Senior Python Engineer, Integration
Fliff · 🌍 Berlin
Sponsorship verdict
No sponsorship evidence yet
No government record and no wording either way. Not a refusal — ask the recruiter.
- No government sponsor record hereThis employer posted directly and does not match a government sponsor register.
- The posting doesn’t mention sponsorshipSilence isn’t a refusal — ask the recruiter before investing much time.
- Can’t check pay against the visa rulesNo salary stated. Germany EU Blue Card needs at least €50,700 a year (shortage-occupation / recent-graduate: €45,934). Source: https://www.make-it-in-germany.com/en/visa-residence/types/eu-blue-card, rules effective 2026-01-01.
- Confirmed live todayWhen a source last listed this job as open.
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Why not apply?
No register record and no sponsorship wording in the posting. Worth asking the employer before investing significant time.
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Sponsor Radar — Fliff
This employer posted directly and does not match a government sponsor register.
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About the role
Fliff is the arena for high-upside play. We are dismantling the paywalls of legacy sportsbooks and reimagining the economics of social games to pioneer the next generation of rewards-driven entertainment spanning sports, casino, predictions, collectibles, and beyond. Powered by a frictionless freemium architecture, Fliff democratizes access and gives millions of players nationwide a real stake, real thrill, and real upside. By combining authentic competitive drive with instant rewards and interactive games, we are turning passive sports fans and casual gamers into active, empowered participants – unlocking the player in everyone. About The Role We’re looking for a Senior Python Engineer to join our Integration team, which owns a broad set of critical integrations across the product. The team is responsible for integrations with KYC providers, geolocation services, payment methods, and other external systems that are essential to product operation and user experience. What You’ll Do • Take full ownership of backend features and improvements, from design through implementation, deployment, and production support • Design, develop, and maintain scalable, high-performance backend services using Python and Django • Build and maintain integrations with external systems, including KYC, geolocation, and payment partners, and other third-party services • Work closely with product and engineering teams to scope and deliver new integrations • Implement observability across integration flows, including monitoring, logging, and alerting • Write unit and integration tests to ensure system reliability, prevent regressions, and improve overall test coverage and testing practices • Support production issues and participate in on-call rotations What We're Looking For • At least 5+ years of development experience, with Python as the primary language and strong experience in API and system integrations • Proven experience integrating third-party APIs, with deep understanding of webhooks, callbacks, idempotency, and failure handling. Payments and KYC integrations are strong plus • Experience with observability tools to monitor and troubleshoot production integrations • Strong fundamentals in algorithms, data structures and concurrency • Experience in architecture design of highly loaded and scalable solutions • Strong understanding of the full software development lifecycle, from requirements analysis to deployment and production monitoring • Willingness to participate in on-call rotations Nice To Have • Experience in early-stage startups and fast-paced engineering environments • Experience in writing automated tests, measuring test coverage, and defining test automation strategies • Experience with observability tools such as Datadog, CloudWatch, Grafana • Experience in sports/betting industries We 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: Welcoming and Friendly We 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. Lively and Creative We 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. Stimulating and Rewarding We know bright minds love a challenge, and we understand your desire to see your hard work pay off. We’ll make s