Backend Engineer

Wallapop
Full-time Barcelona, Catalonia Assemblers and Fabricators
Posted:
June 06, 2026
Location:
Barcelona, Catalonia, Spain

Job 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...
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    Job Overview

    Job Type: Full-time
    Location: Barcelona, Spain
    Posted: June 06, 2026
    Deadline: July 16, 2026