Mobile AppMobile App Developer Job Description Template

A mobile app developer uses programming languages and development skills to create, test, and develop applications on mobile devices. They work in popular operating system environments like iOS and Android and often take into account UI and UX principles when creating applications.

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A mobile app developer is able to create software for phones and tablets, and is familiar with the newest technologies in the mobile world. Mobile development requires staying in the mobile head space, meaning that it’s even more important than with other hardware contexts to optimize performance, battery, network, and memory management. A developer must be also aware of how to deal with device fragmentation, often working closely with a designer to achieve the best user experience (UX) results.

“Mobile app developer” is a very wide term, because it’s not limited to developers who write native code for platforms like Android and iOS. It can also include hybrid app developers working with frameworks such as Cordova or Ionic, and JavaScript and C# developers, who are using React Native and Xamarin to write mobile apps. These are distinct specializations, so it’s crucial to either specify what technology you intend to use in the app or make it clear that you are open to technology propositions.

Mobile App Developer - Job Description and Ad Template

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Company Introduction

{{ Write a short and catchy paragraph about your company. Make sure to provide information about the company’s culture, perks, and benefits. Mention office hours, remote working possibilities, and everything else that you think makes your company interesting. }}

Job Description

We are looking for a strong mobile app developer who welcomes both engineering and maintenance tasks. The primary focus will be to implement new user interfaces and features together with automated unit and integration tests.

You will be working with our candid and collaborative team, where your knowledge and advice about application architecture and the newest mobile technologies will be highly appreciated. The code you write will need to be cleanly organized and of the highest quality. You’ll also help ensure solid application performance and an excellent user experience.

Responsibilities

  • Developing new features and user interfaces from wireframe models
  • Ensuring the best performance and user experience of the application
  • Fixing bugs and performance problems
  • Writing clean, readable, and testable code
  • Cooperating with back-end developers, designers, and the rest of the team to deliver well-architected and high-quality solutions
  • {{Add any other relevant responsibilities here}}

Skills

  • Extensive knowledge about mobile app development. This includes the whole process, from the first line of code to publishing in the store(s)
  • Deep knowledge of {{ List here the mobile platforms on which the app runs, e.g., Android, iOS, etc. }}
  • Proficiency with writing automated tests in {{ JUnit, Espresso, Mocha, Jest, Enzyme, XCTest, etc. depending on the libraries you use to test }}
  • Familiarity with RESTful APIs and mobile libraries for networking, specifically {{ Retrofit, axios, Alamofire, etc. }}
  • Familiarity with the JSON format
  • Experience with profiling and debugging mobile applications
  • Strong knowledge of architectural patterns—MVP, MVC, MVVM, and Clean Architecture—and the ability to choose the best solution for the app
  • Familiarity with Git
  • Familiarity with push notifications
  • Understanding mobile app design guidelines on each platform and being aware of their differences
  • Proficiency in {{ Kotlin/Java/Swift/Objective-C/JavaScript/C#, whichever language you use in the app }}
  • {{ Make sure to mention any other frameworks, libraries, or other technologies or development patterns that are relevant to your project}}
  • {{ List any specific hardware or sensors, like GPS or Bluetooth, that the app will use }}
  • {{ List any integrations that will need to be done (Facebook, Firebase, etc.) }}
  • {{ List any education level or certification you may require}}
See also:Toptal’s growing, community-driven list of essential Mobile App interview questions

How to Hire a Great Mobile App Developer

In a bipolar smartphone world where Android dominates devices and iOS dominates application revenue, it is impossible to ignore one platform and develop on another. Here is a guide to help you find those rare masters of both Android and iOS platforms.

Read Hiring Guide

Find the right Mobile App interview questions

Read a list of great community-driven Mobile App interview questions.
Read them, comment on them, or even contribute your own.

Read the Questions

Hire a Top Mobile App Developer Now

Toptal is a marketplace for top app developers. Top companies and start-ups choose Toptal app freelancers for their mission critical software projects.

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Andrei Matveev

Freelance Mobile App Developer

SingaporeToptal Member Since July 28, 2016

Andrei is an experienced full-stack web developer with almost a decade of experience working with a large variety of technologies—over half of that working remotely. He is equally comfortable collaborating with a team of developers or flying solo. He has worked with satisfied clients from the US, Australia, Kuwait, and Russia.

