Senior Backend Engineer - (Django)

<h2><strong>About us</strong></h2><p style="min-height:1.5em">Founded in 2019 and part of Y Combinator's 2020 cohort, <a target="_blank" rel="noopener noreferrer" class="c-link c-link--focus-visible c-link--underline" href="https://www.photoroom.com"><u>Photoroom</u></a> is the leading visual solution for e-commerce.<br /><br />We've raised Series B funding and reached 300+ million users worldwide, processing over 5 billion images annually and serving both small businesses and major enterprises like Amazon, DoorDash, and Decathlon through our mobile app, web platform, and API.<br /><br />We're a team of 100+ passionate builders giving e-commerce businesses superpowers to create visuals that help them grow, making the hardest parts of selling online disappear. We focus on craft, innovation, and collaboration to create exceptional impact for e-commerce businesses worldwide.<br /><br /></p><h2>Role Summary</h2><p style="min-height:1.5em">We're looking for a Senior backend engineer to <strong>own the pricing system for all apps at Photoroom</strong>. You'll <strong>help deliver Product Growth initiatives and pricing architecture</strong> while collaborating closely with other engineers (both frontend and backend) and product owners.</p><p style="min-height:1.5em"><strong>Compensation:</strong> 95k to 105k + Stock-Options/BSPCE</p><p style="min-height:1.5em"><strong>Location:</strong> Paris (hybrid)<br /></p><h2>About the Role</h2><ul style="min-height:1.5em"><li><p style="min-height:1.5em">You will own your work from A to Z: it goes from working on the architecture &amp; coding features to monitoring releases' performance (we use Datadog for monitoring).</p></li><li><p style="min-height:1.5em">You will own the delivery and the architecture of the pricing system used by all our products (iOS, Android, Web, API) and millions of users.</p></li><li><p style="min-height:1.5em">You will get fast feedback from our users and will iterate quickly (we update the backend multiple times a week). You will follow the usage of the product and make decisions based on that.</p></li><li><p style="min-height:1.5em">Collaborate with cross-functional teams (e.g., product, front-end) to actively help design and deliver seamless user experiences.</p></li><li><p style="min-height:1.5em">You will optimise existing endpoints, driving down latency and ensuring we can continue to scale to ever greater usages</p><p style="min-height:1.5em"></p></li></ul><h2>About You</h2><ul style="min-height:1.5em"><li><p style="min-height:1.5em">You have <strong>5+ years</strong> of experience in backend development with Django and Django Rest Framework</p></li><li><p style="min-height:1.5em">You have experience working with a relational database at scale, designing schemas, optimising Django queries, and running migrations with minimal downtime</p></li><li><p style="min-height:1.5em">You have experience with scaling SaaS and subscription management (Stripe, RevenueCat)</p></li><li><p style="min-height:1.5em">You have a hands-on experience with a PostgreSQL/MySQL database larger than 100 GB</p></li><li><p style="min-height:1.5em">You have experience designing endpoints in direct collaboration with frontend engineers, delivering both Open API and developer manuals/supporting documen