Android Developer

Job Description:

We are looking for a skilled React Native Developer to design, develop, and maintain high-performance cross-platform mobile applications for Android and iOS.

The ideal candidate must have strong command over React Native, TypeScript/JavaScript, and working knowledge of Kotlin (Android) and Swift (iOS) to build and integrate native modules when needed.

You will work closely with backend, design, and product teams to deliver seamless, fast, and stable mobile experiences for the ZestFindz ecosystem.

Key Responsibilities:

• Develop and maintain cross-platform mobile applications using React Native.
• Collaborate with design and product teams to deliver pixel-perfect, responsive UIs.
• Integrate REST APIs / GraphQL and handle authentication, caching, and error states efficiently.
• Implement and manage app state using Redux / Context API / Zustand.
• Optimize app performance, handle animations, memory leaks, and rendering issues.
• Build and integrate native Android (Kotlin) and iOS (Swift) modules where React Native limitations exist.
• Manage offline storage using SQLite / AsyncStorage / MMKV.
• Configure and manage Firebase services - Auth, Firestore, Push Notifications, Analytics.
• Handle deep linking, in-app navigation, and app lifecycle events.
• Deploy apps to Google Play Store and Apple App Store (with signing, provisioning, versioning).
• Work with DevOps to integrate apps into CI/CD pipelines (Fastlane / GitHub Actions / Codemagic).
• Write clean, modular, reusable code with proper documentation and testing.
• Debug, profile, and optimize performance for low-end devices and weak networks.
• Ensure security best practices - secure token storage, environment management, and data encryption.

Must-Have Skills:

• Strong experience in React Native (0.70+) and JavaScript / TypeScript.
• Solid understanding of mobile architecture patterns (MVC, MVVM, Flux).
• Knowledge of Kotlin (Android) and Swift (iOS) for native bridge creation and debugging.
• Experience with React Navigation, Redux / Context API / Zustand, and API integration (Axios / Fetch).
• Familiarity with Firebase, App Permissions, and Push Notifications (FCM/APNS).
• Good understanding of Android Studio, Xcode, Gradle, and Cocoapods.
• Ability to write clean, testable code with unit and integration tests.
• Working experience with Git / GitHub / GitLab CI/CD.
• Problem-solving mindset and ability to debug across full mobile stack.

Good-to-Have Skills (Bonus):

• Knowledge of native SDK integrations (Maps, Camera, Payments, etc.).
• Experience with React Query / GraphQL.
• Familiarity with Fastlane, Crashlytics, App Center, or Sentry.
• Understanding of UX principles and animation libraries (Lottie, Reanimated).
• Experience with OTA updates (CodePush) and App Store Optimization (ASO).

Responsibilities:

• Translate designs and wireframes into high-quality code.
• Ensure the best possible performance, quality, and responsiveness of the application.
• Identify and correct bottlenecks and fix bugs.

Requirements:

• Strong knowledge of Android SDK, different versions of Android, and how to deal with different screen sizes.
• Familiarity with RESTful APIs to connect Android applications to back-end services. 
• Strong knowledge of Android UI design principles, patterns, and best practices
• Knowledge of the open-source Android ecosystem and the libraries available for common tasks
• Understanding of Google's Android design principles and interface guidelines
• Proficient understanding of code versioning tools, such as Git
• Familiarity with continuous integration & Application Bundle Kotlin, Java
• Key requirements: Android SDK, Android UI, Core Java, Gradle, Kotlin.

• Designing and building advanced applications for the iOS platform
• Collaborating with cross-functional teams to define, design, and ship new features
• Unit-test coding for robustness, including edge cases, usability, and general reliability
• Working on bug fixing and improving application performance
• Continuously discovering, evaluating and implementing new technologies to maximize development efficiency

