ppFliff 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. /p pWe 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. /p pWe 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. This role will work closely with our team in Sofia, Bulgaria, and requires comfort collaborating and operating in EEST (Eastern European Time). /p h3What You’ll Do /h3 ul liTake full ownership of backend services from design through deployment, maintenance, and continuous improvement /li liDesign,



develop, and maintain scalable, high‑performance distributed backend services using Python and Django /li liArchitect distributed systems to support millions of users with low latency and high availability /li liCollaborate with product, frontend, and DevOps teams to ship reliable features on aggressive timelines /li liLead and mentor junior engineers through code reviews, architectural discussions, and knowledge sharing /li liOwn critical backend infrastructure components: APIs, data pipelines, message brokers (Kafka), caching /li liOptimize systems for throughput, latency, fault tolerance, and resilience under heavy load /li liImplement robust testing strategies: unit, integration, and performance tests /li liDrive continuous improvement of development processes and system observability (monitoring, logging) /li liParticipate in on‑call rotations and support production issues as needed /li /ul h3

📌 Senior Python Engineer (Barcelona)
🏢 Fliff
📍 Barcelona