iOS Engineer

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

Job summary

DraftKings is seeking a Mobile Engineer to shape the iOS experience, delivering high-quality features that reach millions of users. You will collaborate with Design, Product, and Analytics to create reliable, scalable mobile solutions that drive engagement and growth.

Enhance APIs, optimize performance, and participate in code reviews, while embracing AI-assisted development workflows. A Bachelor’s degree and at least 1 year of iOS Swift experience are required.

Qualifications

• Bachelor’s degree in Computer Science or any suitable combination of education, experience, and training.
• At least 1 year of experience building iOS applications in Swift.
• Familiarity with MVC or MVVM and core OOP/design patterns.
• Strong understanding of API integration, data persistence, and state management.
• Eagerness to learn CI/CD, automated testing, and mobile release processes.
• Attention to writing clean, maintainable code.
• Interest in AI-assisted development workflows; Claude Code or Codex is a plus.
• Effective communication and collaboration in building user-focused mobile experiences.

Responsibilities

• Contribute to the development of high-quality iOS applications that deliver engaging user experiences.
• Write clean, maintainable code using Swift and SwiftUI, following established patterns and practices.
• Collaborate with product managers, designers, and engineers to build new features from concept to release.
• Assist with integrating APIs, managing data, and optimizing app performance.
• Participate in code reviews and testing to maintain a high standard of quality.
• Leverage AI coding assistants and agents to support development, testing and code reviews, while ensuring code quality and taking ownership of the final output.
• Learn about and apply modern iOS development tools, techniques, and trends.
• Work with your team to troubleshoot issues and improve reliability.

Skills

Swift & SwiftUI

iOS development

API integration

CI/CD

Design patterns

MVVM/MVC

OOP principles

AI-assisted development

Code reviews

Education

Bachelor's degree in Computer Science or related field

Tools

Claude Code

Codex

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 Mobile Engineer, you’ll shape the future of our iOS experience by building features that reach millions of users. You’ll collaborate across Design, Product, and Analytics teams to deliver reliable, scalable, and high-impact solutions. Your contributions will directly drive user engagement and influence the evolution of our mobile platform. This is a chance to work on one of our highest-visibility products, central to our long-term growth and innovation strategy.

What You’ll Do

• Contribute to the development of high-quality iOS applications that deliver engaging user experiences.
• Write clean, maintainable code using Swift and SwiftUI, following established patterns and practices.
• Collaborate with product managers, designers, and engineers to build new features from concept to release.
• Assist with integrating APIs, managing data, and optimizing app performance.
• Participate in code reviews and testing to maintain a high standard of quality.
• Leverage AI coding assistants and agents to support development, testing and code reviews, while ensuring code quality and taking ownership of the final output.
• Learn about and apply modern iOS development tools, techniques, and trends.
• Work with your team to troubleshoot issues and improve reliability.

What You’ll Bring

• Bachelor’s degree in Computer Science or any suitable combination of education, experience, and training.
• At least 1 year of experience building iOS applications in Swift.
• Familiarity with architecture patterns like MVC or MVVM, and core principles such as OOP and design patterns.
• Solid understanding of API integration, data persistence, and state management.
• Eagerness to learn CI/CD, automated testing, and mobile release processes.
• Strong attention to detail and a commitment to writing clean, maintainable code.
• Interest in adopting AI-assisted development workflows. Experience with tools such as Claude Code or Codex is a plus.
• Effective communication skills, a collaborative mindset, and a passion for building intuitive, user-focused 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.