Senior Software Engineer – Agentic AI & LLM Platforms Sydney

ALOIS Australia; Sydney; On-site; AUD 150,000 - 210,000; Full time

Job summary

ALOIS Australia is seeking a Senior Software Engineer with deep C#/.NET, React/TypeScript, cloud, and Agentic AI expertise to design, build, and operate scalable APIs and microservices. You will work on production-grade conversational platforms and AI workflows, delivering robust, secure solutions.

This contract role requires 8+ years of experience, hands-on development across Azure or AWS, and strong knowledge of LLMs, RAG, and vector search.

Qualifications

• 8+ years of software development experience.
• Strong C#/.NET, React/TypeScript, APIs, and microservices.
• Cloud experience with Azure and/or AWS.
• LLMs, Agentic AI, RAG, prompt engineering, and vector search.
• Conversational AI, NLU/NLP, and human-in-the-loop workflows.
• DevSecOps, CI/CD, automated testing, and production support.

Responsibilities

• Design and develop APIs, microservices, and applications using C#/.NET and React/TypeScript.
• Build LLM-powered applications, Agentic AI workflows, and conversational solutions.
• Implement RAG, prompt engineering, vector search, and AI guardrails.
• Integrate cloud services, enterprise APIs, and customer interaction platforms.
• Drive DevSecOps, CI/CD, automated testing, and production support.
• Ensure security, scalability, reliability, and operational excellence.

Skills

C#/.NET

React

TypeScript

APIs

Microservices

Tools

Azure

AWS

Job description

ALOIS Australia is seeking a Senior Software Engineer with deep C#/.NET, React/TypeScript, cloud, and Agentic AI expertise to design, build, and operate scalable APIs and microservices. You will work on production-grade conversational platforms and AI workflows, delivering robust, secure solutions.

This contract role requires 8+ years of experience, hands-on development across Azure or AWS, and strong knowledge of LLMs, RAG, and vector search.