As a Senior Full Stack Engineer at this company, you will be responsible for designing and building a scalable system architecture for an AI-driven SaaS platform. Your role will involve architectural thinking, layered design, and building a reusable SaaS foundation. You will work closely with the founders and later collaborate with an AI Lead to extend intelligence capabilities on top of the platform.

• *Role Overview:**
- Architect and build a modular SaaS platform supporting multi-tenant structure, multi-stage workflows, AI control panels, cross-channel execution, reporting, and AI orchestration.
- Work closely with founders and AI Lead to extend intelligence capabilities.
- Hands-on role with real system ownership and long-term growth into platform leadership.

• *What You Will Design & Build:**
• *Core SaaS Foundation**
- Multi-tenant architecture
- User & organization management
- Role-based access control (RBAC)
- Audit logs & activity tracking
- API versioning & structured service layers
- Configurable tenant-level settings

• *Workflow & Process Engine**
- Multi-stage configurable workflows
- State management across steps
- Conditional branching & execution logic
- Task tracking & retry handling
- Process logging and auditability

• *Execution & Integration Framework**
- Third-party API connectors
- Webhooks & event-driven triggers
- Async job processing & queue systems
- Cross-channel execution logic
- Failure handling & retries

• *AI Integration Layer**
- Clean AI abstraction layer
- Multi-model routing
- Retry/fallback handling
- Guardrails & structured output validation
- Async AI workflows

• *Dashboards & Reporting**
- Backend support for multi-level dashboards
- Aggregated metrics & reporting pipelines
- Historical data tracking
- Background analytics jobs
- Export-ready reporting architecture

• *Cloud & Infrastructure (GCP Primary)**
- Experience with Cloud Run, Cloud SQL, Pub/Sub, IAM configuration, CI/CD pipelines, monitoring & logging

• *Technical Requirements:**
• *Backend**
- Strong Node.js/TypeScript
- REST API design & clean service layering
- Postgre SQL schema design
- ORM experience (Prisma or similar)
- Caching strategies (Redis or equivalent)
- Async job processing

• *Frontend**
- React/Next.js
- Scalable component architecture
- API-driven frontend design

• *Dev Ops Awareness**
- Docker
- CI/CD
- Production deployment experience

• *Responsibilities:**
- Design a clean layered architecture
- Actively write and review code
- Own core modules of the platform
- Improve development efficiency
- Mentor junior engineers
- Ensure scalability and maintainability

• *Ideal Candidate Profile:**
- 811 years of experience in software engineering
- Experience building SaaS products
- Strong backend engineering background
- Comfortable with cloud deployments
- AI-aware and interested in building AI-driven platforms
- Ownership mindset and strong problem-solving ability

• *Application Requirement (Must Share):**
- SaaS systems youve designed and built
- Your role in architecture/design
- Experience with workflow or complex backend systems
- Any AI-integrated production systems
- Cloud deployment experience

Joining this company will provide you with the opportunity to help build the core architecture of an AI-driven workflow SaaS platform from the ground up and grow into a platform leadership role. As a Senior Full Stack Engineer at this company, you will be responsible for designing and building a scalable system architecture for an AI-driven SaaS platform. Your role will involve architectural thinking, layered design, and building a reusable SaaS foundation. You will work closely with the founders and later collaborate with an AI Lead to extend intelligence capabilities on top of the platform.

• *Role Overview:**
- Architect and build a modular SaaS platform supporting multi-tenant structure, multi-stage workflows, AI control panels, cross-channel execution, reporting, and AI orchestration.
- Work closely with founders and AI Lead to extend intelligence capabilities.
- Hands-on role with real system ownership and long-term growth into platform leadership.

• *What You Will Design & Build:**
• *Core SaaS Foundation**
- Multi-tenant architecture
- User & organization management
- Role-based access control (RBAC)
- Audit logs & activity tracking
- API versioning & structured service layers
- Configurable tenant-level settings

• *Workflow & Process Engine**
- Multi-stage configurable workflows
- State management across steps
- Conditional branching & execution logic
- Task tracking & retry handling
- Process logging and auditability

• *Execution & Integration Framework**
- Third-party API connectors
- Webhooks & event-driven triggers
- Async job processing & queue systems
- Cross-channel execution logic
- Failure handling & retries

• *AI Integration Layer**
- Clean AI abstraction layer
- Multi-model routing
- Retry/fallback handling
- Guardrails & structured output validation
- Async AI workflows

• *Das