Senior Java- API Engineer

2 days ago

Sydney, New South Wales, Australia CareCone Group Full time $120,000 - $180,000 per year

Role:
Senior Software Engineer – AI Engineering

Location:
Sydney, NSW

Employment Type:
Permanent

Must have:

Full working rights. No sponsorship available.

You must be adept at
Java
(and possibly other
JVM
-based languages) for enterprise-grade systems, comfortable with
Python for AI/ML workflows
(e.g., PyTorch), and proficient in cloud deployment strategies. Beyond that, you'll integrate LLM APIs (OpenAI, Anthropic, Cohere, etc.), leverage retrieval-augmented generation (RAG) frameworks, and decide when to fine-tune models or use them as-is. As a power user of AI-based tools, you'll be expected to optimise your own coding through AI assistants, while also guiding best practices for prompt engineering, LLM orchestration, and system reliability.

Must Have:

  • 8+ years of commercial software development, focusing on integration/APIs
  • Expert knowledge of
    Spring Framework
    ecosystem (particularly Boot 3.x, Security, WebFlux)
  • Mastery of
    API security, including OAuth2, JWT, and API
    key management
  • Track record of delivering high-performance, secure system designs
  • Strong command of
    AWS, Azure or GCP
    cloud services
  • Experience consuming
    LLM APIs
    (OpenAI, Anthropic, etc.), orchestrating prompts or agentic workflows
  • Familiarity with RAG (retrieval-augmented generation), term/embedding-based search
  • Daily usage of
    AI coding
    assistants (e.g., GitHub Copilot) to speed up development workflows

Interested consultants can share their updated resume at

or call

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