Contact person: Business Client

Phone:Show

Email:Show

Location: Quito, Ecuador

Budget: Recommended by industry experts

Time to start: As soon as possible

Project description:
"JavaScript – Level 3

Python – Level 2 or Level 3

MySQL – Level 1 (or PostgreSQL if available)

AJAX Programming

Preferred Freelancer Program SLA Exam


Important — Read Carefully Before Applying

This project requires a SaaS-native backend executor.

If your background is primarily:

general web development,

mixed agency work,

WordPress / brochure sites,

exploratory or discussion-heavy builds,

please do not apply.

We are specifically looking for someone who has hands-on experience executing SaaS backends, including:

Backend Integration & Deployment — Milestones, Timeline & Fixed Price
Execution model: Fixed-price, execution-only
Timeline: 7–10 calendar days
Pace: Full-time execution (not part-time, not exploratory)
Frontend: Final and unchanged

Milestone 1 — Foundation, Environment & Auth
Duration: 1 day
Payment: $100

Scope

Backend environment setup (Node / Nest)

Database connection and schema initialization

Environment variables configured (local + staging)

Authentication system:

Login / signup

JWT access + refresh tokens

Secure password handling

Role-based access control:

Owner

Agent

Developer / Admin

Backend reachable and authenticated

Exit Criteria

Auth works end-to-end

Roles enforced server-side

Milestone 2 — Core Domain APIs
Duration: 2 days
Payment: $125

Scope

Teams & seat management

Team creation

Seat limits

Role enforcement per team

Leads module

Lead creation

Assignment

Status updates

Properties module

Create / edit / publish

Sale / rent flags

Media handling

Server-side validation & permissions

Exit Criteria

Core APIs functional

Seat and role enforcement active

Milestone 3 — Payments & Subscriptions
Duration: 2 days
Payment: $125

Scope

PayPal subscription integration

Plan mapping and seat-based billing logic

Webhook handling:

Subscription create / update / cancel

Seat changes enforced automatically

Payment state enforced server-side

Access restrictions based on subscription status

Exit Criteria

Billing fully automated

Seats enforced immediately via webhooks

Milestone 4 — Third-Party Integrations
Duration: 1.5 days
Payment: $125

Scope

Mapbox integration (properties + location)

WhatsApp API (API-level only)

AI assistant backend endpoints

Push notifications (Web / PWA)

Cloud storage for uploads

Integration isolation via service wrappers

Exit Criteria

All integrations live

No blocking of core flows

Milestone 5 — Analytics & Reporting
Duration: 1 day
Payment: $100

Scope

Event logging for core actions

Analytics endpoints (read-only)

Weekly report generation

Monthly report generation

Admin visibility for metrics

Exit Criteria

Reports generated correctly

Metrics align with system data

Milestone 6 — Frontend Integration & QA
Duration: 1.5 days
Payment: $100

Scope

Connect backend APIs to existing Netlify frontend

Validate all user flows:

Owner

Agent

Admin

Subscription lifecycle testing

Lead, property, team, and payment validation

Backend-only bug fixes

Exit Criteria

Frontend fully functional with real backend data

Milestone 7 — Deployment & Production Readiness
Duration: 1 day
Payment: $100

Scope

Production deployment (Render / Railway / AWS)

Production environment variables

Logging and error handling

Basic security checks (rate limiting, auth guards)

Final end-to-end verification

Exit Criteria

System live, stable, and production-ready

Summary
Total Milestones: 7

Total Fixed Price: $775 USD

Total Timeline: 7–10 days

No hourly billing

No discovery

No frontend changes

Sequential execution only

Important Notes
This is plug-and-play backend execution

Frontend is final

Scope is fully defined

Milestones must be followed exactly in this order

Payment released only upon milestone completion" (client-provided description)