
Closed
Posted
Paid on delivery
I am already more than halfway through building a multi-tenant ERP platform offered as SaaS. The current stack is React on the front-end with a Node.js (Express) API, and subscription payments are flowing through an integrated payment-gateway module. What’s left is to finish the remaining business-logic layers, tighten up the UI, and prepare the whole product for production release. I’ll give you access to the existing Git repository, detailed module road-maps, and the payment gateway keys already in place. Your job is to pick up the codebase, complete the unfinished modules, squash any bugs you find, and push clean, well-commented commits back to the repo. Key expectations: • Keep everything in React + Node.js, following the existing component and controller patterns. • Extend the REST API where needed and wire new screens seamlessly into the current routing. • Re-use the live payment-gateway hooks so new tenants can keep subscribing without interruption. • Write concise unit tests as you go so the coverage trend keeps moving upward. • Prepare build scripts or Docker files (if you prefer) that let me spin the app up on staging with a single command. I review pull requests quickly and give clear feedback, so you’ll never be stuck waiting. If you’re comfortable taking an in-progress React/Node SaaS project across the finish line, let’s get started.
Project ID: 40503094
254 proposals
Remote project
Active 22 secs ago
Set your budget and timeframe
Get paid for your work
Outline your proposal
It's free to sign up and bid on jobs
254 freelancers are bidding on average $491 USD for this job

Hi — Elias here from Miami. I see you’re looking to continue developing your multi-tenant ERP platform. That’s a great project, and I understand how critical it is to keep the momentum going while ensuring everything integrates smoothly. One common challenge with SaaS platforms is managing the complexity of multi-tenancy, especially when it comes to data isolation and performance. Another issue often encountered is ensuring your REST API scales as user demand increases. I’ve seen projects get stuck here, leading to delays and frustration. My approach would focus on reviewing your current architecture to identify any potential bottlenecks early on. I’d also prioritize clear communication and regular updates to keep you in the loop as development progresses. To better understand your project, could you share what specific features you’re looking to enhance or add? Also, how do you currently handle user data management across tenants? Looking forward to discussing this further.
$500 USD in 5 days
8.1
8.1

Hi, Your project is a great fit for my experience with React, Node.js, Express, SaaS platforms, multi-tenant architectures, subscription billing, and production deployments. I can quickly onboard to your existing codebase, follow the current patterns, and help take the platform from its current state to a stable production-ready release. What I can help with: ✓ Complete unfinished ERP modules and business logic ✓ Extend and optimize REST APIs ✓ React UI/UX improvements and routing integration ✓ Multi-tenant architecture enhancements ✓ Payment gateway continuity and subscription workflows ✓ Bug fixing and performance optimization ✓ Unit testing and code coverage improvements ✓ Dockerization, staging, and production deployment ✓ Clean Git workflow with well-documented PRs Relevant experience includes SaaS platforms, CRM/ERP systems, FinTech applications, ServiceHubCRM, Fledger, and other enterprise-grade business management solutions. I am comfortable working directly from your roadmap, making incremental PRs, and maintaining clear communication throughout development. One question: Which modules are still pending (HR, CRM, Inventory, Accounting, Reporting, etc.), and what percentage of the backend APIs are already completed? Best regards, Microlent Team
$500 USD in 7 days
7.8
7.8

Hi, I've built multi-tenant SaaS platforms with Node.js and MongoDB. You're halfway through—I can jump in and push this to completion without breaking existing code. Message me to discuss next steps. Best Regards, Hasan
$250 USD in 21 days
7.5
7.5

⭐⭐⭐⭐⭐ Complete Your Multi-Tenant ERP SaaS Project with React & Node.js ❇️ Hi My Friend, I hope you are doing well. I've reviewed your project requirements and see you are looking for help to finish your multi-tenant ERP platform. Look no further; Zohaib is here to assist you! My team has successfully completed 50+ similar projects in SaaS development. I will dive into the existing codebase, complete the unfinished modules, fix any bugs, and ensure clean, well-commented commits back to the repository. ➡️ Why Me? I can easily complete your ERP project as I have 5 years of experience in React and Node.js development, specializing in SaaS applications. My expertise includes building REST APIs, UI design, and unit testing. Additionally, I have a strong grip on Git, Docker, and payment gateway integration, ensuring a smooth finish to your project. ➡️ Let's have a quick chat to discuss your project in detail. I can show you samples of my previous work that demonstrate my skills. Looking forward to chatting with you! ➡️ Skills & Experience: ✅ React Development ✅ Node.js (Express) ✅ REST API Development ✅ UI/UX Design ✅ Unit Testing ✅ Git Version Control ✅ Docker ✅ Payment Gateway Integration ✅ Bug Fixing ✅ Code Optimization ✅ Module Development ✅ Agile Methodologies Waiting for your response! Best Regards, Zohaib
$350 USD in 2 days
7.6
7.6

