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    Software Engineer Elasticsearch - Utrecht, Nederland - bol

    bol
    bol Utrecht, Nederland

    Gevonden in: Talent NL C2 - 1 week geleden

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    Beschrijving

    How do you make our customers happy?

    With 13 million customers, 129 million monthly visits and about 41 million products on display, bol is the most successful online retail platform in The Netherlands and Belgium. And when we say 'platform', we mean it. Well over 49,000 external partners – and counting – enrich the product base. We the search team and we are responsible for the search journey of our consumers on web and app. By showing relevant products, based on the input of users, we enable both consumers to find what they are looking for and create a possibility for sellers to show their products.

    What do you do as...

    You will be part of a team that is focused on running and improving our search engine, based on Elasticsearch. We are continuously adding different features and tweaks and experimenting on different ways to serve the right products to the right consumers. This requires us to think on how we use our database and how other services around it can be used to optimize the data flow.

    As a software engineer in this team, you will increase your knowledge on Elasticsearch and learn on how to optimize the data (and the infrastructure around it) to server the high number of requests that we are dealing with. You will work on various Java/Kotlin services around the database to connect different services and enrich certain results (or queries) with additional information.

    The person we are looking for has a love for complex technical data solutions, wants to get a deep knowledge about how text-based search works and is interested in data science solutions (not in this team, but closely related to this team).

    The biggest challenge

    We need to make sure that we are able to dynamically handle all unique (and sometimes weird) requests from our consumers and match products that we have in our search optimized database. This season we peaked at 7.65k requests / second. We need to make sure that our setup is in such a way that we can do this, balancing a cached solution with real time updates; and understanding the tradeoff between the 'best' result and the fastest result.

    This is a constant challenge as our landscape changes, new business propositions are introduced and we need to keep an eye on the (cloud) costs.

    Tech Skills/experience

    Our technology:

  • Java & Kotlin
  • Elasticsearch
  • GCP Tech used: Dataflow, Pub/Sub, BigQuery, Memorystore, Bigtable & Kubernetes
  • Varnish

    • For this position we are looking for somebody who knows how to develop high volume, high available applications using Elasticsearch as a search engine (for fast text lookup).

    Preferably including setting up Elasticsearch in a cloud environment using Kubernetes and the ECK. The ideal candidate also has > 5 years of professional experience in Java or Kotlin.

    We expect a cloud-native mindset, with experience on various GCP products. Understanding how to write code that is suitable for fast horizontal scaling. Next to this we highly value individuals that take are making sure our monitoring and alerting are complete and actionable (SRE). Downtime in search will take our site and apps down directly.

    3 reasons why this is (not) for you

    Switch to find out

  • No, you like predefined stories where all requirements are written down perfectly and you just have to write code.
  • No, You prefer to work alone, a team only slows you down.
  • No, Although a highly used service is nice, you don't want to be responsible for something that is critical.
  • Yes, you love search related challenges and want to increase your knowledge on Elasticsearch.
  • Yes, you like being part of one of the critical consumer journeys of bol
  • Yes, you are not afraid to handle high volume, high traffic services

    • This is where you'll work'

    You will work in the search department, within the Shopping domain. A number of strategic company objectives for 2024 have impact on the bol search journey, because of that, we are increasing the number of engineers in our department.

    For two teams we are looking for engineers. This vacancy is for the team focusing on performance and Elasticsearch. The team will consist of 5 engineers, a data analyst and a product manager. There are two engineering positions open, the other roles are already taken. You will be working closely together with another team which is focusing on increasing the relevancy of results based on data science (AI) solutions.

    We are proud of testing (almost) all changes with A/B tests or other experiments, to ensure a fast feedback loop between the things we build and what people are actually using. And of course, everything in the cloud.

    Perks of having a blue heart

    Bonus

    The bonus is calculated at the end of the year and we always end the year with a fun party

    The extras

    To start your bol journey off right, you'll receive a welcome package, a laptop, and even a noise-cancelling headset.

    Your pension

    Bol pays part of the basic pension and any top-up scheme.

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