Senior Python Engineer - B2C App (All Genders)

Company DescriptionDailymotion is more than a video app, it's a visual conversation in motion, based on a unique algorithm designed to broaden users' horizons. Dailymotion brings nuance to the debates that animate young people and puts listening, discovery, and kindness back at the heart of interactions to help build a better and safer Internet.Dailymotion is also "Dailymotion Pro", a video hosting and broadcasting solution for professionals in all sectors; and "Dailymotion Advertising", a powerful, proprietary video advertising platform, offering a high-quality, secure environment for brands.Our team is made up of 400 people in France, New York, and Singapore, all united by the same ambition: to visibly shake up the global video platform ecosystem.Job DescriptionThe MissionJoin a dedicated product team operating in full startup mode, building the next breakthrough social platform. We're creating something that's never existed before – and we need you to make it happen.As a Backend Engineer in our mobile team (3 iOS devs, 3 Android devs, 2 backend devs), you'll be at the heart of product innovation. Here, code is a means, not an end: what matters is the impact on our millions of users.We're not looking for architects obsessed with technical debt or building the perfect stack. We're looking for builders who want to iterate, test, and ship features that users love. Your code will directly power experiments that reach real audiences, giving you immediate feedback on what works and what doesn't. What You'll DoIterate at high velocity: experiment, test with our audience, then consolidate what works speed and learning over perfectionShip features that create real user value, taking calculated risks and smart shortcuts to maximize business impactBuild and scale backend services and APIs (REST/GraphQL) that power a world-class mobile experienceCollaborate closely with iOS/Android, Product, and QA teams with a shared product ownership mindsetEvolve the architecture (async, event-driven, messaging) pragmatically to support growth without over-engineeringDrive performance, reliability, and observability with full ownership and proactivityShape the product culture and push the entire team toward excellenceYou'll have the autonomy to make decisions, the freedom to experiment, and the responsibility to deliver results. This is not a role where you execute someone else's plan you'll be co-creating the product strategy.Tech StackCore: Python (asyncio), FastAPI, REST/GraphQL, MySQL, RabbitMQ, Docker/K8s Legacy/Bonus: PHP, Elasticsearch, MongoDB QualificationsThe Must-HavesStrong backend programming skills with deep knowledge of Python (asyncio) and SQL databasesProven experience designing scalable APIs and event-driven architectures (queues/messaging)Data-driven approach to decision-making with a strong interest in analyticsResults-oriented mindset: you constantly find relevant shortcuts and pragmatic solutionsFluent in English + French mandatory5-10 years of experience minimumThe Nice-to-HavesExperience in B2C startups where you've seen products grow from 0 to 1Interest in AI and ML applications in consumer productsSide projects that show your passion for building and experimentingExperience working in fast-paced, cross-functional teamsFamiliarity with mobile-first architectures and constraintsWhat Will Really Make the DifferenceThis isn't about maintaining systems you'll be building a social experience with creative freedom to shape it. The ideal candidate has an experimentation mindset, product passion, and genuine ownership. You get excited about A/B test results and user metrics because you want to see your work in millions of hands. If you see code as a craft but features as the art this role is for you.Additional InformationWork arrangementThis position is Paris-based in the 3rd arrondissement (No full remote)No on-call duties required  Don't check every box? Apply anyway.We're looking for the right person to join the team, not just a perfect resume. If this role excites you but your experience doesn't align perfectly with every requirement, we still want to hear from you.Dailymotion is an equal opportunity employer. We value inclusion and want you to help us build a more diverse community. All positions are open to people with disabilities, and we encourage everyone to apply. Need accommodations during the hiring process? Just let us know in advance.Interview processHR Interview with Marvin (30 min): Get to know each other, discuss your motivations, and align on role expectationsManager Interview with Stephen, your future manager (45 min): Deep dive into the role requirements, assess your technical background and problem-solving approach, and challenge your skills through concrete scenariosTechnical Case Study (1 hour) : Work on a take-home case study followed by a presentation to two member of our tech team, this gives you a chance to showcase your technical thinking and understand what you'd be working on, while helping us evaluate the fit with our needsLeadership Interview with N+2 (1 hour) : Discuss long-term career goals, understand how this role fits into Dailymotion's broader strategy, and explore growth opportunities within the organizationWelcome at Dailymotion 🎉 Full-time