Hi, We’ve developed several multi-tenant SaaS products, including a fully functional ERP that’s now used by multiple companies. We understand the importance of delivering a product that’s not just functional but also secure and reliable. With our extensive experience in both front-end and back-end development, we can handle all aspects of your project. We’ve worked with various payment gateways, including Stripe, PayPal, and local solutions, and we know how to implement them securely. We also prioritize CI/CD pipelines to ensure that new features are delivered quickly and reliably. 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. Best regards, Adil
$435.60 USD in 7 days
6.9
6.9

Hi I have solid experience taking in-progress SaaS platforms across the finish line using React, Node.js, Express, REST APIs, and production-ready deployment workflows. The main technical risk in a multi-tenant ERP is keeping tenant isolation, subscription logic, and unfinished business modules stable while adding new features on top of the existing codebase. I can solve that by first understanding your current component, routing, controller, and payment-gateway patterns, then completing each module without breaking the active subscription flow. I can extend the Express API where needed, wire new React screens into the existing routing, and keep the UI consistent with the current structure. I will also review the business-logic layers carefully, fix bugs with clean commits, and add concise unit tests around the most important workflows. For production readiness, I can prepare reliable build scripts or Docker setup so staging can be launched with a simple command. My focus will be clean code, clear comments, stable SaaS architecture, and smooth handoff through well-organized pull requests. Thanks, Hercules
$500 USD in 7 days
7.1
7.1

⭕⭕REACT & NODE.JS SAAS ERP EXPERT⭕⭕ I have 10+ years of experience in SaaS application development, React.js, Node.js (Express), REST APIs, payment gateway integrations, and multi-tenant architectures. I can efficiently take over your existing ERP codebase, analyze the current structure, and complete the remaining modules while maintaining your established coding patterns and architecture. ✔ Complete pending business logic and ERP modules ✔ Enhance UI/UX and optimize existing workflows ✔ Extend and integrate REST APIs seamlessly ✔ Maintain and improve payment subscription functionality ✔ Bug fixing, code refactoring, and performance optimization ✔ Unit testing, deployment setup, and production readiness My approach is to first perform a detailed codebase audit, review module roadmaps, identify pending dependencies, and then execute development in Agile sprints with clean commits, regular updates, and continuous testing to ensure a smooth production launch. ✅ Complete Source Code Ownership ✅ 2 Years Free Ongoing Support ✅ Agile Development Methodology ✅ Docker/Staging Deployment Assistance ✅ Well-Documented, Maintainable Code I am available to start immediately and can help take your SaaS ERP platform from its current stage to a stable production-ready release. Thank you.
$250 USD in 7 days
6.9
6.9

***** React & Node.js Multi-Tenant ERP SaaS Completion and Production Deployment ***** Hello, I checked the requirements and am able to take over your existing React + Node.js multi-tenant ERP SaaS platform, complete the remaining business modules, enhance the UI/UX, resolve existing issues, improve code quality, and prepare the application for a stable production release. Features: ✔ Existing Payment Gateway Integration Support ✔ Subscription Management Workflows ✔ UI/UX Enhancement & Modernization ✔ Bug Fixing & Performance Optimization ✔ Authentication & Authorization Improvements ✔ Tenant Management Features ✔ Dashboard & Reporting Modules ✔ Route & Navigation Integration ✔ Unit Testing Implementation ✔ API Testing & Validation ✔ Git-Based Development Workflow ✔ Clean & Documented Code ✔ Pull Request Management ✔ Docker Configuration Setup ✔ One-Command Deployment Scripts Many More As Per Your Need.... Let's Connect over call/chat for detail discussion... Thanks,
$260 USD in 12 days
6.8
6.8

Hi, I understand you need a React and Node.js developer to take over an in-progress multi-tenant ERP SaaS, complete unfinished business logic, refine the UI, extend REST APIs, preserve payment-gateway subscriptions, and prepare the product for production release. I have experience working on existing SaaS codebases with React, Express, tenant-based architecture, payment integrations, routing, bug fixing, unit testing, Git workflows, and staging-ready deployment setup. I will review the repo and roadmaps first, then finish modules in clean pull requests with well-commented commits, tests, API updates, UI polish, and build/Docker scripts for one-command staging deployment. Q1: Which database is currently used for tenant data? Q2: Which payment gateway is integrated? Q3: Are the remaining ERP modules already partially coded or only documented? Best regards.
$500 USD in 7 days
6.8
6.8

