Senior .NET Lead—AI-Driven Cloud & Microservices

Mantel; Sydney; Hybrid; AUD 150,000 - 190,000; Full time

Job summary

Mantel is seeking a Lead Software Engineer to work across clients in diverse industries from our Sydney base. You will work across multiple tech stacks with a strong focus on .NET and AI-assisted development, while leading and mentoring a talented engineering team to deliver high-quality solutions.

We offer a hands-on, collaborative culture, a flexible hybrid work approach, and opportunities to grow across Cloud, Digital, Data and Security as Mantel continues to lead in AI-enabled consulting.

Qualifications

• Expertise in modern API technologies & microservices.
• Strong technical and team leadership experience.
• Ability to code in .NET and learn new languages.
• Experience with cloud-based applications (AWS/GCP/Azure).
• Experience architecting AI-assisted development workflows.

Responsibilities

• Thrive in a collaborative, flat-structured environment focused on teamwork.
• Lead and mentor team members to become the next generation of leaders and software professionals.
• Implement technology solutions that meet and exceed customer requirements.
• Develop high quality code compatible with existing patterns and architectures.
• Provide clarification of technical requirements and translate them into designs.
• Monitor industry developments and incorporate them into solutions.
• Champion adoption of AI-assisted development tools across teams.
• Design team-wide coding workflows and shared context management.
• Establish team standards for prompt libraries and reusable patterns.
• Mentor engineers on effective AI-human collaboration.
• Utilise CI/CD and participate in agile practices.
• Ensure quality via unit testing and shifting left.
• Design production-ready systems.
• Use professional judgement with Mantel principles.

Skills

API & Microservices

Team Leadership

.NET

Cloud (AWS/GCP/Azure)

Tools

Agentic coding tools

AI-assisted development

Job description

Mantel is seeking a Lead Software Engineer to work across clients in diverse industries from our Sydney base. You will work across multiple tech stacks with a strong focus on .NET and AI-assisted development, while leading and mentoring a talented engineering team to deliver high-quality solutions.

We offer a hands-on, collaborative culture, a flexible hybrid work approach, and opportunities to grow across Cloud, Digital, Data and Security as Mantel continues to lead in AI-enabled consulting.