Senior Full-Stack Developer for Custom BPM System

@Microlent

Hello, I am Dr. Rajesh Rolen, PhD in Computer Science & Engineering, with experience of over 20+ years in React.js, Web Development, PostgreSQL, Full Stack Development, Node.js, Software Architecture As a preferred freelancer in the top 1%, I have done 400+ projects here on freelancer.com, I have 4.9 ratings out of 5 on average, which showcases my quality of work and timely delivery. Key Highlights: - Free Hosting Support on the Cloud or any desired platform. - Free 3 months of post-delivery support to ensure that our client doesn’t face any challenges after the launch of the project. - Free Dedicated tester on projects to ensure quality delivery, so clients don’t need to act as a tester. - 10+ Years experience UI/UX team to ensure intuitive UI. Portfolio: https://www.freelancer.com/u/Microlent Please open the chat and send me a message, so we can have a more detailed discussion about the project to give you the project timeline and cost. Thank you for considering my services. I look forward to engaging in a productive conversation and understanding how I can be of assistance in bringing your project to life. Regards Rajesh Rolen

@OutsourceMan

Yes, at CnEl India, our senior full-stack team can develop your custom web-based BPM system using Node.js, TypeScript, React, and PostgreSQL on your private VPS. Our Technical Execution Methodology Modular Architecture & Database Design: We establish a clean, layered Node.js/TypeScript REST/GraphQL backend with a highly normalized PostgreSQL schema, enforcing strict RBAC permissions, foreign-key constraints, and automated audit logging at the database level. Core Operations & Workflow Modules: Procurement & Financials: Automated RFQ-to-PO workflows, dynamic quotation approval pipelines, contract lifecycle tracking, and project budget/profitability analytics. Logistics & Docs: Real-time shipment status tracking, task deadline notifications, and secure document storage with version control. Enterprise UI/UX (React & TypeScript): Interactive dashboards, dynamic data tables, complex status filters, and tailored views specific to management, purchasing, and logistics teams. Security, VPS Deployment & Ownership: Role-based access control (RBAC), data encryption at rest and in transit, daily automated DB backup/recovery scripts, and full Git repository/VPS deployment handover under your sole control. We are ready to start immediately! Best regards, CnEl India Team

@gotucat

Hi, I reviewed your request for a custom web-based Business, Project & Operations Management System with procurement workflows, logistics tracking, RBAC, audit logs, and secure authentication. I’ll build the Full Stack Development using Node.js/TypeScript, React, and PostgreSQL, focusing on clean architecture for project/contract management, RFQ→quotation→purchase order flows, documents/attachments, tasks/deadlines with notifications, dashboards, and role-based interfaces. I’ll also implement comprehensive activity/audit logging, data protection, and a reliable backup and recovery setup, with Documentation included for long-term maintainability. I deliver secure, well-structured code with clear documentation and responsive communication for milestone-based delivery. Let’s discuss here now.

@ykarora26

With a track record in developing ERP and project management systems, I understand the complexity of your custom Management System project. Leveraging my expertise in Node.js, React, and PostgreSQL, I'm well-equipped to deliver a robust solution. Could you share more details on the specific milestones you have in mind for this project? Regards, Yogesh Kumar

@AnumFatima210

Hi there, I read your project "Senior Full-Stack Developer for Custom BPM System" and it matches what I do with React.js, Web Development, Full Stack Development. I have delivered similar work before and can start right away. I can complete it in 8 days for 300 USD, revisions included. Can you share any extra details or files so I can confirm the scope? Happy to start today.

@kabirchy

Hi there, I can build your custom web-based Business, Project and Operations Management System with a clean full-stack architecture that stays secure, maintainable and ready for multiple internal users. I have experience delivering production-ready internal tools with complex forms, dashboards, document workflows, permissions and reporting. My approach: - React.js dashboard and modules for business projects, operations, approvals, reporting and role-based access. - Node.js backend APIs with layered controllers, services and validation to keep logic organized and scalable. - PostgreSQL relational database designed for companies, projects, tasks, users, permissions, attachments, comments and audit history. - Security-first implementation: authentication, authorization, input sanitization, encrypted storage for sensitive records, logging and least-privilege access. - Clear technical documentation and handover so your team can operate, extend and protect the system confidently and smoothly. I would first review your internal workflows, user roles and data requirements, then deliver an MVP that can grow with your operations. Best Regards, Khorshed Alam, RS Software

@corpmember29

Hi There !! After reading your request, I found it to be rather intriguing. I can provide timely, high-quality assistance for your project as a senior full stack engineer. We'll share our portfolio in Chat. Let's talk further speak over the freelancer call or chat. Awaiting for your positive response. Thanks

@onkarkulkarni8

Hi, I checked your "Senior Full-Stack Developer for Custom BPM System" project description, it looks like the focus is on delivering a clean, responsive website that works well across all devices. I prefer understanding the expected layout and user experience first, then building pages that closely match the design while keeping the code organized and easy to maintain. Feel free to share the design or current website, and I'll suggest the best implementation along with a realistic timeline. Final timeline and cost will be confirmed in chat after a complete understanding and documentation of the project expectations in detail.

