Tangent Corp Ltd OpenEPM.ai — Phase 1 Backend, AI & Platform Services
Budget: $750 – $1,500 USD
Project Summary-
OpenEPM.ai is an AI-powered SaaS platform focused on Enterprise Performance Management (EPM), finance transformation, and reusable consulting intelligence. The platform is being designed as a scalable AI ecosystem that combines premium EPM knowledge, AI chat capabilities, contributor workflows, and future MCP (Model Context Protocol) integrations.
We are looking for a backend/full-stack engineer to build the core backend services and AI integration layer for the MVP Phase 2 delivery.
This is a lean MVP build with long-term scalability in mind. The objective is to create a production-ready backend foundation that can later scale into a larger enterprise AI platform.
Core Responsibilities
The freelancer will be responsible for designing and implementing the backend infrastructure and platform services for OpenEPM.ai.
Main Deliverables
Backend Infrastructure
• AWS-based backend architecture
• Database setup and configuration
• API layer development
• Secure authentication and authorization
• Scalable backend service structure
AI & Platform Services
• AI chat backend integration
• OpenAI/Claude integration support
• MCP-ready architecture preparation
• Contributor workflow engine
• Content and metadata management
• File upload and storage integration
User Management
• User authentication
• Role-based access control (RBAC)
• Contributor/admin/user permissions
• Subscription access controls
Stripe Integration
• Subscription billing integration
• Checkout/session management
• Subscription status validation
• Premium access gating
Affiliate Marketing & Ecosystem Monetization Integration
Objective
The platform must be designed with built-in affiliate and ecosystem monetization capability from the beginning to support future recurring revenue streams alongside subscriptions and premium content.
Affiliate Integration Scope
The backend architecture should support future integrations with:
• Stripe affiliate/referral programs
• Tide Business Banking referral systems
• AWS/cloud partner programs
• AI ecosystem partnerships:
o Claude
o OpenAI
o Gemini
o Perplexity
• Software/tools ecosystem:
o GitHub
o Jira
o Notion
o Camtasia
o AWS services
• Travel/hotel affiliate integrations for consultants and enterprise users
________________________________________
Required Functional Features
The backend should support:
1. Admin-managed affiliate link management
2. Dynamic referral banner/content support
3. Click and conversion tracking (where APIs permit)
4. Role-based affiliate visibility
5. Affiliate analytics/reporting support
6. Modular affiliate provider onboarding
7. Mobile-responsive API structure
8. SEO-friendly content architecture
Technical Expectations
The freelancer should design the platform with scalability and modularity in mind.
Key Technical Considerations
• API-first architecture
• Scalable backend service design
• Clean modular code structure
• Future enterprise scalability
• Secure authentication and RBAC
• Stripe/Tide API assessment
• Backend analytics/reporting capability
• Cloud scalability considerations
• Future multi-LLM compatibility
Platform Direction
OpenEPM.ai is intended to support users across multiple AI ecosystems.
The platform should eventually support users bringing their own LLM subscriptions (Claude, ChatGPT, Gemini, etc.) while using OpenEPM.ai services and MCP integrations.
The backend architecture should therefore remain modular and provider-agnostic where possible.
Testing & Acceptance Requirements
The completed delivery must include successful testing of:
1. Stripe subscription flow
2. Authentication and RBAC
3. Affiliate tracking functionality
4. Mobile responsiveness
5. AI integration stability
6. Analytics/reporting outputs
7. Production deployment validation
8. File upload/storage functionality
9. API stability and security validation
Preferred Skills
Preferred experience includes:
• AWS
• Node.js / Python backend development
• SaaS architecture
• Stripe APIs
• AI/LLM integrations
• REST APIs
• Authentication systems
• Database design
• Scalable cloud applications
________________________________________
Additional Notes
• This is a start-up MVP with long-term scaling ambitions.
• Clean architecture and maintainability are very important.
• All infrastructure, source code, accounts, and intellectual property remain owned by OpenEPM.ai / Tangent Corporation.
• Freelancer must be comfortable working collaboratively across multiple future phases of development.
