Senior AI Models Engineer

We help enterprise customers build AI systems tailored to their specific work. Our goal is to deliver better economics than relying solely on closed-source models such as Claude, Gemini, and OpenAI. You will work across model customisation, deployment, agent systems, and customer delivery.

Responsibilities

Own system design, technical decisions and customer outcomes; Turn customer use cases into training and evaluation plans; Select suitable data, models, and training approaches; Fine-tune and evaluate models for specialised domains; Improve quality based on testing and production feedback; Design cost-effective cloud or on-prem deployment approaches; Select suitable infrastructure and serving configurations; Improve reliability, latency, and operating cost; Build monitoring, backup, and recovery processes; Build agent workflows around language models; Connect models with customer data, tools, and existing systems; Add the controls and observability needed for production use; Work with customers to understand their requirements and constraints; Explain trade-offs between quality, cost, privacy, and complexity; Help take solutions from early discovery through production launch.

Requirements

Strong experience in at least two of the following areas: model customisation, deployment and inference, agent systems, customer delivery; Practical experience building or operating production AI systems; Solid software engineering or machine learning engineering skills; Familiarity with open-weight language models and the modern LLM ecosystem; Good judgement when balancing model quality, cost, latency, and reliability; The ability to work through ambiguous technical and customer requirements; Clear communication with both technical and non-technical stakeholders.

Benefits

$1,000 annual learning and development budget; $150/month health and wellness allowance; $500 home office budget; 26 weeks paid primary parental leave; 18 weeks paid secondary parental leave; fertility support up to $10,000; four weeks of work from anywhere per year; serious equity