Senior Data Scientist, AI Growth & Personalisation (Hybrid)

Just Eat Takeaway.com; City Of London; Hybrid; GBP 70,000 - 110,000; Full time

Job summary

Just Eat Takeaway.com is seeking a Data Scientist to join the AI Growth team in London or Amsterdam. This hybrid, full-time role focuses on building end-to-end ML solutions for personalised experiences across our marketplace, from embedding models to recommender systems.

You’ll collaborate with ML engineers, product teams and commercial stakeholders to ship production-quality models. The role emphasizes experimentation, real-time data pipelines, and cross-functional impact on customer engagement

Qualifications

• Proven track record delivering end-to-end ML solutions from problem framing through data exploration to production deployment and experiment measurement.
• Hands-on expertise in search, retrieval and recommendation techniques with measurable business impact.
• Experience applying LLMs in production environments, including prompt engineering and model tuning.
• Strong experimentation skills with design and interpretation of A/B tests.

Responsibilities

• Lead development and deployment of ML/AI solutions including embedding models, fine-tuned LLMs, and ranking systems.
• Apply generative AI techniques to personalization challenges to improve search relevance and app experiences.
• Design, run and interpret AB experiments with statistical rigour and measure real business impact.
• Collaborate with ML engineers to productionise models and maintain monitored data pipelines.
• Translate complex business questions into modelling approaches and communicate results to stakeholders.
• Own end-to-end workstreams, framing problems, choosing approaches, running experiments and presenting findings.
• Write production-quality Python code and efficient SQL for scalable data pipelines.
• Contribute to foundation model platform and personalised targeting systems.
• Design experiments that influence commercial decisions with statistical validity.
• Stay current with advances in search, retrieval, and LLM applications.

Skills

ML & AI

Python

SQL

Experimentation

Communication

Tools

Python

SQL

MLOps

LLMs

Embeddings

Job description

Just Eat Takeaway.com is seeking a Data Scientist to join the AI Growth team in London or Amsterdam. This hybrid, full-time role focuses on building end-to-end ML solutions for personalised experiences across our marketplace, from embedding models to recommender systems.

You’ll collaborate with ML engineers, product teams and commercial stakeholders to ship production-quality models. The role emphasizes experimentation, real-time data pipelines, and cross-functional impact on customer engagement