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Senior Data Engineer
  • Python
  • Machine Learning
  • Big Data
  • Modeling
  • Scala
  • Business Intelligence
  • Azure
  • BigQuery
Just Eat
London
164 days ago

Just Eat is searching for a Senior Data Engineer to join the Data Systems team. You’ll have the opportunity to work with big data technologies, building scalable and reliable solutions to support real time analytics, advanced data science and critical operational projects powered by data.

What We Do

The Data Systems team’s role is to build a transformational data platform in order to democratise data in Just Eat. Our team is built on following principles:

  • Open Data: We ingest all data produced across Just Eat using batch and realtime pipelines and make it available to every employee in Just Eat. This data is then used to drive analytics, business intelligence, data science and critical business operations.

  • Self Service: We build tools, frameworks and processes to support self service modeling and activation of data. Our goal is to empower our users to find, process and consume our data without barriers.

  • Single Truth: We build services that host all metadata about Just Eat’s data in a single store and promote governance, data culture and Single Source of Truth.

  • Intelligent Personalisation: We build and maintain a machine learning platform which supports data scientists in developing and deploying ML models at production scale. This allows us to deliver insights, personalisation and predictions to our customers at scale.

How We Do It

Our team is built on the following tenets:

  • Innovate: We are always learning, growing, inquisitive and keen on new technologies and open source tooling. We love like-minded engineers with a passion to keep our code-base and infrastructure best in class.

  • Build for Scale: All our tools and components are built for scale and we use Kubernetes and other tools to help us scale automatically.

  • Cloud based: We use serverless technologies where possible to simplify our estate, technologies like BigQuery, PubSub, Dataflow and Cloud functions allow us to move quickly. In addition, we run a Kubernetes cluster on GKE with many workloads including instances of Apache Airflow.

  • DevOps culture: Everyone in the team contributes to infrastructure, we have a CI/CD pipeline and we define our infrastructure as code. Our stack includes terraform, jenkins and Helm. Teams monitor their applications using prometheus, grafana and alert manager.

  • Collaboration & Ownership: All code is owned by the team and we have multiple avenues for collaboration - rotation, pairing and technical showcases. We also encourage team members to own their own code and promote self governance.

We’re looking for enthusiastic engineers to join two of our teams within Data Systems

Self Service Tools

Our mission is to enable all employees to be self-sufficient with data, so that data-driven decisions can be made quickly and easily. We build and maintain all of Just Eat’s data centric tools.

We use engineering to simplify tasks, reducing the technical barrier of entry to navigate, explore and consume our data. Our tools use Airflow to unlock the tasks of transformation and egress of data, making these simple functions that can be undertaken by anyone.

We support over 200 active users across the business, building Airflow backed tools that run thousands of DAGs in multiple timezones. We manage and run our own Airflow clusters on Kubernetes. We work together as a team in three countries to produce innovative products and keep data flowing.

Core Systems

Our team’s mission is to build base functionalities that power a leading data platform. Our portfolio includes a variety of highly critical tools including (but not limited to) Real-time Ingestion, GDPR, Metadata Catalogues, and Access Controls. Here are snippets of some of our portfolio

Real-time Ingestion - A generic data ingestion pipeline currently running up to 10k events per second from 2.5k topics.

Metadata Catalogues - Infer and store context around data (about 1 PB in 500 datasets) and keep it secure and searchable.

Our stack is primarily Scala using libraries like ZIO, Cats, Akka streams and Apache beam. Python is also used in lot’s of areas.

Required skills and experience

You should apply if

  • You love writing well tested, readable and performant code, capable of processing large volumes of data. You have mastery in Scala and/or Python.

  • You love working with Cloud technologies, and have experience in working with AWS, Azure or Google Cloud. We use Google Cloud with a mix of services - Kubernetes, Dataflow, PubSub etc.

  • You can contribute to architecture discussions and influence peers and stakeholders to make better decisions.

  • You have the inclination to collaborate and ability to communicate technical ideas clearly.

  • You understand the entire product development lifecycle, from coding to deployments, to monitoring, alerting etc... Our teams maintain all aspects of our product lifecycle, but we don’t expect everyone to be an expert in all of it.

  • You understand the fundamentals of computing and distributed systems.

Why work at Just Eat?

Just Eat Takeaway.com is a leading global online food delivery marketplace headquartered in Amsterdam and listed on the London Stock Exchange.

We've built our business on having the widest choice available on our platform – connecting millions of customers with over 155,000 restaurants across 23 countries - with over 100 different cuisines from local independents to globally famous restaurants, available to order via our app and website.

We provide the platform and tools to help independent restaurants move online and reach a significantly broader customer base – to generate increased orders and grow their businesses. We also provide the insights, advice, and support our growing community needs to satisfy customers and help raise standards across a vibrant takeaway sector.

We’re built to deliver behind the scenes too. To make Just Eat the great company it is, it takes a great team of people. Which is why all of our colleagues are welcomed into a diverse and inclusive workplace where they feel they can belong. We're passionate about nurturing our people and offer a full programme of training and support to our employees – helping them to develop their careers in a way that suits them.

No matter who you are, what you look like, who you love, where you are from, religious beliefs or takeaway preferences you could find your place at Just Eat. We’re a diverse and inclusive workplace that promotes a sense of belonging, allowing all of our people to bring their most colourful and complex selves to work every day.

#LI-DNI

Just Eat is an equal opportunity employer and values a diverse and inclusive workplace. All qualified candidates will receive consideration for employment without regard to age, race, colour, religion, genetic information, sex, sexual orientation, gender identity, national origin, disability status, or any other characteristic protected by law.

Just Eat is committed to working with and providing reasonable accommodation to job applicants with disabilities. If you are a qualified individual with a disability and need an accommodation or accessibility assistance to complete the online application, please contact us at recruitment@just-eat.co.uk for assistance.

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