WhatsApp BSP-level Project develop

*About Surefy
Surefy is building a full-scale communication & verification platform, and we are expanding our WhatsApp Business API (BSP-level product).
We already have core modules like:
Campaign Management
Template Management
Basic Messaging Flows

Now, we are looking for an expert to enhance, scale, and build advanced features similar to platforms like AiSensy / WATI / Gupshup dashboards.

Role: WhatsApp API Product & Integration Freelancer
Location: Hyderabad (Preferred) / Remote
Type: Freelance / Contract (Long-term possible)

*Objective
Build end-to-end WhatsApp Business API platform capabilities inside Surefy (BSP-like system), including advanced automation, integrations, and scalability.

*Key Responsibilities

*Platform Development (Core Focus)
Enhance existing modules:
Campaign system (bulk, segmentation, scheduling)
Template management (approval, versioning, categorization)
Build advanced WhatsApp features like AiSensy:
Flow builder / chatbot automation
Drip campaigns & sequences
Click-to-WhatsApp lead capture flows
Shared team inbox (multi-agent chat panel)
Contact management & segmentation
Analytics dashboard (delivery, read rates, conversion)

*API & Integration
Deep integration with Meta WhatsApp Cloud API / On-Prem API
Build & manage:
Webhooks (message status, replies, events)
Multi-WABA & multi-number architecture
Integrate with:
CRM systems
Internal modules (Leads, Tickets, AuthX, Surefy modules)
Third-party integrations (if needed)

*Automation & AI (Important)
Build chatbot + AI-driven workflows
Integrate OpenAI/LLM for:
Auto replies
Smart routing
Lead qualification

*System & Scaling
Ensure high throughput messaging system
Handle:
Rate limits
Quality rating
Template approvals
Optimize delivery and failure handling
Maintain logs, retries, and queue systems

*Requirements
Strong experience in WhatsApp Business API (Meta Cloud API / BSP systems)
Experience building tools similar to AiSensy / WATI / Interakt / Gupshup dashboards
Backend expertise in:
Node.js / Express.js (preferred)
PostgreSQL / scalable DB design
Strong knowledge of:
Webhooks & event-driven systems
Messaging queues (RabbitMQ / Kafka - bonus)
Experience with:
Multi-tenant SaaS architecture
High-scale messaging systems

* Bonus Skills
Experience building flow builders (like n8n / Zapier style)
Prior work on BSP-level WhatsApp platforms
AI chatbot / conversational UX experience

* What We Expect
Ownership mindset (build, not just integrate)
Ability to think product + scale
Startup-ready execution speed

*Compensation
Flexible (Project / Milestone-based)
Long-term opportunity to work on Surefy core platform