Senior AI Engineer: Production-Ready Enterprise LLM Agents

Fusion5; Wellington; On-site; NZD 120,000 - 190,000; Full time

Job summary

Fusion5 is seeking a Senior AI Engineer to join our Applied Intelligence team and lead the delivery of production AI solutions. You will work hands-on to solve complex problems, write production-ready code, and take enterprise AI projects from discovery to deployment and handover.

You will validate real business use cases, design and implement production-grade AI agents, and mentor engineers while collaborating with business stakeholders and technical teams.

Qualifications

• Proven experience delivering production software, data, integration or AI solutions in consulting or customer-facing environments.
• Hands-on experience designing, coding and operating an LLM-based agent in production across Microsoft, Databricks, AWS or other AI-platforms.
• Experience with tool integration, evaluation, security controls, retrieval and/or orchestration.
• Strong understanding of APIs, enterprise integration, cloud security, identity, authorisation, DevOps and CI/CD.
• Experience evaluating different agent platforms, frameworks and model providers against customer requirements
• Strong coding skills in at least one language such as Python, TypeScript, C# or Java.
• Experience leading technical delivery, reviewing production code and mentoring engineers.
• Familiarity with Model Context Protocol (MCP) and agent interoperability approaches such as A2A would be valuable.

Responsibilities

• Working directly with customer teams, you'll validate real business use cases, lead technical discovery and build reliable enterprise AI solutions.
• You'll select the right platforms, models and frameworks, integrate agents with enterprise systems and data, and write and review production code.
• You'll work across the full delivery lifecycle, from discovery and experimentation through testing, production deployment, hypercare and handover.
• You'll also play an important technical leadership role, reviewing solution designs and code, mentoring engineers and contributing reusable patterns, templates and accelerators to Fusion5's Agent Factory.

Skills

Production software

Data integration

AI solutions

LLM agent production

APIs & integration

DevOps CI/CD

Python

TypeScript

C#

Java

Mentoring engineers

Technical leadership

Tools

Microsoft

Databricks

AWS

Job description

Fusion5 is seeking a Senior AI Engineer to join our Applied Intelligence team and lead the delivery of production AI solutions. You will work hands-on to solve complex problems, write production-ready code, and take enterprise AI projects from discovery to deployment and handover.

You will validate real business use cases, design and implement production-grade AI agents, and mentor engineers while collaborating with business stakeholders and technical teams.