Mobile App Developer (Kotlin and Swift)

Role:

Mobile App Security Integration & Support Engineer

Key Responsibilities:

Customer Integration and Support

• Act as the primary technical contact for customers integrating the solution into Android, iOS, and cross-platform applications, from kick-off to go-live and post-production support.
• Assess customer applications, including development stack, build system, networking libraries, HTTP client configuration, third-party libraries, obfuscation, and packaging, to define the appropriate integration approach.
• Guide developers through integration via walkthroughs, pair-integration sessions, code reviews, and validation of correct initialization and consistent application across all network paths.
• Diagnose and resolve integration issues, including build and dependency failures, crashes, connectivity issues, security-check false positives, and third-party library or HTTP client conflicts, with root-cause analysis across native and cross-platform layers.
• Support customer UAT, VAPT, and production rollouts, validating solution performance on real devices.
• Manage support tickets within agreed SLAs, update customers on progress, and escalate confirmed product defects with reproduction steps, logs, and sample code.
• Support pre-sales through integration feasibility assessments, proof-of-concept integrations, and technical questionnaire responses.

Development

• Develop and maintain reference applications, integration guides, code samples, and a troubleshooting knowledge base based on customer cases.
• Develop and maintain wrappers and plugins for Flutter, React Native, and Cordova/Ionic applications.
• Implement bug fixes and minor enhancements, ensuring compatibility with new Android/iOS releases, framework updates, and networking-library versions.
• Test releases across supported technology stacks and networking libraries, and maintain the compatibility matrix.
• Monitor OS, framework, app store policy, and network security configuration changes, proactively updating integration guidance.

Required Skills and Qualifications:

• Native Development:

  Android (Kotlin, Java, Android Studio, Gradle) and iOS (Swift, Objective-C, Xcode, CocoaPods, Swift Package Manager).

• Cross-Platform Development:

  Experience with Flutter or React Native, including native bridging and networking implementation; familiarity with Cordova, Ionic, and Capacitor

• Mobile Networking Libraries:

• Android:

  OkHttp, Retrofit, Volley, HttpURLConnection, Ktor.

• iOS:

  URLSession, Alamofire, AFNetworking.

• Flutter:

  Dio, http, native HTTP adapters.

• React Native:

  Fetch, Axios, native networking stack.

• Cordova/Ionic:

  cordova-plugin-advanced-http, Capacitor HTTP.

• WebView:

  Android WebView, WKWebView.

• Mobile Network Security:

  Practical knowledge of TLS, certificate chains, trust evaluation, Android Network Security Config, iOS App Transport Security, custom trust managers, and interceptors.

• Integration & Build Management:

  Experience resolving dependency, build, and packaging conflicts across Gradle, CocoaPods/SPM, npm/yarn, pub, ProGuard/R8, minification, and app bundles.

• Debugging & Troubleshooting:

  Proficiency in Android Studio, Xcode, logcat, Console logs, crash log symbolication, and traffic analysis tools such as Charles, mitmproxy, or Burp Suite.

• Mobile Application Security:

  Understanding of OWASP MASVS/MASTG and OWASP Mobile Top 10 to explain solution capabilities and assess customer security findings.

• Customer Communication:

  Ability to explain technical issues to technical and non-technical stakeholders, prepare clear integration guides and ticket updates, and work within enterprise change and release processes.

Preferred Qualifications:

• Experience with banking, fintech, or regulated enterprise customers and awareness of mobile security regulations and guidelines (RBI, NPCI, CERT-In).
• Experience developing cross-platform plugin wrappers for Flutter, React Native, and Cordova.
• Hands-on exposure to mobile security testing tools (Frida, Objection, jadx, Hopper/Ghidra, virtual devices) and mobile VAPT workflows.
• Experience with mobile CI/CD and test automation tools (Fastlane, GitHub Actions, Jenkins, Bitrise, Espresso, XCUITest, Appium).
• Knowledge of backend integration and cloud services, including REST APIs, AWS, and Firebase.
• Open-source contributions or a portfolio demonstrating relevant work.

Benefits:

• Health insurance
• Provident Fund