Senior Software Engineer

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

Benefits offered by this job

Novated leasing

Parental leave (12 weeks)

Learning & development

Wellbeing platform

Income protection

Employee share plan

Volunteer leave

Job summary

The McMillan Shakespeare Group (MMS) is seeking an experienced Senior Software Engineer to own architecture decisions and elevate engineering standards. You will design, implement and support enterprise applications using C#/.NET, and you will champion Azure-based, cloud-native solutions with a focus on AI-driven capabilities.

This is a high-impact role demanding strong technical leadership. You will mentor peers, lead incidents, and collaborate with product, architecture, and business

Qualifications

• 5+ years of hands-on experience with enterprise app development using C# and .NET/.NET Core.
• Strong SQL experience including complex queries and performance tuning.
• Hands-on experience with Azure services (App Services, Functions, Logic Apps, Service Bus, Key Vault, API Management).
• Experience with Generative AI and LLMs in production applications.
• Experience with AI agents and intelligent automation for business processes.

Responsibilities

• Drive technical quality, scalability and security across applications and integrations.
• Mentor and uplift engineering standards through code reviews.
• Collaborate with Product, Architecture and Business stakeholders to shape solutions.
• Champion modern engineering practices including CI/CD, observability and automation.
• Contribute to event‑driven, cloud‑native systems and support production environments.

Skills

C#/.NET

SQL

Azure

Generative AI

LLMs

AI Agents

Job description

Making a difference isn’t just our purpose, it’s what motivates our people every day. For us, work is not about ticking a box. It’s about knowing that it matters. We make a meaningful difference every day by making it easier for our customers to focus on what matters in their lives. At McMillan Shakespeare, we’re modernising systems and redefining how financial services technology delivers value at scale. We’re looking for a Senior Software Engineer who thrives on ownership, architectural influence, and lifting engineering standards. This is for someone already operating at a senior level who wants to shape the future of our platforms, not just maintain them. You’ll have proven experience designing solutions, writing high‑quality production code, troubleshooting complex technical issues and working across the full software development lifecycle. If you’re passionate about modern architecture, AI‑driven solutions and improving BAU systems, this is a high‑impact opportunity to make your mark.

Here’s how you will make a difference in this role…

• Drive technical quality, scalability and security across applications and integrations
• Lead and uplift engineering standards through mentoring and code reviews
• Partner with Product, Architecture and Business stakeholders to shape solutions
• Champion modern engineering practices including CI/CD, observability and automation
• Contribute to event‑driven, cloud‑native systems
• Support production environments and lead incidents

Please only apply if you meet the majority of the below. At MMS clear expectations help our people Be the Difference.

Your will bring:

• Strong commercial experience developing and maintaining enterprise applications using C# with .NET / .NET Core.
• 5+ years of hands‑on experience writing SQL, including complex queries, stored procedures, joins, data manipulation and SQL performance optimisation.
• Strong hands‑on experience designing, developing and deploying applications using Azure App Services, Azure Functions, Azure Logic Apps, Azure Service Bus, Azure Key Vault and Azure API Management. This is specifically an Azure‑focused requirement; AWS Functions/serverless experience alone is not sufficient.
• Practical experience working with Generative AI and Large Language Models (LLMs), ideally including integrating AI/LLM capabilities into software applications and using AI to generate or assist with code in a production environment.
• Experience with Agentic AI, AI agents and intelligent automation, including using AI to automate business processes, workflows, development tasks or other operational activities. Production experience is highly desirable.
• Engineering Mindset You take ownership and drive outcomes You think beyond code—architecture, scalability and business impact You actively mentor others and raise the bar You’re comfortable engaging non‑technical stakeholders

What Sets You Apart

• You’ve improved or modernised legacy/BAU systems, not just built new ones
• You bring a continuous improvement mindset and challenge the status quo
• You understand how to balance speed, quality and risk in financial services

What we can offer you:

• Strong culture and the support of a values‑based recognition program
• Novated leasing benefits and discounts
• 12 weeks paid parental leave
• Comprehensive learning and development opportunities to support your career growth
• Sonder digital wellbeing platform, providing personalised support 24/7, plus annual flu vaccinations
• Default Income Protection Insurance reimbursed for members of the MMS Default Super Fund
• Exempt Employee Share Plan
• Volunteer leave & Career break
• MMS Rewards program

Embracing our value of Everyone Matters we hold a collective commitment to foster an environment where all differences are valued and respected.

We encourage individuals from all backgrounds including Aboriginal and Torres Strait Islander peoples, those caring for someone or living with a disability, LGBTQIA+ and culturally diverse applicants to apply.

We value the skills and attributes veterans can bring to our organisation.

We embrace hybrid working and welcome conversations about flexibility.

All successful candidates will undergo background checks (including criminal history and ASIC checks) and an NDIS Workers Screening Check if appropriate. All information provided will be treated confidentially. If you identify as a person living with disability and require adjustments to our recruitment process, please contact us at [e-mail]

The McMillan Shakespeare Group (MMS) is a trusted provider of salary packaging, novated leasing, disability plan management and support co‑ordination, asset management and related financial products and services. From our origins in 1988 when we created Australia’s salary packaging industry to today, MMS has a proud history of innovation and exceptional service. Through our subsidiaries, we offer a breadth of services and expertise designed to responsibly deliver superior long‑term value to our clients and customers, which include Federal and State governments and some of the largest public and private sector, health and charitable organisations.