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. /ppWe 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. /ppWe 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. /ppThis role requiresfull working-hour alignment with Central European Time (CET ±2 hours)to enable daily, real-time collaboration with our Sofia-based team.We are only considering candidates located within this time zone range. Applicants outside CET ±2 hours will not be considered. /p /brbWhat You’ll Do /bulliTake full ownership of backend services from design through deployment, maintenance, and continuous improvement /liliDesign, develop, and maintain scalable, high-performance distributed backend services using Python and Django /liliArchitect distributed systems to support millions of users with low latency and high availability /liliCollaborate with product, frontend, and DevOps teams to ship reliable features on aggressive timelines /liliLead and mentor junior engineers through code reviews, architectural discussions, and knowledge sharing /liliOwn critical backend infrastructure components: APIs, data pipelines, message brokers (Kafka), caching /liliOptimize systems for throughput, latency, fault tolerance, and resilience under heavy load /liliImplement robust testing strategies: unit, integration, and performance tests /liliDrive continuous improvement of development processes and system observability (monitoring, logging) /liliParticipate in on-call rotations and support production issues as needed /li /ulbWhat We're Looking For:



/bulli5+ years of professional Python backend development experience with a proven track record of ownership and successful delivery /liliSolid Django experience (not necessarily expert level), with asynchronous programming skills (asyncio) /liliProduction experience with Apache Kafka /liliStrong experience with distributed systems (microservices or similar architecture) /liliExperience deploying and managing containerized applications (Docker); Kubernetes experience is a plus /liliFamiliarity with any cloud provider (AWS preferred) /liliProficient with SQL databases, especially PostgreSQL; NoSQL is a plus /liliExperience with CI/CD pipelines and test automation /liliKnowledge of monitoring and logging tools (Prometheus, Grafana, or equivalent) /liliStrong problem-solving skills and comfort doing code reviews /liliPrior experience working with systems supporting 1M+ users is a strong plus /liliComfortable working in Agile teams /liliStrong sense of responsibility and commitment to shipping high-quality software /liliWillingness to participate in on-call rotations /li /ulbNice to Have /bulliExposure to event sourcing or CQRS patterns /liliFamiliarity with frontend technologies (React) /liliKnowledge of big data tools (Flink, NiFi) /liliExposure to infrastructure as code tools like Terraform /liliPractical knowledge of containerization and orchestration tools like Docker and Kubernetes /liliExperience in sports/betting industries /li /ulbBenefits: /bulliFully remote work environment. /liliProfessional development opportunities in a dynamic, general setting. /liliA supportive, collaborative, and knowledge-driven workplace. /liliAn engaging and challenging role with the freedom to innovate and develop effective solutions.



/li /ul /brpWe are a multinational company with our headquarters based in Philadelphia, and offices in New York, Austin, and Sofia, Bulgaria. Wherever we are in the world, we pride ourselves on being a close-knit, focused team that is welcoming and friendly, and the work that we do is always interesting and rewarding. Wherever we are in the world, we pride ourselves on being a close-knit, focused team that is: /ppbWelcoming and Friendly /b /ppWe want to reflect the diversity of the cities we serve. By creating an inclusive culture where everyone can thrive, we’ll make Fliff better for employees and customers alike. /ppbLively and Creative /b /ppWe respect and value each other’s ideas, experience and expertise. There is no such thing as a bad idea; only ideas that are executed and ideas that are discarded after consideration. /ppbStimulating and Rewarding /b /ppWe know bright minds love a challenge, and we understand your desire to see your hard work pay off. We’ll make sure your daily tasks align with your career ambitions as we grow together. /ppbEqual Employment Opportunity Statement /b /ppFliff is an equal-opportunity employer. We celebrate diversity and are committed to creating an inclusive environment for all employees. All qualified applicants will receive consideration for employment without regard to race, color, religion, gender, gender identity or expression, sexual orientation, national origin, genetics, disability, age, or veteran status. /ppbJoin Our Team! /b /ppIf you're ready to be part of an exciting, innovative, and dynamic team, apply now to help shape the future of sports gaming with Fliff. /ppbIMPORTANT NOTICE: /b The privacy and security of applicant information is paramount and we take fraud attempts very seriously. Please note that Fliff will never ask for payment or personal financial information during the application process.All of our legitimate job opportunities can be found on our official career site ( ). Please be cautious of communications and links that come from non-company email addresses (@getfliff.com), social media messaging platforms or unsolicited phone calls. /p /p #J-18808-Ljbffr

📌 Senior Python Django Engineer - Remote Scalable Backends (Barcelona)
🏢 Fliff
📍 Barcelona