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Project Overview We are building a multi-tenant SaaS platform for structured workflow management, task orchestration, and auditable system activity across organizations. This is a system-level application, not a simple CRUD tool or marketing website. It involves strict data isolation between organizations, real-time updates, and compliance-aware architecture. The platform includes: Multi-tenant architecture with secure org-level data isolation Role-based access control and workflow ownership rules Immutable audit logging of system activity (user actions, reads, and file access) Real-time task, message, and notification updates Secure file storage with signed access controls Complex workflow engine (task lifecycle, escalation, and state transitions) Cross-platform delivery (web application with future desktop/mobile support) We are prioritizing strong system design, security thinking, and scalable architecture, not just UI development. What We’re Looking For We are seeking experienced engineering teams or senior developers who have built: Multi-tenant SaaS platforms PostgreSQL-based systems with strong schema design Row-Level Security (RLS) or equivalent data isolation models Authentication + session routing systems Real-time or event-driven applications Workflow or task management systems with complex business logic Strong preference for teams experienced in: Secure system architecture Audit logging / compliance-aware design (SOC 2 / HIPAA-style patterns) Supabase or similar Postgres-backed infrastructure TypeScript + modern full-stack frameworks (e.g., [login to view URL]) Please complete - [login to view URL]
Project ID: 40420891
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46 freelancers are bidding on average $26 USD/hour for this job

Hi, To build a multi-tenant SaaS platform, I'll design a secure architecture with strict data isolation and real-time updates. This will include: - Implementing multi-tenant architecture with secure org-level data isolation - Developing role-based access control and workflow ownership rules - Setting up immutable audit logging of system activity - Creating a complex workflow engine for task lifecycle management - Ensuring secure file storage with signed access controls - Building a cross-platform web application with future mobile support I will follow a structured approach, focusing on security and scalability throughout the development process. Ready to start once you provide the necessary access and details. Thanks!
$20 USD in 40 days
8.3
8.3

Hi there, I will architect your multi-tenant workflow platform — org-level data isolation via PostgreSQL RLS, immutable audit logging, and a state-machine-driven workflow engine with escalation rules and lifecycle transitions. For audit compliance, I will implement append-only log tables with pg_audit extensions and row-level policies that enforce tenant boundaries even at the query layer — ensuring no cross-org data leakage regardless of application-level bugs. Questions: 1) Are you using Supabase already, or is the Postgres infrastructure still open? 2) What workflow states and escalation triggers have you defined so far? Looking forward to discussing further. Best regards, Kamran
$19 USD in 40 days
8.5
8.5

Drawing from my decade-long involvement in the tech industry, and the capacity to secure data, design schemas, and develop platforms, I would be the perfect fit for your multi-tenant SaaS workflow management system project. My team and I at Web Crest don't just focus on creating applications with strong UIs - we understand the vital importance of a system's architecture, scalability, and security features. Over the years, my firm has successfully built multi-tenant SaaS platforms in addition to deploying type-safe languages like TypeScript and relevant frameworks similar to Next.js. Furthermore, we are experienced in secure architectural designs and compliance-aware logging that align with patterns associated with SOC 2 or HIPAA requirements. These skills will prove invaluable as we construct your task-based workflow app especially with row-level security for isolation models using PostgreSQL. Being a 10-member team of professionals who prioritize clear communication, transparency, and consistent positive feedback, we aim to foster a productive partnership with you. Finally, our ability to comprehend both technology and its ultimate impact on business sets us apart. To put simple: our aim is to not only create but develop customized solutions that grow alongside your organization. Let's achieve that together with your multi-tenant SaaS!
$20 USD in 40 days
6.5
6.5

Your platform’s key challenges are strong data isolation, real-time updates, and compliance-grade audit logging—all within a multi-tenant SaaS framework. I've built similar PostgreSQL-based SaaS systems using row-level security to enforce strict org-level data separation. That approach not only keeps data safe but scales cleanly as you add tenants. For real-time task and notification updates, event-driven architectures with websockets or server-sent events have worked well in past projects to provide low-latency, consistent updates across roles and devices. Implementing immutable audit logs that track user reads and file access early will save rework and support compliance. I’m curious what your current thoughts are on session routing—do you plan to handle multi-org session context at the middleware or database level? Also, have you considered using Supabase for seamless integration of your Postgres backend with auth and storage? These can speed up development considerably. I can help translate your workflow engine requirements into scalable domain models with clear state transitions and escalation triggers. Once the core system design ensures security and compliance, extending to web and desktop clients will be straightforward. Ready to review your existing architecture and get started on a secure, scalable foundation.
$20 USD in 7 days
6.0
6.0

Hello! I am a US-based senior software engineer with extensive experience in PHP, C#, PostgreSQL, and Next.js. I carefully reviewed your project description for the multi-tenant SaaS workflow management platform, and I believe my skills align perfectly with your requirements. With over 15 years of experience in building scalable software solutions, I am confident in delivering a robust platform that meets your goals. To ensure I fully grasp your vision, could you please clarify the following questions to help me better understand the project? 1. What specific workflows do you envision the platform managing? 2. Are there any particular integrations or APIs that need to be included from the start? 3. What is your timeline for launching the initial version of the platform? My approach would involve phases: starting with requirements gathering, followed by architecture design, and then iterative development and testing. This ensures we stay aligned and adapt to any changes along the way. I am committed to creating a solution that is not only technically sound but also user-friendly and maintainable. Let's discuss how we can turn your vision into reality. Looking forward to your response! Best, James Zappi
$50 USD in 30 days
5.3
5.3

Lets chat, a free consultation and no obligation. I understand you need a clean, professional, and user-friendly solution for your "Multi-Tenant SaaS Workflow Management Platform" project. My skills in PHP, Java, JavaScript are a perfect fit for this project. While I am new to freelancer.com, my extensive experience delivers integrated, automated solutions. Regards, Jason McLachlan
$15 USD in 3 days
1.8
1.8

Fort Myers, United States
Member since Aug 26, 2009
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