Senior Software Engineer

Mills Recruitment

Australia · Full-time · Mid-Senior

Pioneering Tech at Mills Recruitment - Join Us as Our First In-House Engineer

Mills Recruitment is excited to launch a newly created internal opportunity for a Senior Software Engineer to join our team in Perth. This role marks a pivotal step in our strategic growth, as we invest in building internal platforms and automation tools that elevate how we deliver recruitment services.

As our first technical hire, you’ll have a blank canvas to architect, build, and lead the development of digital products that streamline operations, enhance client service, and improve the overall candidate experience. You’ll work closely with leadership and recruitment consultants to translate ideas into robust software solutions with real commercial impact.

Key Responsibilities

Architect, develop, and maintain full-stack web applications and internal tools.
Lead technical projects across both backend (PHP, Ruby on Rails) and frontend (ReactJS, AngularJS) stacks.
Build RESTful APIs and integrate with third-party services (e.g., Stripe, Google Maps, CRMs).
Design, deploy, and manage infrastructure on cloud platforms such as Heroku and AWS.
Gather business requirements from internal stakeholders and deliver user-friendly, scalable solutions.
Drive code quality, technical documentation, and maintain a strong security posture.
Lay the foundations for a future technical team as Mills Recruitment’s tech footprint expands.

What We’re Looking For

10+ years of experience in software engineering with full stack capabilities.
Advanced knowledge of PHP frameworks (Laravel, Zend, Symfony, WordPress).
Solid experience with Ruby on Rails, along with PostgreSQL or MySQL.
Proficiency in modern JavaScript frameworks such as ReactJS and AngularJS.
Deep understanding of cloud-based infrastructure (AWS EC2, RDS, S3, Heroku).
Experience integrating APIs and building scalable backend systems.
A strategic thinker with strong autonomy, initiative, and the ability to engage across non-technical teams.
Previous exposure to recruitment, logistics, eCommerce, or enterprise applications is a plus.

Success in This Role Looks Like

Delivery of high-impact software tools that enhance productivity and client engagement.
Positive feedback from internal users and evidence of process automation gains.
Creation of clean, scalable, and well-documented codebases.
Thought leadership on technology adoption and future development practices.

Why Join Mills Recruitment?

We’re more than a recruitment agency—we’re building a modern, tech-forward firm that blends personal service with smart systems. As our first Senior Software Engineer, you’ll lead our digital transformation, influence technical direction, and create tools from the ground up that truly matter.

We offer autonomy, purpose-driven work, and the chance to shape something lasting.

Key Skills

Ranked by relevance

ruby on rails reactjs cloud ruby php restful apis javascript postgresql symfony laravel heroku aws s3

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