Go backend engineer in fintech

Qonto; United States; Remote; USD 130,000 - 190,000; Full time

Benefits offered by this job

Qonto Way methodology

Team autonomy

Continuous improvement culture

AI tooling access

Job summary

Qonto in the United States is seeking a Senior Backend Engineer to design, build, deploy, and maintain services that process real financial transactions with real-time reliability and accuracy.

You will co-own service architecture, lead design discussions, mentor engineers, and drive continuous improvement—from flaky CI fixes to post‑mortems—while collaborating with PMs, designers, and other stacks in English.

Qualifications

• Strong backend engineering experience with large-scale web apps.
• Fluent in English; able to work with PMs and designers in squad teams.
• Able to write tests, monitor, handle incidents, and perform root cause analysis.

Responsibilities

• Design, build, deploy, and maintain services handling real financial transactions.
• Own reliability in production and co-own architecture for scalability.
• Lead design discussions, mentor engineers, and drive improvements.
• Drive continuous improvement from CI fixes to post-mortems and learnings across the team.

Skills

Backend engineering

Production systems

English fluency

Tools

CI/CD

Monitoring

Testing frameworks

Job description

Описание:

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. Join us as Senior Backend Engineer to build the financial infrastructure that 750,000+ European SMEs depend on every day, from highly scalable APIs to robust banking services that handle real money, in real time, with zero room for mistakes.

Задачи:

Design, build, deploy, and maintain services handling real financial transactions, owning reliability in production, not just at merge time Co-own service architecture, resilience, and scalability with respect to Domain-Driven Design principles Grow in technical leadership: lead design discussions, anticipate risks, and mentor less experienced engineers Drive continuous improvement, from fixing flaky CI to running post-mortems and propagating learnings across the team Contribute to discovery, make technical decisions, monitor production performance, and steadily raise quality standards

Требования:

Strong backend engineering experience with exposure to large-scale web application architecture and real production constraints You don't need to know our exact stack, but you transfer fast and are comfortable with similar technologies You write tests, set up monitoring, handle incidents methodically, and do root cause analysis You track impact after release, flag regressions, and improve what's in your scope without being asked You are comfortable working in squad teams with PMs, Designers, and other stacks, and you are fluent in English

Условия:

• Our methodology, the Qonto Way: We value upfront technical design, team reviews, and smart slicing. Quality drives the velocity our customers need
• Autonomy: Our org assigns one team lead per project across stacks, giving your team a clear mission and full autonomy on how it operates
• Continuous improvement: Our lean toolbox, Kaizen, PDCA, lets you monitor and drive improvement collaboratively with your peers and manager
• AI tooling: Each engineer gets access to Cursor or Copilot, and we want people who use AI to raise the bar, not just to go faster