Senior .NET Developer

2 weeks ago

Greater Sydney Area, Australia Dipole Group Full time

About the Role

We are looking for an experienced
Senior .NET Developer
with strong expertise in
WCF, WPF, Web API, and AWS
to join our growing engineering team. The ideal candidate will design, develop, and maintain enterprise-grade applications and cloud-based solutions that are scalable, secure, and high-performing. You will collaborate closely with cross-functional teams to translate complex business requirements into clean, efficient, and maintainable code.

Key Responsibilities

  • Design, develop, and maintain
    .NET-based applications
    using
    C#, WCF, WPF, and Web API
    .
  • Build and integrate
    RESTful APIs
    for seamless communication across systems and services.
  • Migrate, deploy, and manage .NET applications within
    AWS Cloud
    environments (EC2, Lambda, S3, RDS, etc.).
  • Implement
    microservices architecture
    and optimize application performance and scalability.
  • Develop and maintain
    front-end components
    using WPF for rich desktop user interfaces.
  • Design and manage
    database schemas
    and write efficient
    SQL queries/stored procedures
    .
  • Collaborate with DevOps teams to establish
    CI/CD pipelines
    for automated builds and deployments.
  • Conduct
    code reviews, unit testing, and integration testing
    to ensure high-quality deliverables.
  • Troubleshoot production issues and perform root cause analysis to deliver timely resolutions.
  • Participate in
    Agile ceremonies
    (sprint planning, daily stand-ups, retrospectives) and contribute to continuous improvement initiatives.

Technical Skills & Experience

  • 5+ years
    of professional experience in .NET application development.
  • Hands-on experience with
    WCF (Windows Communication Foundation)
    and
    WPF (Windows Presentation Foundation)
    .
  • Strong knowledge of
    ASP.NET Core / Web API
    ,
    C#
    , and
    Entity Framework
    .
  • Experience designing and deploying applications on
    AWS
    (CloudFormation, ECS, S3, Lambda, RDS, etc.).
  • Solid understanding of
    OOP principles
    ,
    Design Patterns
    , and
    SOLID
    architecture.
  • Proficiency in
    RESTful API development
    ,
    authentication (OAuth2/JWT)
    , and
    API security
    .
  • Experience working with
    SQL Server
    ,
    PostgreSQL
    , or other relational databases.
  • Familiarity with
    containerization (Docker, ECS)
    and
    CI/CD tools
    (Jenkins, GitHub Actions, Azure DevOps, etc.).
  • Strong debugging, performance optimization, and troubleshooting skills.
  • Experience with
    Agile/Scrum
    methodology and collaborative development environments (JIRA, Confluence, Git).

Preferred Qualifications

  • Experience with
    microservices
    and
    serverless architectures
    on AWS.
  • Knowledge of
    front-end frameworks
    such as Angular or React (basic level).
  • Familiarity with
    message brokers
    (RabbitMQ, Kafka, or SNS/SQS).
  • AWS Certification (Developer Associate or Solutions Architect) is a plus.
  • Experience integrating
    third-party APIs
    and external data sources.

No work visa sponsorship available- candidate must have full Australian work rights. Due to the volume of application, only shortlisted candidates will be contacted

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