Mobile Application Developer - Android and iOS

Tech ECS Limited; Kolkata District; On-site; INR 900,000 - 1,300,000; Full time

Job summary

Tech ECS Limited in Kolkata District seeks a skilled Mobile Application Developer proficient in native and hybrid app development for both iOS and Android platforms. The ideal candidate will have over 7 years of hands-on experience with a strong portfolio of deployed applications.

Your role will encompass developing, maintaining, and enhancing mobile applications, ensuring they perform optimally while providing a seamless user experience.

Qualifications

• 7+ years of proven experience in mobile application development.
• Strong understanding of the full mobile development lifecycle.
• Demonstrable portfolio of released apps.

Responsibilities

• Develop, maintain, and enhance mobile applications.
• Ensure high performance and intuitive UI/UX.
• Integrate applications with various systems.

Skills

Mobile application development

Java

Swift

Kotlin

Objective-C

React Native

REST and SOAP web services

SQLite

Oracle

SQL Server

Agile development

Git

Education

Bachelor’s degree in Computer Science or related field

Tools

Git

SVN

Job description

Job Summary

We are seeking a skilled Mobile Application Developer with experience in both iOS and Android platforms to join our dynamic team. The ideal candidate will have hands‑on expertise in native and hybrid mobile app development and a proven portfolio of successfully deployed apps. The role involves developing, maintaining, and enhancing mobile applications for customer and enterprise users, ensuring high performance, intuitive UI/UX, and seamless integration with various systems.

Must Have Skills (Mandatory)

• 7+ years of proven experience in mobile application development
• Strong hands‑on experience in Java, Swift, Kotlin, and Objective‑C
• Experience in building apps for both iOS and Android platforms
• Solid understanding of Android frameworks (UI paradigms, Jetpack Compose) and iOS frameworks (SwiftUI, UIKit, Core Data, Core Animation, Cocoa Touch)
• Familiar with React Native and hybrid app development frameworks
• Experience with REST and SOAP web service integration
• Proficiency in SQLite, Oracle, SQL Server
• Knowledge of payment gateway integrations
• Experience working in Agile development environments
• Familiar with version control tools like Git or SVN
• Excellent problem‑solving skills and ability to work in a collaborative environment
• Strong portfolio of apps published on Apple Store, Google Play Store, or Huawei Store

Good‑to‑have Skills (Optional)

• Experience with SAP integration and web technologies
• Exposure to 3rd party libraries and components
• Familiarity with cross‑platform mobile apps and frameworks
• OOP design principles
• Experience in implementing dynamic/static UI and custom view components
• Experience working on interdepartmental apps and CX strategies

Qualifications & Experience

• Bachelor’s degree in Computer Science or related field
• 7+ years of experience in mobile app development
• Demonstrable portfolio of released apps
• Strong understanding of the full mobile development lifecycle – from concept and design to deployment and support