Senior Lead Software Engineer
As a Senior Lead Software Engineer, the successful candidate will lead a small engineering team delivering solutions that put AI to work in production, customer-facing applications. This role involves solving meaningful customer and business problems within a high-scale, regulated environment.
This is a hands-on engineering position where the individual will own technical design and key engineering decisions. The role requires contributing directly to implementation and guiding the team from experimentation through secure, reliable production delivery. The engineer will work across application, AI integration, and platform layers, building specialized AI agents, MCP servers, and integrations with internal platforms and external vendors. Additionally, the role involves managing and mentoring team members while maintaining a primary focus on engineering execution and technical leadership.
- Lead the technical design and delivery of customer-facing applications and specialized AI solutions from concept through production.
- Stay deeply hands-on in engineering, contributing to implementation, code reviews, troubleshooting, and technical problem solving.
- Build and customise AI agents, including the context, prompts, MCP servers/tools, and integrations required for them to operate effectively.
- Design and build scalable services using C#/.NET, AWS, and modern distributed-system architectures.
- Work across back-end, AI integration, and platform boundaries, including integrations with internal systems and external vendors.
- Lead a small team of engineers through technical direction, mentoring, design discussions, and delivery.
- Partner closely with product, engineering, business stakeholders, platform teams, and external partners to understand domain-specific customer problems and turn them into practical technical solutions.
- Drive solutions to meet the reliability, security, observability, and operational standards required for high-scale, regulated customer-facing systems.
- Be highly proficient with AI-assisted development tools such as Claude and Codex across coding, technical design, analysis, and problem solving.
- Bachelor’s degree in Computer Science or a suitable combination of education, experience, and training. (required)
- At least 7 years of professional software engineering experience, with strong hands-on expertise in C#/.NET. (required)
- Strong hands-on experience with AWS and delivering scalable production solutions in the cloud. (required)
- Experience leading engineers and owning technical direction while remaining actively involved in implementation. (required)
- Experience working in large, distributed environments where cloud services, internal platforms, and external vendor systems must operate reliably together. (required)
- Strong proficiency with AI-assisted development tools such as Claude and Codex. (required)
- Interest in, or experience with, building AI agents, MCP tools, and Context Engineering. (required)
- Excellent communication, collaboration, and stakeholder-management skills, with the ability to dive deeply into business domains and customer problems. (required)
- US base salary range of 160,700.00 USD - 200,900.00 USD, plus bonus and equity.
- Comprehensive health benefits including medical, dental, and vision plans.
- Wellbeing program including free therapy sessions with Lyra, the Calm App, and virtual yoga classes.
- 14 weeks of 100% paid parental leave and workplace lactation support.
- Partnership with Care.com for backup childcare.
- Support for family planning including adoption, surrogacy, and fertility treatments.
- Flexible PTO for US employees.
- Pet insurance.
- Gym membership reimbursement.
- Financial planning support including 401(k) matching and Origin Financial.
- Commuter benefits.
- Tuition reimbursement program.
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.