Senior Backend Engineer – AI-Driven, Remote-First

Biza.Io; Melbourne; Remote; AUD 140,000 - 190,000; Full time

Job summary

Biza.Io is seeking a Senior Software Engineer to build secure, scalable SaaS platforms in a remote-first environment across Australia. You will shape technical direction, work across backend services, and leverage AI-assisted development to accelerate delivery while maintaining quality and security.

Ideal candidates will have strong backend experience with Spring Boot and Typescript, frontend exposure with Next.js, and a track record of mentoring others and driving robust software architecture

Qualifications

• Experience building and operating complex SaaS software.
• Backend service development in Spring Boot/Typescript stacks.
• Strong system design and collaboration skills.

Responsibilities

• Lead design, development and delivery of secure, scalable features.
• Influence architecture and engineering standards across the platform.
• Mentor engineers and promote AI-enabled delivery practices.
• Partner with SREs and PMs to deliver reliable services.
• Tackle complex technical challenges and act as escalation point.

Skills

Backend development

Spring Boot

Typescript

Next.js

OAuth

AI tooling

Code reviews

System design

Mentorship

Remote work

Tools

Spring Boot

Typescript

Next.js

Job description

Biza.Io is seeking a Senior Software Engineer to build secure, scalable SaaS platforms in a remote-first environment across Australia. You will shape technical direction, work across backend services, and leverage AI-assisted development to accelerate delivery while maintaining quality and security.

Ideal candidates will have strong backend experience with Spring Boot and Typescript, frontend exposure with Next.js, and a track record of mentoring others and driving robust software architecture