Senior Backend Engineer [JR13245]

ABOUT DRAFTKINGS INC.

At DraftKings Inc., 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 Engineer, you’ll build the high-scale backend systems that power real-time experiences for millions of customers. From day one, you’ll ship production-ready code, deliver features with speed and consistency, and own services end-to-end in a fast-moving, always-on environment. You’ll work alongside passionate engineers, architects, and product leaders who value quality, speed, and impact. Your ideas will shape what comes next and your growth won’t slow down.

WHAT YOU’LL DO AS A SENIOR BACKEND ENGINEER

• Design and develop scalable back-end systems and APIs that power high-impact applications used by a large, engaged user base around the clock.
• Deliver production-ready code, driving forward new features and capabilities in a 24/7 sports betting environment.
• Prioritize agility and scalability equally to support 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.
• Join the team initially as a maternity cover, with the potential to transition into a long-term role based on performance and team needs.

WHAT YOU’LL BRING

• Bachelor’s degree in Computer Science or any relevant combination of education, experience, and training.
• At least 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 backend system architecture.
• Proven success designing and building scalable distributed systems in Cloud environments such as AWS or Google Cloud Platform (GCP).
• Advanced proficiency in writing and maintaining 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.
• Proficiency in integrating AI-powered tools (e.g. Copilot, Cursor, Claude) into development pipelines to accelerate coding, enhance code quality, and increase developer efficiency.
• Proficiency with AI-assisted testing, code reviews, and documentation generation.
• Proven ability in leveraging AI tools in daily engineering workflows e.g. including pair programming with AI, auto-generating test cases, or accelerating bug triage and resolution.

JOIN OUR TEAM

Being part of the DraftKings Inc. 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.

We’re 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.