Senior Software Engineer, Backend
As a Senior Software 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.
- 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, 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. (required)
- 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. (required)
- Proven success designing and building scalable distributed systems in Cloud environments such as AWS or Google Cloud Platform (GCP). (required)
- Advanced proficiency in writing and maintaining automated test suites, including unit, integration, and performance tests, for large-scale backend services. (required)
- A demonstrated ability to mentor and grow other engineers through code reviews, design reviews, and collaborative debugging. (required)
- Comprehensive health benefits, including various medical plans, dental, and vision.
- Wellbeing Program with free therapy sessions, Employee Assistance Program, the Calm App, and Virtual Yoga Classes.
- 14 weeks of 100% paid parental leave to all global team members and workplace lactation support.
- Partnership with Care.com for care finder and backup childcare for US employees.
- Family planning benefits supporting adoption, surrogacy, fertility treatments, and other family planning needs.
- Flexible PTO for employees working in the United States.
- Pet insurance to help save on vet expenses.
- Gym reimbursement for gym memberships.
- Financial Planning resources, including 401(k) matching and Origin Financial programs.
- Commuter benefits to help lower costs on daily commutes.
- Tuition Reimbursement Program for educational courses related to their positions or other positions at DraftKings.
DraftKings Inc. is a leading American digital sports entertainment and gaming company, headquartered in Boston, Massachusetts. Founded in 2012, it started in daily fantasy sports and has grown into one of the largest US online sportsbook and iGaming operators. The company offers mobile sports betting, online casino and daily fantasy contests across regulated North American markets. DraftKings is listed on the Nasdaq stock exchange and employs several thousand people.