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Senior Software Engineer, Backend

DraftKings

$119,500 - $149,400
Dec 5, 2025
Remote, US
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DraftKings is looking to leverage AI to enhance customer experiences, streamline operations, and unlock new possibilities. The Senior Software Engineer will build the high-scale backend systems that power real-time experiences for millions of customers, contributing to the company's AI-driven future.

Requirements

  • At least 3 years of professional experience in object-oriented backend development using languages such as C-Sharp 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 automated test suites, including unit, integration, and performance tests, for large-scale backend services.

Responsibilities

  • 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.

Other

  • Bachelor's degree in Computer Science or any relevant combination of education, experience, and training.
  • A demonstrated ability to mentor and grow other engineers through code reviews, design reviews, and collaborative debugging.
  • 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.