal scaling via replicas. A couple of quick things to confirm: 1) Is PostgreSQL already in use, or is Notion the sole data store today? 2) Do you need RBAC at the n8n instance level, or within the workflow logic itself? The number quoted here is a starting estimate. The exact cost and timeline will be confirmed after we go through the full scope together. Ready to start whenever you are. Faizan
€278 EUR in 13 days
5.3
5.3

★•══•★ Hi client ★•══•★ I have experience building production-ready n8n automation systems with JavaScript code nodes, webhooks, REST APIs, Notion, PostgreSQL, Docker, Linux deployments, and secure workflow architecture. My approach will be: ✔️ First, I will audit your current n8n POC and refactor it into clean, modular workflows with reusable code nodes, proper logging, and clear error paths. ✔️ Then, I will implement and test the Notion integration, approval logic, notification triggers, REST/PostgreSQL connectors, and activity tracking. ✔️ Finally, I will harden credentials, RBAC, SSL, and GDPR-aware data handling, then containerize and deploy the platform with Docker Compose plus staging/production documentation. I have worked on n8n workflow platforms, API automations, Notion-connected systems, database-backed triggers, and Linux/Docker deployments with a focus on reliability and maintainability. One key question: Is your current n8n instance self-hosted already, or should I set up the full Docker-based staging and production environments from scratch? Best regards. Rico
€400 EUR in 5 days
5.1
5.1

I HAVE A QUESTION: To better estimate the refactoring effort, could you share the approximate number and complexity of the workflows in your current POC? I understand your requirements for a production-ready n8n workflow platform. With my extensive experience in JavaScript, Docker, and building scalable backend systems, I’m confident I can deliver a robust solution. As you requested examples of n8n projects, one of my recent projects involved building an internal automation hub with n8n. The system supports: - Automated data syncing from REST APIs to Notion databases. - Multi-step approval workflows with robust error handling and notifications. - The system was containerized with Docker and deployed on a Linux server. This experience is directly relevant to your project, especially regarding modular workflow design, Notion integration, and deploying containerized n8n instances in a production environment. I focus on building systems that are: Scalable and production-ready Secure and maintainable Easy to extend and evolve My approach is agile, detail-oriented, and goal-focused. Let’s connect and discuss how we can bring your project to life. Best regards, Philip Oyedoyin
€250 EUR in 7 days
4.9
4.9

Hi With my extensive experience in software development, specializing in web and mobile applications, I believe I am the ideal candidate for your n8n Workflow Automation project. Over the span of 14 years, I have successfully completed over 400 projects, many of which share similarities with what you are asking for. Specifically, my proficiency in Node.js, JavaScript, Linux, PHP, and PostgreSQL aligns perfectly with the core requirements of your project. Not only can I deliver clean and modular code that adheres to production standards but also implement necessary integrations like Notion, REST/Notion/PostgreSQL connectors as well as multi-stage approval logic. My background includes robust error handling, activity logging and much more. Security is yet another important facet which I handle diligently by rigorously managing credentials and complying with GDPR requirements. Additionally, containerizing through Docker and deploying on Linux servers is a task that falls within my comfort zone. Moreover, I am well-versed in setting up staging to production pipeline that can scale horizontally. All these attributes combined make me an excellent fit for your n8n Workflow Automation Build & Deploy project. With my focused dedication to client satisfaction and proven track record of delivering reliable solutions under load with zero errors, I am excited to offer my skills and expertise to this project.
€1,000 EUR in 35 days
5.0
5.0

Vienna, India
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