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DraftKings Inc. Logo

Senior Backend Engineer

  • Sofia, Bulgaria
  • Full time
  • Competitive
  • 8th July 2025
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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 Backend Engineer specializing in Real-Time Data Processing at DraftKings, you’ll be part of a multidisciplinary team where you’ll collaborate closely with product managers, data scientists, and data analysts. You’ll play a key role in designing and building systems that process and analyze high-volume real-time data streams, powering our data-science-driven ecosystem to deliver cutting-edge analytics and actionable insights for impactful business decisions.

  • Design, implement, and optimize real-time data processing systems leveraging Apache Spark, Databricks, and Python.

  • Develop and support distributed systems to support machine learning models and feature engineering for real-time and batch processing.

  • Leverage cloud computing platforms, such as AWS, to deploy and manage distributed data systems effectively.

  • Collaborate with cross-functional teams to identify and solve complex data challenges.

  • Participate actively in the team’s technical planning, implementation, code reviews, deployment and support.

  • Work closely with automation QAs on integration and performance testing.

What you’ll bring

  • Software engineering background with 3+ years of experience building scalable backend systems, with strong proficiency in object-oriented programming (e.g., C#, Java) and software design patterns.

  • Solid experience building distributed systems in a microservices architecture using messaging platforms such as Kafka or RabbitMQ.

  • Strong experience working with SQL for data analysis; familiarity with NoSQL databases is a plus.

  • Experience with cloud platforms such as AWS, Azure, or GCP.

  • Interest in learning and working with real-time data processing technologies such as Apache Spark, Databricks — hands-on experience is a strong plus.

#LI-TK1

#LI-REMOTE

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.

JR10782

The organisation

DraftKings Inc.
  • 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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