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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Machine Learning Engineering Lead - **Company:** RELX Group - **Location:** London, UK - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Clean Code Principles, .NET Framework, Application Programming Interfaces (APIs), Artificial Intelligence, Amazon Web Services, Automation of Tests, C Sharp (Programming Language), Code Review, Databases, Content Migration, Continuous Integration, Data as a Services, Information Engineering, Data Governance, Data Security, Software Debugging, Programming Tools, Distributed Systems, Systems Analysis, Python (Programming Language), Machine Learning, Microsoft SQL Server, Systems Development Life Cycle, Release Management, Cloud Services, Migration Manager, Azure Machine Learning, Search Technologies, Secure Coding, Service Development Studio, Software Engineering, Data Streaming, Systems Integration, Web Applications, Extensible Stylesheet Language Transformations (XSLT), Data Logging, Data Processing, Enterprise Software Applications, GitHub Copilot, Retrieval-Augmented Generation, Large Language Models, Prompt Engineering, Event Driven Architecture, Kubernetes, Data Analytics, Data Management, Machine Learning Operations, Software Coding, Terraform, Code Restructuring, AWS EKS, Docker, Legacy Systems - **Published:** August 18, 2026 - **Apply:** https://relx.wd3.myworkdayjobs.com/en-US/relx/details/Farringdon/Machine-Learning-Engineering-Lead_R116180-1 ## About the Role * Significant hands-on experience in machine learning engineering, software engineering, data engineering, or a related technical discipline. * Experience designing, building, deploying, and operating ML, AI, LLM, or data-driven systems in production. * Experience integrating AI/ML services with enterprise systems, APIs, databases, data platforms, legacy applications, or internal services. * Experience working with cross-functional teams to understand business processes, data flows, content repositories, integration points, and operational constraints. * Experience working with AWS or cloud-hosted production environments. * Equivalent technical experience or education considered. Technical Skills- * Strong Python development skills for machine learning engineering, data processing, automation, service development, and production AI/ML workflows. * Strong software engineering background, including system design, APIs, distributed systems, automated testing, code review, maintainability, reliability, and production support. * Strong understanding of ML engineering and MLOps practices, including model lifecycle management, CI/CD, testing, monitoring, release management, observability, and operational support. * Practical experience with LLM-based capabilities, including retrieval-augmented generation, semantic search, embeddings, prompt design, evaluation, guardrails, and observability. * Experience with agentic workflows, tool orchestration, and multi-step AI processes. * Strong AWS knowledge, including cloud-hosted applications, data services, security controls, logging, monitoring, and production support. * Strong understanding of SDLC practices, including requirements analysis, design, implementation, automated testing, code review, secure coding, deployment, and production support. * Strong understanding of responsible AI practices, including evaluation, traceability, secure data handling, model governance, human oversight, and risk management. * Ability to work with structured, semi-structured, and unstructured data sources. * Ability to understand legacy systems, domain processes, data flows, and integration constraints. * Practical experience using AI-assisted development tools such as GitHub Copilot, Codex, Claude, or similar tools to improve software delivery. * Strong problem-solving skills, including identifying, researching, troubleshooting, and resolving complex technical, data, and integration issues. * Strong communication and technical writing skills, including the ability to explain ML and engineering concepts clearly to technical and non-technical stakeholders. * Desirable experience with Docker, Kubernetes/K8s, AWS EKS or ECS, Terraform, or similar cloud deployment technologies. * Desirable working knowledge of C#/.NET and SQL Server, particularly for integration with enterprise or legacy systems. * Desirable experience with event-driven architecture, messaging, queues, asynchronous processing, retries, idempotency, and failure handling. * Desirable experience with legal content systems, LegalTech, publishing platforms, case law, citation systems, legal research workflows, XML/XSLT, structured content processing, search, ranking, indexing pipelines, or content enrichment. ## Description Are you passionate about designing and deploying intelligent machine learning solutions that drive business impact? Do you enjoy leading teams, building scalable ML systems, and turning complex data into innovative products and services? About the team: We are a software engineering team responsible for developing and supporting business-critical platforms used to create, manage, publish, and