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Senior BackEnd Engineer

Qualifyze

full-remoteseniorpermanentbackend Full remote - Barcelona, ES Today via WTTJ

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Tags

Backend EngineeringPostgreSQLEvent-Driven ArchitectureClean ArchitectureTestingMentorshipEnglish CommunicationTechnical LeadershipScalable SystemsSecurity & Compliance

About the role

Role overview

Join Qualifyze as a Senior Backend Engineer in a growing backend engineering team. You will guide backend architecture and testing practices, own complex technical tasks, and mentor peers to ensure scalable, high-quality delivery.

Missions / responsibilities

  • Guide backend architecture, testing strategy, and technical decisions across teams
  • Own and solve complex tasks within large projects or lead small projects independently
  • Communicate effectively with team members to align business priorities and technical needs
  • Mentor peers and support pragmatic decision-making

Requirements

  • Strong backend engineering expertise
  • Database experience with PostgreSQL
  • Pragmatic approach to technical solutions
  • Hands-on experience with event-driven systems
  • Proficiency in clean architecture and good engineering/testing practices
  • Ability to work in an international environment with daily communication in English

Nice to have

  • Experience designing systems with security and compliance by default, especially for regulated environments

About Qualifyze

Qualifyze is a software engineering company building solutions with a strong focus on backend architecture, scalable delivery, and high-quality engineering practices. The role sits within a growing, international team shaping technical decisions across teams.

Scraped 5/13/2026

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