Senior Software Engineer, Sportsbook [JR11459]

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 .NET Developer, you’ll be part of one of our multidisciplinary teams where you’ll work closely with tech leads, product managers, and software architects. Our Team manages a key business component, which handles millions of calculations per minute, has a complex aggregation logic and its performance must be top-notch at all times. You’ll be a valuable contributor to our processes and decision-making so when we build new features, we can ensure scalability and availability of the entire platform.

WHAT YOU WILL DO AS A SENIOR SOFTWARE ENGINEER

• You will develop the company’s main front-end application using the latest web technologies.
• Develop sophisticated and immersive sportsbook solution, dashboard visualizations, and manipulate large and complex datasets with focus on performance and scalability.
• Conduct thorough testing and debugging to maintain the integrity of the application codebase.
• Work closely with backend developers and architects to define solutions for new features and improvements of the product.
• Care about agility as much as you care about scalability. We roll out products very quickly and are looking for a team that can pivot at a moment’s notice.
• We’re constantly growing and forming new teams; you will be able to lead either as an engineer or transition into a manager role.  

WHAT YOU’LL BRING

• Proven experience in building customer-facing Web Applications using JavaScript/TypeScript and popular UI frameworks such as React and/or Angular, Vue.js etc.
• Solid knowledge of responsive web design, JavaScript object model, DOM manipulation, and core web technologies such as HTML5 and CSS3.
• Experience in developing REST APIs using JavaScript (ES6+) and Node.js, with a solid grasp of backend service patterns (Using Express.js).
• Familiarity with modern testing frameworks (e.g., Jest, Vitest).
• Working knowledge of Git and CI/CD pipelines.
• Background working across the stack and understanding how all the pieces fit together – strong foundation in object-oriented programming, core data structures, and architectural thinking.
• Experience supporting and real-time monitoring of enterprise-level customer-facing applications is considered a plus.
• Excellent communication skills and ability to communicate enthusiastically, clearly, and concisely with both technical and non-technical staff.

JOIN OUR TEAM

Being part of the DraftKings team means you’re always looking for new ways to break out of the box. Whether you’re data-obsessed, tech-driven, or love working with different people each day, you’ll solve some of the most exciting challenges in our industry and be supported from your very first day. Ready to own what’s next?

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.