Hi there, We understand you're looking to complete a multi-tenant ERP platform as a SaaS, with the current stack being React and Node.js (Express), and you need help finishing the business-logic layers, refining the UI, and preparing for production. Our team at Webbook Studio has experience with similar projects, including CRM and ERP systems development, and we're proficient in React, Node.js, and REST API. For instance, we've worked on e-commerce development and custom CRM/ERP systems, which involved integrating payment gateways and ensuring seamless user experiences. We'll deliver a polished and fully functional SaaS ERP platform, ensuring all components are well-tested and documented. One question: Are there any specific security or compliance requirements we should be aware of while completing the project? Feel free to message us to discuss the details! — Webbook Studio
$480 USD in 10 days
6.6
6.6

Hi, Thank you for the detailed project description. We've reviewed the requirements and have a clear understanding of the current stage of the platform and the objectives remaining before production launch. We particularly appreciate that the foundation is already in place, including the multi-tenant architecture, React front end, Node.js API, and integrated subscription billing workflow. This allows the focus to shift toward completing the remaining business modules, improving overall stability, refining the user experience, and preparing the platform for a smooth production rollout. Based on the information provided, we believe we have everything needed to outline a structured development approach covering codebase assessment, completion of unfinished modules, API extensions, bug fixing, test coverage improvements, deployment preparation, and ongoing maintenance. The emphasis on working within the existing architecture, delivering clean commits through pull requests, and maintaining continuity with the current payment flow aligns well with how we approach long-term SaaS projects. We look forward to the next stage of the selection process and would be happy to discuss our proposed approach in more detail. Kind regards, Houssame
$500 USD in 7 days
6.2
6.2

Hi I can help take your in-progress multi-tenant ERP SaaS across the finish line by working directly within the existing React and Node.js Express codebase, completing unfinished modules, fixing bugs, tightening the UI, and preparing the platform for production release. My approach would start with a quick codebase and roadmap review so I can understand the current architecture, tenant isolation logic, API patterns, payment gateway hooks, database structure, and incomplete business modules. From there, I would follow your existing component, controller, route, and service patterns rather than introducing unnecessary rewrites. I have experience with SaaS platforms, React dashboards, Node.js APIs, REST endpoints, subscription workflows, role-based systems, database-driven business logic, bug fixing, unit testing, Git workflows, and production deployment preparation. I can extend the API, wire new screens into routing, improve UI consistency, reuse the existing payment gateway integration, and add concise tests as features are completed. I can also prepare staging-friendly build scripts or Docker setup so the app can be launched with a simple command. All work would be pushed as clean, well-commented commits or pull requests for easy review. Best, Justin
$500 USD in 7 days
5.9
5.9

Hello, I hope this message finds you well. I have carefully reviewed the requirements for your SaaS ERP development project, and I am confident in my ability to assist you in completing the remaining business-logic layers and refining the UI to prepare for production release. With a strong background in JavaScript, Node.js, and React, I am well-equipped to seamlessly integrate new features into your existing stack while maintaining the current architecture and patterns. I have extensive experience in backend and frontend development, ensuring a cohesive and efficient end product. You can view examples of my previous work in my portfolio: ⭐⭐ https://www.freelancer.com/u/CodeAnchors ⭐⭐ Before we proceed, could you please provide more insight into your top priority or main business goal for this project? I am excited about the opportunity to collaborate and bring your vision to fruition. Feel free to initiate a chat so we can discuss the project scope further. Best regards, Muhammad Anas Khan
$250 USD in 4 days
5.7
5.7

Hello, I have carefully read your requirements and would be excited to help take your multi-tenant SaaS ERP platform across the finish line. I can quickly get up to speed with the existing React and Node.js codebase, complete the remaining business modules, extend REST APIs where required, refine the UI/UX, and resolve bugs while maintaining your current architecture and coding standards. My approach includes reviewing the existing roadmap, implementing features through clean pull requests, reusing the existing subscription and payment gateway integrations, and ensuring seamless tenant onboarding without disrupting current functionality. I will also add unit tests, improve code quality and documentation, optimize performance where needed, and prepare Docker/build scripts for smooth staging and production deployments. Throughout the project, I will provide well-commented commits, clear communication, and regular progress updates to keep development moving efficiently. I have 14 years of experience in React, Node.js, Express, SaaS platforms, ERP systems, REST APIs, payment integrations, multi-tenant architectures, and full-stack application development, and you can check the reviews on my profile for similar successful projects. The budget, timeline, and remaining module scope can be discussed further after reviewing the repository and development roadmap. Warm regards, Harpreet Singh
$250 USD in 5 days
5.9
5.9