Timeline
Target delivery timeline will be discussed with the selected freelancer based on milestone planning and availability.
OpenEPM.ai is an AI-powered SaaS platform focused on Enterprise Performance Management (EPM), finance transformation, and reusable consulting intelligence. The platform is being designed as a scalable AI ecosystem that combines premium EPM knowledge, AI chat capabilities, contributor workflows, and future MCP (Model Context Protocol) integrations.
We are looking for a backend/full-stack engineer to build the core backend services and AI integration layer for the MVP Phase 2 delivery.
This is a lean MVP build with long-term scalability in mind. The objective is to create a production-ready backend foundation that can later scale into a larger enterprise AI platform.
Core Responsibilities
The freelancer will be responsible for designing and implementing the backend infrastructure and platform services for OpenEPM.ai.
Main Deliverables
Backend Infrastructure
• AWS-based backend architecture
• Database setup and configuration
• API layer development
• Secure authentication and authorization
• Scalable backend service structure
AI & Platform Services
• AI chat backend integration
• OpenAI/Claude integration support
• MCP-ready architecture preparation
• Contributor workflow engine
• Content and metadata management
• File upload and storage integration
User Management
• User authentication
• Role-based access control (RBAC)
• Contributor/admin/user permissions
• Subscription access controls
Stripe Integration
• Subscription billing integration
• Checkout/session management
• Subscription status validation
• Premium access gating
Affiliate Marketing & Ecosystem Monetization Integration
Objective
The platform must be designed with built-in affiliate and ecosystem monetization capability from the beginning to support future recurring revenue streams alongside subscriptions and premium content.
Affiliate Integration Scope
The backend architecture should support future integrations with:
• Stripe affiliate/referral programs
• Tide Business Banking referral systems
• AWS/cloud partner programs
• AI ecosystem partnerships:
o Claude
o OpenAI
o Gemini
o Perplexity
• Software/tools ecosystem:
o GitHub
o Jira
o Notion
o Camtasia
o AWS services
• Travel/hotel affiliate integrations for consultants and enterprise users
________________________________________
Required Functional Features
The backend should support:
1. Admin-managed affiliate link management
2. Dynamic referral banner/content support
3. Click and conversion tracking (where APIs permit)
4. Role-based affiliate visibility
5. Affiliate analytics/reporting support
6. Modular affiliate provider onboarding
7. Mobile-responsive API structure
8. SEO-friendly content architecture
Technical Expectations
The freelancer should design the platform with scalability and modularity in mind.
Key Technical Considerations
• API-first architecture
• Scalable backend service design
• Clean modular code structure
• Future enterprise scalability
• Secure authentication and RBAC
• Stripe/Tide API assessment
• Backend analytics/reporting capability
• Cloud scalability considerations
• Future multi-LLM compatibility
Platform Direction
OpenEPM.ai is intended to support users across multiple AI ecosystems.
The platform should eventually support users bringing their own LLM subscriptions (Claude, ChatGPT, Gemini, etc.) while using OpenEPM.ai services and MCP integrations.
The backend architecture should therefore remain modular and provider-agnostic where possible.
Testing & Acceptance Requirements
The completed delivery must include successful testing of:
1. Stripe subscription flow
2. Authentication and RBAC
3. Affiliate tracking functionality
4. Mobile responsiveness
5. AI integration stability
6. Analytics/reporting outputs
7. Production deployment validation
8. File upload/storage functionality
9. API stability and security validation
Preferred Skills
Preferred experience includes:
• AWS
• Node.js / Python backend development
• SaaS architecture
• Stripe APIs
• AI/LLM integrations
• REST APIs
• Authentication systems
• Database design
• Scalable cloud applications
________________________________________
Additional Notes
• This is a start-up MVP with long-term scaling ambitions.
• Clean architecture and maintainability are very important.
• All infrastructure, source code, accounts, and intellectual property remain owned by OpenEPM.ai / Tangent Corporation.
• Freelancer must be comfortable working collaboratively across multiple future phases of development.
Timeline
Target delivery timeline will be discussed with the selected freelancer based on milestone planning and availability.