Senior BackEnd Engineer
Qualifyze
full-remoteseniorpermanentbackend Full remote - Barcelona, ES Today via WTTJ
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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