Senior Software Engineer

1 day ago

Canberra n Capital Territory, Australia Marvel Professional IT Services Pty Ltd Full time $120,000 - $180,000 per year

Our Federal Government client is seeking Senior Software Engineers to deliver secure, scalable applications across Java, .NET and modern integration platforms. You'll advance DevOps practices, optimise data models, and ensure robust system integration through RESTful APIs that support critical services.

What you'll do

  • Develop, maintain and enhance applications across
    Java (Spring MVC)
    ,
    .NET (Entity Framework)
    and integration platforms (
    Mulesoft/ESB
    ).
  • Design and implement
    RESTful APIs
    and integration points that are secure, scalable and resilient.
  • Implement
    CI/CD
    using tools such as
    Azure Pipelines
    and
    Jenkins
    .
  • Analyse and optimise
    SQL
    and
    data models
    for performance, integrity and efficient access.
  • Write unit tests and support test automation (e.g.
    Karate
    ,
    Gatling
    ).
  • Produce clear technical, specification and compliance documentation.
  • Participate in agile ceremonies and collaborate closely in a complex technical environment—proactively communicating, asking clarifying questions and driving problem-solving.

Essential criteria

  1. Multi-Stack Development Proficiency
    – Java (Spring MVC), .NET (Entity Framework), Mulesoft/ESB.
  2. API & Integration Design
    – robust, scalable, secure RESTful APIs and system integration.
  3. DevOps Implementation
    – CI/CD with Azure Pipelines, Jenkins.
  4. Data Modelling & SQL Optimisation
    – performance, integrity, efficient access.
  5. Testing & Automation
    – unit testing; contribution to automation with Karate, Gatling.
  6. Technical Documentation
    – clear, accurate, up-to-date artefacts.
  7. Baseline
    level security clearance

Desirable

  • Experience with
    CRM platforms (especially Salesforce)
    .
  • Exposure to
    digital transformation
    in complex, regulated environments.
  • Frontend experience with
    React/Angular/Vue
    .

How to apply

Ready to make an impact?
Apply via LinkedIn
with your CV + 1-page pitch against the essential & desirable criteria. Shortlisting is underway—early applications encouraged.

At Marvel Professional Services, we are dedicated to nurturing a diverse, equitable, and inclusive workplace. As advocates of Equal Opportunity Employment, we aim to cultivate a culture that values and empowers every employee, irrespective of their cultural heritage, age, gender identity, neurodiversity, disability, family responsibilities, religious beliefs, or sexual orientation. We encourage applications from veterans, individuals returning from career breaks, persons with disabilities, and those identifying as Aboriginal and Torres Strait Islander.

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