About Mercari

Minato-ku, Tokyo

Mercari is a marketplace app that makes it easy for people to safely sell and ship their things. Having been downloaded over 100 million times, it is now among the largest peer-to-peer selling platforms globally.

Key benefits

  • Full flextime
  • Outside work encouraged
  • Employee stock ownership program

About the position

Responsibilities

  • Scalable: Capable of carrying out distributed searches across several billion pieces of data to quickly identify illegal items
  • Realtime: Capable of adding and updating product/action data within a few seconds
  • Semantic: Capable of using AI, machine learning, and natural language processing in tandem with the massive data logs that Mercari accumulates in order to improve services such as search, image recognition, action prediction, and irregularity detection.

Required Experience

  • Shared belief in Mercari’s mission and values
  • BS in Computer Science or related disciplines (M.S. or Ph.D. preferred)
  • 3+ years of relevant work experience
  • Well versed in at least one of the following programming: Java, Go, or Python

Nice to haves

These aren’t required, but be sure to mention them in your application if you have them.

  • Experience using OSS search engines such as Solr and Elasticsearch
  • Experience with streaming processing and the collection of large-scale logs via Apache Spark and Kafka
  • Experience developing and operating search and data services for a C2C or EC site
  • Experience with the container-type virtualization services that make microservices possible, such as Kubernetes.
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Meet Mercari's Developers

Joining Mercari as a tech lead

with Jieqiong Yu

Jieqiong shares her experience of joining Mercari and working as a tech lead. She explains their engineering culture and provides tips for potential applicants.

Read her story...

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About Mercari

Minato-ku, Tokyo

Mercari is a marketplace app that makes it easy for people to safely sell and ship their things. Having been downloaded over 100 million times, it is now among the largest peer-to-peer selling platforms globally.

Key benefits

  • Full flextime
  • Outside work encouraged
  • Employee stock ownership program

Other Jobs at Mercari

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