GAYATHRI CM
Bangalore
Summary
Results-driven Android Developer with 3 years of hands-on experience in designing, developing, and deploying mobile applications and SDKs. Skilled in Java, Kotlin, and Android frameworks with strong expertise in hardware integration, including fingerprint sensors, iris recognition, and POS devices. Experienced in collaborating with firmware and hardware teams to deliver stable, high-performance solutions. Proven ability to create SDKs for third-party developers, implement secure communication protocols (USB, BT), and optimize app performance. Passionate about building scalable, user-friendly applications and eager to take on challenging projects that drive business impact.
Overview
4
4
years of professional experience
Work History
Engineer- Software Development
Evolute Systems Pvt Lmt
01.2022 - Current
- Developed and maintained Android applications, focusing on biometric systems such as IRIS and FPS, integrated into POS devices.
- Collaborated with cross-functional teams to design and integrate fingerprint sensor command framing and printer functionality in POS devices, enhancing operational efficiency.
- Implemented a Signature Pad feature that allowed for electronic signature capture and seamless printing to POS devices.
- Delivered custom SDKs for third-party developers, including service APKs, ensuring seamless functionality across different Android versions.
- Created modular service APKs to streamline adding or updating functionalities without modifying core applications.
- Utilized Git for version control and collaborated in an Agile environment to ensure rapid and efficient project delivery.
Intern
Evolute Systems Pvt Lmt
02.2022 - 07.2022
- Assisted in the development of Android applications, gaining hands-on experience in mobile technology.
- Participated in team meetings to conceptualize project directions and development phases.
Education
Bachelor of Technology - Computer Science
Alliance College of Engineering And Design
Anekal, Bangalore07-2022
Skills
- Java and Kotlin
- C and C
- Android SDK and Studio
- Gradle and Retrofit
- Activity lifecycle management
- MVVM architecture implementation
- POS system integration
- Fingerprint sensor technology
- IRIS recognition systems
- Printer connectivity solutions
- Agile methodologies and Scrum
- BLE, USB, and BT technologies
- Version control
- Jetpack Compose
Projects
SDK's (Android SDK's for Biometric & POS Devices)
- Designed and developed a unified SDK supporting Fingerprint, Iris, and Printer modules for POS devices.
- Exposed SDK services to third-party developers via JAR files and service APKs, ensuring easy integration.
- Implemented secure communication protocols over USB & Bluetooth, including packet framing, splitting, stuffing, and CRC validation.
- Built an event logging system using Room DB for reliable offline persistence of user actions.
- Collaborated with firmware and hardware teams to ensure seamless device interaction and performance optimization.
Sound Box Application (Kotlin, Jetpack Compose, Spring Boot, MQTT)
- Built an Android Sound Box application using Kotlin, Jetpack Compose, MVVM Architecture, and Room DB to announce real-time payment success messages.
- Implemented Retrofit to connect the app with a Java Spring Boot servlet-based backend (also developed by me).
- Backend service connected with an MQTT broker to relay payment updates from banks and broadcast confirmations to the app.
- Ensured low-latency communication and offline persistence with Room DB for storing transaction logs.
Flutter SDK Bridge
- Built a Flutter plugin to expose Android SDK methods to cross-platform apps.
- Enabled seamless integration of biometric and printing features for Flutter-based client apps.
Languages
- English
- Kannada
- Tamil
- Hindi
Timeline
Intern
Evolute Systems Pvt Lmt
02.2022 - 07.2022
Engineer- Software Development
Evolute Systems Pvt Lmt
01.2022 - Current
Bachelor of Technology - Computer Science
Alliance College of Engineering And Design
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