Custom Logistics Web App Development -- 2

@Microlent

Hello! We carefully reviewed the description of your project and can confirm that we fully understand your requirements. We are very interested in rebuilding your logistics web app into a fully custom, scalable system and confident in delivering a stable, production-ready platform. With over 25 years of experience, our team has strong expertise in React, Supabase/PostgreSQL, and building ERP-style systems including logistics, financials, and CRM modules. We have experience migrating from no-code tools to fully owned architectures. Approach: We will audit your existing Base44 setup and define a clean database schema (shipments, clients, invoices, commissions). We recommend using Supabase + PostgreSQL for speed and ownership, with a structured API layer and secure auth. We will either connect your existing React frontend or refactor it for better performance and maintainability. We will rebuild core logic (payments, profit, commissions), ensure data integrity, and optimize for mobile responsiveness. The system will be modular so you can scale features over time. Estimated timeline: 3–5 weeks depending on scope Cost: Can be finalized after reviewing current app and data structure We focus on clean code, ownership, and long-term stability. We are ready to start immediately. Please review our profile here: https://www.freelancer.com/u/Microlent We would be happy to discuss your system in more detail via Freelancer chat. Best regards, Jasmin

@irsolutions

With over a decade of experience in full-stack architecture and high-scale systems, I understand your need to convert your logistics web app from Base44 to a fully custom system with backend ownership. My background in handling high-complexity systems, such as serving over 1 million users and working in high-security FinTech environments, directly applies to the challenges your project presents. For strategic insight, I recommend rebuilding the backend using Supabase for seamless integration and scalability. With a proven track record of successfully optimizing logic and ensuring mobile responsiveness, I am confident in delivering a stable and production-ready internal system for your freight forwarding operations. I encourage you to reach out to discuss the roadmap for your project further. Let's collaborate to bring your vision to life efficiently and effectively.

@OutsourceMan

⭐⭐⭐⭐⭐ With a proven track record of over 18 years, CnELIndia has the expertise and technical know-how that your project demands. Our specialization in React Native aligns perfectly with your requirement to rebuild and optimize your logistics web app. We are adept at backends using Supabase, Node.js, and PostgreSQL, providing you with a smooth transition and eliminating any dependencies you currently have on any pre-existing software. Having completed numerous projects in the logistics domain, we understand the intricacies involved in freight forwarding operations as well as financial management. This understanding guarantees that we will not just build a working system for you but one that is tailored exactly to your needs. Above all, we value quality and long-term stability- two elements essential for a logistic system like yours. While we understand that cost-efficiency is important (and we are open to discussing this further), our ultimate aim is delivering an internal system that is not just stable and efficient but also completely owned by you. Choose CnELIndia for an experience that exceeds all expectations!

@softsolution2000

I understand you need to convert your logistics web app from Base44 to a fully custom system with backend ownership. The scope includes rebuilding backend using Supabase, connecting frontend, optimizing logic, ensuring mobile responsiveness, and removing Base44 dependency. I have extensive experience with React and Supabase, ensuring clean, scalable code. My suggested tech stack aligns with your requirements. Budget and timeline can be adjusted after full project scope discussion. Please review my 15-year-old profile for similar projects. Let's discuss further and I am eager to showcase my commitment to this project.

@ZohaibRoy

⭐⭐⭐⭐⭐ Build a Custom Logistics Web App from Base44 for You ❇️ Hi My Friend, I hope you are doing well. I reviewed your project requirements and see you are looking for a developer to convert your logistics web app from Base44 into a custom system. You don't need to look any further; Zohaib is here to help you! My team has completed over 50 similar projects in web app development. I will rebuild your backend using Supabase or Node.js with PostgreSQL, ensuring a clean and efficient system. ➡️ Why Me? I can easily handle your logistics web app development as I have 5 years of experience in web development, focusing on backend integration, database management, and frontend connections. My expertise includes React, database structuring, and system optimization. Additionally, I have a strong grip on other relevant technologies, ensuring your project is in capable hands. ➡️ Let's have a quick chat to discuss your project in detail and let me show you samples of my previous work. I'm looking forward to discussing this with you in our chat. ➡️ Skills & Experience: ✅ React Development ✅ Supabase ✅ Node.js ✅ PostgreSQL ✅ Database Structuring ✅ Backend Development ✅ Frontend Integration ✅ System Optimization ✅ Mobile Responsiveness ✅ ERP Solutions ✅ Logistics Systems ✅ Clean Code Practices Waiting for your response! Best Regards, Zohaib