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Niels Vanspauwen

Freelance Mobile App Developer

BelgiumToptal Member Since November 11, 2016

Niels is a seasoned software architect and entrepreneur with over fifteen years of experience. He's a generalist with strong communication and business skills who speaks the language of customers as well as techies. He has extensive experience as a product architect in B2B hi-tech software as well as B2C web and mobile software. Niels enjoys designing and implementing simple solutions to complex problems.

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João Dias Barbosa

Freelance Mobile App Developer

PortugalToptal Member Since February 4, 2014

João is a passionate iOS and Android developer with a strong attention to detail that has yielded great apps. He has delivered many projects for millions of users, for both startups and big companies, and he's worked extensively on back-end and API integrations. He has a very positive attitude and works well both alone and on teams.

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Luís Martinho

Freelance Mobile App Developer

PortugalToptal Member Since October 30, 2011

As an entrepreneur, Luís understands the importance of proactivity and results, and has learned the meaning of responsibility and accountability. He is more of a generalist than a specialist, though he loves the detail and deep understanding that comes from intense focus and work on development projects.

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Lorand Csatlos

Freelance Mobile App Developer

RomaniaToptal Member Since May 29, 2017

With over a decade of programming experience and 6+ years as a business owner, Lorand knows the importance of great communication and understanding with a client. He's obsessed with high quality and attention to detail, and he strives to find the best solutions possible. He currently focuses on using Magento or TYPO3 in his projects.

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Chetan Surpur

Freelance Mobile App Developer

United StatesToptal Member Since August 9, 2019

Chetan is an entrepreneur with nearly a decade of professional experience in software engineering. He has founded a mobile gaming company and released two games, one of which has over 6 million downloads on iOS and Android. Chetan was previously an engineer and researcher at a cutting-edge AI company, and the first engineering hire at a social mobile startup. He can fit easily into any project, delivering products that surprise and delight.

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Hugh Ediet

Freelance Mobile App Developer

United StatesToptal Member Since December 8, 2018

In a nutshell, Hugh delivers positive outcomes. When he encounters a problem, he identifies the essential dynamics, hypothesizes a remedy, monitors, and iterates. When the issues extend, impact, or involve others, he acts quickly, focusing on communication and the roadmap. Hugh has over 25 years of experience developing applications and solving problems across a breadth of technical and business domains.

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Andrew Giangrant

Freelance Mobile App Developer

United StatesToptal Member Since June 24, 2018

Andrew is a remote senior full-stack web and Android developer, who is always ready to devise a new solution to the next problem. He enjoys designing and planning strategies ahead of a project, and the implementation that follows, ensuring your project requirements are met, giving feedback and ideas where appropriate. Given the task at hand, Andrew adjusts well to a variety of programming languages and technologies.

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Eric Peterson

Freelance Mobile App Developer

United StatesToptal Member Since December 18, 2013

Eric is a full-stack developer who specializes in creating ambitious UIs. For the past five years, he's been developing in software, with the most recent two, building full-stack apps in JavaScript and React. He relishes projects requiring complex security or creative visualizations and with tech ranging from SQL to Android to OAuth 2.0. He communicates exceptionally well and has delivered in both small agile teams and corporate enterprises.

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Joshua Ballanco

Freelance Mobile App Developer

United StatesToptal Member Since November 22, 2013

Joshua is an architect, engineer, and scientist with experience building large-scale systems dealing with everything from massive amounts of video data to heavy web traffic. He also has experience breaking monoliths into scalable microservice architectures, and going the other way 'round. He's worked for Apple and AOL, and has also led a group of 50+ consultants as their chief scientist.

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Eugeniu Rata

Freelance Mobile App Developer

United StatesToptal Member Since September 29, 2012

Eugeniu is a well-rounded full-stack software engineer with almost two decades of experience in a number of technologies varying from C/C++, C#/.NET to Node.js, React, Angular, Electron, and many more. Eugeniu can build and develop new concepts, join or lead teams, and bring the order to chaos. He loves innovating and delivering incredible products and being part of awesome teams.

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