Senior Python Engineer — Real-Time Sports Data Platform

Fliff; España; On-site; EUR 80,000 - 110,000; Full time

Job summary

Fliff, a fast-moving sports data company, is seeking a Senior Python Engineer to build and evolve the core systems behind our real-time data platform. You’ll work close to sports data domains—events, leagues, markets, odds—and ensure data is accurate, timely, observable, and resilient when feeds vary.

Join a squad where your engineering decisions impact product speed and reliability, collaborating with backend, product, QA, and platform teams to deliver dependable data flows and high-scale

Qualifications

• 5+ years of 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 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.

Responsibilities

• Design, build, and maintain Python services for sports data ingestion, transformation, and distribution
• Integrate with third-party sports data providers and handle differences between provider 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

Skills

Python

Django

Kafka

SQL

APIs

Distributed systems

Asyncio

On-call

Tools

PostgreSQL

Job description

Fliff, a fast-moving sports data company, is seeking a Senior Python Engineer to build and evolve the core systems behind our real-time data platform. You’ll work close to sports data domains—events, leagues, markets, odds—and ensure data is accurate, timely, observable, and resilient when feeds vary.

Join a squad where your engineering decisions impact product speed and reliability, collaborating with backend, product, QA, and platform teams to deliver dependable data flows and high-scale