@denisSolution

Hi, I'm Denis, a full-stack developer who has built several business management systems similar to this one. I understand you need a secure, maintainable system with clear audit trails and role-based interfaces for different departments. I’ve worked on custom ERP-style applications before, including project tracking, document management, and procurement workflows, so I can structure the system to handle complex business rules while keeping the code clean for future updates. Here’s how I’d approach it: start with a lean core covering roles, projects, and basic workflows. Then layer in procurement with RFQs and POs, followed by reporting and notifications. Security and audit logs will be built in from the beginning to avoid rework. The biggest risk is scope creep—business requirements often evolve during development. I’d handle that by locking down milestones early and keeping the architecture modular, so new features can be added without breaking existing ones. I can start working right away. Let's connect and discuss the details. Thanks, Denis.

@temoberishvili

Hey there! I see you're looking for a Senior Full-Stack Developer to build a custom web-based BPM system. Your main goal is to create a robust solution that streamlines business processes effectively. I’ve got over 10 years of experience in full-stack development, and I've worked extensively with Node.js, PostgreSQL, and React.js. I understand the importance of software architecture and security in such projects, so I'm ready to ensure your system is both scalable and secure. I’m all about clear documentation and solid database management, so we can maintain a smooth workflow throughout the development process. I’d love to dive deeper into your specific requirements and any unique features you envision for the BPM system. Looking forward to potentially collaborating on this! Clarification Questions 1. What specific business processes are you looking to automate with this BPM system? 2. Are there any existing systems or tools that the new BPM solution needs to integrate with? 3. What security measures or compliance standards do you expect this system to adhere to?

@emilesd617

Hi, I am a senior full-stack developer with 8 years of experience building business platforms, dashboards, internal management systems, and workflow-driven applications. I am familiar with Node.js, TypeScript, React, PostgreSQL, RBAC, audit logs, document management, reporting, authentication, security, and VPS deployment. I can build the system in milestones, covering project and contract management, customers and suppliers, procurement, RFQs, quotations, purchase orders, logistics, budgets, profitability, tasks, notifications, dashboards, and role-based interfaces for each department. I have worked on internal business systems involving workflow automation, admin dashboards, reporting, database design, permissions, and operational data management, handling both frontend and backend development. I can also provide clean architecture, documentation, backup/recovery setup, deployment on your VPS, and full source-code and database handover. Please contact me with the best time for a quick discussion. Thanks.

@pasion0128

★•══•★ Hi client ★•══•★ I get it — you want this done right, without the back-and-forth headaches. I've handled similar work before, so I know where things usually break and how to fix them fast. My approach is simple: I dig into the core issue, build a clean solution, and test it thoroughly before handing it over. No guesswork, no "works on my machine" surprises. Just solid, reliable results. You'll get clear communication and a finished product that actually holds up. I don't disappear mid-project, and I don't overpromise. Got a deadline in mind, or want to chat about the details first? Best regards, Rico

@tobiask5

Hi, I can build your custom BPM system with a scalable architecture using Node.js, TypeScript, React, and PostgreSQL. I understand this is a business management platform, not a simple website. I would structure the system around clear modules for projects, contracts, customers, suppliers, procurement, RFQs, quotations, purchase orders, logistics, costs, budgets, documents, tasks, notifications, dashboards, and reporting. The backend would use a secure API architecture with PostgreSQL and strict RBAC. Each role would have controlled access to both data and functionality. I would also implement complete audit logging, secure authentication, attachment management, validation, backups, and recovery procedures. I would develop the project in milestones: 1. Architecture, database schema, authentication, and RBAC. 2. Projects, customers, suppliers, contracts, and procurement. 3. RFQ, quotation, PO, shipment, and logistics workflows. 4. Costs, budgets, profitability, documents, and tasks. 5. Dashboards, notifications, audit logs, security, and reporting. 6. VPS deployment, testing, documentation, backup, and final optimization. All source code, database, credentials, and infrastructure will remain under your company's ownership and control. I’m comfortable working with existing VPS infrastructure and Git-based milestone delivery. I can also provide a clear explanation of my role in relevant ERP, CRM, or operations-management systems I have developed.

