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Backend Developer CV example in Barcelona

Looking for a Backend Developer job in Barcelona? Barcelona is Spain's tech, gaming, design and startup capital — many roles are English-first. Keep the CV to 1–2 pages, add a short profile in Spanish or English, and lead with measurable outcomes. This guide covers what employers in Barcelona expect on a Backend Developer CV, local salary ranges from junior to lead, the companies hiring most often across Barcelona and Spain, and a ready-to-copy example you can tailor in 30 seconds with ResumAI.

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What recruiters look for

  • Languages and frameworks (Go, Rust, Node, Java, Python)
  • Database and infrastructure depth
  • Scale, latency and reliability numbers
  • Distributed-systems thinking — caching, queues, event-driven

Example CV snippet

Summary

Backend engineer focused on distributed systems in Go and Rust. Owned services handling 8B+ requests/month with 99.99% availability across 4 regions.

Experience

  • Designed and shipped a sharded Postgres → CockroachDB migration with zero downtime.
  • Reduced p99 latency on the search service from 220ms to 78ms.
  • Owned SLO definitions and on-call rotation across 4 critical services.

Skills

  • Go
  • Rust
  • Postgres
  • Kafka
  • distributed systems
  • Kubernetes
  • Barcelona
  • Backend Developer jobs Barcelona
  • Barcelona CV
  • Spain

Common mistakes

  • No latency, throughput or availability numbers.
  • Listing every datastore touched without depth.
  • Missing distributed-systems primitives (caching, queues, consistency).

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