Senior Full Stack Dev – SaaS & AI Platform

Semcom Visual Communication; Sydney; Hybrid; AUD 140,000 - 180,000; Full time

Job summary

Semcom Visual Communication in Sydney is seeking a senior full stack developer to build and scale a SaaS platform with a focus on security, performance, and multi-tenant architecture.

You’ll work on frontend and backend systems, integrate AI-assisted development tools, review code, and guide projects from design through deployment in a hybrid Sydney-based role with possible remote work across Australia.

Qualifications

• Experience building and scaling SaaS platforms with strong security practices.
• Ability to review AI-generated code and work within an existing codebase.
• Strong autonomy and ability to guide projects from design to deployment.

Responsibilities

• Build and evolve new systems to support business teams.
• Review architecture for performance, security, and scalability.
• Implement multi-tenant data separation and secure permissions.
• Develop frontend/backend functionality and integrate third-party APIs.
• Introduce automated testing and continuous improvement.

Skills

React

TypeScript

JavaScript

Node.js

PostgreSQL

SQL

Supabase

REST APIs

Webhooks

Multi-tenant SaaS

Authentication

Application security

Git

GitHub

Tools

Lovable

Cursor

Replit

Bolt

AI-assisted development tools

Job description

Semcom Visual Communication in Sydney is seeking a senior full stack developer to build and scale a SaaS platform with a focus on security, performance, and multi-tenant architecture.

You’ll work on frontend and backend systems, integrate AI-assisted development tools, review code, and guide projects from design through deployment in a hybrid Sydney-based role with possible remote work across Australia.