Experteer Overview 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 / Incentivos • 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 Responsabilidades • 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 Requisitos principales • Autonomy on projects • Access to AI tooling (Cursor, Copilot) • Continuous improvement culture (Kaizen, PDCA) • Exposure to Go and Ruby stack • Collaborative engineering guilds

📌 Senior/Staff - Go Backend Engineer - Remote Friendly (Barcelona)
🏢 Qonto
📍 Barcelona