Lead iOS Engineer

DraftKings Inc.

Lead iOS Engineer at DraftKings, responsible for building scalable iOS build and delivery infrastructure. Collaborate across teams to enhance customer experience through innovative mobile applications.

Posted 7/25/2026full-timeRemote • 🇧🇬 BulgariaSeniorWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in iOS application development, including proficiency in Swift and SwiftUI, while leading CI/CD processes and mentoring engineering teams to achieve high-quality, scalable solutions. Strong ability to align technical strategies with business goals and optimize app performance and release processes.

Highest-signal resume keywords

IOS Application DevelopmentSwift and SwiftUI ProficiencyCI/CD Pipeline DesignAPI Integration and Performance TuningMentorship and Team Leadership

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

IOS Architecture PatternsMVVM and VIPERAutomated Testing FrameworksData PersistenceState ManagementBuild CachingRelease AutomationXcode Build SettingsSwift Package ManagerAzure DevOps

Soft Skills

CollaborationInfluencing Technical DirectionStrategic Mindset

Certifications & Qualifications

Bachelor's Degree in Computer Science

Industry Keywords

Mobile Platform StrategyBuild-System ConfigurationsTechnical ExcellenceProduct Roadmaps

Tech Stack

Tools & technologies

AzureiOSSwift

About the role

Key responsibilities & impact

Lead the design and delivery of scalable iOS build and release tooling, including Azure DevOps pipelines, build caching, release automation, shared scripts, reusable tasks, variable groups, and consistent build-system configurations across teams.
Advance CI/CD performance and efficiency by evaluating emerging tooling, reducing build times, eliminating unused capacity, and tracking impact with measurable metrics.
Set and uphold coding standards, architecture patterns, and best practices across the iOS engineering team.
Collaborate with Product Managers, DevOps and backend engineers and tech leads to align technical solutions and tooling direction with business goals and the broader mobile platform strategy.
Mentor and coach iOS engineers, fostering a culture of collaboration, growth, and technical excellence.
Monitor and optimize app performance, stability, and release processes to ensure smooth, reliable deployments.
Stay current with iOS platform updates, tools, and emerging trends, introducing innovative solutions that keep our apps ahead of the curve.
Partner with leadership to shape product roadmaps and contribute to the long-term mobile strategy.

Requirements

What you’ll need

Bachelor's degree in Computer Science or any relevant combination of education, experience and training
At least 4 years of experience building and shipping iOS applications, with at least 2 years in a leadership or mentorship role.
Expert-level proficiency in Swift and SwiftUI, with deep knowledge of iOS architecture patterns such as MVVM and VIPER.
Proven ability to design scalable, modular codebases and lead large feature development from concept to release.
Strong background in API integration, data persistence, state management, and performance tuning.
Experience with CI/CD pipelines, automated testing frameworks, and efficient release processes.
Hands-on exposure to Xcode build settings, Swift Package Manager, toolchain management, and Azure DevOps pipeline design is a strong advantage.
Exceptional collaboration skills, with a track record of influencing technical direction across teams.
A strategic, user-focused mindset, balancing technical innovation with delivering impactful product experiences.

Benefits

Comp & perks

Health insurance
Retirement plans
Paid time off
Flexible work arrangements
Professional development