Lead Backend Engineer
As a Lead Backend Engineer, you'll lead the charge in building scalable systems that power real-time experiences for millions of customers. You'll architect robust solutions, write high-performance code, and guide a team committed to technical excellence. Working across disciplines, you'll align engineering execution with business strategy and elevate our enterprise platform. This is a rare opportunity to lead with impact, shape product direction, mentor talent, and drive innovation at scale.
- Architect, develop, and maintain scalable and secure systems and APIs that power high-impact applications used by millions of users in a real-time, always-on environment.
- Take ownership of the full development lifecycle from shaping the architecture of new features to breaking down workstreams and guiding implementation.
- Lead by example, writing high-performance, well-tested code that meets our rigorous standards for reliability and scalability.
- Set and enforce best practices around code quality, design patterns, testing, and system performance.
- Triage, debug, and resolve complex issues in production environments, driving a culture of accountability and operational excellence.
- Collaborate cross-functionally with Product, Design, and Engineering teams to align technical solutions with strategic business goals.
- Act as a technical mentor and coach, providing guidance and feedback that helps engineers grow and deliver their best work.
- Play a critical role in shaping the team’s roadmap and technical direction while fostering a strong engineering culture grounded in ownership and continuous learning.
- Bachelor's degree in Computer Science or any suitable combination of education, experience, and training.
- At least 5 years of experience in object-oriented backend development using languages such as C#, with advanced expertise in OOP principles, design patterns, and backend architecture.
- Proven ability to architect, build, and scale distributed systems in Cloud environments such as AWS or Google Cloud Platform (GCP).
- Deep experience developing and maintaining comprehensive automated test suites, including unit, integration, and performance tests, to ensure system resilience and scalability.
- A strong track record of mentoring engineers, leading code and design reviews, and driving high-impact technical decisions across cross-functional teams.
- A proactive mindset with a focus on continuous improvement, code quality, and driving engineering best practices across teams.
- Comprehensive health benefits, including various medical plans, dental, and vision.
- Free access to wellbeing programs such as free therapy sessions with Lyra Mental Health Solution, Lyra Employee Assistance Program, the Calm App, Virtual Yoga Classes, and many more.
- 14 weeks of 100% paid parental leave to all global team members and workplace lactation support.
- Support for family planning, including adoption, surrogacy, fertility treatments, or other family planning needs.
- 25 vacation days per year.
- 200 BGN food vouchers per month.
- 50% coverage of monthly MultiSport card in a wide network of sports facilities.
- Financial planning programs like Origin Financial.
- Commuter benefits to help save money on daily commute.
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.
