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Backend Developer (Node.js/MySQL) – Integration of an Agricultural Management System (Frontend 85% Ready) Project Description: I am looking for a skilled Backend Developer to finalize an Agricultural Management Software called IRRIGO. The project is already well-advanced: 85% of the Frontend (HTML5/CSS3/JS) is complete, and the SQL Database Schema is already defined. Your task will be to build the "brain" (Backend) and connect the existing UI to a MySQL database. Technical Stack: Frontend: HTML5, CSS3, Vanilla JavaScript (Ready). Backend: Node.js with [login to view URL] (Required). Database: MySQL (Schema already defined). Key Responsibilities: API Development: Create RESTful APIs to handle CRUD operations for: Registry (Anagrafiche): Customers, Suppliers, and Logistics (multiple addresses). Operators (Personnel): Employee profiles, certifications, and contract details. Frontend Integration: Connect the existing HTML pages to the backend using fetch or axios. File Management: Implement a secure PDF upload system for signed contracts and certifications (storing files on the server/local folder). Database Implementation: Set up the MySQL database using the provided SQL script. Notifications: Set up a basic mailer (Nodemailer) to trigger emails to employees directly from the dashboard. What I will provide: Complete UI (HTML/CSS/JS files). Complete SQL DDL script (Table structures and relationships). Logical flow of the application. Estimated Work: This is a small-to-medium project. I expect this to be completed within 10-15 days. Budget & Terms: Fixed Price only. (Please quote for the whole project). Code must be clean, modular, and well-commented. A brief handover session/documentation for my internal engineer is required.
Proje No: 40076336
163 teklifler
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163 freelancer bu proje için ortalama €557 EUR teklif veriyor

Hello! I can finalize IRRIGO by building a clean, well-structured Node.js backend and wiring your existing frontend directly to a solid MySQL data layer. Since your UI and schema are already defined, my focus would be on making the system reliable, secure, and easy for your internal engineer to maintain. Here’s how I’d approach it: • Node.js + Express backend with clear, modular REST APIs mapped exactly to your existing SQL schema • CRUD APIs for Registry (customers, suppliers, logistics with multiple addresses) and Operators (profiles, contracts, certifications) • Frontend integration using fetch/axios, keeping your current HTML/JS structure intact • Secure PDF upload handling (contracts, certifications) with proper validation and organized server-side storage • MySQL setup using your provided DDL, including relationship checks and indexing where needed • Nodemailer integration to trigger dashboard-based email notifications to employees Deliverables you’ll get: • Complete backend source code (clean, commented, modular) • Connected and working frontend flows • File upload + email features fully tested • Short handover documentation and walkthrough session for your engineer Let’s open the chat and review the schema, key flows, and any edge cases before I lock the estimate. best regards Jasmin
€500 EUR 7 gün içinde
9,4
9,4

Hello, I will finish IRRIGO's backend with a clean, modular Node.js/Express layer that links your 85% done frontend to the defined MySQL schema. I will build RESTful APIs for Registry (Customers, Suppliers, Logistics with multiple addresses) and for Operators (employee profiles, certifications, contracts). A secure PDF upload system will store files on the server, and the API will be designed for safe handling and access control. I will wire the existing HTML/CSS/JS frontend to these APIs via fetch or axios, initialize the database with your SQL script, and add a basic Nodemailer-based notification workflow for employees. Deliverables include well-commented code, documentation, and a straightforward handover for your internal engineer. This fixed-price package fits your budget and a practical 12-day delivery window with QA and deployment notes. Which hosting/deploy steps do you prefer for the Node.js backend (server OS, Docker, hosting service) and what is the expected deployment workflow? What authentication/authorization approach do you want for the APIs (JWT, OAuth2) and what roles? What file upload specs do you require for PDFs (size limits, storage, security, retention) and how should files be organized? What are the email notification flows (templates, triggers, SMTP settings) and how should bounce handling be managed? Do you require API versioning, logging, monitoring, and error reporting standards for the backend? Best regards,
€750 EUR 19 gün içinde
9,2
9,2

