Senior Machine Learning Engineer I

RELX International; East Devon; Hybrid; GBP 75,000 - 120,000; Full time

Job summary

LexisNexis Intellectual Property Solutions, part of RELX, is seeking a developer to shape the AI capabilities behind our IP analytics platform in a collaborative, flexible environment.

You will research, design and deliver agentic AI features, build scalable services and mentor junior engineers while working across the full development lifecycle with Python, AWS and data libraries like pandas and FAISS.

Qualifications

• Experience 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.

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.

Skills

Python

AWS

Terraform

AI/ML

Code reviews

Mentoring

Scrum

Tools

Google ADK

Pandas

FAISS

Azure Pipelines

Job description

About the team

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

We are committed to providing a fair and accessible hiring process. If you have a disability or other need that requires accommodation or adjustment, please let us know by completing our Applicant Request Support Form or please contact 1-855-833-5120.

We are an equal opportunity employer: qualified applicants are considered for and treated during employment without regard to race, color, creed, religion, sex, national origin, citizenship status, disability status, protected veteran status, age, marital status, sexual orientation, gender identity, genetic information, or any other characteristic protected by law.

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