Senior Python Engineer, DataFeed Team

Fliff is a multinational company with headquarters in Philadelphia and offices in New York, Austin, and Sofia, Bulgaria. They develop social, free-to-play sports gaming experiences and pioneer play-for-fun sports gaming with a flagship social sportsbook platform including sweepstakes and loyalty rewards.

• 5+ years of strong production experience with Python
• Experience designing and operating backend services in production
• Solid Django experience with asynchronous programming skills (asyncio)
• Production experience with Apache Kafka
• Strong understanding of APIs, distributed systems, async processing, and data pipelines
• Strong SQL skills with experience in relational databases, especially PostgreSQL
• Experience integrating with external APIs, feeds, or third-party data providers
• Ability to reason carefully about data correctness, edge cases, and failure modes
• Experience with monitoring, logging, alerting, and debugging production systems
• Senior ownership mindset with pragmatic technical decision-making and clear communication
• Strong problem-solving skills and experience with code reviews
• Willingness to participate in on-call rotations

Nice to have:

• Experience in sports betting, gaming, fantasy sports, sports data, fintech, trading, or real-time data domains
• Experience with Redis, Kafka, PostgreSQL, or similar technologies
• Experience with Go / Golang, especially for high-throughput backend services or performance-sensitive systems
• Experience with event-driven architecture or message queues
• Experience building data validation, reconciliation, or replay systems
• Experience with Cloud platforms, Docker, Kubernetes, or infrastructure-as-code
• Interest in using AI-assisted engineering tools thoughtfully

• Design, build, and maintain Python services for sports data ingestion, transformation, and distribution
• Integrate with third-party sports data providers, handling differences in models, formats, and update patterns
• Build reliable pipelines for near real-time and batch data processing
• Improve data validation, reconciliation, monitoring, alerting, and replay tooling
• Work on domain models for events, competitions, participants, markets, odds, scores, and related sports entities
• Investigate production issues, trace data problems, and improve system observability
• Collaborate with backend, product, trading, QA, and platform teams to deliver dependable data flows
• Contribute to architecture decisions, code reviews, technical standards, and mentoring within the squad

Fliff is an equal-opportunity employer celebrating diversity and committed to creating an inclusive environment for all employees. All qualified applicants will receive consideration without regard to race, color, religion, gender, gender identity or expression, sexual orientation, national origin, genetics, disability, age, or veteran status.

IMPORTANT NOTICE: Fliff never asks for payment or personal financial information during the application process and warns against fraudulent communications from non-company email addresses or unsolicited contacts.