Hello, I’d be glad to finalize the backend for IRRIGO and connect your existing frontend to a robust, well-structured Node.js/MySQL backend. I’m a Backend / Full Stack Developer with 8+ years of experience, including multiple data-driven systems where the frontend was already in place and required clean API integration. -> Scope & Approach - Since your UI and database schema are already defined, I will focus on building a clean, modular backend that acts as the application’s core logic. -> Backend (Node.js + Express): 1. Design and implement RESTful APIs for all required modules: 2. Registry (Anagrafiche): Customers, suppliers, logistics with multi-address support 3. Operators: Employee profiles, certifications, contracts 4. Follow MVC or service-based architecture for clarity and maintainability -> Frontend Integration: 1. Connect existing HTML/JS pages to the backend using fetch or axios 2. Ensure consistent request/response handling and error states -> Timeline & Terms 1. Fixed-price delivery 2. Estimated completion: 10–15 days, aligned with your expectations 3. Regular progress updates during development If you’d like, we can quickly review the SQL schema and logical flow to confirm scope before starting. I’m ready to begin as soon as access is provided. Best regards, Sunil
€300 EUR 10 gün içinde
7,8
7,8

Hi there, i have experience in web development, i can complete the backend coding and integrate frontend. Thank you for your time and looking forward to hear from you
€750 EUR 15 gün içinde
7,7
7,7

Hi, I read that all carefully and would love to complete your IRRIGO for all the CRUDs and rest I am Confident MERN Stack Developer and have 9+ years of expertise in field, delivered tons of CRMs, CMS, ERPs and much more I also have great expertise working with APIs, ReactJS, Custom JS, Ajax and much more ... Let's connect via chat to discuss further about project requirements and then cost+timeframe (if needed) My Profile Reviews speak for my Quality Work and I assure you won't regret working with me on this :)
€660 EUR 15 gün içinde
7,8
7,8

Hello, I can help you complete the IRRIGO backend by building the Node.js API to connect your existing frontend with the MySQL database. I will focus on clean and modular code for managing customers, employees, logistics, and secure file uploads, integrating email notifications via Nodemailer as requested. Also, I will provide clear documentation for your internal engineer to ensure smooth handover and future maintenance. Thanks, Teo
€300 EUR 3 gün içinde
6,8
6,8

Hi I have strong experience building Node.js and Express backends that connect clean, framework-free frontends to MySQL databases using robust RESTful APIs. A key technical challenge in projects like this is wiring a nearly finished UI to a backend without introducing data inconsistencies or breaking existing user flows. I solve this by implementing well-structured API endpoints aligned strictly to the provided SQL schema and validating all inputs server-side. I integrate the frontend using fetch-based communication, ensuring predictable request handling and clear error responses. For file handling, I implement secure PDF uploads with proper storage rules and metadata linkage to existing records. I also configure transactional email delivery with Nodemailer so dashboard-triggered notifications are reliable and auditable. The backend is modular, readable, and designed so future features can be added without refactoring core logic. Thanks, Hercules
€500 EUR 7 gün içinde
6,9
6,9

Hello, I’m a full-stack developer with 10+ years of experience, specialising in Node.js, MySQL, and RESTful API development. I can take your Agricultural Management System (IRRIGO) to completion by building a robust backend that seamlessly integrates with your existing frontend. I will implement CRUD APIs for customers, suppliers, logistics, and personnel, manage secure PDF uploads, set up Nodemailer notifications, and connect everything to the provided MySQL schema. I prioritize clean, modular, and well-documented code, ensuring smooth handover to your internal engineer. With a clear focus on scalable architecture, security, and maintainability, I can deliver this project within your 10–15 day timeline. Looking forward to bringing IRRIGO to a fully functional state. Best Regards, Hitesh Goyal
€490 EUR 6 gün içinde
7,0
7,0

Hello, Thank you so much for posting this opportunity. It sounds like a great fit, and I’d love to be part of it! I’ve worked on similar projects before, and I’m confident I can bring real value to your project. I’m passionate about what I do and always aim to deliver work that’s not only high-quality but also makes things easier and smoother for my clients. Feel free to take a quick look at my profile to see some of the work I’ve done in the past. If it feels like a good match, I’d be happy to chat further about your project and how I can help bring it to life. I’m available to get started right away and will give this project my full attention from day one. Let’s connect and see how we can make this a success together! Looking forward to hearing from you soon. With Regards! Abhishek Saini
€500 EUR 7 gün içinde
6,6
6,6

Hello, Would you like to see a working demo of your IRRIGO backend—with at least one fully integrated API endpoint connecting your frontend to the MySQL database—before you make any commitment? I specialize in Node.js/Express backend development and can rapidly transform your 85% complete frontend into a fully functional agricultural management system by building clean, modular APIs for registry management, operator profiles, secure PDF uploads, and email notifications—leveraging your existing SQL schema to accelerate delivery. Let's discuss your specific requirements, validate the technical approach, and I'll provide a detailed fixed-price quote with a working demo. Ready to schedule a call to map out the complete backend architecture and handover strategy? Regards, Smith
€500 EUR 7 gün içinde
6,4
6,4

