An open Android Studio, a Figma mockup on a second screen, a Jira ticket to review: a mobile developer's day often starts with a screen to fix or a feature to deliver. In job offers, you will also encounter Mobile Flutter Developer, Mobile iOS/Android Developer, or Mobile Engineer.
Their job consists of transforming a business need into a usable, stable, and publishable application on Google Play or the App Store. In Libreville, Abidjan, Dakar, or Douala, they must also consider unstable networks, mobile money, and the diversity of Android phones.
What skills?
Techniques
- Kotlin, Java, Swift, Dart, or JavaScript
- Flutter, React Native, Jetpack Compose, or SwiftUI
- REST API, GraphQL, JSON, and sometimes SOAP
- Git, GitHub, GitLab, or Bitbucket
- Firebase, Crashlytics, Google Play Console, App Store Connect
- Unit tests, integration tests, and performance profiling
Organizational
- Break down a feature into realistic tasks
- Work in Agile, Scrum, or Kanban
- Document the code and technical choices
- Meet delivery deadlines
- Track versions, branches, and code reviews
Human
- Listen to user needs
- Explain a technical constraint simply
- Remain patient in the face of difficult bugs
- Collaborate with non-technical profiles
- Demonstrate autonomy and curiosity
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What is the purpose of this professional?
The mobile developer serves to make a service accessible in the user's pocket: checking a balance, ordering a product, reporting a malfunction, tracking a package, collecting field data, or paying a bill. They translate business needs into simple journeys, readable screens, and quick interactions.
They do not just code buttons. They choose an architecture, connect the application to a server, secure the data, reduce crashes, improve loading times, and prepare the versions sent to users. In a bank, a telecom company, or a startup, the quality of the mobile application directly influences customer trust.
A typical day
Example of a typical day, not an observed report.
- 9 AM participate in the team meeting, clarify tickets, and report technical blockages.
- 10 h develop a login screen with authentication, field validation, and error messages.
- 11:30 AM connect the application to a REST API, check JSON responses, and manage slow network cases.
- 2:00 PM review a Git merge request, comment on a colleague's code, and correct their own feedback.
- 3:30 PM test on an emulator and then on several real Android or iPhone devices.
- 5:00 PM analyze Firebase crash reports, document changes, and prepare a test version.
What studies?
There is no single degree to become a mobile developer. The most common paths include a BTS in IT services for organizations (SIO), a BUT in computer science, a bachelor's degree in computer science, a professional license in web and mobile development, a bachelor's degree in computer science, a master's degree in computer science, or an engineering school in software engineering.
Professional training can also lead to the profession, especially if it includes a real portfolio: published application, Flutter or React Native project, code on GitHub, tests, and documentation. The professional title Web and Mobile Developer registered in the National Directory of Professional Certifications (RNCP) mentions the development of secure web or web mobile applications. Regarding certifications, Apple offers the App Development with Swift Associate badge; the Google Associate Android Developer certification is well-known, but Google indicates that the exam is retired.
Where does he work?
The mobile developer can work in a digital services company (ESN), a digital agency, a startup, a bank, a fintech, a telecom operator, an e-commerce company, an insurance company, an administration, an NGO, or a software publisher. African job offers often show broader positions, where mobile is associated with web, backend, and databases.
- Mobile Developer H/F
- Mobile Developer Flutter
- Mobile Developer iOS
- Mobile Developer Android
- Android Developer Kotlin
- iOS Developer Swift
- Mobile Developer React Native
- Web and Mobile Developer Android/iOS
- Mobile Engineer
- Full Stack Mobile and Web Developer
What is the salary?
In France, some job offers display salaries. France Travail indicates, for a Mobile Developer H/F position in Annecy at GESER BEST, a gross annual salary of €38,000 to €45,000 over 12 months, with experience in Android, Kotlin, and Agile environment. Hellowork also lists displayed offers, for example, Mobile Developer iOS in Nice at €50,000 to €60,000 per year, Mobile Developer React Native in Strasbourg at €40,000 to €50,000 per year, or Lead Mobile Engineer in Paris at €65,000 to €80,000 per year. These are observed offers, not a guaranteed average.
For Francophone Africa, the consulted sources do not allow for establishing a reliable range by country, experience level, and type of contract. Offers in Senegal or Gabon describe the required skills but do not always publish the salary. Therefore, the French ranges do not transpose to Gabon, Senegal, Côte d'Ivoire, or Cameroon.
The realities to know
- It is necessary to test on multiple screen sizes, Android versions, iPhones, and tablets.
- Publishing on Google Play and the App Store imposes rules, certificates, and validation deadlines.
- An application heavily depends on the quality of backend APIs and servers.
- Legacy applications in Java, Objective-C, or aging frameworks require maintenance.
- Security is critical: tokens, local storage, encryption, fraud, and personal data.
- Monitoring is continuous, as Kotlin, Swift, Flutter, React Native, and store policies evolve rapidly.
And in Africa?
In Francophone Africa, the smartphone is often the first point of access to digital services. Banks, telecom operators, government agencies, fintechs, insurance companies, healthcare services, educational platforms, and NGOs need simple, lightweight, and reliable applications. A good mobile developer therefore considers limited data plans, network outages, offline synchronization, and entry-level phones.
In Libreville, Abidjan, Dakar, or Douala, mobile projects often involve mobile payments, QR codes, wallets, field data collection, or public services. The developer must understand local usage: language, customer journey, trust in payment, support, notifications, and ease of registration.
Remote work also opens doors. A developer based in Africa can collaborate with a team in Paris, Montreal, Casablanca, or Lyon. However, this requires strong written communication, professional use of Git, Jira, Slack, or Teams, and the ability to deliver without being reminded at every step.
Is this job for you?
- Do you enjoy solving specific bugs, sometimes for several hours?
- Are you ready to regularly learn new tools and frameworks?
- Do you know how to listen to a user need before proposing a technical solution?
- Can you work with designers, project managers, and backend developers?
- Are you willing to test your application on real devices, not just on your computer?
If you like to see the results of your code quickly in a concrete application, this job may suit you. However, it requires rigor: a beautiful interface is not enough if the application crashes, consumes too much battery, or fails when the network becomes unstable.
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