Duplo USA Corporation

Senior Mobile Engineer

Duplo USA Corporation

full-time

Posted on:

Location Type: Hybrid

Location: Lagos • 🇳🇬 Nigeria

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Job Level

Senior

Tech Stack

AndroidFirebaseFlutteriOSJenkinsJestNoSQLReactReact NativeSQL

About the role

  • Lead end-to-end mobile app development for Android and iOS platforms in a greenfield Mobile project.
  • Architect, build, and maintain apps using React Native and Flutter frameworks.
  • Manage deployment pipelines and releases to both development/testing environments and app stores (Apple App Store & Google Play Store).
  • Collaborate deeply with product, design, product developers, and QA teams to translate product vision into technical execution.
  • Establish and automate best practices for mobile app development, automated testing, CI/CD pipelines, and monitoring.
  • Build robust internal testing strategies, including TestFlight, Firebase App Distribution, and any relevant tools for efficient QA workflows.
  • Optimize app performance, responsiveness, and reliability across a wide range of devices and operating systems.
  • Provide strong mentorship and documentation to set standards as the first mobile hire.

Requirements

  • 6+ years of professional mobile development experience targeting iOS and Android platforms.
  • Proven hands-on experience with React Native and Flutter frameworks in production applications.
  • Demonstrable success deploying apps to the App Store and Google Play, including test flight/internal distribution management.
  • Deep understanding of native mobile development tooling: Xcode, Android Studio, Fastlane (app automation).
  • Experience with automated testing frameworks (e.g., Jest, Detox, Flutter test).
  • Familiarity with version control, CI/CD tools such as GitHub Actions & Jenkins.
  • Experience with Android / IOS release management planning.
  • Background in designing app architectures, state management, and scalable feature development.
  • Solid SQL/NoSQL experience and RESTful API integration knowledge.
  • Strong problem-solving skills with a passion for quality and clean code.

Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard skills
mobile app developmentReact NativeFlutterautomated testingCI/CDSQLNoSQLRESTful API integrationapp architecture designstate management
Soft skills
mentorshipproblem-solvingcollaborationcommunicationorganizational skills