Senior Software Engineer - Circularity Order Lifecycle

<h2>Hi, we’re Back Market.</h2><p style="min-height:1.5em">We’re here to help <strong>make tech reliable, affordable, and better than new</strong>. We're a global marketplace for refurbished devices, helping lower our collective environmental impact by providing trustworthy, affordable tech with 92% less carbon emissions than new.</p><p style="min-height:1.5em">Yep, you read that right. Turns out refurbished tech is way better for the planet than new. In fact, With every device purchased on Back Market, our positive impact on the planet grows. From our Customer Care representatives to our software engineer, every individual at Back Market cuts the planet — and consumers — a break. <strong>Our mission is simple: to do more with what we already have.</strong></p><p style="min-height:1.5em">Are you ready to join us?</p><p style="min-height:1.5em"><strong>About the team</strong></p><p style="min-height:1.5em">We are looking for a <strong>Senior Software Engineer</strong> to join our <strong>Circularity Order Lifecycle</strong> squad.<br /><br />We're the team behind Back Market's Trade-in program, the system that lets customers exchange their old devices for cash toward their next refurbished purchase. It's a win-win-win: customers get more purchasing power, refurbishers get quality supply, and the planet gets a break from unnecessary e-waste.<br /><br />To achieve this, our team is made up of seven engineers, an engineering manager and a product manager collaborating closely with designers, data analysts, operations and business partners.<br /><br />Join us and help build the features that make it easier for customers and refurbishers to complete successful trade-in journeys.</p><p style="min-height:1.5em"><br />As a <strong>Software Engineer</strong>, you will work closely with all members of your squad, and the Staff engineer of your group. Bi-monthly rituals with your group and the Chapter will allow you to share what works for your squad, learn what works for others, and make sure your technical direction is aligned with the overall vision.<br /><br /><strong>What you will do in this role</strong></p><p style="min-height:1.5em">We’re looking for <strong>versatile</strong> engineers who show strong ownership and are motivated to take on new challenges across the technical stack while helping us move our technology forward.</p><p style="min-height:1.5em">You will be working in an agile <strong>"build it and run it"</strong> environment where engineering teams build, launch, monitor and support the product that they own. <br /><br />Driven by the desire to craft outstanding products, you understand how to deliver seamless user experiences at scale.</p><p style="min-height:1.5em">We are looking for <strong>passion</strong> in creating systems by producing clean, consistent and well-organized code.</p><p style="min-height:1.5em">As well as a good team player supporting colleagues and creating a learning and sharing environment!</p><p style="min-height:1.5em"><strong>English</strong> <strong>must be a no-brainer</strong> as you will join an international team dispatched in different locations around the world (US/FR/ES/JP). <br /><br /><br /><strong>Our technical environment<br /><br />Backend stack: </strong>Python - FastAPI , SQLAlchemy, Celery, Golang, Django (being phased out)</p><p style="min-height:1.5em"><strong>Frontend stack: </strong>VueJS, Typescript, Nuxt, Revolve ( our design system