analyse legal and regulatory content. Our work spans modern web applications, cloud services, content migration programmes, publishing platforms, reporting solutions, and operational tooling. We partner with editorial, product, and technology stakeholders to deliver high-quality solutions that drive business value. In addition to supporting the UK business, we work closely with engineering teams across multiple regions to share expertise, promote reuse, and deliver scalable solutions that benefit the wider organisation., This position serves as a subject matter expert for Machine Learning Engineering, supporting production AI/ML, LLM/RAG, and agentic workflow capabilities for legal content products. In addition to writing code on complex systems, this position provides technical direction on architecture, MLOps, responsible AI, legacy system integration, AWS-based delivery, and AI-assisted development practices. The position does not have direct reports., * Serve as the initial point of escalation for AI/ML engineering issues within the area of responsibility. * Interface with software engineers, data engineers, product stakeholders, domain experts, platform teams, and other technical personnel to finalise requirements and clarify integration needs. * Write and review portions of detailed specifications for the development of complex AI/ML, LLM, RAG, and agentic workflow components. * Design, build, integrate, deploy, and operate production AI/ML and LLM-based services for legal research, analytics, and content use cases. * Implement RAG, semantic search, embeddings-based retrieval, ranking, summarisation, classification, content enrichment, and citation-aware AI capabilities where appropriate. * Design and implement agentic workflows, tool orchestration, and multi-step AI processes that are reliable, traceable, and governed. * Integrate AI/ML capabilities with enterprise systems, APIs, databases, data platforms, content repositories, legacy applications, internal services, and AWS-hosted services. * Establish evaluation and quality controls for accuracy, groundedness, citation quality, hallucination risk, agent task success, latency, cost, reliability, and business value. * Successfully implement development processes, coding best practices, code reviews, MLOps practices, and responsible AI controls. * Apply AI-assisted development tools to reduce software development cycle time and support code explanation, test generation, refactoring, debugging, documentation, code review, migration planning, and legacy system analysis. * Resolve complex technical issues related to AI/ML services, data flows, system integration, model behaviour, production support, and operational reliability. * Mentor and/or train engineers as directed by department management, ensuring they are knowledgeable in critical aspects of AI/ML engineering, MLOps, SDLC practices, and responsible use of AI-assisted development tools. * Keep abreast of relevant technology developments in machine learning engineering, LLMs, agentic workflows, AWS cloud services, responsible AI, and software engineering practices. * Ensure AI/ML solutions align with enterprise data governance, security, privacy, responsible AI, and operational standards. * All other duties as assigned. ## Related Videos - [Navigating the AI Revolution in Software Development](https://www.wearedevelopers.com/videos/1266-navigating-the-ai-revolution-in-software-development) - [Kubernetes and Microservices with Multi-Model Databases](https://www.wearedevelopers.com/videos/382-kubernetes-and-microservices-with-multi-model-databases) - [Hosting a modern justice system](https://www.wearedevelopers.com/videos/332-hosting-a-modern-justice-system) - [Docker Compose: Rediscovered](https://www.wearedevelopers.com/videos/1978-docker-compose-rediscovered) - [Fault Tolerance and Consistency at Scale: Harnessing the Power of Distributed SQL Databases](https://www.wearedevelopers.com/videos/1146-fault-tolerance-and-consistency-at-scale-harnessing-the-power-of-distributed-sql-databases) - [Remote Driving on Plant Grounds with State-of-the-Art Cloud Technologies](https://www.wearedevelopers.com/videos/251-remote-driving-on-plant-grounds-with-state-of-the-art-cloud-technologies) ## Related Articles - [What Are Large Language Models?](https://www.wearedevelopers.com/magazine/304-what-are-large-language-models) - [How to Become an AI Engineer](https://www.wearedevelopers.com/magazine/331-how-to-become-an-ai-engineer) - [MLOps – What’s the deal behind it?](https://www.wearedevelopers.com/magazine/125-mlops-what-s-the-deal-behind-it) - [MLOps And AI Driven Development](https://www.wearedevelopers.com/magazine/82-mlops-and-ai-driven-development) - [MLops – Deploying, Maintaining And Evolving Machine Learning Models in Production](https://www.wearedevelopers.com/magazine/115-mlops-deploying-maintaining-and-evolving-machine-learning-models-in-production) - [Coffee with Developers - Maria Apazoglou - Making AI understandable for all in production](https://www.wearedevelopers.com/magazine/475-coffee-with-developers-maria-apazoglou-making-ai-understandable-for-all-in-production)