Principal Engineer

LMG; City of Melbourne; Hybrid; AUD 150,000 - 210,000; Full time

Benefits offered by this job

Hybrid work

Parental leave

Fertility leave

Volunteer day

Study leave

Job summary

Loan Market Group (LMG) is seeking a Principal Engineer to lead development across our mortgage, asset finance, insurance and financial planning platforms. You will guide technical decisions, mentor teams, and drive rapid prototyping of greenfield SaaS modules while maintaining high performance and scalability.

Join a fast-paced, entrepreneurship-driven environment with hybrid work, strong collaboration across local and remote teams, and a focus on AI-enabled product delivery.

Qualifications

• Academic qualifications preferred, not essential - Bachelor in Computer Science, Computer Engineering or similar.
• Extensive experience developing complex web-based software in a team environment.
• Be Autonomous.
• Strong communication.
• Understanding that software is a team sport.
• Strongly product-mind, aligning technical execution with product vision, user needs, and business value.
• AI agentic mindset and adaptability to rapid technological changes.
• Proactive willingness to experiment with and evaluate new AI tools.

Responsibilities

• Guide the technical decisions made and implemented across all products created by the team.
• Lead, by example and as a mentor, other team members towards a positive development culture.
• Develop higher-order, SaaS-like software modules for consumption by broker businesses, end consumers, and third parties
• Refine live software products based on performance metrics and customer feedback.
• Validate new product concepts with rapid prototyping.
• Act as a technically minded, hands-on team lead and mentor for both local and remote development teams
• Responsible and accountable for overall quality, stability and performance of the software delivered by the engineering teams led.
• Contribute to a technology ecosystem of in-house software, purchased products and 3rd-party integrations.
• Provide technical support to the customers and customer-facing corporate staff that use our software.
• Proactively learn new skills and technology that can advance product development within the team.
• Bring your curiosity and we will give you freedom, influence and responsibility
• Establish and implement AI-driven and agentic development processes across teams.
• Drive rapid prototyping, greenfield builds, and iterative development in a fast-paced startup environment.

Skills

Autonomous

Strong communication

Product-minded

AI agentic mindset

Team collaboration

Entrepreneurial mindset

Education

Bachelor in Computer Science/Computer Engineering

Tools

MassTransit

Docker

Terraform

AWS

Octopus Deploy

GitHub Actions

React/Angular/Vue

Bash scripting

ASP.NET/.NET 8

Job description

We are Australasia’s largest privately owned aggregator group, backing more than 6,000 brokers and advisers across Australia and New Zealand. Partnering with over 110 banks and lenders, we support independent businesses alongside our own Loan Market brand. In FY26, our brokers helped over 400,000 people settle over $167 billion in loans and reached a collective loan book of $428 billion, proof of what happens when scale meets real drive.

We live our values in everything we do. Compassion for our customers, doing what we say, being curious and thinking openly, going further together. We’re ambitious, but we keep our feet on the ground, always hungry, always humble, and focused on being the absolute best at what we do. We were proud to be named Australian Financial Review BOSS Best Place to Work - Banking, Superannuation and Financial Services & in 2025!

About the role -

Join our Tech team under the Executive Leadership of Whitney Cali our new Group Executive - Tech, Product and Data. As a team we provide technology infrastructure and services to deliver the full range of financial services including mortgages, asset finance, insurances and financial planning across Australia and New Zealand. Our operational focus is to provide efficient enabling technology, managing information strategically, and expanding and improving our service delivery.

We are agile, fast-moving, and operate with an entrepreneurial, startup mindset. We focus on greenfield development, building innovative new products from scratch, and driving high-impact solutions while having the backing, resources, and scale of a larger organisation.

This role is responsible for development and maintenance of software created by Loan Market Group. In particular:

• Technical leadership
• Production operations
• Software and cloud infrastructure improvement and maintenance
• Technical support
• Rapid prototyping
• Agentic development workflow setup
• Greenfield product development and innovation

As a Principal Engineer, your core role is to provide technical leadership and to foster a collaborative and supportive team environment. For further guidance about the role, please refer to: https://github.com/loanmarket/career-ladder/blob/main/Engineering.md

Key Responsibilities -

• Guide the technical decisions made and implemented across all products created by the team.
• Lead, by example and as a mentor, other team members towards a positive development culture.
• Develop higher-order, SaaS-like software modules for consumption by broker businesses, end consumers, and third parties
• Refine live software products based on performance metrics and customer feedback.
• Validate new product concepts with rapid prototyping.
• Act as a technically minded, hands-on team lead and mentor for both local and remote development teams
• Responsible and accountable for overall quality, stability and performance of the software delivered by the engineering teams led.
• Contribute to a technology ecosystem of in-house software, purchased products and 3rd-party integrations.
• Provide technical support to the customers and customer-facing corporate staff that use our software.
• Proactively learn new skills and technology that can advance product development within the team.
• Bring your curiosity and we will give you freedom, influence and responsibility
• Establish and implement AI-driven and agentic development processes across teams.
• Drive rapid prototyping, greenfield builds, and iterative development in a fast-paced startup environment.

To succeed in this role you will bring with you -

• Academic qualifications preferred, not essential - Bachelor in Computer Science, Computer Engineering or similar.
• Extensive experience developing complex web-based software in a team environment
• Be Autonomous
• Strong communication
• Understanding that software is a team sport
• Strongly product-mind, actively aligning technical execution with product vision, user needs, and business value
• AI agentic mindset and adaptability to rapid technological changes
• Proactive willingness to experiment with and evaluate new AI tools, treating failures as valuable learning opportunities
• Thrives in an entrepreneurial, fast-paced environment with a passion for building user-centric software from scratch

Must have experience:

• .NET 8 and ASP.NET;
• Database design and advanced SQL
• Experience with a modern web UI framework (React/Angular/Vue)
• Dev ops - Bash scripting, GitHub Actions, Infra as code (Terraform), AWS and Octopus Deploy;
• Proven experience setting up and optimising AI-driven and agentic development processes and workflows
• Hands-on experience delivering greenfield projects and building products from zero to one
• Event-driven architecture and abstraction libraries e.g. MassTransit;
• Containerised Development - Docker Desktop or similar

Our benefits -

• Flexibility & Balance: Hybrid work (min. 2 office days per week, including a team anchor day), 6 additional ‘Me’ leave days, flexible public holiday swaps, and options to purchase additional annual leave.
• Family & Wellbeing: 16 weeks paid parental leave (plus superannuation support), paid fertility treatment leave, 12 days personal leave, and access to the Sonder wellbeing app.
• Growth & Development: Dedicated paid study leave and L&D programs for each stage of your career
• Community: Participation in the Loan Market Group Foundation (with donation matching) and a paid volunteer day.

Using AI in your application:

At LMG we embrace innovation, and we are comfortable with candidates using AI tools to assist in preparing their application. We encourage you to use these tools to polish your resume but please be mindful that your application should remain an honest representation of your own experience and qualifications. We are keen to get to know your true capabilities and how your specific background aligns with our team, which we will explore further in our conversations and interviews.