Senior BackEnd Software Engineer [JR11692]

ABOUT DRAFTKINGS

 At DraftKings, AI is becoming an integral part of both our present and future, powering how work gets done today, guiding smarter decisions, and sparking bold ideas. It’s transforming how we enhance customer experiences, streamline operations, and unlock new possibilities. Our teams are energized by innovation and readily embrace emerging technology. We’re not waiting for the future to arrive. We’re shaping it, one bold step at a time. To those who see AI as a driver of progress, come build the future together.

THE CROWN IS YOURS

As a Senior BackEnd Software Engineer, you’ll build the high-scale backend systems that power real-time experiences for millions. You’ll ship production-ready code from day one, owning services end-to-end and solving complex engineering challenges in a fast-moving, always-on environment. You’ll work shoulder-to-shoulder with talented engineers, architects, and product leaders who value quality, speed, and impact. This is a role where your code ships fast, your ideas shape the future, and your growth never stalls.

WHAT YOU’LL DO AS A SENIOR BACKEND SOFTWARE ENGINEER

• Design and develop scalable event-driven systems and APIs that power high-impact applications used by a large, engaged user base around the clock.
• Deliver production-ready code from day one, driving forward new features and capabilities.
• Prioritize agility and scalability equally—supporting rapid product rollouts while ensuring systems are built to pivot and perform at scale.
• Own the full software development lifecycle, from initial design through long-term maintenance, performance tuning, and reliability improvements.
• Triage, investigate, and resolve production issues with urgency, contributing to a culture of continuous improvement and operational excellence.
• Ensure all components are built to withstand high volume and real-time demands, optimizing for speed and efficiency.
• Collaborate cross-functionally to align technical execution with product goals, mentoring peers and driving quality standards across the team.

WHAT YOU’LL BRING

• 3+ years of professional experience in object-oriented backend development using languages such as C# or Java, with deep knowledge of OOP principles, design patterns, and microservices system architecture.
• Practical experience with modern messaging and event streaming technologies (e.g., Kafka, RabbitMQ, AWS Kinesis).
• Proven success designing and building scalable distributed systems in Cloud environments such as AWS or Google Cloud Platform (GCP).
• Proficiency with SQL and the ability to analyze structured event data to support debugging and validation.
• Advanced proficiency in writing and maintaining automated test suites—including unit, integration, and performance tests—for large-scale backend services.
• A demonstrated ability to mentor and grow other engineers through code reviews, design reviews, and collaborative debugging.

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?

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.