@rahuliitm69

Hi there, As you can see my profile, I only provide custom-based software solutions, so I can convert your existing Base44 logistics app into a fully owned, scalable system with a clean backend and optimized performance tailored for your freight operations. Firstly, I will analyze your current app structure, database, and workflows (shipment management, financials, CRM, commissions) to understand what’s reusable and what needs to be rebuilt, ensuring we don’t lose any critical logic during the transition. Then I will rebuild the backend using Node.js with PostgreSQL, designing a proper relational database structure, secure APIs, and optimized logic for payments, profit tracking, and commission calculations, while either integrating your existing React frontend or restructuring it for better performance and maintainability. After that, I will refine all business logic, improve system reliability, ensure mobile responsiveness, and completely remove Base44 dependencies so you have full control over your system and source code. At last, I will test the system end-to-end, deploy a stable production-ready version, and ensure it is scalable for future features like advanced reporting, automation, or integrations. Looking forward to discussing your current setup and giving you a clear timeline and cost estimate. Thanks, Rahul

@kareemmaize

Hi — the real work here is not just moving off Base44, but making sure shipment status, invoices, payments, profit, and commissions still agree once the hidden no-code logic is gone. A common failure in migrations like this is when the app looks rebuilt, but a payment update or cost correction changes profit in one place and commissions in another, so finance and operations stop trusting the system. I’d approach this by first mapping the current business rules from Base44, then rebuilding around a clean shipment and finance data model with auditable calculations. The hardest decision early is whether profit is stored as a fixed snapshot or derived from live costs and payments, because that affects every commission and reporting flow later. I’d recommend Supabase if you want fast execution with clean ownership, then harden the core workflows first.

@kamran2012

Good to see this project, I will rebuild your logistics app on React + Supabase — shipment management, client portal, financials, and commission system — with a proper relational database you fully own. For the database structure, I will normalize shipments, invoices, payments, and commissions into separate tables with foreign keys and row-level security in Supabase. This way, your client portal users only see their own shipments and invoices without custom middleware — and profit-based commission calculations stay accurate even when costs or payments update after the fact. Questions: 1) Is the current React frontend in good shape, or would a clean rebuild save time? 2) How are commissions calculated today — percentage of net profit per shipment, or a tiered structure? Looking forward to talking through the details. Kamran

@saif0347

Hello, With regard to your project, it is my pleasure to introduce my team at Appofweb.com. With over 8 years of experience, we possess proficient skills in JavaScript and React.js along with a solid background in Software Architecture, which make us the ideal choice for this assignment. We have successfully delivered over 120 projects, similar to yours, with stellar outcomes. Our approach is renowned for its clarity, reliability, and promptness, all of which go hand-in-hand with what you're looking for. Your satisfaction is our topmost priority; that's why we ensure clean and scalable code while giving you total ownership of the source code. For this project, we propose using React in conjunction with Supabase or Node.js and PostgreSQL as per your preference. Our combined experience with these technologies will enable us to rebuild your app professionally from the ground up, ensuring optimal functionality. We understand the significance of crafting an efficient yet cost-effective solution without compromising quality. Thus, we offer competitive pricing while preserving the long-term stability you desire. Timeliness is another virtue we hold in high regard - providing you with a fast execution without sacrificing any work quality or thoroughness. We assure you that working with us will result in a stable production-ready internal system that caters perfectly to your freight forwarding operations needs. Let's join forces and create Thanks!

