Paris / Berlin / Barcelona / MilanTech & Data – Backend /Full-time /RemoteOur mission and customers: We are creating the freedom for SMEs to succeed by delivering Europes leading finance workspace with banking at its core, augmented by financial tools. We are proud to be rated 4.8 on Trustpilot,based on 55,000+ reviews. Our cultureputs customer satisfaction at the core of what we do, as proven by our Net Promoter Score of 75 (more about our culture here).Our journey: Founded in 2017 byAlexandre and Steve, Qonto has grown to 1,600+ Qontoers serving over 600,000+ customers across 8 European countries. We have been profitable since 2023, and we are just getting started.Our beliefs: We hire for skills and potential. With 80+ nationalities, 45% women, of which 56% of women in our leadership team, diversity isnt a program; Its who we are. Weve built a discrimination-free hiring process because the best teams are built on merit.AI at Qonto: AI is deeply embedded in how we work (here) - Every Qontoer gets unlimited access to the best AI tools. We want people who experiment without waiting for permission, push AI beyond the obvious, know when to trust it, and when to question it.------------------------------------------------------------------------------------------------------Join us as Principal Backend Engineer in the Foundations domain and help scale the critical systems that power Qontos 600,000+ customers — before they become bottlenecks. Youll drive company-wide backend initiatives spanning transactions, search, monetization, permissions, and integrations.️ What youll doAnticipate and solve scale challenges before they hit: Youll map technical risks across Foundations core systems — ~600k daily transactions approaching 1B total, search indexing, billing — and drive the architectural work that keeps Qontos growth ahead of its infrastructure.Lead broad, high-stakes technical initiatives: Youll own end-to-end programs spanning multiple teams, touching Legal, Risk, Compliance, and leadership, with real business consequences.Shape the platforms future:



Youll identify where Foundations needs to invest next — from granular permissions to AI-native integrations — and translate those bets into technical roadmaps.Multiply the engineering org around you: Youll raise the bar for groups of engineers through mentoring, coaching programs, and technical enablement — not just one-on-ones.Bridge business goals and backend decisions: Youll connect company and customer needs to concrete technical plans and communicate them clearly to engineers and executives alike.️ What were looking forLarge-scale backend architecture: Youve designed and scaled high-volume systems — transactions, search/indexing, billing, or similar — under real growth pressure.Company-wide technical leadership: Youve driven complex, multi-team initiatives that touched Legal, Risk, Compliance, and leadership, and you can tie every technical decision to a business outcome.Autonomous by default: You thrive in ambiguous environments, map ecosystems yourself, surface risks early, and propose initiatives without waiting for direction.Multiplier, not just contributor: Youve raised the bar for groups of engineers through mentoring programs, documentation, or structured technical enablement.AI in your workflow: You use AI tools to accelerate how you architect, prototype, and communicate — and youre excited about what AI-native integrations could unlock for a platform like ours.️ What we can offer youScale Qontos next chapter: Usage and data volumes are growing fast — youll architect solutions before systems become bottlenecks, not after.The largest engineering domain at Qonto: Foundations spans ~110 backend engineers across internal tooling, monetization, integrations, transactions, permissions,



and automation — its genuinely Principal-scale scope.Complex, urgent, business-critical challenges: From search indexing trade-offs at 1B+ interactions to AI-native integrations, the technical problems here directly shape the product millions of customers use daily.Real ownership over technical direction: Youll identify what matters, propose the roadmap, and drive execution — with the autonomy to shape the domains future.Dont check every box? If youre excited by the scope and feel strongly about the mission, wed love to hear from you anyway.At Qonto, we understand that true diversity isn’t just about ticking boxes on a hiring checklist. Apply regardless of the boxes you tick — who knows? You may have the missing piece of the puzzle we’ve been searching for all along.By applying, you agree that Qonto processes your personal data to assess your application. Your data is kept for up to 2 years in our candidate pool. Read our Privacy Notice for full details.------------------------------------------------------------------------------------------------------On average, our hiring process lasts 20 working days. More information on our candidate journey here ------------------------------------------------------------------------------------------------------ð Your security matters to usRecruitment scams are on the rise. Keep in mind, we will never work with third-party platforms or agencies that request payment from candidates.If you receive a suspicious message claiming to be from Qonto, please report it right away ((email protected))We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses and identifying potential inconsistencies or verification signals in application materials based on available information. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.

📌 Principal Backend Engineer (Milano)
🏢 Qonto
📍 Milano