Senior Software Engineer (.NET)

Corto Pty Ltd· Back-End Engineering - Corto
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📍 Sydney, New South Wales, AustraliaFull time

About this role

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 150+ employees, with a highly technical workforce where around 90% 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 a talented Senior Software Engineer to join our Backend Team. In this role, you will work on all the backend APIs and services that make up the core of CORTO. Working closely with the Head of Backend Engineering, you will play a key role in building and evolving our backend applications to drive innovation and performance.

This is an incredible opportunity to be part of an engineering team building the next generation of our products.

To make this happen you will

  • Develop, test, and maintain backend applications using C# and .NET technologies
  • Work extensively with AWS, including S3, SNS, SQS, AWS Lambda, DynamoDB, and more
  • Work on prompt engineering with OpenAI
  • Optimize code for performance, scalability, and maintainability
  • Participate in code reviews, providing constructive feedback
  • Work closely with cross-functional teams to understand requirements and deliver efficient solutions

What you’ll bring

You are a focused, motivated and hard-working developer who wants to join a fantastic growing team at a critical time and learn on the job to expand your skills. In addition to that you will bring:

  • Demonstrated skills with ASP.NET Web API with a minimum of 3 years' experience
  • Excellent knowledge of REST services
  • Experience with MS SQL, PostgreSQL or any other relational database
  • Good knowledge of SOLID principles
  • Experience with DynamoDB or any other NoSQL database
  • Familiarity with AWS or other cloud computing platforms

You are the type of person who

  • Analytical thinking and problem-solving skills
  • Positive attitude – things might not always go as expected but we maintain optimism and win, nonetheless
  • Being a team player – we reach our goals together and help each other to succeed

CORTO is an inclusive, people-first company committed to breaking down institutional barriers that keep people from reaching their potential. If you meet some, but not all the requirements above, we encourage you to still submit your application.

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 Global – 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 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 the ATI Group to support you in buying your primary residence.

Frequently Asked Questions

Is the salary disclosed for the Senior Software Engineer (.NET) position at Corto Pty Ltd?
The salary for this Senior Software Engineer (.NET) role at Corto Pty Ltd is not publicly listed. Click "Apply Now" to learn more about the compensation package on their official careers page.
Where is the Senior Software Engineer (.NET) position at Corto Pty Ltd located?
This Senior Software Engineer (.NET) role at Corto Pty Ltd is based in Sydney, New South Wales, Australia. The position is listed as on-site or hybrid. Check the full job description or apply directly to confirm the work arrangement.
Is the Senior Software Engineer (.NET) role at Corto Pty Ltd full-time or part-time?
This is listed as a Full time position. It is posted as a Senior Software Engineer (.NET) role in the Back-End Engineering - Corto department at Corto Pty Ltd.
Which team or department does the Senior Software Engineer (.NET) at Corto Pty Ltd belong to?
This Senior Software Engineer (.NET) position is part of the Back-End Engineering - Corto department at Corto Pty Ltd. See the full job description for more information about the team structure and responsibilities.
How do I apply for the Senior Software Engineer (.NET) position at Corto Pty Ltd?
Click the "Apply Now" button on this page. You will be redirected to Corto Pty Ltd's official application portal hosted on workable where you can submit your application directly.
When was the Senior Software Engineer (.NET) job at Corto Pty Ltd posted?
This Senior Software Engineer (.NET) position at Corto Pty Ltd was posted on Aug 11, 2026. Apply as soon as possible — early applications are often reviewed first.
Senior Software Engineer (.NET)
Corto Pty Ltd
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