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🔌 Back-End Development

The Engine
Under the Hood.

Scalable APIs, real-time databases, and cloud infrastructure that power apps reliably — whether you have ten users or ten thousand. Built to grow with you.

Start a Project See the Stack
// Tech Stack

Skills & Tools

A battle-tested back-end stack focused on reliability, real-time capability, and rapid development.

🔐
Authentication & Authorisation
Secure login flows with Firebase Auth — email/password, Google Sign-In, and custom token strategies.
🛡️
Security
Firestore security rules, server-side validation, and access control that keeps data safe without exposing logic to the client.
🗄️
Databases
Firestore (NoSQL), Room DB (SQLite), and relational database design — choosing the right tool for the use case.
📐
Data Modelling
Structuring collections, documents, and relationships for clarity, query efficiency, and long-term scalability.
🌐
API Design
Clean, well-structured REST APIs with predictable endpoints, consistent error handling, and clear contracts.
⚡
Real-Time Systems
Firestore live listeners and WebSocket-style data sync — updates that reach every client the moment they happen.
🔗
API Integration
Connecting apps to third-party services via REST and SDK — Retrofit on Android, fetch/axios on the web.
🔍
Debugging & Diagnosis
Systematic root-cause analysis across Firestore, auth flows, and network layers — finding what's broken and why.
📦
File Storage
Firebase Storage for user-generated content — images, avatars, and documents uploaded, stored, and served reliably.
📧
Email
Transactional email via services like Formspree, EmailJS, and Firebase Extensions — contact forms, notifications, and confirmations.
🟢
Node.js
Lightweight, performant server-side logic and API endpoints — ideal for custom back-end functions and middleware.
☁️
Serverless Architecture
Firebase Cloud Functions and serverless patterns — back-end logic that scales automatically with zero server management.
🚀
DevOps & Deployment
GitHub Pages, Firebase Hosting, and CI/CD pipelines — shipping reliably from code to production.
💳
Payment Processing
Stripe integration for secure payment flows — one-time purchases, subscriptions, and webhook handling.
// How I Work

My Back-End Process

Good back-end work is invisible — users never think about it because everything just works.

Scope

Understanding your data model, user flows, and scale requirements before writing a single line.

Design

Structuring your database, auth flows, and API contracts for clarity and long-term maintainability.

Build

Implementing with security rules, error handling, and real-time capabilities baked in from the start.

Secure

Firestore rules and auth checks that enforce data access — no sensitive logic exposed to the client.

Handoff

Clean documentation of endpoints, data models, and rules — so you or another dev can pick it up easily.

// Work

Back-End Projects

🤝
Android App — Back-End
Skills United

Firebase back-end powering a peer-to-peer skill-exchange platform. Architecture includes Firestore for real-time chat and user profiles, Firebase Auth for secure login and unique username reservation via atomic batch writes, Firebase Storage for avatars, and Firestore security rules enforcing per-user data access.

In Active Development
Firebase Auth Firestore Firebase Storage Security Rules Real-Time Listeners Batch Writes
🖼️
Full-Stack Website — Back-End
Airlie Beach Art

A full-stack original art shop built from the ground up. Allows the owner to list original paintings for sale, manage the gallery as admin, accept real card payments via Square, calculate real Australia Post shipping rates, and receive full order details by email and in an admin orders panel.

GitHub Vercel Square APIs Domains
// Investment

Pricing

Back-end work is scoped per project. These ranges give you a starting point — complexity and scale determine the final quote.

Starter
$400 / project

Firebase setup for a simple app — auth, database, and basic security rules.

  • Firebase project setup
  • Email/password auth
  • Firestore data model
  • Basic security rules
  • 1 round of revisions
Standard
$1,200 / project

Full Firebase back-end with real-time data, storage, and production-grade security.

  • Full Firebase setup
  • Real-time Firestore listeners
  • Firebase Storage
  • Production security rules
  • REST API integration
  • 3 rounds of revisions
Custom
Let's talk

Complex data architectures, Node.js APIs, or ongoing back-end development and support.

  • Custom data architecture
  • Node.js API development
  • Advanced integrations
  • Ongoing development
  • Priority support

All prices in AUD. Final quote provided after project scoping.

// Get Started

Start Your Back-End Project

Tell me about your app's data and infrastructure needs and I'll get back to you within 24 hours.

✅ Message sent! I'll be in touch within 24 hours.