Senior/Staff - Go Backend Engineer - remote friendly - barcelona
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In this role you will design, build, and operate scalable backend services that process real financial transactions for 750,000+ SMEs. You join a mission-driven team, owning end-to-end reliability and architecture in a setup that blends product and platform work. You will mentor peers, drive improvements, and help raise quality through production monitoring and post-mortems. This opportunity offers autonomy, continuous learning, and tight collaboration with cross-functional partners.
Compensaciones / Beneficios- Autonomy on projects
- Access to AI tooling (Cursor, Copilot)
- Continuous improvement culture (Kaizen, PDCA)
- Exposure to Go and Ruby stack
- Collaborative engineering guilds
- Design, build, deploy, and maintain services handling real financial transactions with production reliability
- Co-own service architecture, resilience, and scalability using Domain-Driven Design principles
- Grow technical leadership by leading design discussions and mentoring engineers
- Drive continuous improvement through fixing flaky CI, post-mortems, and sharing learnings
- Contribute to discovery, make technical decisions, monitor production performance, and raise quality standards
- Strong backend engineering experience with large-scale web application architecture and real production constraints
- Ability to transfer to similar technologies and learn the stack quickly
- Quality-driven mindset with testing, monitoring, incident handling, and root cause analysis
- Ownership mindset: track impact post-release, flag regressions, and improve scope
- Team player with experience in squad-based work with PMs, Designers, and other stacks, fluent in English
- Team collaboration
- Mentoring and technical leadership
- Problem solving under production constraints
- Go
- Ruby
- Kubernetes (AWS)
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barcelona, cataluña, España Qonto Jornada completaOur mission and customers: We are creating the freedom for SMEs to succeed by delivering Europe's leading finance workspace with banking at its core, augmented by financial tools. We are proud to be rated 4.7 on Trustpilot, based on 60,000 reviews. Our culture puts customer satisfaction at the core of what we do, as proven by our Net Promoter Score of 75...
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