Senior Backend Engineer - AI-Driven, Remote-First Platform

Biza.io; Sydney; Remote; AUD 120,000 - 180,000; Full time

Job summary

Biza.io is seeking a Senior Software Engineer to join a remote-first team delivering secure, scalable SaaS platforms across Australia. You will shape platform architecture, drive engineering standards and explore AI-assisted development to improve delivery velocity and quality.

You will work primarily on backend services using Spring Boot and TypeScript, with Frontend Next.js experience desirable, and collaborate with product managers and SREs to ensure reliable, scalable outcomes.

Qualifications

• Experience building and operating complex SaaS software.
• Strong backend, coding and system design skills with Spring Boot.
• Knowledge of AI-enabled development and modern engineering workflows.

Responsibilities

• Lead the design, development and delivery of secure, scalable product features.
• Influence architecture, technical decisions and engineering standards.
• Improve engineering quality with AI-enabled code reviews and testing.
• Collaborate with engineers, SREs and product managers to deliver reliable services.
• Resolve complex technical challenges and mentor teammates.
• Leverage AI capabilities to accelerate delivery while balancing quality and security.

Skills

SaaS backend

Spring Boot

TypeScript (node)

OAuth

Tools

Next.js

OAuth libraries

Job description

Biza.io is seeking a Senior Software Engineer to join a remote-first team delivering secure, scalable SaaS platforms across Australia. You will shape platform architecture, drive engineering standards and explore AI-assisted development to improve delivery velocity and quality.

You will work primarily on backend services using Spring Boot and TypeScript, with Frontend Next.js experience desirable, and collaborate with product managers and SREs to ensure reliable, scalable outcomes.