@corpmember29

HELLO, I have reviewed your requirement to convert the existing logistics web app from Base44 into a fully custom system, and I clearly understand the scope including shipment management, client portal, financials, commissions, and CRM modules. With 10+ years of experience in React, Supabase/PostgreSQL, and building ERP/logistics systems, I can rebuild your backend with a clean and scalable database structure, optimize core logic (payments, commissions, profit calculations), and either integrate your existing React frontend or refine it for better performance and responsiveness. The goal will be to completely remove Base44 dependency while ensuring stability and long-term maintainability. I WILL PROVIDE 2 YEAR FREE ONGING SUPPORT AND COMPLETE SOURC CODE, WE WILL WORK WITH AGILE METHODOLOGY AND WILL GIVE YOU ASSISTANCE FROM ZERO TO PUBLISHING ON STOIRES. I focus on structured development, clear communication, and reliable delivery aligned with your business needs. I eagerly await your positive response. Thanks.

@DeveloperStation

Hi, We’ve developed similar logistics solutions, including a multi-modal freight management system that handles sea, air, and land shipments. We also built a dedicated client portal for tracking shipments and invoices, along with a robust financial module for managing payments and costs. We can use Supabase for the backend, as it offers built-in features like authentication and file storage, which can save development time. We also have extensive experience with Node.js and PHP, so we can choose the best option for your project. Let’s schedule a 10-minute call to discuss your project in more detail and see if I’m the right fit for your needs. I’m eager to learn more about your exciting project. Best regards, Adil

@teodorgeorge

Hello, I can help convert your logistics web app from Base44 to a fully custom backend using Supabase, which is efficient and scalable. I have experience with React and Supabase stacks, and I will ensure proper database design, clean code, and optimized business logic, including commissions and payments. The goal will be to deliver a production-ready system with full source code ownership that supports all your freight forwarding needs. I'm familiar with ERP and logistics system requirements and can make the frontend mobile responsive while removing all dependencies on Base44. Thanks, Teo

@vishal1145

Your commission calculation logic will break if you're computing profit margins without locking exchange rates at the time of booking. I've rebuilt 4 logistics platforms where currency fluctuations caused invoice disputes months after shipment delivery. Before architecting the migration, I need clarity on two things: Are you handling multi-currency transactions, and if so, are exchange rates stored per shipment or recalculated on-the-fly? Second, what's your current data volume - how many active shipments per month and how many years of historical data need migrating from Base44? Here's the architectural approach: - POSTGRESQL + SUPABASE: Design a normalized schema with separate tables for shipments, legs (sea/land/air), invoices, and payments. Use foreign keys with cascade rules to prevent orphaned records when clients are deleted. - COMMISSION ENGINE: Build a stored procedure that calculates profit in real-time by summing costs across all shipment legs, then applies tiered commission rules. This prevents the "spreadsheet drift" I've seen where manual calculations don't match system totals. - REACT FRONTEND: Refactor your existing components to use React Query for caching API responses. This'll cut your database load by 60% when users refresh shipment tracking pages repeatedly. - BASE44 MIGRATION: Write ETL scripts that validate data integrity during export - I'll flag duplicate invoices, missing cost entries, and orphaned client records before they corrupt your new database. - API LAYER: Implement row-level security in Supabase so clients can only query their own shipments. Add rate limiting to prevent your client portal from getting hammered during peak hours. I've built 3 freight forwarding systems that processed $12M+ in annual shipments. The last one handled 200 concurrent users without performance degradation. Let's schedule a 20-minute call to walk through your Base44 schema - I need to see your current data structure before quoting a fixed price, because hidden complexity in your commission rules always doubles migration time.

@widuIT

Hello, What you need here is not just a migration away from Base44, but a proper rebuild of the system core so shipments, client access, payments, costs, profit, and commissions are reliable and fully under your control. My recommendation would be to start by separating what is worth preserving from what should be rebuilt cleanly. If the current React frontend is usable, I would keep it and replace the backend with a proper relational model and a clean API. The most important part is getting the operational logic right — especially payments, commissions, and profit calculations — because that is where internal systems usually become fragile if they are only “ported” instead of restructured. Technically, Supabase can work well if the priority is speed and a solid Postgres/Auth/Storage foundation. But if full backend ownership on your own server is the main goal, I would lean toward Node.js + PostgreSQL for a cleaner long-term result. The right outcome here is a stable internal logistics system you actually own and can extend, not just a copy of the no-code version in a different stack. Nico – widuIT - Top Freelancer LATAM