Hello, I’ve reviewed your IRRIGO backend requirements. With the frontend ~85% complete and MySQL schema defined, the remaining work is to build a clean Node.js/Express backend and connect it reliably to the UI. I can deliver the full API layer, database integration, file handling, and mailer setup within your 10–15 day timeline. Scope of work • Build modular REST APIs for: – Registry (customers, suppliers, logistics w/ multi-address support) – Operators/personnel (profiles, certifications, contracts) • Integrate frontend pages via fetch/axios • Implement MySQL queries with async/await + pooling • Configure PDF upload + secure storage on server • Database setup from provided SQL script • Nodemailer-based notifications for dashboard triggers • Error handling + auth middleware (if required) • Clean code + comments + structured controllers/services Deliverables • Working backend connected to frontend • Tested CRUD flows + file uploads + emails • Documentation + brief handover for your engineer Before quoting fixed price, a few clarifications: Any user authentication/roles already defined? Approx. number of endpoints expected? Deployment environment (VPS, shared hosting, Docker)? Ready to begin immediately and deliver within the provided timeframe. Thanks Sushma!!
€500 EUR 7 gün içinde
5,4
5,4

Hello, I'm Makoto from JP. I've full experiences about Node.js + MySQL(or Postgre) projects, and love to make clean restful apis. I hope we can discuss more detail in chat. Best Regards.
€750 EUR 15 gün içinde
5,5
5,5

Hi, I have reviewed your project details. At Mkaits Technologies, we specialize in backend development with a focus on Node.js and MySQL. Our team has extensive experience in creating RESTful APIs, managing file uploads, and integrating email notifications all essential for your project. We also have a strong background in working with frontend teams to ensure smooth data flow and connectivity. Our approach will involve setting up the backend architecture, designing clean API endpoints aligned with your SQL schema, and ensuring secure file handling and email features. We’ll connect your existing HTML pages to these APIs, making sure the system is ready to go within your timeframe. Let’s have a detailed discussion so I can provide a complete plan including a timeline and estimated budget. I’ll also share my portfolio in the chat for your review. Best regards, Mughiraa
€500 EUR 7 gün içinde
5,4
5,4

✋ Hi there. I can develop the complete Node.js backend for your IRRIGO Agricultural Management System and connect it seamlessly to your existing MySQL database while ensuring the frontend functions perfectly. ✔️ I have solid experience building RESTful APIs with Node.js and Express, integrating HTML/JS frontends, managing MySQL databases, and implementing secure file uploads and email notifications. In a previous project, I built modular backends for agricultural and logistics software with employee and client management, PDF storage, and automated mailers, all fully documented for internal teams. ✔️ For your project, I will implement CRUD APIs for customers, suppliers, logistics, and employee profiles, integrate the provided HTML/CSS/JS frontend using fetch/axios, and configure secure PDF uploads and Nodemailer-based notifications. I will ensure the MySQL schema is properly connected, relationships enforced, and queries optimized. ✔️ I will deliver clean, modular, well-commented code, a deployment-ready backend, and a handover session or documentation so your internal engineer can maintain and extend the system confidently. Let’s chat to review the UI, database schema, and timeline so I can provide a precise plan for completing the backend within your 10–15 day window. Best regards, Mykhaylo
€500 EUR 7 gün içinde
5,4
5,4

As an experienced web developer with over 10 years in the field, I bring to the table a diverse set of skills that make me the perfect fit for your IRRIGO project. With an extensive background in HTML5, CSS3, JavaScript and Node.js, I have built numerous RESTful APIs and effectively integrated frontends - exactly what you’re looking for here. Furthermore, my proficiency in MySQL database management and schema definition adds an extra layer of value to my candidacy. Not only can I execute tasks efficiently, but I also prioritize cleanliness and modularity in my code - an essential factor when dealing with complex systems like yours. Speaking of complexity, analyzing and strategizing solutions for such complexity is one of my specialities. Your project aims to integrate several functionalities like file management systems, notifications, and backend connections to addresses multiple logistics operations all at once. My skill set has uniquely prepared me to handle these intricate integrations and align them seamlessly. Moreover, I understand the value of a well-documented handover for future maintenance of the system. Count on receiving clear documentation as a part of my work completion process. My dedication and organizational skills will ensure that the project is completed within your desired timeline without compromising quality; right on time to give your agricultural management software that competitive edge. Let's get it done!
€500 EUR 7 gün içinde
5,1
5,1

