AI Engineer - Applied
Role Overview
Build production AI solutions that address real operational challenges across Johns Lyng Group.
The role is based in the Richmond office and forms part of a technology team delivering an enterprise AI project.
Key Skills for This Role
Full Job Posting
About the role
Build production AI solutions that address real operational challenges across Johns Lyng Group.
The role is based in the Richmond office and forms part of a technology team delivering an enterprise AI project.
Key duties
- Convert routine, high-volume business work into AI-assisted workflows supervised by employees.
- Build AI agents with tool definitions, orchestration, state, memory, retries, escalation paths and stopping conditions.
- Integrate LLM and multimodal APIs into applications and extract structured information from PDFs, scans, photos and emails.
- Create evaluations from production data, set confidence thresholds and support evidence-backed staged releases.
- Design human review experiences and capture feedback; monitor tracing, usage, cost, latency and quality.
- Secure AI solutions through prompt-injection mitigation, permission boundaries, audit trails and approval gates.
- Maintain shared AI infrastructure such as MCP servers, tool libraries, versioning, gateways and evaluation tools.
- Document, debug and support maintainable production solutions.
Key selection criteria
- Proven experience shipping LLM-powered systems to real users and supporting them in production.
- Experience designing AI agents, orchestration, state management and human-in-the-loop workflows.
- Strong Python and TypeScript skills; experience building production-ready AI applications and services.
- Experience with prompt/context engineering, structured outputs, evaluation frameworks and confidence-based systems.
- Understanding of MCP, AI security, prompt-injection mitigation and responsible AI.
- Experience managing model choice, token usage, latency, cost and production performance.
- Knowledge of Google Gemini, Anthropic Claude and OpenAI GPT; hands-on Google Cloud experience, especially Vertex AI, Gemini, Cloud Run and BigQuery.
- At least five years building and shipping production software, including APIs, event-driven architecture, CI/CD, infrastructure as code, Git and testing.
- Ability to work across existing technology stacks and contribute to established codebases.
- Vision and multimodal models, document extraction, AI observability, retrieval, vector search or workflow-engine experience is highly regarded.
Technology environment
- Google Cloud is the primary platform; Microsoft Azure is also used.
- AI environment includes Agent Platform, Gemini, Python agents deployed as containerised services, Microsoft 365 and Graph integrations, and third-party model providers.
- Applications include service-based .NET platforms, workflow engines, Angular front ends and established business systems with document and integration workloads.
- Data platforms include SQL Server, PostgreSQL, BigQuery and enterprise BI tools.
- Engineering tools include Azure DevOps, Terraform and Datadog.
Workplace
- Hybrid role based in Richmond, with flexibility to work remotely.
What the employer offers
- The employer highlights stability, career progression, training, mentorship, a collaborative team, and discounts on technology, cars, fashion and leisure.
Recruitment process
- A written technical assessment, criminal background check and medical form part of recruitment.
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