*** React & Node.js SaaS ERP Platform Completion *** Hello, Vaibhav this side, I can help take your multi-tenant ERP SaaS platform across the finish line by working directly within your existing React and Node.js codebase. I'll follow the current architecture, coding standards, and component patterns while completing the remaining modules, fixing bugs, refining the UI, and preparing the application for production deployment. My approach includes extending APIs where required, integrating unfinished business logic, maintaining uninterrupted subscription payment workflows, improving code quality, and adding unit tests to increase coverage. I can also prepare Docker configurations and deployment scripts for smooth staging and production releases. Key Deliverables: • Completion of pending ERP modules • React UI/UX refinements • Node.js API enhancements • Bug fixing & performance optimization • Payment gateway workflow validation • Unit test implementation • Docker/build script setup • Clean Git commits & PR-based collaboration With strong experience in React, Node.js, SaaS platforms, REST APIs, payment integrations, and multi-tenant architectures, I can quickly onboard to the project and contribute effectively from day one. Turnaround Time: Based on module scope and roadmap review. Thanks, Vaibhav D
$250 USD in 7 days
6.3
6.3

Hello, I have 10+ years of experience in full-stack development with strong expertise in React.js, Node.js, Express, REST APIs, SaaS platforms, and subscription-based applications. I am comfortable joining existing codebases, understanding established architecture patterns, and delivering clean, maintainable code without disrupting ongoing functionality.I can seamlessly continue development within your existing React and Node.js architecture while maintaining coding standards and component structures already in place. Additionally, I have experience working with subscription billing systems and payment gateway integrations, ensuring uninterrupted tenant onboarding and recurring payment workflows. I can also prepare Docker configurations, deployment scripts, unit tests, and staging environments to streamline your release process. I am comfortable working through GitHub, creating clean pull requests, and collaborating closely through regular feedback cycles. I would be happy to discuss the remaining modules and provide an estimated timeline after reviewing the repository. Best regards
$250 USD in 7 days
5.8
5.8

You already have subscriptions live and a React front end with a Node.js API. I can pick up your repo, finish the unfinished business logic, tighten the UI, and prepare a production staging build without interrupting tenant billing. A common trap is landing new endpoints or UI without preserving webhook and tenant isolation behavior. Small incremental changes with focused tests keep subscriptions stable and make reviews fast. I built TicketSALO, a multi tenant event ticketing SaaS with Stripe Connect and organizer subdomains, so I know the pitfalls around payments and multi tenant routing. My plan * Quick repo audit and local deploy to reproduce current state * Complete modules from your roadmap in priority order and extend REST endpoints where needed * Wire screens into existing routing and reuse the live payment gateway hooks and webhook tests * Add concise unit tests and CI checks and provide a Dockerfile plus a one command staging script * Send clean, well commented PRs for each module I’ll need repo access, your module roadmaps, and the payment gateway keys you mentioned. Do you have a preferred test framework or CI provider? Which unfinished module should I tackle first? I’ll prepare the staging Dockerfile and a short runbook once I have access.
$500 USD in 7 days
5.3
5.3

Hi! My name is Marjan and I'm here to offer you my services as a skilled applicant with over a decade of experience working on Freelancer.com. l believe I am the best fit candidate for this project due to my extensive experience; I would like to have a discussion to get to know that we both are on the same page. Once the scope will be locked, I will start working on it right away.
$250 USD in 7 days
5.5
5.5

Greetings, I’m excited about the opportunity to help you finish your multi-tenant ERP platform. It sounds like you’ve made significant progress with the React front-end and Node.js API, and I can see that you need someone to step in and complete the remaining business logic, enhance the UI, and ensure everything is production-ready. My approach would be to thoroughly review the existing codebase and roadmaps you provide, ensuring that I follow your established patterns in React and Node.js. I’ll focus on extending the REST API where necessary, integrating new screens smoothly, and maintaining the payment gateway functionality for uninterrupted subscriptions. Writing unit tests along the way will also help improve the coverage and reliability of the application. I appreciate your quick review process for pull requests, as it will keep the momentum going. Best regards, Saba Ehsan
$550 USD in 5 days
5.0
5.0

Hello, based on your description, I understand that you are already more than halfway through building a multi tenant ERP platform offered on SaaS and need the codebase picked up, unfinished modules completed, any bugs squashed I find, and clean, well commented commits pushed back to the repo. I am very comfortable taking an in progress React/Node SaaS project across the finish line. I am ready to deliver exciting results so drop me a message at your earliest convenience to discuss the next steps forward. Let's get started, Fahad.
$250 USD in 2 days
5.3
5.3

Tripoli, Lebanon
Payment method verified
Member since Jun 9, 2026
₹12500-37500 INR
min £36 GBP / hour
$250-750 USD
₹12500-37500 INR
₹1500-12500 INR
$1500-3000 USD
$10-30 USD
$250-750 USD
$10-6000 CAD
$30-250 USD
$750-1500 USD
$1500-3000 USD
₹600-1500 INR
$250-750 USD
€18-36 EUR / hour
$30-250 SGD
₹12500-37500 INR
₹1500-12500 INR
₹1500-12500 INR
$30-250 USD