Hello, I hope you are doing well. I am a backend-focused developer with solid experience in Node.js, Express, and MySQL. I design clean, modular APIs, secure file handling, and reliable server-side logic that keeps frontend work smooth and predictable. I’ve built RESTful backends for data-driven apps where the frontend (HTML/JS) talks to services for customers, suppliers, personnel, and documents. I ensured smooth DB interactions, implemented a secure PDF upload flow on the server, and wired email alerts via Nodemailer—without exposing sensitive data or relying on external links. I can deliver the backend, API routes, and MySQL setup from your DDL, with a straightforward handover and well-commented, maintainable code. gareentee that I will deliver perfectly. Please feel free to contact me so we can discuss more details. I am looking forward to the chance of working together. Best regards, Billy Bryan
€250 EUR 7 gün içinde
5,0
5,0

Hello, This IRRIGO backend sounds like a well‑scoped Node.js/MySQL integration project, and the fact that the frontend and SQL schema are already in place makes it ideal for a focused, clean backend build. A few quick questions to align properly: Do you already have hosting in mind (e.g., VPS, cPanel, Docker) or should deployment strategy be proposed as well? Are there role-based access levels (admin, operator, viewer) that must be enforced on each API? For PDF uploads, is local storage enough for now, or should the structure be future‑ready for S3/Cloud storage? Do you prefer simple text emails or templated (HTML) notifications from Nodemailer? If you share the UI bundle and SQL DDL, work can start immediately and progress can be shared in short milestones (API layer, file uploads, mailer, final polish). Looking forward to helping you get IRRIGO’s backend production‑ready within your timeframe. Best Regards Sahanaj
€1.000 EUR 15 gün içinde
5,1
5,1

junglefarm, I understand the requirements for the Node.js/MySQL backend development project for IRRIGO in Italy. With expertise in PHP, JavaScript, HTML5, Node.js, AngularJS, CSS3, RESTful API, and API Development, I am well-equipped to handle this task efficiently. My portfolio showcases successful projects in API Development and Node.js. My approach involves understanding your requirements, planning the backend structure, implementing robust APIs, and thorough testing for refinement. Could you clarify your preferred method for file storage and retrieval to ensure seamless integration? I invite you to open the chat to discuss and refine the project scope further. Best regards, Muhammad Anas Khan Portfolio: ⭐⭐ https://www.freelancer.com/u/CodeAnchors ⭐⭐
€350 EUR 6 gün içinde
5,1
5,1

Hello, I can finalize IRRIGO by building the Node.js/Express backend on top of your existing MySQL schema and wiring the 85% ready frontend to clean, predictable REST endpoints. I’ll implement the full CRUD for registry and operators, add a secure PDF upload flow for contracts/certifications (stored locally on the server with safe naming/validation), and set up Nodemailer so emails can be triggered directly from the dashboard without hacks. I’ll keep the code modular and well-commented, then deliver a short handover with clear run/setup notes and a quick walkthrough so your internal engineer can maintain it confidently. Best regards, Juan
€500 EUR 7 gün içinde
4,8
4,8

⭐️⭐️⭐️⭐️⭐️ Hello JungleFarm Team, I’m excited about the opportunity to help finalize the IRRIGO Agricultural Management Software! With my expertise in Node.js and MySQL, I'm well-equipped to build the backend and seamlessly integrate it with your existing frontend. Having worked on similar projects, I am skilled in creating RESTful APIs and ensuring smooth data management. I prioritize clean, modular, and well-documented code, ensuring that your internal engineer can easily navigate the system. I’m available to start immediately and can complete the project within your 10-15 day timeline. Let’s collaborate to bring the remaining components of IRRIGO to life! Looking forward to your response. Best, Abdulhamid
€250 EUR 1 gün içinde
4,8
4,8

Rome, Italy
Mar 28, 2023 tarihinden bu yana üye
€1500-3000 EUR
€1500-3000 EUR
$8-15 USD / saat
$750-1500 USD
$750-1500 USD
$3000-5000 USD
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₹12500-37500 INR
$30-250 USD
₹1500-12500 INR
₹1500-12500 INR
₹12500-37500 INR
₹12500-37500 INR
$30-250 USD
$250-750 AUD
$8-15 USD / saat
₹1500-12500 INR
$10-30 USD
$2-8 USD / saat
₹12500-37500 INR
$30-250 USD
₹1500-12500 INR