Senior Software Engineer, IOS

DraftKings Inc.; United States; Remote; USD 120,000 - 180,000; Full time

Job summary

DraftKings Inc. in the United States is seeking a Senior Mobile Engineer, iOS, to shape the future of our mobile products for millions of users. You will contribute to scalable, maintainable iOS code, guiding feature development from concept to delivery.

You’ll collaborate with Product, Design, and Engineering to implement best practices, optimize performance, and ensure robust testing with CI/CD and modern patterns such as MVVM. A user-focused mindset is essential.

Qualifications

• Bachelor's degree in Computer Science or equivalent
• At least 3 years of iOS development experience with Swift and SwiftUI
• Strong knowledge of MVVM and iOS architecture patterns
• Experience integrating RESTful APIs and managing complex app state
• Familiarity with CI/CD pipelines and automated testing (XCUITest)

Responsibilities

• Develop high-quality iOS applications for millions of users.
• Architect scalable, modular, and maintainable iOS codebases.
• Collaborate with Product, Design, and Engineering to deliver features end-to-end.
• Promote iOS best practices and efficient UI rendering.
• Monitor performance and crash analytics to drive improvements.
• Stay updated with iOS platform changes and mobile trends.
• Foster collaboration and technical excellence within the iOS team.

Skills

Swift

SwiftUI

iOS

MVVM

RESTful APIs

CI/CD

XCUITest

Code quality

Team collaboration

Design Patterns

Education

Bachelor's degree in Computer Science

Tools

Xcode

Git

Job description

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 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 Do

• 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.