Overview
Data/Backend Engineer - Retail Media at Just Eat Takeaway.com (JET). This role sits within the Insights and Enablement team in Retail Media, part of Jet Ventures. You will work at the intersection of software engineering, data engineering and applied AI/ML to design, deploy, and scale production systems that bring advanced data science research to production. You’ll partner closely with data scientists, product managers, analysts and engineers to transform prototypes into reliable, high performing services that deliver impact for advertisers and customers at scale. We’re seeking self-starters who are passionate about data, experimentation and emerging technologies in machine learning and AI. As a senior member of the team, you’ll help shape best practices, mentor others, and raise the technical bar.
About This Role We\u2019re looking for an experienced Data & Backend Engineer to join the Insights and Enablement team. This newly established team sits within Retail Media, part of Jet Ventures, and plays a pivotal role in shaping how we use data from our Customer Data Platform (CDP), enabling advanced audience segmentation, data visualisation, dashboards and surfacing insights across Retail Media and the broader JET organisation.
Location: Hybrid - 3 days a week from our London office & 2 days working from home. Reporting to: Technology Manager.
Responsibilities
* Design and build scalable data pipelines and event streaming architectures with a focus on quality and reliability.
* Develop and optimise backend services, APIs, and databases to power segmentation, recommendation, targeting, and measurement.
* Apply solid data engineering principles—schema design, efficient storage and retrieval, streaming, and ETL/ELT, with a focus on top-down/bottom-up data modelling methodologies.
* Orchestrate complex data workflows using modern tools like Airflow and dbt.
* Champion best practices for DevOps and DataOps, including testing, CI/CD, orchestration, and monitoring.
* Keep systems observable and healthy, monitoring for data drift, model degradation, and service reliability.
* Mentor engineers, share knowledge, and help the team grow stronger together.
Qualifications
* Experience as a Data Engineer and/or Backend Engineer, with a track record of building and shipping large-scale, real-world data systems.
* Strong coding skills (e.g. .NET, Python, Java, or Scala) and a deep understanding of distributed systems and backend services.
* Experience in developing and optimising backend services, APIs, and databases to power segmentation, recommendation, targeting, and measurement.
* Expertise in data engineering: pipelines, modeling, batch vs. event streaming, and ETL/ELT.
* Demonstrated experience with modern data orchestration and transformation tools, including Airflow and dbt.
* Proven knowledge of data warehouse design and data lake architecture, with experience in data modeling methodologies like Kimball or Inmon.
* Strong knowledge of SQL and NoSQL databases such as PostgreSQL, BigQuery, Cassandra, or DynamoDB.
* Experience with large-scale data platforms (e.g., Spark, Kafka, Flink, BigQuery) and cloud environments, with a preference for AWS or GCP.
* A collaborative mindset with ability to mentor and support engineers.
Perks and Culture
At JET, this is on the menu. Our teams forge connections internally and work with some of the best-known brands on the planet, giving us international impact in a dynamic environment. The culture is fun, fast-paced and supportive, focused on movement, growth and celebrating every aspect of our JETers.
Inclusion, Diversity & Belonging
No matter who you are, what you look like, who you love, or where you are from, you can find your place at Just Eat Takeaway.com. We are committed to creating an inclusive culture, encouraging diversity of people and thinking, in which all employees feel they truly belong and can bring their most colourful selves to work every day.
What else is cooking? Want to know more about our JETers, culture or company? Have a look at our career site where you can find people\u2019s stories, blogs, podcasts and more JET morsels.
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