@mascotindia123

Hi, I’m very interested in rebuilding your logistics web app into a fully custom, scalable system with complete backend ownership. I have solid experience working with React and Supabase, along with designing structured PostgreSQL databases for complex workflows like shipments, financials, and CRM systems. My approach would be to first audit your existing Base44 setup, then rebuild a clean backend (Supabase preferred) with optimized schemas for shipments, invoicing, commissions, and client management. I’ll ensure all business logic—especially payments and profit calculations—is accurate, efficient, and easy to maintain. I can either integrate with your current React frontend or refactor it for better performance and mobile responsiveness. The end result will be a stable, production-ready system with clean code and full ownership. Suggested stack: React (frontend), Supabase (backend + auth), PostgreSQL (database), with scalable API structure. I’ve worked on similar data-driven systems involving dashboards, financial tracking, and user portals. The budget and timeline can be discussed further after reviewing your current app scope, but I aim for fast and reliable delivery without compromising quality. Looking forward to collaborating on this. Warm regards, Harpreet Singh

@planDapps

Hi, Moving from no code to a custom React + Supabase stack is the right move for logistics it replaces platform dependency with a high performance, owned asset. At Plan D Studios, we bring 12+ years of experience in Web Development and Software Architecture, specializing in transitioning fragmented workflows into structured ERP systems. My Execution Strategy for Your Logistics ERP: Database Design: I’ll migrate your Base44 logic into a robust PostgreSQL schema on Supabase, ensuring complex profit and commission calculations are handled server side for absolute accuracy. Backend Development: We’ll utilize Supabase Edge Functions for real time shipment tracking and financial triggers, keeping your React.js frontend snappy and responsive. Financial Integrity: I’ll rebuild the invoicing and commission logic to be "audit ready," eliminating the current logic gaps. Ownership: You receive the full GitHub repo with clean, well-commented code zero external dependencies. We handle all Database Design and API Development in-house. Regarding the commission system: Is the profit calculation based on a flat percentage per shipment, or does it involve tiered logic based on the transport mode (Air/Sea/Land)? Regards, Haider

@arbu1499

Hi there, I can help you migrate your existing Base44 logistics app into a fully custom, scalable system with complete backend ownership. I’ve worked on React + Supabase/Node.js builds and systems involving CRM, financial logic, and role-based dashboards, so your shipment, invoicing, and commission workflows are well within scope. The goal would be to rebuild your database properly, clean up the logic (especially profit and commission calculations), and ensure the system is stable, fast, and production-ready for day-to-day freight operations. I can also keep the frontend intact or modernize it depending on what gives you the best long-term value. Looking forward for your positive response in the chatbox. Best Regards, Arbaz M

@Hammadhassan21

Hey, No code platforms like Base44 lock you in with limits and costs – migrating to custom Supabase backend frees your logistics app for true scalability. I have rebuilt similar freight systems React to Supabase PostgreSQL handling shipments multi modal tracking invoices commissions CRM profit calcs with clean ownership. I will rebuild your backend on Supabase hook your React frontend optimize payments logic ensure mobile responsive kill Base44 ties and deliver production ready scalable code you own completely drawing from my ERP logistics experience. I stay in touch clearly with daily updates and give two weeks of post migration tweaks. Portfolio: https://www.freelancer.pk/u/Hammadhassan21 Drop me a message to run through some details. I am good to kick off straight away. Thanks...

@zainalitariq245

Hi I am highly experienced full stack developer with a strong track record of delivering high quality reliable and scalable applications across web and mobile platforms. I can rebuild your system using a modern stack like React with Supabase or Node.js with PostgreSQL ensuring a well structured database proper API layer and clean separation of logic for shipments invoices payments and commission calculations. I will not just migrate your app instead I will refine and optimize the entire system including financial logic profit tracking and data relationships to make it reliable scalable and ready for real world freight operations. I will also ensure the frontend is clean responsive and properly connected to the backend with secure authentication and efficient data handling while removing all dependencies on Base44 The final result will be a production ready internal platform with full source code ownership clear structure and flexibility to expand into a complete ERP system in the future. I have experience working with full stack systems complex data flows and business logic focusing on performance scalability and maintainability. Please Take a Look at My Professional Portfolio: https://www.freelancer.pk/u/zainalitariq245 Let's connect to discuss your project in more detail. Best Regards, Zain