The Crown Is Yours
As a Senior Mobile Engineer, iOS, you'll help define the future of our mobile products and help deliver exceptional experiences to millions of users. In this role, you'll shape engineering practices and decisions to ensure new features scale reliably. With deep iOS expertise and a collaborative mindset, you'll champion performance, quality, and maintainability as you guide the evolution of our mobile platform.
What You'll Do
- Develop high-quality iOS applications that deliver engaging, reliable experiences to millions of users.
- Architect scalable, modular, and maintainable iOS codebases, leveraging modern development practices.
- Collaborate closely with Product, Design, and Engineering teams to define and deliver new features end-to-end.
- Promote iOS best practices, including clean architecture, dependency injection, and efficient UI rendering.
- Monitor app performance, reliability, and crash analytics to drive continuous improvement.
- Stay ahead of iOS platform changes, ecosystem updates, and mobile trends to keep the team's skills and tools cutting-edge.
- Foster a culture of collaboration, innovation, and technical excellence within the iOS engineering community.
What You'll Bring
- Bachelor's degree in Computer Science or any relevant combination of education, experience, and training.
- At least 3 years of experience building and shipping iOS applications using Swift and Swift UI development principles.
- Strong knowledge of iOS architecture patterns such as MVVM.
- Experience integrating RESTful APIs, handling data persistence, and managing complex states in mobile apps.
- Strong knowledge of Design Patterns and OOP principles.
- Familiarity with CI/CD pipelines for iOS, automated testing frameworks (XCUITest), and release processes is a plus.
- Strong code quality practices, including code reviews, unit testing, and writing clean, maintainable code.
- Excellent communication and collaboration skills with cross-functional teams.
- A user-focused mindset, with an ability to translate product and design requirements into intuitive mobile experiences.
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.
The US base salary range for this full-time position is 119,500.00 USD - 149,400.00 USD, plus bonus, equity, and benefits as applicable. Our ranges are determined by role, level, and location. The compensation information displayed on each job posting reflects the range for new hire pay rates for the position across all US locations. Within the range, individual pay is determined by work location and additional factors, including job-related skills, experience, and relevant education or training. Your recruiter can share more about the specific pay range and how that was determined during the hiring process. It is unlawful in Massachusetts to require or administer a lie detector test as a condition of employment or continued employment. An employer who violates this law shall be subject to criminal penalties and civil liability.
Skills Required
- Bachelor's degree in Computer Science or a relevant combination of education, experience, and training
- At least 3 years of experience building and shipping iOS applications
- Experience using Swift and SwiftUI development principles
- Strong knowledge of iOS architecture patterns, including MVVM
- Experience integrating RESTful APIs, handling data persistence, and managing complex mobile application state
- Strong knowledge of design patterns and object-oriented programming principles
- Strong code quality practices, including code reviews, unit testing, and maintainable code development
- Excellent communication and collaboration skills with cross-functional teams
- User-focused mindset and ability to translate product and design requirements into intuitive mobile experiences
- Familiarity with iOS CI/CD pipelines, automated testing frameworks such as XCUITest, and release processes
- Obtain a gaming license issued by the appropriate state agency if required for the role
What We Do
It's simple, at DraftKings, 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. We’re developing the most innovative and entertaining real money products and offers; to forever transform how people experience sports; to be a fully vertically integrated sports betting operator. It's our ultimate goal to build the best, most trusted, and most customer-centric destination for our players. We’re defining what it means to build and deliver the most extraordinary sports and entertainment experiences. Our global team is trailblazing new markets, developing cutting-edge products, and shaping the future of responsible gaming.
Why Work With Us
Here, “impossible” isn’t part of our vocabulary. You’ll face some of the toughest but most rewarding challenges of your career. They’re worth it. Channeling your inner grit will accelerate your growth, help us win as a team, and create unforgettable moments for our customers. Ready to own what’s next?
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Hybrid Workspace
Employees engage in a combination of remote and on-site work.
Our flexible hybrid policy empowers team members to work where they’re most productive—whether at home or in our collaborative offices. We trust our teams to choose what works best for them to thrive and innovate.

















