Senior Software Engineer

Sidekicker; City of Melbourne; Hybrid; AUD 140,000 - 190,000; Full time

Job summary

Sidekicker, acquired by SEEK, is seeking a Senior Software Engineer for a 12-month fixed-term contract. You’ll build and maintain systems used by thousands of workers and businesses across Australia and New Zealand.

Join a cross-functional team delivering end-to-end features with a focus on quality, architecture, and scalable software. Experience with PHP backend, React, and TypeScript is highly valued.

Qualifications

• 6+ years in software development, owning systems end to end.
• Comfortable making architectural decisions and navigating tradeoffs.
• Track record of driving technical improvements beyond immediate tasks.
• Familiarity with cloud infrastructure (AWS preferred).
• Strong PHP backend experience, or comparable language with ability to pick up PHP quickly.
• Full-stack experience, especially with React and TypeScript, a plus.

Responsibilities

• Write code that thousands of Sidekicks and businesses rely on daily.
• Collaborate with Product and Design to shape product specs.
• Contribute to the quality and maintainability of long-lived systems while shipping regularly.
• Help shape how we build software, including testing, observability, maintainability and AI tools.
• Be part of a tight-knit, high-performing team that values trust and respect.

Skills

Pragmatic software

Problem solving

Agile adaptability

Clear communication

Clean code

Architectural decisions

AWS familiarity

Tools

PHP backend

React

TypeScript

AWS

Job description

Recently acquired by SEEK, Sidekicker is one of Australia's most exciting home-grown startups! Launched in 2013, Sidekicker is Australia and New Zealand's largest online staffing platform, using technology to radically improve how businesses hire and manage casual, temporary and contract staff.

Sidekicker is dedicated to ensuring every worker finds the right job, and every job finds the right worker. We employ over 15,000 casual staff, or 'Sidekicks', seamlessly connecting them with businesses across the healthcare, hospitality, events, industrial and promotions industries.

Who we are:

Recently acquired by SEEK, Sidekicker is one of Australia's most exciting home-grown startups! Launched in 2013, Sidekicker is Australia and New Zealand's largest online staffing platform, using technology to radically improve how businesses hire and manage casual, temporary and contract staff.

Sidekicker is dedicated to ensuring every worker finds the right job, and every job finds the right worker. We employ over 15,000 casual staff, or 'Sidekicks', seamlessly connecting them with businesses across the healthcare, hospitality, events, industrial and promotions industries.

Why you’ll love working with us:

• Flexibility first - Remote-friendly and open to highly skilled Senior Software Engineers based interstate. If hybrid work is what you prefer, you will join us in SEEK’s state of the art offices across AUS & NZ.

• High-trust culture - Ownership, autonomy and support to do your best work!

• Real impact - Build technology that transforms people’s working lives!

• Tight-knit team - Join a group of engineers who value learning, collaboration and growth!

*Please note: This is a 12-month fixed-term contract, with the potential for extension or transition to a permanent position.

How you’ll make an impact:

As a Senior Software Engineer at Sidekicker, you’ll build and maintain the systems that thousands of workers and businesses rely on daily. With the engineering team scaling and significant architectural decisions ahead, you’ll have real influence over how our platform evolves - not just what we build, but how we build it.

You’ll work within a cross-functional product team that owns features end to end, from development through to release and iteration. This is a role for someone who wants to solve meaningful technical problems, raise the bar on engineering quality, and continue growing their impact.

What you’ll do:

• Write code that thousands of Sidekicks and businesses rely on every day

• Collaborate with Product and Design to help shape product specifications

• Contribute to the quality and maintainability of long-lived systems while continuing to ship regularly

• Help shape how we build software, including testing, observability, maintainability and the practical use of AI tools

• Be part of a tight-knit, high-performing team that values trust and respect for one another

What we’re looking for:

Key skills & qualities:

• Pragmatic approach to building and testing software

• Strong problem-solving skills and curiosity for tackling complex challenges

• Adaptability to agile environments and shifting priorities

• Clear, effective communication skills

• Solid engineering fundamentals and a commitment to writing clean, high-quality code

Experience we’d love to see:

• 6+ years in software development, with experience owning systems end to end

• Comfortable making architectural decisions and navigating tradeoffs

• Track record of driving technical improvements beyond your immediate tasks

• Familiarity with cloud infrastructure (AWS preferred)

• Strong PHP backend experience, or comparable language with the ability to get up to speed in PHP quickly

• Full-stack experience, especially with React and TypeScript, is a plus

We’re gearing up for big things ahead and are seeking strong, motivated operators to join us on the journey.