Senior Machine Learning Engineer - Conversational AI

Deliveroo · London - The River Building HQsenior

En corto

▸Ingeniero de ML senior enfocado en IA conversacional y LLMs para mejorar la experiencia del cliente.
▸Gestión completa del ciclo de vida de modelos, desde diseño hasta producción en sistemas escalables con monitoreo en tiempo real.
▸Destacan proyectos de IA generativa y agente, con impacto directo en compensaciones y soporte al cliente.

Proficiency in English required

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¿Qué piden?

✓Experiencia comprobada como ingeniero de ML o científico de datos con código de producción en Python.
✓Propiedad de proyectos de IA generativa o agente, con dominio de LLMs, transformers y fine-tuning.
✓Capacidad comprobada para desplegar y gestionar modelos usando Docker, Kubernetes y CircleCI.
✓Conocimiento sólido de técnicas tradicionales de ML y evaluación, con enfoque en impacto medible.
✓Mentalidad colaborativa con experiencia en mentoreo y resolución de problemas complejos a gran escala.
✓Capacidad para liderar técnicamente en áreas con propiedad incierta y establecer estándares de calidad.

¿No cumplís todo? Es lo normal — tu dossier gratis te dice qué gaps tenés y cómo cubrirlos en la entrevista.

PythonDockerKubernetesCircleCILLMsTransformersFine-tuningGenerative AIAgentic AIEvaluation harnesses

¿A quién escribirle en Deliveroo?

Tu dossier gratis identifica a las personas que te entrevistarían — con su background, qué valoran y cómo escribirles para destacar antes de aplicar.

Senior Machine Learning Engineer - Conversational AI Join us in our mission to transform the way people shop and eat, where impact, innovation and growth drive everything we do. Our Engineering teams tackle complex technical challenges across a global, three-sided marketplace, building and scaling systems that serve millions of customers, riders and partners every day. From real-time logistics to resilient infrastructure and marketplace optimisation, we design, build and operate technology that powers Deliveroo’s growth at scale. We’re looking for a Senior Machine Learning Engineer to join our London team. In this role, you’ll help shape the decision-making systems that directly impact customer experience, trust, and fairness at Deliveroo. This role is based in our London office with a hybrid setup, typically 3 days in the office. What You’ll Be Doing You’ll be joining the Care team. Care is an area with significant opportunity and real customer impact; you’ll take ownership of existing models and help define strong ML foundations in spaces that are still evolving, from LLM-powered automation to customer compensation logic. Here’s what your day-to-day might look like: Own the full ML lifecycle: Lead the design, development, and productionisation of machine learning models used in customer support and high-stakes decision systems. Architect for reliability: Build robust monitoring, evaluation, and alerting frameworks to detect model underperformance, drift, or unexpected behaviour in real-time. Collaborate on product strategy: Partner closely with Product Managers to turn ambiguous customer problems into robust, scalable ML solutions. Drive technical excellence: Provide technical leadership in areas with unclear ownership, setting the gold standard for ML quality, reliability, and maintainability. Bridge science and engineering: Work with data scientists and engineers across the global organisation to embed models into high-performance, scalable systems. What You’ll Need to Thrive Essential Significant experience as an ML Engineer or Data Scientist, with a proven ability to write high-quality production code in Python . Demonstrated ownership of productionising Generative AI workstreams or Agentic AI projects, including a deep understanding of LLMs, transformers, and fine-tuning. Proven ability to deploy and manage models using modern infrastructure tools such as Docker, Kubernetes, and CircleCI . Strong foundational knowledge of traditional ML and evaluation techniques, balanced with a bias for simplicity and measurable business impact. A collaborative mindset with experience mentoring peers and a drive to solve complex, real-world problems at scale. Nice to Have Experience with evaluation harnesses and frameworks specifically designed for Generative AI. Familiarity with observability, monitoring, and safety techniques for deployed GenAI systems. Experience working with strongly typed languages, such as Go . Why Join Us? At Deliveroo, you’ll do work that matters—solving real-world problems in a three-sided marketplace that’s constantly evolving. We’re food lovers, problem solvers, community builders and more, brought together by a shared drive to make things better. Working here you can expect to: 🔧 Solve meaningful problems at real scale Work on a complex, always-on marketplace that impacts millions every day. 🌱 See your impact, fast Ship, test and improve ideas quickly in a low-hierarchy, high-ownership environment. 🧠 Grow through challenge and ownership Take on big, ambiguous problems and accelerate your career with strong support. 🌎 A culture built for builders High standards, collaboration, flexible working and continuous learning. 💰 Share in the success you help create Competitive salary and equity options, so you’re rewarded for the impact you make. ➡️ Want a deeper look at how we build? Tech Blog . Our Global Structure Deliveroo is now part of DoorDash, bringing together teams with even greater reach

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