Senior Python Engineer, DataFeed Team
On-siteBelgrade, Central Serbia, Serbia
Job Summary
Design and maintain Python services for sports data ingestion, transformation, and distribution across Fliff's platform. Integrate with third-party providers to handle varying formats and update patterns, while building reliable pipelines for near real-time and batch processing. Improve data validation, reconciliation, monitoring, and alerting to ensure accuracy and resilience when external feeds behave unpredictably. Investigate production issues and trace data problems to enhance system observability. Collaborate with backend, product, trading, and QA teams to deliver dependable data flows, contributing to architecture decisions and mentoring within the squad.
Required Qualifications
- 5+ years of strong production experience with Python
- Experience designing and operating backend services in production
- Solid Django experience (not necessarily expert level), with asynchronous programming skills (asyncio)
- Production experience with Apache Kafka
- Solid understanding of APIs, distributed systems, async processing, and data pipelines
- Strong SQL skills and experience with 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
- A senior ownership mindset: you can break down ambiguous problems, make pragmatic technical decisions, and communicate clearly
- Strong problem-solving skills and comfort doing code reviews
- Willingness to participate in on-call rotations
Desired Qualifications
- Experience in sports betting, gaming, fantasy sports, sports data, fintech, trading, or other real-time data domains
- Experience with Django, Kafka, Redis, PostgreSQL, or similar technologies
- Experience with Go / Golang, especially for high-throughput backend services, data processing, or performance-sensitive systems
- Experience with event-driven architecture or message queues
- Experience building data validation, reconciliation, or replay systems
- Cloud, Docker, Kubernetes, or infrastructure-as-code experience
- Interest in using AI-assisted engineering tools thoughtfully to improve development speed and quality
Hiring someone like this?
Get your role in front of qualified candidates on Sorce.