SSE - Senior Software Engineer ( Android - Kotlin )

Job Title: Senior Android Developer / Lead Engineer (Java | Kotlin | Android)

Experience Required

• 10+ years of overall software development experience
• Strong hands-on expertise in Java, Kotlin, and Android development

Role Overview

We are seeking a highly experienced Senior Android Engineer with deep expertise in Android OS internals, system-level development, and strong hands-on coding ability. The role demands strong technical leadership, architectural thinking, and the ability to design and build scalable, high-performance Android applications with system-level integrations.

This is a hands-on technical role (not people management) with focus on architecture, design, and complex problem solving.

Key Responsibilities

1. Android Application Development

• Design, develop, and maintain advanced Android applications using Java and Kotlin
• Write clean, efficient, and maintainable code with strong adherence to OOP principles
• Participate in hands-on coding, debugging, and code reviews

2. Android Framework & System-Level Development

• Work with Android OS-level APIs including:
• Services
• Binder IPC
• AIDL
• System services
• Understand and implement system-level integrations

3. Low-Level & Hardware Interaction

• Exposure to Kernel / Hardware Abstraction Layer (HAL)
• Work on device-level integrations such as:
• Sensors
• Bluetooth
• Other hardware peripherals

4. Performance & Stability Engineering

• Identify and resolve performance issues including:
• ANR (Application Not Responding)
• Memory leaks and optimization
• Ensure application stability and efficient resource usage

5. Concurrency & Multithreading

• Build robust multi-threaded applications
• Strong understanding of:
• Concurrency models
• Synchronization mechanisms
• Thread safety and race condition handling

6. System Design & Architecture

• Design scalable, modular, and maintainable Android applications
• Define architecture patterns and enforce best practices
• Contribute to system-level design decisions

7. Technical Leadership (Hands-on)

• Provide technical direction and mentorship to engineering team members
• Guide design and implementation decisions
• Conduct architecture and code reviews
• Remain actively involved in coding and technical problem solving

Preferred / Good to Have

• Exposure to IoT domain
• Exposure to HVAC systems or related embedded domains

Must-Have Skills Summary

• 10+ years Android development experience
• Strong Java, Kotlin, Android expertise
• Deep knowledge of Android internals and system APIs
• Strong OOP and coding skills (coding assessment required)
• Experience with performance tuning and memory management
• Strong understanding of multithreading and concurrency
• System design and architecture expertise
• Hands-on technical leadership

• 5+ years of proven experience in Android application development.
• Deep understanding of the Android framework.
• A strong background implementing MVVM architecture in Android applications.
• Familiarity with third-party libraries such as RxJava, Dagger and Retrofit.
• Experience with Jetpack Compose a plus.
• Experience consuming RESTful APIs with Android applications.
• Comfortable working in a team environment following the Agile methodology.
• Understands Android UX and works closely with the design team to ensure UI designs are aligned with the current Android UI guidelines.
• Proficient in writing Kotlin code for all new development, with experience in working in Java.

Roles and Responsibilities

Key Performance Indicators:

Translate designs and wireframes into high-quality code.

1. Design, build and maintain high performance, reusable and reliable Java code.
2. Ensure the best possible performance, quality, and responsiveness of the application.
3. Help in maintaining code quality, organization, and automatization.
4. Participating with the technical team in the execution of projects
5. Preparing the project documentation on its completion.
6. Analyzing defects and fixing it.
7. Maintaining On-time delivery of the projects.

Mandatory Skills:

1. Java, Kotlin, Android Studio, OOP Design, JSON, Retrofit, Firebase
2. Strong knowledge of Android SDK & different versions of Android.
3. Application development paradigms, memory management, and multi-threading
4. Comprehensive understanding of Android application architecture, Activities, Services, Intents, Content Providers and Notifications, Fragments, Application Development life-cycle, Web Apps, and Web View.
5. Excellent communication skills and the ability to communicate with clients at all levels and understand requirements carefully.
6. Familiarity with RESTful APIs to connect Android applications to back-end services.
7. Strong knowledge of Android UI design principles, patterns, and best practices.
8. Experience with offline storage, threading, and performance tuning.
9. Understanding of Google's Android design principles and interface guidelines.
10. A knack for writing clean, readable, and easily maintainable code.
11. Proficient understanding of code versioning tools, such as Git.
12. Excellent attention to detail.
13. Good troubleshooting skills.
14. Basic knowledge of MVVM architecture

• Proven software development experience and iOS skills development
• Proven working experience in iOS app development and
• Have published at least one original iOS app
• Experience with iOS SDK
• Experience working with remote data via REST and JSON
• Experience with third-party libraries and APIs
• Working knowledge of the general mobile landscape, architectures, trends, and emerging technologies
• Experienced in SWIFT Language

• Design and build advanced applications for the iOS platform
• Collaborate with cross-functional teams to define, design, and ship new features
• Work with outside data sources and APIs
• Unit-test code for robustness, including edge cases, usability, and general reliability
• Work on bug fixing and improving application performance
• Continuously discover, evaluate, and implement new technologies to maximize development efficiency

• Strong grasp of computer science fundamentals and excellent problem-solving skills.
• Good understanding of software engineering practices, Data Structures & Algorithms.
• Solid programming skills in Java/Kotlin.
• Good communication skills.
• Strong sense of ownership and accountability.
• Experience in Reactive programming, Asynchronous programming and Unit Testing will be an added advantage.
• 3+ years of experience in product driven organization.
• A Bachelors or master’s degree in engineering from a reputed institute (preferably IITs, NITs, or other top engineering institutes)