Senior Software Engineer – .NET & Cloud

Contract Type:

Full Time

Location:

Sydney - New South Wales

Industry:

Contact Name:

Jason Pretorius

Contact Email:

Jasonp@coxpurtell.com.au

Contact Phone:

0292203400

Date Published:

17-Nov-2025

 

 

Senior Full-Stack Software Engineer (.NET)

Build. Ship. Improve. Repeat.

If you thrive in a proper SaaS environment — where features ship daily, architecture stays clean, and engineers influence how things are built — this role is for you.

We’re scaling quickly and looking for a Senior Engineer who wants to build product the right way: with quality, pace, and strong engineering principles. You’ll work across modern .NET, React, microservices and event-driven systems to deliver elegant, reliable and scalable software.

This is a hands-on role with influence. You’ll help shape engineering practices, guide design decisions, and mentor other engineers while making an immediate impact on the product.

What You’ll Do

Ship daily
You’ll work in a real SaaS environment with continuous delivery, tight feedback loops and a culture of constant improvement.

Design and build modern systems
You’ll use .NET, React, event-driven microservices, SQL and REST APIs to deliver clean, well-structured solutions.

Own meaningful product slices
You’ll lead epics, break down complex work, make smart engineering decisions, and contribute to process and pattern improvements.

Guide and mentor
You’ll help lift engineering standards through pairing, code reviews and mentoring junior and mid-level developers.

Tech You’ll Work With

  • .NET (C#)

  • React

  • Microservices

  • Event-driven architecture

  • SQL Server / PostgreSQL

  • REST APIs

  • Azure or AWS

  • CI/CD environments

What You’ll Bring

  • Strong experience delivering production systems in .NET (C#)

  • Solid capability with React on the front-end

  • Understanding of microservices, events and distributed systems

  • Experience designing clean REST APIs and service boundaries

  • Confidence working with relational databases

  • Exposure to cloud platforms (Azure or AWS)

  • A passion for clean architecture, patterns, testing and quality

  • A mentoring mindset and strong communication skills

  • Ability to balance engineering excellence with delivery speed

What It’s Like Here

  • Fast-moving, high-trust environment

  • Engineers are treated like adults with real autonomy

  • Clean architecture and thoughtful engineering are expected

  • Collaboration is strong and communication is clear

  • Seniors naturally mentor and influence the engineering culture

  • Flexible working and a balanced, supportive environment

  • Continuous improvement is part of the DNA

This is not a place for passengers. It’s ideal for someone who loves building meaningful product at pace and delivering clean, reliable systems.

Why This Role Matters

Senior engineers set the tone for how software is built. You’ll shape architecture, patterns, delivery quality and engineering culture. Your work will have a visible, lasting impact on the product and the team.

You’ll Enjoy This Role If You Like

  • Modern .NET engineering

  • Fast-moving SaaS product teams

  • Autonomy and ownership

  • Designing and scaling complex systems

  • Sharing knowledge and raising capability

  • Working across the full stack (with strengths in either)

  • Taking responsibility and driving outcomes

Fintech, payments or high-traffic product experience is a bonus — but strong engineering maturity matters most.

Ready to build something meaningful?

If you want to work where daily shipping is the norm, engineering craft is valued, and your impact is immediate - this is the environment for you. Apply here.



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