Senior Mobile App Developer

5 days ago

Hyderabad, India WalkingTree Technologies Full time

Job Skills: AndroidApplication DevelopmentiOS

Job Type: Full Time

Job Location: Hyderabad

Exp Level: Years

Role: Senior Mobile App Developer

About the Role

We are looking for a highly skilled Senior Mobile Application Developer with deep expertise in Native Android, AndroidX (Kotlin), and iOS (Swift) development. The ideal candidate should have prior experience working on production-grade, multi-tenant applications and strong problem-solving abilities to enhance and scale a ride-pooling application that is already live in production.

This role requires hands-on technical leadership, ownership of end-to-end mobile app development, and the ability to collaborate closely with cross-functional teams to deliver high-quality, scalable, and reliable mobile experiences.

Key Responsibilities
  • Design, develop, and maintain Native Android, AndroidX (Kotlin) and iOS (Swift) applications.
  • Collaborate with backend, QA, and product teams to implement robust, scalable solutions.
  • Integrate and optimize Firebase services (Authentication, Realtime DB/Firestore, Push Notifications, Crashlytics, etc.).
  • Implement and maintain Twilio-based communication features, including VOIP calling, SMS, and notifications.
  • Work on Google Maps SDK / equivalent mapping solutions to enable location tracking, navigation, and geo-based features.
  • Integrate and maintain payment gateways (TAP, Stripe, Razorpay, PayPal, or equivalent), ensuring secure and smooth transactions.
  • Enhance and maintain multi-tenant application features to support multiple customer environments.
  • Ensure application performance, reliability, and security across platforms.
  • Troubleshoot and resolve production issues with a quick turnaround.
  • Stay updated with mobile technology trends, frameworks, and best practices.
  • FCM and APN push notifications
Must-Have Skills
  • Strong hands-on expertise in Kotlin (AndroidX) and Swift (iOS).
  • Proven experience in Firebase integration (authentication, analytics, push notifications).
  • Strong working knowledge of Twilio APIs (VOIP, SMS, notifications).
  • Experience in Google Maps SDK or equivalent mapping libraries.
  • Payment gateway integration experience (e.g., TAP, Razorpay, Stripe, PayPal).
  • Experience with multi-tenant mobile applications in production.
  • Solid understanding of VOIP calling frameworks.
  • Strong debugging and performance optimization skills.
  • Experience in deploying and maintaining apps on Google Play Store and Apple App Store.
  • Experience in creating a Generic Themes and apply multiple themes with the same code base.
  • Experience in publishing the apps to the appstore and playstore
  • Experience with Firebase Analytics / Crashlytics
  • Should have experience with Swift UI and UiKit
Good-to-Have / Domain Advantage
  • Prior experience working in ride-hailing / ride-pooling / mobility/logistics applications.
  • Knowledge of backend REST APIs, WebSockets, and real-time communication.
  • Exposure to CI/CD for mobile app deployments.
  • Understanding of application security in mobile environments.
Who Should Apply
  • You are a senior-level developer with 3–6+ years of strong native mobile development experience.
  • You have worked on the end-to-end app lifecycle from design to production.
  • You are comfortable working on a production-grade, customer-facing application.
  • You can join immediately or within 15–30 days.
What We Offer
  • Opportunity to work on a scalable ride-pooling platform with real-world impact.
  • Ownership of product development and direct influence on feature design.
  • Dynamic and collaborative work environment.
  • Competitive compensation and benefits.

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