W

Backend Engineer

Wallapop

Barcelona, Catalonia, Spain Full-time June 03, 2026

Opportunity Description

The Challenge

Some of the interesting things we are currently doing include finding new ways to handle the complexity or improve resiliency. We leverage various AWS technologies (compute, storage, etc.) to meet our objectives. At Wallapop, as a Backend Engineer, you'll own team microservices, fully embracing the DevOps philosophy. Our tech stack includes the following:

  • Java & Kotlin
  • Spring & Axon Framework
  • RabbitMQ
  • MySql, DynamoDB, Redis & Memcached
  • Docker
  • ElasticSearch & Solr
  • AWS: S3, ECS, CloudWatch, RDS, CloudFormation, Lambdas & more
  • What You Will Do

  • Write robust, scalable code in Java or Kotlin, depending on your team's stack
  • Develop new features using Domain-Driven Design (both tactical and strategic design)
  • Address and refactor legacy components
  • Testing all the things! Testing is a must, especially if you want to avoid t...
  • Full-time Assemblers and Fabricators

    Interested in this opportunity? Apply now through Expertini.

    Apply for this Position