Mobile Application Developer

About the role

Invia is looking for a full‑time Mobile Application Developer to join its Noida office. You will create, test, and maintain mobile applications that power the company’s digital solutions for telecommunications clients.

Key responsibilities

• Design, develop, test, and maintain high‑quality mobile apps for Android and iOS.
• Collaborate with product managers and UX designers to translate requirements into technical specifications.
• Implement robust, scalable features and ensure optimal performance across devices.
• Write clean, maintainable code following object‑oriented principles.
• Troubleshoot and resolve defects, and optimise applications for usability and responsiveness.
• Participate in code reviews, produce technical documentation, and stay up‑to‑date with mobile development best practices.

Required profile

• Strong background in mobile application development with a focus on Android and iOS.
• Proficiency in React‑Native (mandatory) and familiarity with Kotlin, Java, Swift, Objective‑C, JavaScript or NativeScript.
• Experience writing automated tests (JUnit, Espresso, Mocha, Jest, Enzyme, XCTest, etc.).
• Hands‑on iOS development experience using Xcode, Swift or Objective‑C.
• Understanding of mobile UI/UX best practices and ability to work with designers.
• Knowledge of RESTful APIs, networking libraries (Retrofit, axios, Alamofire) and JSON handling.
• Experience integrating Firebase or similar services.
• Proficient with Git, agile methodologies and the software development lifecycle.
• Bachelor’s degree in Computer Science, Engineering or related field, or equivalent practical experience.
• Problem‑solving mindset, attention to detail and ability to work effectively in an on‑site team.

Required skills

• React‑Native
• Kotlin
• Java
• Swift
• Objective‑C
• JavaScript
• NativeScript
• JUnit, Espresso, Mocha, Jest, Enzyme, XCTest
• iOS development (Xcode, Swift, Objective‑C)
• Android development
• UI/UX design principles
• RESTful APIs, Retrofit, axios, Alamofire, JSON
• Firebase integration
• Git
• Agile methodologies