Desired Candidate Profile

• Bachelor's degree in Computer Science or related technical discipline
• 3-6 years iOS app development experience
• Strong hands on experience in developing high performance mobile applications
• Strong analytical and problem solving skills
• Excellent oral and written communication skills
• Good logical sense, strong technical skills and the ability to learn new technologies quickly
• Expert with Swift (swift 4.0 & above) and Cocoa Touch
• Experience with iOS frameworks such as Core Data, Core Animation, etc.
• Experience with offline storage, threading, and performance tuning
• Must have experience in BLE and BT
• Familiarity with RESTful APIs to connect iOS applications to back-end services
• Understanding of Apples design principles and interface guidelines
• Experience with performance and memory tuning with tools such as Instruments and Shark
• Familiarity with cloud message APIs and push notifications
• Familiarity with the MVC and MVVM design patterns
• Knowledge of the open-source ecosystem and the libraries available for common tasks
• Experience building, testing and distributing native apps that consume RESTful services
• Hands-on coding, systems analysis, design, and delivery of projects assigned
• At least three native iPhone applications deployed in the marketplace
• Should have Knowledge in Apple Certificate/Profile creation and maintenance
• Knowledge in SDK integration into iOS app & Realm Database is an added advantage
• Proficient understanding of code versioning tools such as GIT

Job Description:-

• Min 1 year or more of iOS App development experience.
• Proficient with Objective C and Swift
• Experience with iOS frameworks.
• Experience with offline storage, threading, and performance tuning
• Familiarity with RESTful APIs to connect iOS applications to back-end services
• Deep understanding of design patterns.
• Knowledge of using Cocoapods, Push Notifications, Payment Gateway and other third party SDKs and libraries.
• Location Tracking and Custom UI.
• Understanding of XML and JSON web services.
• Must have Publish at-least 1 iOS Application on AppStore.

Responsibilities and Duties:-

1. Design and build advanced applications for the iOS platform and follow clean coding practices.
2. Collaborate with backend team to define, design, and ship new features.
3. Understand & Implement Design patterns / Industry best practices
4. Work on bug fixing and improving application performance.
5. Write reusable codes adhering to SOLID principles.
6. Use profiling tools to optimize app performance.
7. Write algorithmic efficient codes.
8. Continuously discover, evaluate, and implement new technologies to maximize development efficiency.

Required Experience, Skills and Qualifications:-

1. Bachelor's (Required)
2. Programming Languages needed:

• Objective-C (Preferred)
• Swift (Preferred)

COVID-19 precautions:-

• Remote interview process
• Social distancing guidelines in place
• Sanitizing, disinfecting, or cleaning procedures in place, Mask is compulsory, Proper Sanitization, Safe Distance is followed at the office.

Job Type: Full-time

Salary:     ₹Negotiable

Schedule:  Day shift

• 3+ years proven work experience as a Mobile developer.
• Experience using web services (HTTP, REST, SOAP) using JSON, API and API Framework) .
• Good knowledge of object-oriented design patterns and Multi-threading concepts
• Good knowledge of the SQLite database and the Google Play Services like Push Notifications (fcm/sns)
• Strong mobile UI design (multi-screen resolutions), coding, support and maintenance
• Knowledge of HTML5, Bootstrap, JavaScript,
• Experience with third-party libraries and APIs (like Facebook, Twitter, etc.)
• Proficient iOS and Android mobile app experience are a plus
• In-depth knowledge of at least two Framework/Libraries like React Native / Ionic / Framework7 / Aurelia / PhoneGap / Flutter and angular / react / vue / Mobile Angular UI/ Kendo UI.
• Knowledge of bench marking and optimization
• Mandatory : self sufficient developer and must have prior experience of hybrid development [atleast 3 projects]

What you’ll do:

• Will have a unique and rewarding opportunity to shape and design an app with a huge impact on the Automotive industry
• Write highly scalable software in Swift ad Kotlin with a focus on reusability and efficiency
• Work with some of the best people in the industry to build and maintain compelling user experiences
• Working with iOS Frameworks such as AVFoundation/video streaming, CoreML
• Work with open-source multimedia projects, such as FFmpeg

What you’ll bring:

• 5+ years of iOS/Android development.
• Strong background in software engineering with large-scale apps
• Experience with iOS/Android SDKs
• Expert knowledge of XCode/AppCode IDE, build and distribution processes
• Experience writing multi-threaded/asynchronous code
• Creative and innovative problem-solving skills with a passion for new technologies
• Strong team player and ability to work without many directions when needed

Bonus points for:

• B.Sc./M.Sc. in Computer Science or related fields
• Knowledge of C/C++
• Background/experience in AI (e.g. deep learning, computer vision)
• Contributions to community software

Note: We are looking for immediate joiners. Selected/Offered candidates can ready to join within 15 to 30 days of time can apply.