See Software Differently

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1300 723 969

Our Services

Custom Software

We create custom software solutions for our clients. Whether you're after a new web technology, desktop program, or mobile application we build the software you've always wanted.


We keep up to date with current technologies, which means we can provide the best data systems for our clients. Building your application using cloud technology allows you to easily scale the architecture of your application and keep up with your demand.

Secure Data

We understand how precious your data is. You can trust us to make sure it is safe. We have experience researching security issues, compete in security competitions for fun, and have experience dealing with high security data.

All Devices

We build applications and programs for all the major OS including Windows and Mac. We also build mobile, web, and tablet applications. Basically, tell us the device you or your clients use and we’ll make sure it works.

Smart Applications.
That work.

We've never met a problem we didn't like.

Getting a custom built software solution means that your application will work exactly the way you need it to. We have experience with a huge range of technologies.

We love this stuff so you don't have to.

We love software, tech, and... software.

About us

Retsim is a locally owned Software Development company based in Ballarat. We specialise in delivering quality, affordable software applications.

We work closely with you to:

  • Really understand your project
  • Keep you updated
  • Provide the best advice

We get a kick out of solving difficult problems, designing cool algorithms, and building trust with our clients.

The Team

Lewis Lakerink

Director/ Developer

Lewis is a passionate software developer and analyst with a ridiculous amount of experience. He specialises in efficient algorithm design and finding elegant solutions to complex problems. He has worked in numerous roles within the Information Technology sector including hardware installation technician, field technician, server administrator, systems administrator, application programmer, and web application developer. His technical understanding includes low level machine code optimisation through to high level enterprise software design.

Asher Leslie

Director/ Developer

Asher is a web application developer with expertise in server administration and design, database engineering, user experience design, front-end web application development, and project management. He has worked on numerous successful projects taking full advantage of current technologies including Amazon Web Services (AWS), Twitter Bootstrap, Django Web Framework, and MySQL Databases.

Lachlan Ray


Lachlan is a front-end developer and user experience designer. He has a passion for web design and creating seamless user experiences. He has been toying with web technologies since before time began. An avid traveller and jet setter, there are few parts of the world Lachlan hasn't set foot on.

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