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DraftKings Inc.

Senior Software Engineer

On site

London, United kingdom

Senior

Full Time

20-11-2025

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Skills

Adaptability Python Java C# Monitoring Training Architecture Machine Learning Databases AWS Software Development Analytics GCP Data Science Microservices

Job Specifications

At DraftKings, AI is becoming an integral part of both our present and future, powering how work gets done today, guiding smarter decisions, and sparking bold ideas. It’s transforming how we enhance customer experiences, streamline operations, and unlock new possibilities. Our teams are energized by innovation and readily embrace emerging technology. We’re not waiting for the future to arrive. We’re shaping it, one bold step at a time. To those who see AI as a driver of progress, come build the future together.

The Crown Is Yours

As a Senior Software Engineer, AI, you’ll design and scale backend systems that power intelligent, data-driven experiences for millions of users. You’ll own critical services end-to-end, from rapid iteration to long-term reliability, while helping bring modern AI capabilities into production. You’ll collaborate across disciplines to turn data and machine learning, and/or Gen AI insights into scalable, real-time systems that enhance product experiences. This is a role for engineers who thrive on impact, embrace technical depth, and are energized by what’s next in backend and AI-driven technology.

What You’ll Do as a Senior Software Engineer

Design and develop scalable backend systems and APIs that deliver intelligent, real-time functionality across a high-volume, always-on platform
Build and maintain data pipelines and backend infrastructure that enable ML model training, evaluation, and deployment
Partner with data scientists and ML engineers to integrate models into production services, ensuring high availability and performance
Implement monitoring, experimentation, and evaluation frameworks to measure model and system behavior and continuously improve performance
Work closely with product teams to translate AI capabilities into user-facing features that are reliable, fast, and maintainable
Stay current with AI infrastructure trends, from model serving to vector databases and observability tools, and bring practical innovation to production systems
Deliver clean, testable, production-ready code from day one while continuously optimizing for scalability and resilience
Lead by example: mentor teammates, elevate engineering standards, and drive best practices in design and delivery

What You’ll Bring

3+ years of professional experience in backend software development using languages like C#, Java, or Python
Proven experience designing, building, and operating distributed systems at scale in AWS, GCP, or other cloud environments
Exposure to data or ML workflows, from building data pipelines to deploying or integrating ML models in production environments
Solid understanding of APIs, microservices, and event-driven architecture
Strong focus on testing, observability, and performance tuning for large-scale backend systems
Comfort collaborating with data science or analytics teams to translate insights into engineering outcomes
Ability to thrive in high ownership, fast-paced environments, balancing rapid iteration with long-term maintainability
Curiosity, adaptability, and a drive to stay ahead in emerging technologies in AI, data systems, and backend architecture
Bachelor’s Degree in Computer Science or equivalent combination of education and experience

Join Our Team

We’re a publicly traded (NASDAQ: DKNG) technology company headquartered in Boston. 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. Don’t worry, we’ll guide you through the process if this is relevant to your role.

About the Company

It's simple, we believe life is more fun when you're in on the action. For that reason, we’re committed to responsibly creating the world’s favorite games and betting experiences. At DraftKings, The Crown Is Yours. We are driven by the thrill of the future and the pull of possibility. As an original, continuous gamechanger, we’re shaping the present and future of sports entertainment and digital experiences, leading the way into new markets with new products, and providing the ultimate experience to our customers. Here,... Know more