Senior Ruby Backend Engineer - remote friendly

Our mission? Creating the freedom for SMEs to succeed in business and beyond, by delivering Europe’s leading finance workspace. We combine business-class tools (seamless invoicing, spend management, and pre-accounting) with unwaveringly attentive 24/7 support, designed to help businesses breeze through all things finance.
Our journey: Founded by Alexandre and Steve in July 2017, Qonto has rapidly gained trust, serving over 600,000 customers. Thanks to our wonderful team of 1,600+ Qontoers, we also made it to the LinkedIn Top Companies French ranking!
Our values:Customer focus | Prioritize customers in everything you doOwnership | Own your part, get things doneTeamwork | Make (team)work easyMastery | Continuously raise the barIntegrity | Always do what’s right, and respect people
Our beliefs: At Qonto, we're committed to fostering a welcoming environment where everyone can thrive. We prioritize evaluating applicants based solely on skills and potential, ensuring diversity with 55% international team members, 44% women, and 20% parents. Join us in building a workplace that celebrates diversity and individuality.
Discover the steps we took to create a discrimination-free hiring process.
Join us as a Backend Engineer to craft polished user experiences, highly scalable APIs and robust banking services, all to help create the finance solution all businesses love.
As a Backend Engineer, you will be part of a team of 180 highly skilled back-end engineers from all over the world. You will work closely in cross-functional teams to shape our finance solutions. You will also take part in the direction of our banking product, manage how we will handle our ever-growing user base needs, and deliver high-quality products in a fast-paced environment.
👩‍💻🧑‍💻 As a Backend Engineer at Qonto, you will
• Design, develop, deploy and maintain new and existing applications to reach the team’s goals and to meet the stakeholders’ needsProduce and ship high-quality, well-documented code• Co-own our services architecture, resilience, scalability and robustness, with respect to Domain-Driven Design principles• Grow on technical leadership & mentorship of other engineers
Our primary languages are Go and Ruby for backend, EmberJS for frontend, and Kotlin and Swift for our mobile apps. Our platform runs on a Kubernetes cluster hosted on AWS, with PostgreSQL as our database of choice. We're also using Kafka for our event-driven architecture and ELK for logging and auditing, among many other tools, services, and applications.
🤔 What you can expect: our methodology, the Qonto Way
• We highly value the analysis phase on software delivery. We're putting a heavy emphasis on upfront technical designs, team reviews, and smart slicing. You can expect to focus on quality, which we believe drives the velocity our customers need.• We think success comes from a space where you're given time, support, and autonomy to improve yourself, our systems and our processes. Our lean toolbox enables you to monitor your constant improvements (Kaizen, PDCA) in a collaborative way with your peers and manager.• Our engineers, working in cross-functional teams, dedicate themselves to one feature at a time.• We value the efficiency and productivity of our engineers: that’s why we provide each of our engineers with licenses for Cursor or Copilot, enabling them to focus on what they do best – coding innovative solutions
🤝 Your future team
As a Backend Engineer at Qonto, you'll join a team 350-strong Product Engineering department, organized into cross-functional teams (CFTs) across five domains:• Customer Lifecycle, focusing on account management and compliance,• Business Account, enhancing payments and financial tools,• S