@arslanshahid386

Hi, I can help you with this project. I have relevant experience with Node.js, React.js and can handle the work from development to testing and delivery. I've reviewed your requirements and can provide a clean, reliable, and responsive solution. Let's discuss the details and get started. Best, Arslan Shahid

@melopgabriel

Hi, I understand you need more than a website , a secure internal BPM system that connects projects, procurement, logistics, documents, reporting, and department-specific access in one maintainable platform. I’ve built full-stack business applications with Node.js, TypeScript, React, and PostgreSQL, including role-based workflows, audit trails, dashboards, and structured data models for operational systems. My approach would be to design the core architecture first, then deliver the system in milestones: authentication and RBAC, master data, project and procurement workflows, document handling, reporting, and deployment on your VPS. I focus on clean code, clear documentation, secure access, and making sure you own every part of the stack. If you’d like, I can outline a practical milestone plan for the first release. Best regards, Gabriel

@mughiraaa

hi, i have reviewed the details of your project. i have solid experience building business management systems with node.js, typescript, react, and postgresql. i can develop the system in milestones, covering projects, contracts, customers, procurement, rfqs, orders, logistics, budgets, profitability, documents, tasks, dashboards, and role based access. i will also implement secure authentication, audit logs, backups, and recovery with a clean architecture that is easy to maintain. i have worked on similar business and management platforms and can share relevant examples and explain my exact role during the chat. all source code, database, server access, and credentials will remain under your company’s control. can we schedule a quick meeting to discuss the project in detail. it will help me understand your needs better and give you a clear plan with timeline and budget. i will also share my portfolio during the chat. mughiraa

@CorporateRD

Hi there, I understand that you want to develop a custom internal ERP/Business Operations Management System to manage projects, contracts, customers, procurement, suppliers, shipments, costs, documents and team tasks in one platform. It will use Node.js/TypeScript, React and PostgreSQL, with strong security, RBAC, audit logs and company-controlled VPS deployment. Right? Can you walk us through one complete project from the moment a new contract is received until the project is completed? For the procurement workflow, how does an RFQ normally move inside your company, from requesting an item to getting supplier quotations, selecting a supplier, approving the purchase and finally receiving the goods? For project profitability, which costs should be connected to each project, purchases, shipments, employee time, supplier costs, or other expenses? Also, how do you currently calculate the final project profit? I start by understanding your business workflow and planning the right architecture, database, and user roles. Then I build the core modules, test each milestone, deploy on your VPS, and keep the system ready for future features and integrations. Let's jump over an on-site chat or call to walk through everything to avoid confusion. Budget and Duration are placeholders. Kind Regards, Royal Design :)

@mahads31

With my comprehensive experience in full-stack development, I am highly confident in my ability to deliver the exact system you require with a focus on clean architecture and robust security to meet your long-term needs. My proficiency with Node.js, TypeScript and React - the exact technology stack you prefer for this project- combined with my knack for transforming ideas into efficient, scalable systems makes me your ideal candidate. I have a strong track record of partnering with startups and growing businesses as their long-term technology partner - just the kind of cooperation you need for a complex project like this. Finally, I understand the value of your data and take it seriously. As an ethics-oriented professional, I always abide by my clients' ownership and control requirements while ensuring robust security measures and effective backup systems. By choosing me as your Senior Full-Stack Developer, you are not only gaining technological skills but gaining a reliable partner who will be fully dedicated to achieving your project goals on time

@chiragpipal

⚠️ If you're not happy, you don’t pay. ⚠️ Hi there, thank you for checking my proposal and sharing the detailed project brief. I can build your custom web-based Business Management System using Node.js, TypeScript, React, and PostgreSQL with a highly scalable and secure design. I will deliver: - Comprehensive project and contract management modules - Customer and supplier lifecycle management - Streamlined procurement and purchasing workflows - Automated RFQ, quotations, and purchase orders - Advanced shipment and logistics tracking - Budgeting, cost management, and profitability analytics - Robust document management and audit logs - Secure Role-Based Access Control (RBAC) You will also receive: - Detailed documentation - 30 days of post-launch support I am confident I can execute your vision professionally and efficiently. Looking forward to discussing timeline and next steps. Best regards, Chirag Pipal