Senior Python Engineer (Contract)

Fliff

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profile Job Location:

Kraków - Poland

profile Monthly Salary: Not Disclosed
Posted on: 7 hours ago
Vacancies: 1 Vacancy

Job Summary

Fliff unpacks sports gaming into social free-to-play games for all types of sports fans. Weve 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.

We are looking for a Senior Python Engineer to own design build and maintain high-performance distributed backend systems serving millions of users. You will be accountable for end-to-end delivery of scalable reliable and low-latency solutions using Python Django and Kafka. This role will work closely with our team in Sofia Bulgaria and requires comfort collaborating and operating in EEST (Eastern European Time).

What Youll Do

    • Take full ownership of backend services from design through deployment maintenance and continuous improvement
    • Design develop and maintain scalable high-performance distributed backend services using Python and Django
    • Architect distributed systems to support millions of users with low latency and high availability
    • Collaborate with product frontend and DevOps teams to ship reliable features on aggressive timelines
    • Lead and mentor junior engineers through code reviews architectural discussions and knowledge sharing
    • Own critical backend infrastructure components: APIs data pipelines message brokers (Kafka) caching
    • Optimize systems for throughput latency fault tolerance and resilience under heavy load
    • Implement robust testing strategies: unit integration and performance tests
    • Drive continuous improvement of development processes and system observability (monitoring logging)
    • Participate in on-call rotations and support production issues as needed

What Were Looking For:

    • 5 years of professional Python backend development experience with a proven track record of ownership and successful delivery
    • Solid Django experience (not necessarily expert level) with asynchronous programming skills (asyncio)
    • Production experience with Apache Kafka
    • Strong experience with distributed systems (microservices or similar architecture)
    • Experience deploying and managing containerized applications (Docker); Kubernetes experience is a plus
    • Familiarity with any cloud provider (AWS preferred)
    • Proficient with SQL databases especially PostgreSQL; NoSQL is a plus
    • Experience with CI/CD pipelines and test automation
    • Knowledge of monitoring and logging tools (Prometheus Grafana or equivalent)
    • Strong problem-solving skills and comfort doing code reviews
    • Prior experience working with systems supporting 1M users is a strong plus
    • Comfortable working in Agile teams
    • Strong sense of responsibility and commitment to shipping high-quality software
    • Willingness to participate in on-call rotations

Nice to Have

    • Exposure to event sourcing or CQRS patterns
    • Familiarity with frontend technologies (React)
    • Knowledge of big data tools (Flink NiFi)
    • Exposure to infrastructure as code tools like Terraform
    • Practical knowledge of containerization and orchestration tools like Docker and Kubernetes
    • Experience in sports/betting industries

Benefits:

    • Fully remote work environment.
    • Professional development opportunities in a dynamic global setting.
    • A supportive collaborative and knowledge-driven workplace.
    • An engaging and challenging role with the freedom to innovate and develop effective solutions.
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 well make Fliff better for employees and customers alike.

Lively and Creative
We respect and value each others 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. Well make sure your daily tasks align with your career ambitions as we grow together.

Equal Employment Opportunity Statement
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.

Join Our Team!
If youre ready to be part of an exciting innovative and dynamic team apply now to help shape the future of sports gaming with Fliff.

IMPORTANT NOTICE: The privacy and security of applicant information is paramount and we take fraud attempts very seriously. Please note that Fliff will never ask for payment or personal financial information during the application of our legitimate job opportunities can be found on our official career site ( Please be cautious of communications and links that come from non-company email addresses (@) social media messaging platforms or unsolicited phone calls.

Required Experience:

Senior IC

Fliff unpacks sports gaming into social free-to-play games for all types of sports fans. Weve 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 ou...
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Key Skills

  • IVR
  • SOAP
  • Avaya
  • Solaris
  • Cost Accounting Standards
  • Database Design
  • Hibernate
  • ITIL
  • Weblogic
  • Express.js
  • Contracts
  • ASP

About Company

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Fliff is a new sports prediction experience that is social and rewarding. Play for free and earn rewards to experience the sweat without the financial risk!

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