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About the Role

We are seeking a Senior Python Engineer to develop and enhance the core systems of Fliff’s sports data platform, focusing on domain-specific challenges related to sports events, leagues, teams, players, markets, odds, scores, and schedules. You will ensure data accuracy, timeliness, observability, and resilience, working within a squad where engineering decisions directly impact the product and support real-time experiences.

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

Requirements

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
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: ability to 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

Skills

Python
Django
asyncio
Apache Kafka
APIs
distributed systems
async processing
data pipelines
SQL
PostgreSQL
monitoring
logging
alerting
debugging
problem-solving
code reviews
Go / Golang
event-driven architecture
message queues
Redis
Docker
Kubernetes
infrastructure-as-code
AI-assisted engineering tools

Location

Philadelphia
New York
Austin
Sofia, Bulgaria

Work Type

Onsite
Remote
Hybrid

Experience Level

Senior

About the Company

Fliff 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.
We 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.
Fliff is building sports gaming and entertainment products for a fast-moving, highly engaged audience.
Behind every market, event, contest, player prop, and in-app experience is a data platform that needs to be accurate, reliable, and fast.
The DataFeed Team owns the systems that bring external sports data into Fliff: ingesting feeds, normalizing provider-specific formats, validating data quality, and making that data available to the rest of the platform.
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.
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.
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.
We 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.

Equal Opportunity

Fliff 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.