Senior Backend Engineer

This role builds high-scale back-end systems that power real-time experiences for millions of customers. The engineer ships production-ready code from day one, delivers features with speed and consistency, and owns services end-to-end in a fast-moving, always-on environment. They work alongside engineers, architects, and product leaders who value quality, speed, and impact, within a 24/7 sports betting environment.

• 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 and drive forward new features and capabilities in a 24/7 sports betting environment.
• Prioritise 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, optimising for speed and efficiency.
• Collaborate cross-functionally to align technical execution with product goals, mentoring peers and driving quality standards across the team.

• 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 back-end development using languages such as C#, with deep knowledge of OOP principles, design patterns, and back-end 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 back-end services.
• Demonstrated ability to mentor and grow other engineers through code reviews, design reviews, and collaborative debugging.
• Ability to obtain a gaming licence issued by the appropriate state agency as a condition of employment, where relevant, with company guidance provided.

• Remote

DraftKings is a publicly traded (NASDAQ: DKNG) technology company headquartered in Boston. AI is becoming an integral part of its present and future, powering how work gets done, guiding smarter decisions, and sparking bold ideas. Its teams are energised by innovation and embrace emerging technology, shaping the future one bold step at a time.