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Senior Mobile App Developer (Remote)

Roles & Responsibilities

  • 3-5 years of experience with React Native.
  • Experience with React Native (including Expo) and native code debugging (Objective-C, Swift, Java, Kotlin).
  • In-app purchases and subscriptions experience; understanding of Apple App Store and Google Play Store submission processes.
  • JavaScript/TypeScript expertise with knowledge of HTTP-based APIs and state management (Redux, Sagas).

Requirements:

  • Maintain and improve existing React Native/Expo apps with occasional native code debugging (Objective-C, Swift, Java, Kotlin).
  • Implement features per roadmap and collaborate with stakeholders to deliver releases.
  • Coordinate with a project manager and a small team to release new versions on a monthly cadence; assist with app submissions to Apple, Google, and Amazon stores.
  • Collaborate with designers to ensure a seamless user experience; follow QA and security processes, participate in code reviews, and stay current with mobile technology and platform updates.

Job description

Overview:

HarperCollins Christian Publishing Logo

 

HarperCollins Christian Publishing is committed to building a diverse and inclusive team and highly values diverse backgrounds and insights that fuel our innovation.

 

HarperCollins Christian Publishing is looking for a fully remote senior mobile app developer with an emphasis in React Native to serve as a developer on apps for Bible Gateway and Jesus Calling, with millions of monthly users. This role involves maintaining and improving existing codebases, implementing new features, and ensuring app stability and performance while collaborating with a small team of developers and stakeholders. If you're ready to challenge yourself and create exceptional digital experiences for a global audience, we want you on our team.

Responsibilities:
  • Manage existing codebases, improving code quality and app stability. The existing apps are primarily React Native / Expo but do contain limited native code (Objective C, Swift, Java, and Kotlin) that may occasionally require debugging.
  • Implement features as requested by internal stakeholders based on feature roadmaps.
  • Coordinate with a project manager and a small team of internal and contract developers to deliver features and releases.
  • Assist with submission process to Apple, Google, and Amazon app stores.
  • Release new versions of the apps on a consistent cadence (approximately monthly).
  • Collaborate with designers to ensure a seamless and engaging user experience across all devices.
  • Follow QA processes and security requirements and use error-tracking systems to fix issues both pre- and post-release.
  • Participate in code reviews.
  • Stay current with technical developments in the field of mobile apps to adequately respond to the technology demands of the marketplace.
  • Stay current with frequent updates to Apple and Google app development standards, including technical and privacy requirements.
Qualifications:

Knowledge: 3-5 years of experience with React Native.

 

Areas of Exposure/Experience:

React Native (including audio) and Expo.

In-app purchases, (including subscriptions).

JavaScript/Typescript.

HTML, CSS, and WebViews for HTML formatting and displaying web content.

Mobile platforms (Android and iOS).

State Management (Redux, Sagas)

Project management/bug tracking (e.g., Jira).

Figma for receiving designs.

Firebase for managing analytics and crash reporting.

Agile software development methodologies.

AI-assisted development tools (e.g., GitHub Copilot, Cursor, Claude).

 

Work Experience: 5+ years of programming experience. A portfolio or record of successful app delivery is a plus.

 

Education: Bachelor’s degree in computer science or equivalent experience.

 

Industry Knowledge: Familiarity with platform-specific user interface patterns and trends. Familiarity with Bibles and Bible study is a plus.

 

Skills:

  • Strong experience with React Native.
  • Javascript/Typescript
  • Knowledge of one or more compiled languages (Swift, Objective C, Kotlin, Java).
  • Knowledge of HTTP-based APIs.
  • Sweats the details to work on a variety of platforms.
  • Considers accessibility in development.
  • Ability to implement screens and flows from mockups provided by designers.
  • Ability to translate analytics and behavioral data into interface design.
  • Ability to bring clarity to complex projects.
  • Adept with current tools and open to using new tools to improve workflow.

HarperCollins Christian Publishing is an equal opportunity employer.

 

HarperCollins Christian Publishing is committed to providing reasonable accommodation for qualified individuals with disabilities, in our job application and/or interview process. If you need assistance or accommodation in completing your application, due to a disability, email us at TalentManagement@harpercollins.com. Note: we will only respond to accommodation requests. 

 

The salary range for this position is $120,000 – $145,000. We recognize that attracting the best talent is key to our strategy and success as a company.  As a result, we aim for flexibility in structuring competitive compensation offers to ensure we are able to attract the best candidates.  The quoted salary range represents our good faith estimate as to what our ideal candidates are likely to expect, and we tailor our offers within the range based on the selected candidate's experience, industry knowledge, technical and communication skills, and other factors that may prove relevant during the interview process.  

 

In addition to cash compensation, the company provides a comprehensive and highly competitive benefits package, with a variety of physical health, retirement and savings, caregiving, emotional wellbeing, transportation, and other benefits, including "elective" benefits employees may select to best fit the needs and personal situations of our diverse workforce.

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