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Key Responsibilities and Required Skills for a Mobile Engineer

💰 $110,000 - $185,000

EngineeringSoftware DevelopmentMobile DevelopmentiOSAndroid

🎯 Role Definition

As a Mobile Engineer on our team, you will be a key player in the entire mobile application lifecycle, from brainstorming and architecture to deployment and maintenance. You'll join a dynamic, collaborative environment where your expertise in iOS, Android, or cross-platform development will directly impact our product and our users. This role requires a creative problem-solver who is passionate about building clean, maintainable, and scalable code. You will work closely with product managers, UX/UI designers, and backend engineers to transform innovative ideas into tangible, high-performance mobile applications that set the standard in our industry.

📈 Career Progression

Typical Career Path

Entry Point From:

  • Software Engineer
  • Junior Mobile Developer
  • Web Developer with an interest in mobile

Advancement To:

  • Senior Mobile Engineer
  • Mobile Tech Lead
  • Engineering Manager (Mobile)

Lateral Moves:

  • Product Manager
  • DevOps Engineer (with a focus on mobile CI/CD)
  • UX/UI Engineer

Core Responsibilities

Primary Functions

  • Design, build, and maintain high-performance, reusable, and reliable code for our native iOS (Swift) and/or Android (Kotlin) applications.
  • Collaborate closely with cross-functional teams, including product management, UX/UI design, and backend engineering, to define, design, and ship new user-facing features.
  • Architect robust, scalable, and maintainable mobile solutions that align with long-term business objectives and technical vision.
  • Implement pixel-perfect user interfaces from design mockups and wireframes, ensuring a consistent and intuitive user experience across a diverse range of devices and screen sizes.
  • Write and maintain comprehensive unit tests, integration tests, and UI tests to ensure code quality, application stability, and overall robustness.
  • Manage the entire application lifecycle, from initial concept and design through to testing, release, and ongoing support in the Apple App Store and Google Play Store.
  • Continuously discover, evaluate, and implement new technologies, design patterns, and development practices to maximize development efficiency and application performance.
  • Profile, debug, and optimize application performance, memory usage, and battery consumption to deliver a smooth, responsive, and delightful user experience.
  • Participate in rigorous code reviews to maintain a high standard of code quality, share knowledge, and provide constructive feedback to fellow engineers.
  • Integrate with backend services and third-party APIs using modern communication protocols such as REST and GraphQL.
  • Work with and improve our CI/CD pipelines to automate the build, testing, and deployment processes for our mobile applications using tools like Fastlane, Jenkins, or Bitrise.
  • Ensure application security by implementing industry best practices for data protection, authentication, secure coding, and handling sensitive information.
  • Translate complex business requirements and user stories into detailed technical specifications and well-architected mobile features.
  • Proactively address and resolve production issues, bug reports, and user feedback in a timely and efficient manner, ensuring a high level of customer satisfaction.
  • Mentor junior developers, providing technical guidance, fostering a culture of continuous learning, and championing best practices within the team.
  • Stay current with the latest trends, technologies, and best practices in the mobile development ecosystem, including new OS versions, language features, and architectural patterns like MVVM or MVI.
  • Develop and maintain clear, concise technical documentation for system architecture, development processes, and API integrations to facilitate knowledge sharing.
  • Contribute to the strategic planning and roadmap for the mobile platform, advocating for technical improvements and new feature possibilities.
  • Implement robust error handling, logging, and performance monitoring mechanisms to proactively identify, diagnose, and address issues in production.
  • Optimize application performance for various network conditions and device capabilities to ensure a reliable and consistent experience for all users globally.

Secondary Functions

  • Support ad-hoc data requests and exploratory data analysis to inform product decisions.
  • Contribute to the organization's broader technology strategy and roadmap.
  • Collaborate with business units to translate data needs into engineering requirements.
  • Participate in sprint planning, retrospectives, and other agile ceremonies within the engineering team.
  • Engage in user research sessions to gain firsthand insights into user behaviors and pain points.

Required Skills & Competencies

Hard Skills (Technical)

  • Strong proficiency in Swift and the iOS SDK (UIKit, SwiftUI, Core Data) or Kotlin and the Android SDK (Jetpack Compose, Coroutines, Room).
  • Deep understanding of modern mobile architectural patterns such as MVVM, MVI, VIPER, or Clean Architecture.
  • Experience with cross-platform frameworks like React Native or Flutter is a significant plus.
  • Proven experience with RESTful APIs and/or GraphQL to connect mobile applications to back-end services.
  • Familiarity with mobile-specific CI/CD pipelines and automation tools (e.g., Fastlane, Jenkins, GitHub Actions, Bitrise).
  • Strong knowledge of mobile UI/UX design principles and a keen eye for detail when translating designs into high-quality, functional interfaces.
  • Expertise in using version control systems, particularly Git and collaborative workflows like Git-flow.
  • Experience with performance profiling, memory management, and debugging tools (e.g., Instruments, Xcode Memory Graph Debugger, Android Profiler).
  • Proficiency with automated testing frameworks for mobile platforms (e.g., XCTest, Espresso, Jest).
  • Solid understanding of the full mobile development lifecycle, including publishing to the Apple App Store and Google Play Store.

Soft Skills

  • Excellent problem-solving and critical-thinking abilities.
  • Strong verbal and written communication skills.
  • A highly collaborative mindset and the ability to work effectively in a team environment.
  • High attention to detail and a commitment to creating quality products.
  • Adaptability and a passion for continuous learning in a fast-paced technology landscape.
  • A user-centric approach to development, with empathy for the end-user experience.
  • Strong sense of ownership and accountability for your work.

Education & Experience

Educational Background

Minimum Education:

  • Bachelor's Degree in a technical field or equivalent practical experience in software development.

Preferred Education:

  • Bachelor's or Master's Degree in Computer Science or a related field.

Relevant Fields of Study:

  • Computer Science
  • Software Engineering
  • Mobile Application Development

Experience Requirements

Typical Experience Range: 3-7+ years of professional software development experience, with a significant focus on mobile applications.

Preferred: Demonstrable experience with one or more published applications on the Apple App Store or Google Play Store that you can speak to and are proud of.

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