Senior AI Engineer
At a glance
Senior AI Engineering role at RELX. Farringdon · full-time.
Pay not stated AI Engineer salary
aimlroles summary, based on the employer's posting.
What you'll do
- Assess new AI approaches for customer-facing product features and decide where they can be applied
- Build agent-based systems and AI features, then create reusable tests for their quality, safety and performance
- Develop production services that balance scale, speed and operating cost
- Use Terraform to evolve AWS infrastructure, including RDS instances and EKS clusters
- Review technical designs, join Scrum and code reviews, and coach junior developers on Python and testing practices
What you bring
- You have worked in modern Python codebases and understand sound software engineering and delivery practices
- You have cloud-platform experience, including infrastructure-as-code, with AWS or a comparable provider
- You have experience with both generative AI and agent-based systems
- You can explain technical work clearly and present it to people with varied backgrounds
Who this fits
This senior engineering role suits someone who can contribute across AI research, system design and production delivery. You’ll also mentor junior developers and work with stakeholders across the organisation. Flexible hours let you shift your working times during the day.
From the employer
Are you excited by the opportunity to shape the future of AI-powered intellectual property tools in a collaborative, flexible environment?
Join a dynamic team developing advanced AI solutions and analytics for impactful, global innovation projects.
About the team
At LexisNexis Intellectual Property Solutions, we bring clarity to innovation. Our products help the innovation community make better-informed decisions, work more productively, meet regulatory requirements and achieve stronger outcomes.
Every day, our work supports the development of technologies and processes that advance industries—and, ultimately, society. We are proud to serve the innovators whose ideas help shape a better future.
The AI Platform team builds the capabilities that power AI across LexisNexis IP’s flagship analytics products. We explore emerging AI technologies and turn them into intelligent, practical features for our customers, alongside reusable tools and services for our internal platform. You will join a team working with modern, cloud-native infrastructure and play a meaningful role in building LexisNexis IP’s AI future.
About the role
Our IP analytics platform brings together highly curated, enriched datasets; sophisticated analytical tools; streamlined workflows; and powerful visualisations. It enables essential IP activities including competitive intelligence, benchmarking and portfolio optimisation—all in one place.
As part of the AI Platform team, you will help research, design and deliver the AI capabilities behind these products. You will work across the full development lifecycle, from evaluating emerging technologies and designing agentic systems to building scalable, cost-efficient production services.
Responsibilities
- Research and evaluate emerging AI technologies for use in customer-facing features.
- Design and build agentic AI systems and AI-powered product capabilities.
- Develop reusable frameworks for evaluating AI quality, safety and performance.
- Build scalable, high-performance and cost-efficient services.
- Work with technologies including Python, AWS (EKS, S3, RDS and Terraform), and AI/ML and data-science libraries such as Google ADK, pandas and FAISS.
- Help develop and evolve AWS platform infrastructure using Terraform, including RDS instances and EKS clusters.
- Mentor junior developers in engineering best practices, including test-driven development with pytest and idiomatic Python.
- Write and review detailed technical specifications for moderately complex system components.
- Participate actively in development processes, code reviews and Scrum ceremonies.
- Collaborate closely with stakeholders across the organisation.
Requirements
- Experience working with modern Python codebases.
- Experience with AWS or a comparable cloud platform, including infrastructure-as-code practices.
- A solid understanding of software engineering principles, techniques and delivery processes.
- Experience with generative AI and agentic AI systems.
- Strong interpersonal, communication and presentation skills, with the ability to engage varied audiences.
- Experience with Azure Pipelines and Terraform is desirable, but not essential.
Work in a Way that Works for You
We promote a healthy work/life balance across the organisation. We offer an appealing working prospect for our people. With numerous wellbeing initiatives, shared parental leave, study assistance and sabbaticals, we will help you meet your immediate responsibilities and your long-term goals.
Working Pattern
Working flexible hours - flexing the times when you work in the day to help you fit everything in and work when you are the most productive.
About the Business
LexisNexis Legal & Professional® provides legal, regulatory, and business information and analytics that help customers increase their productivity, improve decision-making, achieve better outcomes, and advance the rule of law around the world. As a digital pioneer, the company was the first to bring legal and business information online with its Lexis® and Nexis® service






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