Junior Developer

Interfi Systems PTY LTD; Australia; On-site; AUD 55,000 - 85,000; Full time

Job summary

Interfi Systems PTY LTD in Australia is seeking a motivated Junior Developer to join our Engineering Team. You will work with experienced developers on an enterprise platform, building skills in C#, .NET and RESTful APIs with mentoring and Agile practices.

You will collaborate on back-end services, contribute to bug fixes and feature tasks, and participate in code reviews, pair programming and team training. A pathway to grow with fintech-focused projects is provided.

Qualifications

• Tertiary qualification in Computer Science or Software Engineering, or equivalent practical experience.
• Foundational knowledge of C# or similar OO language.
• Basic understanding of RESTful APIs and web services.
• Familiarity with SQL and relational databases.
• Strong willingness to learn and adapt in a fast-paced environment.

Responsibilities

• Assist in development and maintenance of back-end services using C# and .NET.
• Implement bug fixes, minor enhancements and well-defined feature tasks.
• Write clean, readable code following team standards and conventions.
• Participate in code reviews to learn and continuously improve.
• Engage in pair programming, knowledge-sharing workshops and team training.
• Support testing, troubleshooting and documentation activities.

Skills

C# knowledge

RESTful APIs

SQL basics

Teamwork & communication

Willingness to learn

Education

Bachelor's degree or equivalent (CS/Software Eng)

Tools

Git

.NET

REST APIs

Job description

Full-time Hybrid

About the role

We are looking for a motivated Junior Developer to join our Engineering Team. This is an excellent opportunity for someone early in their career to work with experienced developers on a real-world enterprise platform, building your skills in C#, .NET and RESTful APIs. You will receive hands-on mentoring, participate in Agile delivery practices, and contribute meaningfully to our product from day one.

What you’ll do

• Assist in the development and maintenance of back-end services using C# and .NET.
• Implement bug fixes, minor enhancements and well-defined feature tasks.
• Write clean, readable code following team standards and conventions.
• Participate in code reviews to learn and continuously improve.
• Engage in pair programming, knowledge-sharing workshops and team training.
• Support testing, troubleshooting and documentation activities.

What we’re looking for

• Tertiary qualification in Computer Science, Software Engineering or equivalent practical experience.
• Foundational knowledge of C# or a similar object-oriented programming language.
• Basic understanding of RESTful APIs and web service concepts.
• Familiarity with SQL and relational database concepts.
• Strong willingness to learn and adapt in a fast-paced environment.
• Good communication skills and a collaborative mindset.

Nice to have

• Exposure to .NET development through coursework, projects or internships.
• Familiarity with version control systems (Git).
• Interest in financial services or fintech.

How we hire

We keep our process clear and respectful of your time: a short intro call, a conversation with the hiring manager, a practical working session relevant to the role, and a final team conversation. We’ll always tell you where you stand.

Interfi Systems is an equal opportunity employer. We celebrate diversity and are committed to creating an inclusive environment for all employees — and are happy to provide accommodations during the hiring process, just let us know.