
Senior Software Engineer
- Sofia, Bulgaria
- Full time
- Competitive
- 8th July 2025
Full Description
About DraftKings
We’re defining what it means to build and deliver the most extraordinary sports and entertainment experiences. Our global team is trailblazing new markets, developing cutting-edge products, and shaping the future of responsible gaming.
Here, “impossible” isn’t part of our vocabulary. You’ll face some of the toughest but most rewarding challenges of your career. They’re worth it. Channeling your inner grit will accelerate your growth, help us win as a team, and create unforgettable moments for our customers.
The Crown Is Yours
As a Senior Software Engineer, you’ll help build and scale the real-time event tracking infrastructure that powers communications, analytics, and data science models across DraftKings. These systems process millions of events per second, ensuring timely, accurate data delivery to consumers across the company. You’ll join a team focused on high performance, scalability, and operational excellence in a modern, cloud-native environment.
What you'll do as a Senior Software Engineer
Design and maintain high-throughput, distributed backend services in C# using microservices architecture.
Develop and operate messaging and streaming systems that handle large-scale real-time data.
Ensure low-latency, fault-tolerant event pipelines that can scale under load.
Collaborate closely with engineers, architects, and data stakeholders to evolve the platform’s event processing capabilities.
Support production services with a focus on reliability, observability, and continuous improvement.
What you’ll bring
4+ years of professional experience in backend development with C#.
Strong knowledge of distributed systems and microservices design.
Practical experience with modern messaging and event streaming technologies (e.g., Kafka, RabbitMQ, AWS Kinesis).
Solid understanding of cloud environments (preferably AWS), containerization (Docker), and orchestration tools (Kubernetes).
Proficiency with SQL and experience analyzing structured event data to support debugging, validation, and downstream data use.
A focus on writing maintainable, high-performance code and building resilient infrastructure.
Effective communication skills and a and a collaborative mindset.
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Join Our Team
We’re a publicly traded (NASDAQ: DKNG) technology company headquartered in Boston. As a regulated gaming company, you may be required to obtain a gaming license issued by the appropriate state agency as a condition of employment. Don’t worry, we’ll guide you through the process if this is relevant to your role.
Ready to Own What's Next?
We know finding a new job can be intimidating. Don't let imposter syndrome stop you from applying! Even if you don't think you tick off every box in this job description, we'd still love for you to apply or join our Talent Community.
DraftKings is proud to be an equal-opportunity employer. We do not tolerate discrimination of any kind and are committed to providing equal employment opportunities regardless of your gender identity, race, nationality, religion, sexual orientation, status as a protected veteran, or status as an individual with a disability.
JR11692
The organisation
- ESports & Gaming
- Boston, USA
- 2000+ employees
- Website
Defining what it means to build and deliver the most extraordinary sports & entertainment experiences. The Crown is Yours.
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