Senior Java + Python Engineer (Apache Flink)
Senior Java + Python Engineer (Apache Flink)
Posted on :
25-08-2025
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1 Vacancy
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Job Description
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 an experienced Software Engineer to design develop and optimize scalable batch and real-time streaming data pipelines using Apache Flink. While our streaming applications are primarily Java-based on Flink our overall codebase is mostly Python so familiarity with both languages is important. 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
- Design develop maintain and optimize batch and real-time streaming data pipelines using Apache Flink (Java DataStream API windows state management joins triggers)
- Collaborate on production deployment monitor troubleshoot and tune streaming applications to ensure performance and stability
- Develop scalable microservices for data processing using modern architectural patterns (CQRS SAGA) (nice to have)
- Build and maintain CI/CD pipelines with automation and testing best practices
- Deploy and manage cloud infrastructure using AWS GCP or other cloud providers
- Participate in on-call rotations for production support and incident management
- Collaborate closely with cross-functional teams (engineering product) to translate requirements into technical solutions
- Mentor junior engineers and drive automation and design thinking initiatives (nice to have)
What Were Looking For:
- Minimum 5 years of professional software engineering experience with strong expertise in Java
- Proficient in Python at least able to read and write Python code comfortably
- Proven experience with stream processing frameworks especially Apache Flink; production experience is a strong plus
- Solid experience with streaming technologies such as Apache Kafka
- Strong understanding of both batch and real-time data processing pipelines
- Proficiency in SQL with a focus on PostgreSQL
- Experience with CI/CD pipelines and automated testing frameworks
- Practical knowledge of containerization and orchestration tools: Docker and Kubernetes
- Experience deploying and managing infrastructure on any major cloud platform (AWS GCP or similar)
- Comfortable with on-call rotations and production troubleshooting for streaming systems
- Experience with monitoring and alerting tools like Prometheus and Grafana
- Hands-on experience with both stateful and stateless stream processing
- Familiarity with event-driven architecture is highly desirable
Nice to Have
- Experience designing and building microservices architectures using patterns such as CQRS and SAGA
- Familiarity with Apache NiFi for data ingestion and orchestration
- Exposure to infrastructure as code tools like Terraform
- Experience mentoring or leading junior engineers
- Experience designing APIs
- Integration experience with data warehouses or analytics platforms
- Knowledge of Kafka Streams if Flink experience is limited
- Cloud-native application development experience
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.
Required Experience:
Senior IC
Employment Type
Full-Time
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