Software Engineer (.NET/AI)

• AI Scale up in the legal tech space!
• Build on a genuinely greenfield platform – you're shaping the foundations, not patching someone else's
• Flexible, hybrid Sydney based role - 2 days a week in the office

About Corto  

We are CORTO, a cutting-edge software company dedicated to revolutionising the legal industry. Our mission is to empower legal practitioners with AI-driven solutions that streamline their workflow, boost productivity, and provide more efficient client service.

Our team of AI experts and engineers collaborate to develop intelligent software tailored to the unique needs of lawyers, paralegals, and legal assistants. Our innovative AI solutions automate routine tasks, simplify document management, and enhance decision-making, allowing legal professionals to focus on what they do best - providing expert legal counsel.

We're rapidly scaling from 80 to 250+ employees, with a highly technical workforce where around 75% of the team are developers and engineers. Working alongside our Sydney-based team of passionate high achievers, you'll join a fast-growing technology business where things rarely stay the same for long - and if you're smart, caring, and ambitious, you'll be in great company.

What you'll do

We are looking for an experienced Software Engineer to join our AI Platform team at a mid-to-senior level. You'll be working on a largely greenfield codebase, designing, building, testing and maintaining scalable APIs and backend services, with a strong focus on shaping and testing the AI capabilities already built into our platform.

To make this happen, you will:

• Develop and maintain backend services using C# and .NET
• Design and evolve scalable APIs for internal and external consumers
• Integrate AI-powered capabilities into existing systems
• Work with AWS services to build and deploy cloud-based solutions
• Collaborate with cross-functional teams to deliver clean, effective solutions
• Contribute to code reviews and engineering best practices
• Continuously improve systems, processes, and code quality

What you’ll bring  

You are an experienced developer who takes ownership and delivers high-quality solutions. In addition to that you will bring:

• Strong experience with .NET / C# (5+ years)
• Experience building RESTful APIs (ASP.NET Web API) used by multiple consumers
• Solid understanding of SOLID principles and clean architecture
• Hands-on experience with AWS or other cloud platforms
• Experience using AI-assisted dev tools to design, write, test and review software
• Ability to critically evaluate AI-generated code for correctness, security, performance, and maintainability
• Experience applying prompt and context-engineering techniques to improve software-development outcomes

Even better if you have:

• Experience building or integrating MCP servers, clients, or tools
• Experience designing scalable systems and identifying and resolving performance bottlenecks

You are the type of person who:

• Takes ownership and delivers end-to-end
• Communicates clearly and collaborates effectively
• Solves problems with a practical, solution-focused mindset
• Is comfortable working in a fast-paced environment
• Continuously looks to improve systems and ways of working
• Maintains a positive and pragmatic attitude

Why join CORTO?

• Your work matters. We solve real world problems that improve and support local, everyday law firms. So they can do their best work for the people in the communities they serve.
• Make an impact. You won't be another 'cog in the wheel' here. We give full trust and autonomy for you to be heard, to work on big & complex projects - and to make a real difference.
• Work with a group of authentic, passionate people who love what they do.
• Well-funded and global. CORTO is part of ATI - one of the largest international LegalTech companies.
• Flexible and hybrid working. We engage, share, and collaborate on ideas and workflows.
• Career and learning opportunities; we move fast and need smart people to get us where we're going. We are a scaling business and looking for people who want to grow with us.
• Have fun with us. Celebrations. Socials. Sports teams. Access to sailing and yacht events.
• We value your well-being - Wellness focus with additional time off, gym membership and other perks.
• Fast-paced tech environment, if we don't disrupt ourselves someone else will do it!
• Access to LEAP Home - a program unique to us to support you in buying your primary residence.