Senior Backend Engineer - remote friendly

<b><span>Our mission</span></b><span>? 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.</span><br/><b><span>Our journey:</span></b><span> Founded by </span><a href="https://www.linkedin.com/in/aprot/"><span>Alexandre</span></a><span> and </span><a href="https://www.linkedin.com/in/steveanavi/"><span>Steve</span></a><span> in July 2017, Qonto has rapidly gained trust, serving over 500,000 customers. Thanks to our wonderful team of 1,600+ Qontoers, we also made it to the </span><a href="https://www.linkedin.com/pulse/top-companies-2023-les-25-entreprises-o%C3%B9-acc%C3%A9l%C3%A9rer-1c"><span>LinkedIn Top Companies</span></a><span> French ranking!</span><br/><b><span>Our values:</span></b><b><span>Customer focus |</span></b><span> Prioritize customers in everything you do</span><b><span>Ownership |</span></b><span> Own your part, get things done</span><b><span>Teamwork |</span></b><span> Make (team)work easy</span><b><span>Mastery |</span></b><span> Continuously raise the bar</span><b><span>Integrity |</span></b><span> Always do what’s right, and respect people</span><br/><b><span>Our beliefs:</span></b><span> 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 50% international team members, 44% women, and 20% parents. Join us in building a workplace that celebrates diversity and individuality.</span><br/><a href="https://medium.com/qonto-way/a-recruiters-dilemma-confronting-bias-in-hiring-b78acce148eb"><span>Discover the steps we took to create a discrimination-free hiring process</span></a><span>.</span><br/><b>⭐ Mission</b>: Join us as a <b>Backend Engineer</b> to craft polished user experiences, highly scalable APIs and robust banking services, all to help create the finance solution all businesses love.<br/>⚡ <b>Impact:</b> As a <b>Backend Engineer</b>, you will be part of a team of <b>150</b> highly skilled back-end engineers from all over the world. You will work closely in <b>cross-functional teams</b> 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.<br/><span>👩‍💻🧑‍💻 </span><b>As a Backend Engineer at Qonto, you will</b><br/>• <b>Design, develop, deploy and maintain</b> new and existing applications to reach the team’s goals and to meet the stakeholders’ needs• <b>Produce </b>and ship <b>high-quality, well-documented code</b>• <b>Co-own</b> our services architecture, resilience, scalability, and robustness, with respect to <b>Domain-Driven Design principles</b>• Grow on <b>technical leadership</b> &amp; <b>mentorship</b> of other engineers<br/>💡 Our primary languages are <b>Go</b> and <b>Ruby</b> for backend, <b>EmberJS</b> and <b>React</b> for frontend, and <b>Kotlin</b> and <b>Swift</b> for our mobile apps. Our platform runs on a <b>Kubernetes</b> cluster hosted on <b>AWS</b>, with <b>PostgreSQL</b> as our database of choice. We're also using <b>Kafka</b> for our event-driven architecture<span>,</span><b> OpenTelemetry</b><span> for observability and tracing,</span> and <b>ELK</b> for logging and auditing, among many other tools, services, and applications.<br/>Many Qontoers have learned Go and/or Ruby since they joined. As long as you've been using either Python, Java, Javascript, or Typescript intensively in your experience, we trust you’ll grow quickly on our stack!<br/><b>🤔 What you can expect: our methodology, the</b><span> </span><a href="https://medium.com/qonto-way/tagged/the-qonto-way" rel="noopener noreferrer"><b>Qonto Way</b></a><br/>• 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 <b>focus on quality</b>, which we believe <b>drives the velocity</b> our customers need.• We think success comes from a space where you're given time, support, and autonomy t<b>o improve yourself, our systems, and our processes</b>. Our <b>lean toolbox</b> enables you to monitor your constant improvements (<a href="https://medium.com/qonto-way/qonto-way-strong-engineering-culture-prt1-kaizen-spirit-7e6e0a17c07e" rel="noopener noreferrer">Kaizen</a>, PDCA) in a <b>collaborative way</b> with your peers and manager.• Our engineers, working in cross-functional teams, dedicate themselves to <b>one feature at a time</b>.<br/><b>🤝 Your future team</b><br/>As a Backend Engineer at Qonto, you'll join a team <b>350-strong Product Engineering</b> department, organized into cross-functional teams (CFTs) across four domains: <br/>• <b>Cust