Onlano
Backend DevelopmentOnsite

Backend Software Engineer (.NET/COBOL)

Professional Search Group - Company

Beaumaris, Bayside Area, ๐Ÿ‡ฆ๐Ÿ‡บ AustraliaFull-time - Senior (4-7 years)0 applicantsCloses Jun 14, 2026

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Job description

Role overview

Weโ€™re partnering with a medium-sized organisation undergoing a major technology modernisation program to hire a Backend Software Engineer with expertise in C#/.NET and legacy COBOL systems. This role focuses on backend engineering and the migration of critical legacy systems to modern cloud-based platforms.

The position requires 5 days onsite near Southern Cross Station and offers a competitive salary package. Candidates must have Australian work rights, as sponsorship is not available.

Responsibilities

  • Design and implement backend systems using C#/.NET
  • Migrate legacy COBOL systems to modern cloud infrastructure
  • Collaborate with cross-functional teams on technology modernisation projects

Requirements

  • Proven experience with C#/.NET development
  • Strong COBOL expertise for legacy system maintenance
  • 3+ years backend development in enterprise environments

Benefits

  • $160,000 annual salary including superannuation
  • Central Melbourne location near Southern Cross Station
  • Opportunity to lead critical system modernisation work

Keywords

.NETCOBOLC#Backend DevelopmentLegacy SystemsSystem MigrationSoftware Engineering