Who we are

At Applications Developer, our heritage started in 2002 with a group of professionals dedicated to creating great technological solutions that exceed our clients' expectations. Based upon those humble beginnings and its core team, we created a legal entity in 2007 for doing business—the Retzlaff Family Trust. In 2011, the tradename, "Applications Developer," was created to serve medium-sized enterprises as well as small start-ups. Our cross-domain expertise helps us solve our clients' problems in a cost-effective and timely manner.

Our Philosophy

Our clients' goals drive our philosophy of business:
• To be the best at what we do,
• To deliver our services with the utmost in honesty and integrity, and
• To keep the client's goals ahead of our own.

At Applications Developer we strive to deliver a level of service second to none. We achieve this by including perpetual learning to stay abreast of the latest technologies. By this, we ferret out solutions that add value to your business.

Our team members regularly participate in Microsoft's beta and early release programs and those of other prominent technology partners. This keeps us ahead of the technological curve and helps us translate these innovations into your competitive advantage.






Our Team

Alex Retzlaff

Team Leader

For over a decade, Alex has led development projects in the finance, mining, building and education industries. During this time he had the opportunity to work closely with leading financial institutions, including CBA, NAB and St George. He is also the Technical Director and co-founder of Synergetic Services Limited and MyMarketDay.

Alex has a Diploma in Software Development from TAFE NSW and is currently working on his Diploma in Management.

Alex shares his passion for software development by speaking at local user groups. There, he tells them about the new and exciting technologies to which he and his team are exposed during their projects.

Michael Johnson

Senior Software Developer


Michael has a deep understanding of development concepts far beyond that of the average software developer. This is so much the case that Michael is considered, at Applications Developer, the go-to man for solving, in the most elegant manner, the stickiest of technical challenges.

Michael has a Diploma in Software Development from TAFE NSW.

Rodney Edie

Senior Software Developer

Rodney has delivered, for over a decade, successful enterprise and commercial software solutions to the financing and mining industries.

Most recently, Rodney has been specialising in ASP.NET MVC and Ext JS. These skills have enabled Applications Developer to deliver to its customers full-blown, desktop-like applications on a browser—perfect for the cloud's software-as-a-service and similar applications.

Rodney has a Diploma in Software Development from TAFE NSW.

Steven Benfell

Senior Software Developer

Steven has been developing and supporting business applications for over 25 years. He specialises in agile development on the .NET platform, utilising Test Driven Development. He is exceptionally good at solving complex business logic requiring sophisticated algorithms.

Steven has a BS in Computer Science from Auckland University and a Certificate in Production and Inventory Management (CPIM) from APICS.

Corey Wilson

Technical Writer

Corey is a dedicated technical writer with experience in a wide range of document types including tutorials, user guides, help files and safety standards. He is methodical about the discovery and gathering phase of each system or process that he documents, allowing him to construct a cohesive document that meets the knowledge needs of the target audience.

Corey's deep analysis of a system often results in valuable recommendations for improvements to the system being documented.

Judith Peiroten

Finance Officer

Judith is an accomplished business woman. Before going into semi-retirement and becoming our Finance Officer, Judith left behind a 20-year-long career as CEO of a state-wide magazines and newspaper distributor.

Judith's eye for detail and obsession for accuracy make her exceptionally good at what she does, and hence a valuable member of the team.

Join Us




Applications Developer is a thriving Australian software and web development company with more than a decade of experience solving the needs of small and medium-sized companies. We're located in Newcastle, NSW.



If you're interested in working for a top-flight development company pushing the envelope on the latest technology, but in a laid-back and creative atmosphere, we would like to hear from you.

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