Senior Engineer (AI / Conversational Platforms)

Recmatrix Consulting; Sydney; On-site; AUD 90,000 - 150,000; Full time

Job summary

Recmatrix Consulting is seeking a hands-on Senior Engineer to design, build, test, and maintain APIs, backend services, AI workflows, and conversational platforms. The role emphasizes strong .NET, cloud, and production-grade AI capabilities, with a focus on scalability and reliability in customer-facing applications.

You will implement LLM-powered workflows, RAG pipelines, prompt engineering, and integrations with enterprise data sources, collaborating with architects and other engineers to

Qualifications

• 5+ years of hands-on development with C#/.NET and REST APIs.
• Experience with React and TypeScript for frontend and API integration.
• Knowledge of microservices, enterprise integration, and cloud services (Azure/AWS).
• Practical experience with LLMs, AI workflows, RAG, and prompt engineering.
• Understanding of conversational AI, NLP/NLU, and AI orchestration.
• Experience with automated testing, CI/CD, DevSecOps, and production support.
• Strong problem-solving, software quality, reliability and performance mindset.
• Experience with Azure OpenAI / Azure AI Foundry and Microsoft Copilot Studio.
• Knowledge of Semantic Kernel and agentic AI frameworks.

Responsibilities

• Design, develop, test, and maintain APIs, microservices, backend services, and conversational applications.
• Build and integrate LLM-powered workflows and AI capabilities into customer interaction platforms.
• Implement RAG pipelines, prompt engineering techniques, and integrations with enterprise data sources.
• Develop secure, scalable, and maintainable software components using established engineering standards.
• Implement automated testing, CI/CD pipelines, and DevSecOps practices.
• Support deployments, monitoring, troubleshooting, and production incident resolution.
• Collaborate with architects and other engineers to deliver platform enhancements and operational improvements.

Skills

C# / .NET

REST APIs

React

TypeScript

Microservices

Enterprise integration

Azure / AWS

LLMs

AI workflows

RAG

Prompt engineering

Conversational AI

NLP / NLU

AI orchestration

Automated testing

CI/CD

DevSecOps

Production support

Azure OpenAI

Copilot Studio

Semantic Kernel

Agentic AI frameworks

Job description

Job Role – Senior Engineer (AI / Conversational Platforms)

Contract Duration: 6 months, extendable

Location: Sydney

Start Date: Immediate

Role Overview

We are seeking a hands-on Senior Engineer to develop and support APIs, backend services, AI workflows, and conversational platforms. The role requires strong .NET and cloud engineering skills, combined with practical experience implementing AI capabilities in customer-facing

applications.

A hands-on software engineer with strong .NET and cloud development skills who can build, integrate, test, and support production-grade AI and conversational applications.

Key Responsibilities

• Design, develop, test, and maintain APIs, microservices, backend services, and conversational applications.
• Build and integrate LLM-powered workflows and AI capabilities into customer interaction platforms.
• Implement RAG pipelines, prompt engineering techniques, and integrations with enterprise data sources.
• Develop secure, scalable, and maintainable software components using established engineering standards.
• Implement automated testing, CI/CD pipelines, and DevSecOps practices.
• Support deployments, monitoring, troubleshooting, and production incident resolution.
• Collaborate with architects and other engineers to deliver platform enhancements and operational improvements.

Required Skills and Experience

• 5+ Years of strong hands-on development experience in C#/.NET and REST APIs.
• Experience with React and TypeScript.
• Knowledge of microservices, enterprise integration, and Azure or AWS cloud services.
• Practical experience with LLMs, AI workflows, RAG, and prompt engineering.
• Understanding of conversational AI, NLP/NLU, and AI orchestration.
• Experience with automated testing, CI/CD, DevSecOps, and production support.
• Strong problem-solving skills and a focus on software quality, reliability, and performance.
• Azure OpenAI / Azure AI Foundry and Microsoft Copilot Studio.
• Semantic Kernel and agentic AI frameworks.