Design and maintain iOS applications, collaborate with teams to deliver features, mentor junior engineers, and optimize performance.
Primary Responsibilities
Requirements
- Design, build, and maintain customer-facing iOS applications with a focus on quality and performance
- Collaborate with Product and Design teams to define, design, and deliver new features
- Take ownership of the iOS codebase architecture, ensuring scalability, reliability, and maintainability
- Partner with backend and firmware engineers to design end-to-end solutions
- Mentor junior engineers through code reviews, pair programming, and technical guidance
- Advocate for coding standards, testability, and performance best practices within the team
- Identify and resolve complex technical issues, including debugging and performance optimization
- Stay current with iOS ecosystem trends and proactively recommend improvements
- Participate in Agile ceremonies, contributing to sprint planning, estimation, and retrospectives
- Maintain clear technical documentation for features, architecture decisions, and best practices
Requirements
- 5+ years of iOS app development experience, with a portfolio of shipped apps
- Expertise in Swift and SwiftUI, with deep knowledge of iOS SDK frameworks and Apple’s design guidelines
- Strong computer science fundamentals: data structures, algorithms, concurrency, memory management
- Proficient in REST APIs, JSON data handling, and integrating third-party SDKs
- Experience with unit/UI testing, CI/CD pipelines, and Agile development practices
- Skilled in debugging, profiling, and optimizing mobile applications
- Strong problem-solving and communication skills, able to work effectively in cross-functional teams
- Ability to rapidly prototype and iterate toward production-ready features
- Experience with iOS Bluetooth Low Energy (BLE) APIs
- Familiarity with cross-platform libraries
- Experience working with Google Firebase APIs
Top Skills
Agile
Ci/Cd
Google Firebase
iOS
Ios Sdk
JSON
Rest Apis
Swift
Swiftui
Similar Jobs
Mobile
As a Senior iOS Developer, you'll release features weekly, collaborate closely with product and design, and improve systems for users.
Top Skills:
AnimationCachingFrontend FundamentalsiOSState Management
eCommerce • Fintech • Hardware • Payments • Software • Financial Services
Design, develop, and maintain functionality for Square's Banking product suite, leading architectural discussions and mentoring other engineers.
Top Skills:
KotlinObjective-CSwift
eCommerce • Fintech • Hardware • Payments • Software • Financial Services
Lead the design, development, and maintenance of Square's Banking product suite while mentoring other engineers and ensuring high-quality code for a seamless banking experience.
Top Skills:
KotlinObjective-CSwift
What you need to know about the Colorado Tech Scene
With a business-friendly climate and research universities like CU Boulder and Colorado State, Colorado has made a name for itself as a startup ecosystem. The state boasts a skilled workforce and high quality of life thanks to its affordable housing, vibrant cultural scene and unparalleled opportunities for outdoor recreation. Colorado is also home to the National Renewable Energy Laboratory, helping cement its status as a hub for renewable energy innovation.
Key Facts About Colorado Tech
- Number of Tech Workers: 260,000; 8.5% of overall workforce (2024 CompTIA survey)
- Major Tech Employers: Lockheed Martin, Century Link, Comcast, BAE Systems, Level 3
- Key Industries: Software, artificial intelligence, aerospace, e-commerce, fintech, healthtech
- Funding Landscape: $4.9 billion in VC funding in 2024 (Pitchbook)
- Notable Investors: Access Venture Partners, Ridgeline Ventures, Techstars, Blackhorn Ventures
- Research Centers and Universities: Colorado School of Mines, University of Colorado Boulder, University of Denver, Colorado State University, Mesa Laboratory, Space Science Institute, National Center for Atmospheric Research, National Renewable Energy Laboratory, Gottlieb Institute