Senior App Developer

Finz; Lahore; On-site; PKR 1,800,000 - 3,600,000; Full time

Job summary

Finz is seeking a Senior App Developer to build, optimize, and maintain high-quality mobile applications for Android and iOS. You will own features end-to-end, write clean code, and ensure excellent performance.

You will collaborate with designers and backend teams, integrate REST APIs and Firebase, and review code to improve processes. Experience with Kotlin/Swift and publishing to Play/App Store is essential.

Qualifications

• Experience delivering mobile apps for Android and iOS.
• Strong knowledge of Kotlin/Java for Android and Swift/Xcode for iOS.
• Hands-on with REST APIs, Firebase, Git and third-party SDKs.

Responsibilities

• Develop, maintain, and optimize mobile applications for Android and iOS.
• Design scalable, user-friendly interfaces and API integrations.
• Write clean, maintainable code and follow best practices.
• Identify and fix performance issues and bugs.
• Collaborate with designers and backend engineers to deliver features.
• Take ownership of tasks, testing, and timely delivery.

Skills

Kotlin/Java

Android Studio

Jetpack Compose/XML

Swift/Xcode

Firebase/REST APIs

Git & SDKs

App publishing

Tools

Play Store publishing

App Store publishing

REST API integration

Job description

We’re looking for an experiencedSenior App Developerto build, optimize, and maintain high-quality mobile applications. The ideal candidate should have strong technical expertise, take ownership of projects, and deliver reliable, high-performance apps.

What you’ll do

Develop, maintain, and optimize mobile applications for Android and/or iOS.

Design and implement scalable, user-friendly interfaces and integrate APIs.

Write clean, maintainable, and efficient code while following best practices.

Identify and resolve technical issues, bugs, and performance bottlenecks.

Collaborate with designers, backend developers, and other teams to deliver features.

Take ownership of development tasks, code quality, testing, and timely delivery.

Review code and contribute to improving development processes.

What we’re looking for

• Android:Strong proficiency in Kotlin/Java, Android Studio, and XML or Jetpack Compose.
• iOS:Strong proficiency in Swift, Xcode, and UIKit or SwiftUI.
• Experience working with REST APIs, Firebase, Git, and third-party SDK integrations.
• Solid understanding of mobile app architecture, performance optimization, debugging, and testing.
• Experience publishing and maintaining apps on the Google Play Store and/or Apple App Store.
• Ability to work independently, solve technical challenges, and collaborate effectively with the team.