We are transforming the insurance industry through the power of decision intelligence.
Disconnected systems, unruly data, and outdated processes are undermining the ability of insurers to make their…
We are transforming the insurance industry through the power of decision intelligence.
Disconnected systems, unruly data, and outdated processes are undermining the ability of insurers to make their…
Insurance pricing, underwriting, and decision intelligence for property & casualty insurers and reinsurers.
Founded
2017
Industry
Software Development
Funding Track Record
Series B- 2024-01-11
$73,000,000
Participants included Andreessen Horowitz (a16z) and Highland Europe
Investor Signal
“Led by Battery Ventures with participation from a16z and Highland Europe”
Founders
What we do
Join the Team
AI Engineer
On-SiteLondon, GB
On-Site • London, GB
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Who you are
Built and deployed production AI infrastructure that scaled to support enterprise-grade reliability and observability
Delivered self-service tools or APIs that enabled multiple product teams to accelerate their AI/ML development cycles
Implemented evaluation frameworks, A/B testing infrastructure, or monitoring solutions that measured and improved model performance, latency, cost, and quality in production
Led initiatives to reduce AI compute costs through optimisation strategies such as intelligent routing or caching
Successfully migrated teams from bespoke AI solutions to shared platform services, driving measurable adoption
Prioritised and improved developer experience through documentation, support, or workflow enhancements
What the job involves
The application process
Initial chat with our Talent team (30 minutes)
Manager Interview (1 hour)
Technical Assessment broken into two parts (1 hour each)
Values Interview with Senior Tech Leadership (1 hour
We offer!
If this opportunity resonates with you, we encourage you to apply or share it with your connections! Our dedicated talent team reviews all applications, and we promise to provide feedback regardless of the outcome
Benefits
£5,000 for individual and group training and conference budget
25 days holiday plus 8 bank holiday days (33 in total)
Company pension scheme via Penfold
Mental health and therapy provision via Spectrum.life
Regular remote & in-person hackathons, lunch & learns, socials and games nights
Team breakfasts and lunches, snacks, drinks fridge, fun office @ The Ministry
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At hx, AI is central to how we build software and make decisions across the company
From large-scale document intelligence to a domain-specific AI peer-programmer used by actuaries and underwriters, hx is redefining how the insurance industry uses generative AI in production
The AI Platform team provides the platform that makes all of this possible
We design, build, and operate the shared systems that allow teams to train, deploy, evaluate, and monitor AI safely at scale — including model serving, data pipelines, observability, deployment automation, and compute orchestration
Working closely with product and research teams, we turn fast-moving experimentation into reliable, cost-efficient, and developer-friendly production systems
Our success is measured in faster releases, stronger model performance in the real world, and AI products that customers can trust with critical decisions
Designing and operating scalable AI infrastructure for LLM inference, prompt management, and evaluation pipelines, supporting billions in premium flow
Building self-service tools, SDKs, and APIs that empower product teams to move from prototype to production 30% faster
Instrumenting production AI/ML workloads with standardised logging, tracing, and evaluation metrics, increasing observability coverage to 100% of deployed models
Implementing intelligent routing, caching, and provider optimisation via the LLM gateway, reducing AI compute costs by up to 25%
Driving adoption of shared platform services (LLM gateway, evaluation frameworks, monitoring) to replace bespoke solutions, increasing platform adoption across new AI features
Championing developer experience by delivering comprehensive documentation and responsive support, resulting in higher internal customer satisfaction
