Fliff unpacks sports gaming into social, free-to-play games for all types of sports fans. We've built a social sports gaming experience that allows users to compete for leaderboard positioning, to achieve badges and build their status within the game.
We are pioneering play-for-fun sports gaming, with our flagship social sportsbook experience that includes sweepstakes promotions and loyalty rewards. We provide sports fans with fun, engaging, and free-to-play alternatives to real money gaming.
We are looking for a Senior Python Engineer to own, design, build, and maintain high-performance distributed backend systems serving millions of users. You will be accountable for end-to-end delivery of scalable, reliable, and low-latency solutions using Python, Django, and Kafka.
Take full ownership of backend services from design through deployment, maintenance, and continuous improvement
Design, develop, and maintain scalable, high-performance distributed backend services using Python and Django
Collaborate with product, frontend,



and DevOps teams to ship reliable features on aggressive timelines
Lead and mentor junior engineers through code reviews, architectural discussions, and knowledge sharing
Own critical backend infrastructure components: APIs, data pipelines, message brokers (Kafka), caching
Implement robust testing strategies: unit, integration, and performance tests
Drive continuous improvement of development processes and system observability (monitoring, logging)
5+ years of professional Python backend development experience with a proven track record of ownership and successful delivery
~ Solid Django experience (not necessarily expert level), with asynchronous programming skills (asyncio)
~ Production experience with Apache Kafka
~ Experience deploying and managing containerized applications (Docker); Kubernetes experience is a plus
~ Familiarity with any cloud provider (AWS preferred)
~ Proficient with SQL databases, especially PostgreSQL; Experience with CI/C

📌 Senior Python Backend Engineer (España)
🏢 Fliff
📍 España