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Senior Software Engineer

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Onsite

Senior Software Engineer

Back Market

Senior Software Engineer

Skills

Google Cloud PlatformDockerTypescriptDjangoPythonGolangPostgreSQLKafkaRedisRabbitMQDatadogCircleCIGitHubKubernetesFastAPIJavascript

1 month ago

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Important information


Location:

Barcelona, Spain

Work mode:

Onsite

Published on:

22 September 2026

What they need


Who you are

  • We’re looking for versatile engineers who show strong ownership and are motivated to take on new challenges across the technical stack while helping us move our technology forward
  • You will be working in an agile "build it and run it" environment where engineering teams build, launch, monitor and support the product that they own
  • Driven by the desire to craft outstanding products, you understand how to deliver seamless user experiences at scale
  • We are looking for passion in creating systems by producing clean, consistent and well-organised code
  • As well as a good team player supporting colleagues and creating a learning and sharing environment!
  • English must be a no-brainer as you will join an international team dispatched in different locations around the world (US/FR/ES/JP)
  • At least 5 years of experience as a Software Engineer
  • Has strong technical abilities in Javascript and Typescript. Bonus if worked with e.g. Python and Go as well or any backend language
  • Has worked with configurating CI/CD pipelines like CircleCI or equivalent
  • Delivers high quality code including tests, documentation and in-depth PR descriptions
  • Can receive and provide in-depth constructive code reviews
  • Interest in our tech stack : GCS, Kubernetes, Docker, REST APIs, Python, VueJs, Nuxt, Algolia, Datadog
  • End-to-end product thinking
  • Curiosity about multi stack
  • Strong collaboration and communication skills
  • Ability to navigate ambiguity across technical domains
  • We know that the perfect background for a role doesn’t mean the perfect fit — we encourage you to apply for a role even if you think you may not have all the qualifications

What the job involves

  • The Code Foundation team is dedicated to providing foundational tools, libraries, and standards that enhance developer productivity and ensure consistency across application development
  • By fostering a culture of experimentation and enabling robust observability, the team empowers developers to deliver high-quality products efficiently and effectively
  • As a Software Engineer, you will work closely with all members of your squad, and the Staff engineer of your group
  • Bi-monthly rituals with your group and the Chapter will allow you to share what works for your squad, learn what works for others, and make sure your technical direction is aligned with the overall vision
  • Our technical environment:
  • Frontend stack: VueJS, Typescript, Nuxt, Revolve (our design system)
  • Backend stack: Python - FastAPI , SQLAlchemy, Celery, Golang, Django (being phased out)
  • Data: PostgreSQL, Redis, Kafka, RabbitMQ, BigQuery
  • Infrastructure: GCP, Kubernetes, Docker, Datadog, ArgoCD, CircleCI, Github
  • Main technical challenges:
  • Traditionally based on a monolith, Back Market's technical stack has been undergoing a radical transformation in recent years into a distributed and service-oriented architecture
  • This transition provides an opportunity to modernize the platform, raising engineering standards
  • Building a set of efficient and loosely coupled services is one of the main challenges to face for the years to come
  • But teams are excited to independently control their release schedules, manage their data, SLAs, tools, and – ultimately – be responsible for their own service-offering
  • Meanwhile, Platform teams are working to provide a scalable, consistent and secure platform, one that makes engineering teams more productive
  • As a SENIOR I Engineer: Produce, Innovate & Share:
  • Facilitates meaningful discussions around complex issues
  • Suggests or makes improvements for existing designs and architecture for quarter-bounded projects or mission-critical areas in their squad
  • Explores technologies with sizable potential impact for the team
  • Is able to contribute actively to high impact chaos mitigation
  • Identifies and advocate for prioritization of tasks that can optimize delivery

The application process

  • HR screening - (45 min)
  • Coding & Testing module - Backend (60 min)
  • System design feature (60 min)
  • Tech leadership + Meet your manager ( 75 min)
  • BM Values (45 min)

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